/* ===== CSS Variables ===== */
:root {
  /* Dark Theme (Default) */
  --bg-primary: #0a0e27;
  --bg-secondary: #141b3a;
  --bg-card: rgba(20, 27, 58, 0.6);
  --text-primary: #e0e7ff;
  --text-secondary: #94a3b8;
  --accent-primary: #00f0ff;
  --accent-secondary: #bd00ff;
  --accent-gradient: linear-gradient(135deg, #00f0ff 0%, #bd00ff 100%);
  --border-color: rgba(0, 240, 255, 0.2);
  --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.3);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-primary: #0ea5e9;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  --border-color: rgba(14, 165, 233, 0.3);
  --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.2);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
}

/* ===== Global Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

/* Background Effect */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(189, 0, 255, 0.1) 0%, transparent 50%);
  animation: bgMove 20s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes bgMove {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(50px, 50px); }
}

/* ===== Ad Spaces ===== */
.ad-space {
  position: fixed;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.ad-left,
.ad-right {
  width: 160px;
  top: 80px;
  bottom: 80px;
}

.ad-left {
  left: 0;
}

.ad-right {
  right: 0;
}

.ad-bottom {
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
}

.ad-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  opacity: 0.6;
}

/* Hide ads on mobile */
@media (max-width: 1200px) {
  .ad-left,
  .ad-right {
    display: none;
  }
}

@media (max-width: 768px) {
  .ad-bottom {
    height: 50px;
  }
}

/* ===== Main Container ===== */
.main-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 100px;
  z-index: 1;
}

@media (min-width: 1200px) {
  .main-container {
    margin: 0 180px 0 180px;
  }
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
  margin: 0 -20px;
  margin-bottom: 2rem;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.75rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.accent {
  color: var(--accent-primary);
}

.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--accent-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.theme-toggle:hover {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.back-btn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--accent-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background 0.3s ease, transform 0.2s ease;
}

.back-btn:hover {
  background: var(--bg-secondary);
  transform: translateX(-4px);
}

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 4rem 0;
  margin-bottom: 3rem;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.5)); }
  50% { filter: drop-shadow(0 0 40px rgba(189, 0, 255, 0.7)); }
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Category Filter ===== */
.category-filter {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.category-btn {
  padding: 0.7rem 1.8rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: capitalize;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.category-subtitle {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
  text-transform: lowercase;
}

.category-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.category-btn.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  font-weight: 700;
}

.category-btn.active:hover {
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
  transform: translateY(-3px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== Feature Cards ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.feature-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow), 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 0.05;
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.card-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.card-description {
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.card-glow {
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.feature-card:hover .card-glow {
  opacity: 0.1;
}

/* ===== Page Content ===== */
.content-section {
  padding: 2rem 0;
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== Time Format Toggle ===== */
.time-format-toggle {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.format-btn {
  padding: 0.6rem 1.8rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.format-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.format-btn.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  font-weight: 700;
}

.format-btn.active:hover {
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
  transform: translateY(-3px);
}

/* ===== Search Bar (World Clock) ===== */
.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.search-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-primary);
  font-size: 1.25rem;
}

.search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 4rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Space Grotesk', sans-serif;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.search-input::placeholder {
  color: var(--text-secondary);
}

/* ===== Clock Grid ===== */
.clock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.clock-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.clock-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.15);
}

.clock-country {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.clock-time {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
}

.clock-timezone {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.no-results {
  text-align: center;
  color: var(--text-secondary);
  padding: 3rem;
  font-size: 1.125rem;
}

/* ===== Timer Styles ===== */
.timer-container {
  max-width: 700px;
  margin: 0 auto 3rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2rem;
}

.timer-display {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  text-align: center;
  color: var(--accent-primary);
  margin-bottom: 2rem;
  text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

.milliseconds {
  font-size: 0.6em;
  opacity: 0.7;
}

.timer-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.timer-btn {
  flex: 1;
  min-width: 140px;
  padding: 1rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.timer-btn:hover:not(:disabled) {
  background: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.2);
}

.timer-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-start:hover:not(:disabled) {
  color: #10b981;
  border-color: #10b981;
}

.btn-pause:hover:not(:disabled) {
  color: #f59e0b;
  border-color: #f59e0b;
}

.btn-lap:hover:not(:disabled) {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-reset:hover:not(:disabled) {
  color: #ef4444;
  border-color: #ef4444;
}

/* ===== Lap Times ===== */
.lap-container {
  max-width: 700px;
  margin: 0 auto;
}

.lap-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.lap-list {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  max-height: 400px;
  overflow-y: auto;
}

.lap-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  transition: transform 0.2s ease;
}

.lap-item:hover {
  transform: translateX(4px);
}

.lap-item:last-child {
  margin-bottom: 0;
}

.lap-number {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--accent-primary);
}

.lap-time {
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
}

.no-laps {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
}

/* ===== Coin Flip Styles ===== */
.coin-container {
  perspective: 1000px;
  margin: 3rem auto;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.coin {
  width: 250px;
  height: 250px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
}

.coin.flipping {
  animation: flip 1s ease-in-out;
}

@keyframes flip {
  0% { transform: rotateY(0); }
  100% { transform: rotateY(1800deg); }
}

.coin-side {
  width: 100%;
  height: 100%;
  position: absolute;
  backface-visibility: hidden;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--accent-primary);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.coin-heads {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2) 0%, rgba(189, 0, 255, 0.1) 100%);
}

.coin-tails {
  background: linear-gradient(135deg, rgba(189, 0, 255, 0.2) 0%, rgba(0, 240, 255, 0.1) 100%);
  transform: rotateY(180deg);
}

.coin-default {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.coin-default i {
  font-size: 4rem;
  color: var(--accent-primary);
}

.coin-default span {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-primary);
}

.coin-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.coin-result {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin: 2rem 0;
  min-height: 2.5rem;
}

.coin-controls {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.coin-btn {
  padding: 1rem 3rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.coin-btn:hover:not(:disabled) {
  background: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.coin-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-flip:hover:not(:disabled) {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ===== Upload Section ===== */
.upload-section {
  max-width: 700px;
  margin: 4rem auto 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
}

.upload-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.upload-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.upload-group {
  flex: 1;
  min-width: 200px;
}

.upload-label {
  display: block;
  padding: 1rem;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
  font-weight: 600;
}

.upload-label:hover {
  background: var(--glass-bg);
  border-color: var(--accent-primary);
}

.upload-input {
  display: none;
}

.btn-reset-images {
  width: 100%;
  margin-top: 1rem;
}

/* ===== Tic Tac Toe Styles ===== */
.game-status {
  text-align: center;
  margin-bottom: 2rem;
}

.player-turn {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.player-x {
  color: var(--accent-primary);
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
}

.player-o {
  color: var(--accent-secondary);
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
}

.game-container {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.game-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 450px;
  width: 100%;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.game-cell {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.game-cell:hover:not(.taken) {
  background: var(--glass-bg);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.game-cell.taken {
  cursor: not-allowed;
}

.game-cell.x {
  color: var(--accent-primary);
}

.game-cell.o {
  color: var(--accent-secondary);
}

.game-cell.winner {
  animation: winnerPulse 0.6s ease-in-out infinite;
}

@keyframes winnerPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.5); }
  50% { box-shadow: 0 0 40px rgba(189, 0, 255, 0.8); }
}

.game-message {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin: 2rem 0;
  min-height: 2.5rem;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.game-controls {
  display: flex;
  justify-content: center;
}

.game-btn {
  padding: 1rem 3rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.game-btn:hover {
  background: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4rem;
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 0;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .timer-controls {
    flex-direction: column;
  }

  .timer-btn {
    width: 100%;
  }

  .coin {
    width: 200px;
    height: 200px;
  }

  .coin-default i {
    font-size: 3rem;
  }

  .game-board {
    padding: 1rem;
  }

  .game-cell {
    font-size: 2rem;
  }

  .upload-controls {
    flex-direction: column;
  }

  .upload-group {
    width: 100%;
  }
}

/* ===== Celebration Modal ===== */
.celebration-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.celebration-modal.show {
  opacity: 1;
  visibility: visible;
}

.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
}

.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  pointer-events: none;
}

@keyframes fall {
  to {
    transform: translateY(100vh) rotateZ(360deg);
    opacity: 0;
  }
}

.celebration-overlay {
  position: relative;
  z-index: 1001;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.celebration-winner-text {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  animation: bounce 0.6s ease-in-out infinite;
  text-shadow: 0 0 100px rgba(0, 240, 255, 0.8);
  letter-spacing: 4px;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-40px);
  }
}

.celebration-play-again-btn {
  padding: 1.2rem 4rem;
  border: 3px solid var(--accent-primary);
  border-radius: 20px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-primary);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 3px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.4);
}

.celebration-play-again-btn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: scale(1.1);
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.6);
}

.celebration-play-again-btn:active {
  transform: scale(0.95);
}

/* =====================================================
   SPEED TEST
   ===================================================== */

/* Gauge wrapper */
/* =====================================================
   SPEED TEST  –  speedtest.net-style
   ===================================================== */

.st-page { padding-bottom: 3rem; }

/* Card wrapper */
.st-card {
  max-width: 480px;
  margin: 0 auto 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 2.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
}

/* ── Gauge ─────────────────────────────────────────── */
.st-gauge-wrap {
  position: relative;
  width: 260px;
  height: 260px;
}

.st-gauge-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Centre readout */
.st-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  gap: 2px;
}

.st-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 28px rgba(0,240,255,0.7);
  letter-spacing: 1px;
  line-height: 1;
  min-width: 5ch;
  text-align: center;
}

.st-unit {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.st-phase {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ── Phase step dots ───────────────────────────────── */
.st-steps {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  justify-content: center;
}

.st-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 70px;
}

.st-step-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid var(--glass-border);
  transition: all 0.3s ease;
}

.st-step span {
  font-size: 0.68rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.st-step.st-active .st-step-dot {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(0,240,255,0.7);
  animation: stDotPulse 0.9s ease-in-out infinite;
}
.st-step.st-active span { color: var(--accent-primary); }

.st-step.st-done .st-step-dot {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 8px rgba(16,185,129,0.5);
}
.st-step.st-done span { color: #10b981; }

@keyframes stDotPulse {
  0%,100% { box-shadow: 0 0 8px rgba(0,240,255,0.5); }
  50%      { box-shadow: 0 0 20px rgba(0,240,255,1); }
}

.st-step-line {
  flex: 1;
  height: 2px;
  background: var(--glass-border);
  max-width: 50px;
  margin-bottom: 18px;
}

/* ── GO Button ─────────────────────────────────────── */
.st-btn-wrap { display: flex; justify-content: center; }

.st-go-btn {
  position: relative;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  background: rgba(0,240,255,0.07);
  color: var(--accent-primary);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 2px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.3s ease;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0,240,255,0.2), inset 0 0 20px rgba(0,240,255,0.05);
}

.st-go-btn::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 70%, rgba(0,240,255,0.6) 100%);
  animation: stBtnSpin 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.st-go-btn:hover::before { opacity: 1; }

@keyframes stBtnSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.st-go-btn:hover:not(:disabled) {
  background: rgba(0,240,255,0.15);
  box-shadow: 0 0 40px rgba(0,240,255,0.5), inset 0 0 30px rgba(0,240,255,0.1);
  transform: scale(1.06);
}

.st-go-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.st-go-btn span { position: relative; z-index: 1; }

/* ── Result Cards ──────────────────────────────────── */
.st-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.st-result-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.4rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.st-result-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,240,255,0.12);
}

.st-rc-icon {
  font-size: 1.6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.st-ping-icon { -webkit-text-fill-color: transparent; }
.st-dl-icon   { background: linear-gradient(135deg,#00f0ff,#0080ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.st-ul-icon   { background: linear-gradient(135deg,#bd00ff,#7c3aed); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.st-rc-body { width: 100%; }

.st-rc-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

.st-rc-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.st-rc-unit {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 1px;
  font-family: 'Space Grotesk', sans-serif;
  align-self: flex-end;
  margin-bottom: 2px;
}

.st-rc-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 4px;
  min-height: 1.1em;
}

.st-rc-bar-wrap {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}

.st-rc-bar {
  height: 100%;
  width: 0;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 500px) {
  .st-results { grid-template-columns: 1fr; max-width: 300px; }
  .st-gauge-wrap { width: 220px; height: 220px; }
  .st-value { font-size: 2.4rem; }
}

/* ── .speed-note (shared) ──────────────────────────── */
.speed-gauge-wrapper {
  display: flex;
  justify-content: center;
  margin: 0 auto 2.5rem;
}

.speed-gauge-container {
  position: relative;
  width: 280px;
  height: 175px;
}

.speed-gauge-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.25));
  transition: filter 0.4s ease;
}

/* Glow intensifies while test is running */
.speed-gauge-container.testing .speed-gauge-svg {
  filter: drop-shadow(0 0 18px rgba(0, 240, 255, 0.55));
}

.gauge-center {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  line-height: 1.1;
  padding-bottom: 4px;
  min-width: 120px;
}

.gauge-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 24px rgba(0, 240, 255, 0.7);
  letter-spacing: 1px;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.gauge-unit {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 2px;
}

.gauge-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 3px;
  text-transform: uppercase;
}


/* Metric cards row */
.speed-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  max-width: 750px;
  margin: 0 auto 2.5rem;
}

.speed-metric-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.speed-metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.12);
}

.metric-icon {
  font-size: 1.75rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-info {
  text-align: center;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.3rem;
}

.metric-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
}

.metric-unit {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.metric-dash {
  color: var(--text-secondary);
  opacity: 0.5;
}

.metric-status {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* Thin progress bar under download / upload cards */
.metric-progress {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.metric-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width 0.35s ease;
}

/* Phase indicator */
.speed-phase-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
}

.phase-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 72px;
}

.phase-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--glass-border);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.phase-step span {
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.phase-step.active .phase-dot {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
  animation: phasePulse 0.8s ease-in-out infinite;
}

.phase-step.active span {
  color: var(--accent-primary);
}

.phase-step.done .phase-dot {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.phase-step.done span {
  color: #10b981;
}

@keyframes phasePulse {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 240, 255, 0.5); }
  50%       { box-shadow: 0 0 18px rgba(0, 240, 255, 0.9); }
}

.phase-line {
  flex: 1;
  height: 2px;
  background: var(--glass-border);
  max-width: 60px;
  margin-bottom: 20px;
}

/* Main CTA button (reused by My IP page too) */
.speed-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.speed-test-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 3rem;
  border: 2px solid var(--accent-primary);
  border-radius: 50px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--accent-primary);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  overflow: hidden;
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  text-transform: uppercase;
}

.speed-test-btn:hover:not(:disabled) {
  background: rgba(0, 240, 255, 0.18);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

.speed-test-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-ripple {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.25) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.speed-test-btn:hover:not(:disabled) .btn-ripple {
  opacity: 1;
}

.speed-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.82rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.speed-note i {
  color: var(--accent-primary);
  margin-right: 4px;
}


/* =====================================================
   MY IP
   ===================================================== */

.ip-main-card {
  max-width: 680px;
  margin: 0 auto 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Loading spinner */
.ip-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-secondary);
  padding: 2rem 0;
}

.ip-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: ipSpin 0.8s linear infinite;
}

@keyframes ipSpin {
  to { transform: rotate(360deg); }
}

/* IP address large display */
.ip-address-display {
  text-align: center;
  margin-bottom: 2.5rem;
}

.ip-address-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.ip-address-value {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
  letter-spacing: 2px;
  margin-bottom: 1rem;
  word-break: break-all;
}

/* Copy button */
.ip-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.ip-copy-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.25);
}

.ip-copy-btn.copied {
  border-color: #10b981;
  color: #10b981;
}

/* Detail grid */
.ip-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.ip-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ip-detail-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.1);
}

.ip-detail-icon {
  font-size: 1.25rem;
  margin-top: 2px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.ip-detail-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.ip-detail-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
}

.ip-map-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
}

.ip-map-link:hover {
  text-decoration: underline;
}

/* Error state */
.ip-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 0;
  color: var(--text-secondary);
}

/* ── IPv4 / IPv6 version row ──────────────────────────────── */
.ip-version-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0 0 2rem;
}

.ip-version-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.1rem 1rem 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
  overflow: hidden;
}

.ip-version-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(0, 240, 255, 0.12);
}

.ip-version-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 10px;
  border-radius: 50px;
  text-transform: uppercase;
}

.ipv4-badge {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.ipv6-badge {
  background: rgba(139, 92, 246, 0.12);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.ip-version-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(0.78rem, 1.8vw, 0.97rem);
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
  line-height: 1.4;
}

.ip-version-na {
  color: var(--text-secondary) !important;
  font-weight: 400 !important;
  font-style: italic;
}

.ip-version-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.ip-version-copy-btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.ip-version-copy-btn.copied {
  border-color: #10b981;
  color: #10b981;
}

.ip-version-copy-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (max-width: 420px) {
  .ip-version-row {
    grid-template-columns: 1fr;
  }
}



/* =====================================================
   AGE CALCULATOR
   ===================================================== */

/* Input card */
.age-input-card {
  max-width: 480px;
  margin: 0 auto 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.age-dob-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.age-dob-label i {
  color: var(--accent-primary);
}

/* ── Custom themed date-picker dropdowns ── */
.age-date-picker-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  width: 100%;
}

.age-date-picker-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.age-date-picker-year {
  flex: 1.5;
}

.age-date-picker-sublabel {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding-left: 0.25rem;
}

.age-date-picker-sep {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-primary);
  padding-bottom: 0.55rem;
  line-height: 1;
  flex-shrink: 0;
}

/* Wrapper provides the styled box + arrow icon */
.age-select-wrap {
  position: relative;
  width: 100%;
}

.age-date-select {
  width: 100%;
  padding: 0.85rem 2.5rem 0.85rem 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

/* Option background must match theme — set on the element */
.age-date-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.age-date-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
}

[data-theme="light"] .age-date-select:focus {
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.2);
}

/* Custom dropdown arrow icon */
.age-select-arrow {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 0.75rem;
  color: var(--accent-primary);
  transition: color 0.3s ease;
}

/* Responsive: stack on very small screens */
@media (max-width: 400px) {
  .age-date-picker-wrap {
    flex-wrap: wrap;
  }
  .age-date-picker-sep {
    display: none;
  }
  .age-date-picker-group,
  .age-date-picker-year {
    flex: 1 1 45%;
  }
}

/* Result panel */
.age-result-panel {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Generation badge */
.age-generation-badge {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  justify-content: center;
  text-align: center;
}

.gen-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.gen-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.gen-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gen-range {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Primary Y / M / D display */
.age-primary-display {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem 2rem;
}

.age-primary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.age-primary-value {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.age-primary-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.age-primary-separator {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-secondary);
  opacity: 0.4;
  padding-bottom: 1.4rem;
}

/* Stats grid */
.age-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.age-stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.age-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.12);
}

.age-stat-icon {
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.age-stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-primary);
  word-break: break-all;
}

.age-stat-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Birthday countdown ribbon */
.age-birthday-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(189, 0, 255, 0.08));
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.age-birthday-countdown i {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

/* =====================================================
   RESPONSIVE – New Tools
   ===================================================== */
@media (max-width: 600px) {
  .speed-metrics {
    grid-template-columns: 1fr;
  }

  .age-primary-display {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .age-primary-separator {
    display: none;
  }

  .ip-main-card {
    padding: 1.75rem 1.25rem;
  }

  .ip-details-grid {
    grid-template-columns: 1fr;
  }

  .speed-gauge-container {
    width: 220px;
    height: 130px;
  }

  .gauge-value {
    font-size: 2rem;
  }
}

/* =====================================================
   CURRENCY CONVERTER
   ===================================================== */

/* ── Converter card (input area) ── */
.cc-converter-card {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Input row ── */
.cc-input-row {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.cc-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cc-field-amount {
  flex: 1;
  min-width: 140px;
}

.cc-field-base {
  flex: 1.4;
  min-width: 180px;
}

.cc-field-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cc-field-label i {
  color: var(--accent-primary);
  font-size: 0.8rem;
}

/* Amount input */
.cc-amount-input {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  -moz-appearance: textfield;
}

.cc-amount-input::-webkit-outer-spin-button,
.cc-amount-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.cc-amount-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.18);
}

[data-theme="light"] .cc-amount-input:focus {
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.18);
}

/* Swap button */
.cc-swap-btn {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  align-self: flex-end;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--accent-primary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, transform 0.35s ease, box-shadow 0.3s ease;
}

.cc-swap-btn:hover {
  background: var(--bg-secondary);
  transform: rotate(180deg);
  box-shadow: var(--shadow-glow);
}

/* Currency select wrapper */
.cc-select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.cc-select-flag {
  position: absolute;
  left: 0.85rem;
  font-size: 1.35rem;
  pointer-events: none;
  z-index: 1;
  line-height: 1;
}

.cc-currency-select {
  width: 100%;
  padding: 0.9rem 2.5rem 0.9rem 3.2rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cc-currency-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.cc-currency-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.18);
}

[data-theme="light"] .cc-currency-select:focus {
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.18);
}

.cc-select-arrow {
  position: absolute;
  right: 0.9rem;
  font-size: 0.75rem;
  color: var(--accent-primary);
  pointer-events: none;
}

/* Convert button modifier */
.cc-convert-btn {
  align-self: stretch;
}

/* Meta row */
.cc-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.cc-last-updated,
.cc-source {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cc-last-updated i,
.cc-source i {
  color: var(--accent-primary);
  font-size: 0.8rem;
}

/* LIVE / OFFLINE status badges */
.cc-live-badge,
.cc-offline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  vertical-align: middle;
}

.cc-live-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.cc-live-badge i {
  font-size: 0.5rem;
  color: #10b981 !important;
  animation: ccPulse 1.5s ease-in-out infinite;
}

.cc-offline-badge {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.cc-offline-badge i {
  font-size: 0.5rem;
  color: #f59e0b !important;
}

@keyframes ccPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}


/* Loading state */
.cc-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

.cc-loading i {
  color: var(--accent-primary);
  font-size: 1.25rem;
}

/* Error banner */
.cc-error {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 100, 100, 0.08);
  border: 1px solid rgba(255, 100, 100, 0.3);
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  color: #ff9999;
  font-size: 0.85rem;
}

.cc-error i {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Results Panel ── */
.cc-results-panel {
  max-width: 760px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.cc-results-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Summary strip (top currencies) ── */
.cc-summary-strip {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cc-summary-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 110px;
  flex: 1;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cc-summary-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.cc-sum-flag {
  font-size: 2rem;
  line-height: 1.2;
}

.cc-sum-code {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0.3rem 0 0.2rem;
}

.cc-sum-val {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Results header ── */
.cc-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cc-results-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cc-results-title i {
  color: var(--accent-primary);
}

/* Copy-all button */
.cc-copy-all-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.cc-copy-all-btn:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.cc-copy-all-btn.cc-copy-success {
  color: #4ade80;
  border-color: #4ade80;
}

/* ── Results grid ── */
.cc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

/* Each result card */
.cc-result-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.cc-result-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-primary);
}

/* Left: flag + name */
.cc-rc-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cc-rc-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.cc-rc-info {
  display: flex;
  flex-direction: column;
}

.cc-rc-code {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.cc-rc-name {
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Right: value + rate */
.cc-rc-right {
  margin-left: auto;
  text-align: right;
  padding-right: 2.8rem;
}

.cc-rc-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.cc-rc-symbol {
  font-size: 0.85rem;
}

.cc-rc-rate {
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  white-space: nowrap;
}

/* Copy button inside card */
.cc-copy-btn {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.cc-copy-btn:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.cc-copy-btn.cc-copy-success {
  color: #4ade80;
  border-color: #4ade80;
}

/* =====================================================
   SHARED TOOL COMPONENTS
   ===================================================== */

.tool-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
}

.tool-card-heading {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tool-card-heading i {
  color: var(--accent-primary);
}

/* Shared range slider */
.sip-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.sip-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.sip-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.sip-range::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-primary); border: none; cursor: pointer;
}

.sip-range-bounds {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

/* Shared input */
.pc-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.pc-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.18);
}

[data-theme="light"] .pc-input:focus { box-shadow: 0 0 16px rgba(14,165,233,0.18); }

/* Shared label */
.sip-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  display: block;
  margin-bottom: 0.5rem;
}

/* =====================================================
   PERCENTAGE CALCULATOR
   ===================================================== */

.pc-tabs {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.pc-tab {
  padding: 0.65rem 1.6rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.pc-tab:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

.pc-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 700;
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
}

.pc-panel { display: none; max-width: 760px; margin: 0 auto 2rem; }
.pc-panel.active { display: block; }

.pc-input-row {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.pc-field { display: flex; flex-direction: column; gap: 0.4rem; flex: 1; min-width: 100px; }
.pc-label { font-size: 0.72rem; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }

.pc-op-sym {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding-bottom: 0.8rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.pc-result-inline {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-secondary);
  padding-bottom: 0.4rem;
  min-width: 80px;
  transition: color 0.3s ease;
}

.pc-result-inline.pc-result-ready {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pc-result-inline.pc-positive { color: #22c55e !important; -webkit-text-fill-color: #22c55e; }
.pc-result-inline.pc-negative { color: #ef4444 !important; -webkit-text-fill-color: #ef4444; }

.pc-formula-hint {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-style: italic;
}

.pc-tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  max-width: 760px;
  margin: 0 auto;
}

.pc-tip-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pc-tip-icon { font-size: 1.3rem; color: var(--accent-primary); }
.pc-tip-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.pc-tip-body  { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }

/* =====================================================
   SIP CALCULATOR
   ===================================================== */

.sip-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) { .sip-layout { grid-template-columns: 1fr; } }

.sip-input-card { display: flex; flex-direction: column; gap: 1.5rem; }

.sip-field { display: flex; flex-direction: column; gap: 0.5rem; }

.sip-field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sip-field-val {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.sip-result-panel { display: flex; flex-direction: column; gap: 1.25rem; }

.sip-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 480px) { .sip-stats-row { grid-template-columns: 1fr; } }

.sip-stat {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1.25rem 1rem;
  text-align: center;
}

.sip-stat-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.sip-stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-primary);
  word-break: break-all;
}

.accent-stat .sip-stat-value {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight-stat {
  border-color: var(--accent-primary);
  background: rgba(0, 240, 255, 0.05);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.1);
}

.highlight-stat .sip-stat-value { color: var(--accent-primary); }

.sip-donut-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.sip-donut-card canvas { max-width: 220px; }

.sip-donut-legend {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.sip-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.sip-legend-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.sip-dot-invest { background: var(--accent-primary); }
.sip-dot-return { background: var(--accent-secondary); }

.sip-chart-card { padding: 1.5rem; }
.sip-chart-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sip-chart-title i { color: var(--accent-primary); }
.sip-chart-wrap { position: relative; height: 220px; }

/* =====================================================
   PASSWORD GENERATOR
   ===================================================== */

.pg-wrapper {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 680px) { .pg-wrapper { grid-template-columns: 1fr; } }

.pg-card { display: flex; flex-direction: column; gap: 1.25rem; }

.pg-output-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  padding: 0.75rem 1rem;
}

.pg-password-display {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-primary);
  flex: 1;
  word-break: break-all;
  letter-spacing: 2px;
}

.pg-copy-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.pg-copy-btn:hover { color: var(--accent-primary); border-color: var(--accent-primary); background: var(--bg-secondary); }
.pg-copy-btn.cc-copy-success { color: #4ade80; border-color: #4ade80; }

.pg-strength-bar-wrap {
  height: 6px;
  background: var(--glass-border);
  border-radius: 3px;
  overflow: hidden;
}

.pg-strength-bar {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 0.4s ease, background 0.4s ease;
}

.pg-strength-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: right;
  transition: color 0.3s ease;
}

.pg-length-row { display: flex; flex-direction: column; gap: 0.5rem; }
.pg-label { font-size: 0.8rem; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }

.pg-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.pg-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.pg-checkbox:hover { border-color: var(--accent-primary); background: var(--glass-bg); }
.pg-checkbox input { accent-color: var(--accent-primary); width: 16px; height: 16px; cursor: pointer; }
.pg-checkbox span { font-weight: 600; }

.pg-generate-btn { width: 100%; justify-content: center; }

.pg-tips-card { display: flex; flex-direction: column; }
.pg-tips-list { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }
.pg-tips-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: 1.5rem;
  position: relative;
}
.pg-tips-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 700;
}
.pg-tips-list strong { color: var(--text-primary); }

/* =====================================================
   QR CODE GENERATOR
   ===================================================== */

.qr-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}

@media (max-width: 680px) { .qr-layout { grid-template-columns: 1fr; } }

.qr-input-card { display: flex; flex-direction: column; gap: 1.25rem; }

.qr-textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
  transition: border-color 0.3s ease;
  min-height: 100px;
}
.qr-textarea:focus { border-color: var(--accent-primary); box-shadow: 0 0 16px rgba(0,240,255,0.15); }
.qr-textarea::placeholder { color: var(--text-secondary); }

.qr-char-count { font-size: 0.72rem; color: var(--text-secondary); text-align: right; }

.qr-size-row { display: flex; flex-direction: column; gap: 0.5rem; }

.qr-color-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.qr-color-field { display: flex; align-items: center; gap: 0.6rem; }
.qr-color-input {
  width: 40px; height: 34px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  background: none;
  padding: 2px;
}

.qr-generate-btn { width: 100%; justify-content: center; }

.qr-preview-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.qr-preview-area {
  width: 100%;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: 18px;
  padding: 1rem;
  transition: border-color 0.3s ease;
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.qr-placeholder-icon { font-size: 4rem; opacity: 0.25; }
.qr-placeholder p { font-size: 0.85rem; }

.qr-output-img {
  border-radius: 12px;
  display: block;
  margin: 0 auto;
}

.qr-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.qr-copy-img-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}
.qr-copy-img-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

/* =====================================================
   EMI CALCULATOR
   ===================================================== */

.emi-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto 1.5rem;
}

@media (max-width: 768px) { .emi-layout { grid-template-columns: 1fr; } }

.emi-input-card { display: flex; flex-direction: column; gap: 1.5rem; }
.emi-result-panel { display: flex; flex-direction: column; gap: 1.25rem; }
.emi-stats-row { grid-template-columns: repeat(3,1fr); }

.emi-table-card {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.emi-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.emi-table-scroll { overflow-x: auto; }

.emi-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.emi-table th {
  padding: 0.75rem 1rem;
  text-align: right;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}
.emi-table th:first-child { text-align: left; }

.emi-table td {
  padding: 0.65rem 1rem;
  text-align: right;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 0.82rem;
}
.emi-table td:first-child { text-align: left; font-weight: 700; color: var(--accent-primary); }
.emi-table tr:hover td { background: var(--glass-bg); }

/* =====================================================
   GST CALCULATOR
   ===================================================== */

.gst-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}

@media (max-width: 680px) { .gst-layout { grid-template-columns: 1fr; } }

.gst-input-card { display: flex; flex-direction: column; gap: 1.25rem; }

.gst-mode-row {
  display: flex;
  gap: 0.75rem;
}

.gst-mode-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 14px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}
.gst-mode-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.gst-mode-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 700;
}

.gst-field { display: flex; flex-direction: column; gap: 0.5rem; }

.gst-slab-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0.5rem;
}

.gst-slab-btn {
  padding: 0.6rem 0.5rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}
.gst-slab-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.gst-slab-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: 0 0 12px rgba(0,240,255,0.3);
}

.gst-custom-input { margin-top: 0.5rem; }
.gst-calc-btn { width: 100%; justify-content: center; }

.gst-result-card { display: flex; flex-direction: column; gap: 1.25rem; }

.gst-result-grid { display: flex; flex-direction: column; gap: 0.5rem; }

.gst-result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
}

.gst-highlight-row { border-color: var(--accent-primary); background: rgba(0,240,255,0.05); }

.gst-result-label { font-size: 0.88rem; color: var(--text-secondary); font-weight: 600; }

.gst-result-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  color: var(--text-primary);
}
.gst-result-value.accent { color: var(--accent-primary); }
.gst-result-value.gst-total {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gst-breakdown {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gst-breakdown-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.gst-mt { margin-top: 0.5rem; }

.gst-breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* =====================================================
   DATE DIFFERENCE CALCULATOR
   ===================================================== */

.dd-wrapper {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 680px) { .dd-wrapper { grid-template-columns: 1fr; } }

.dd-input-card { display: flex; flex-direction: column; gap: 1.25rem; }

.dd-date-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.dd-date-group { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; min-width: 80px; }
.dd-year-group { flex: 1.5; }

.dd-arrow-sep {
  text-align: center;
  font-size: 1.25rem;
  color: var(--accent-primary);
  padding: 0.25rem 0;
}

.dd-weekend-toggle { width: 100%; }
.dd-calc-btn { width: 100%; justify-content: center; }

.dd-result-card { display: flex; flex-direction: column; gap: 1.25rem; }

.dd-result-summary {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-primary);
  padding: 0.75rem 1rem;
  background: rgba(0,240,255,0.06);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.dd-stats-grid { grid-template-columns: repeat(auto-fit, minmax(130px,1fr)); }

/* =====================================================
   RESPONSIVE FIXES – ALL NEW TOOLS
   ===================================================== */

@media (max-width: 600px) {
  .tool-card { padding: 1.5rem 1.1rem; }
  .pc-input-row { flex-direction: column; align-items: stretch; }
  .pc-op-sym { text-align: center; padding-bottom: 0; }
  .pc-result-inline { text-align: center; font-size: 1.3rem; }
  .pg-options { grid-template-columns: 1fr; }
  .gst-slab-grid { grid-template-columns: repeat(3,1fr); }
  .emi-stats-row { grid-template-columns: 1fr; }
}

/* =====================================================
   STONE PAPER SCISSORS GAME
   ===================================================== */

.sps-scoreboard {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.sps-score-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem 2.5rem;
  text-align: center;
  min-width: 140px;
}

.sps-score-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.sps-score-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.sps-score-divider {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-secondary);
  opacity: 0.5;
}

.sps-game-area {
  max-width: 700px;
  margin: 0 auto 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem 2rem;
}

.sps-choice-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.sps-player-choice,
.sps-computer-choice {
  text-align: center;
}

.sps-choice-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
}

.sps-choice-icon {
  font-size: 5rem;
  line-height: 1;
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sps-vs-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-secondary);
  opacity: 0.5;
  margin-top: 2rem;
}

.sps-result-message {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  margin: 2rem 0;
  min-height: 2.5rem;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.sps-result-win {
  color: #10b981;
  animation: pulse 0.5s ease;
}

.sps-result-lose {
  color: #ef4444;
  animation: pulse 0.5s ease;
}

.sps-result-draw {
  color: var(--accent-primary);
  animation: pulse 0.5s ease;
}

.sps-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.sps-btn {
  flex: 1;
  min-width: 140px;
  padding: 1.5rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
}

.sps-btn:hover {
  background: var(--glass-bg);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.2);
}

.sps-btn:active {
  transform: translateY(-2px) scale(0.98);
}

.sps-btn-icon {
  font-size: 3rem;
  line-height: 1;
}

.sps-btn-text {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sps-controls {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@media (max-width: 768px) {
  .sps-scoreboard {
    gap: 1rem;
  }
  
  .sps-score-card {
    padding: 1rem 1.5rem;
    min-width: 100px;
  }
  
  .sps-score-value {
    font-size: 2rem;
  }
  
  .sps-choice-display {
    flex-direction: column;
    gap: 1rem;
  }
  
  .sps-vs-text {
    margin-top: 0;
    transform: rotate(90deg);
  }
  
  .sps-choice-icon {
    font-size: 4rem;
    min-height: 4rem;
  }
  
  .sps-buttons {
    flex-direction: column;
  }
  
  .sps-btn {
    width: 100%;
  }
}

/* =====================================================
   REACTION SPEED TEST GAME
   ===================================================== */

.rst-game-area {
  max-width: 700px;
  margin: 0 auto 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.rst-game-area.rst-waiting {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}

.rst-game-area.rst-ready {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  animation: pulse 0.5s ease infinite;
}

.rst-content {
  text-align: center;
  padding: 2rem;
}

.rst-instruction {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.rst-icon {
  font-size: 4rem;
  color: var(--accent-primary);
}

.rst-instruction h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
}

.rst-instruction p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

.rst-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.rst-result-icon {
  font-size: 3rem;
  color: var(--accent-primary);
}

.rst-result-time {
  font-family: 'Orbitron', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.rst-result-label {
  font-size: 1rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.rst-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.rst-scoreboard {
  max-width: 500px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
}

.rst-score-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.rst-score-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rst-score-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}

.rst-score-rank {
  font-weight: 700;
  color: var(--accent-primary);
}

.rst-score-value {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
}

/* =====================================================
   DICE ROLLER GAME
   ===================================================== */

.dice-container {
  max-width: 500px;
  margin: 0 auto 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
}

.dice-display {
  margin-bottom: 2rem;
}

.dice-face {
  font-size: 8rem;
  line-height: 1;
  color: var(--accent-primary);
  text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

.dice-rolling {
  animation: spin 0.1s linear;
}

.dice-final {
  animation: bounceIn 0.5s ease;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.dice-result {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-secondary);
  min-height: 2rem;
}

.dice-result-show {
  color: var(--accent-primary);
  animation: fadeIn 0.5s ease;
}

.dice-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn-roll:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dice-history {
  max-width: 600px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
}

.dice-history-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.dice-history-list {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.dice-history-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  min-width: 60px;
}

.dice-history-icon {
  font-size: 2rem;
  line-height: 1;
}

.dice-history-num {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 0.9rem;
}

/* =====================================================
   MEMORY CARD MATCH GAME
   ===================================================== */

.mcm-stats {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.mcm-stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1rem 2rem;
  text-align: center;
  min-width: 120px;
}

.mcm-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.mcm-stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-primary);
}

.mcm-board {
  max-width: 600px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.mcm-card {
  aspect-ratio: 1;
  cursor: pointer;
  perspective: 1000px;
}

.mcm-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.mcm-card.flipped .mcm-card-inner {
  transform: rotateY(180deg);
}

.mcm-card-front,
.mcm-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  font-size: 3rem;
  font-weight: 900;
}

.mcm-card-front {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.mcm-card-back {
  background: var(--glass-bg);
  transform: rotateY(180deg);
}

.mcm-card.matched .mcm-card-inner {
  transform: rotateY(180deg);
}

.mcm-card.matched .mcm-card-back {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  animation: matchPulse 0.5s ease;
}

@keyframes matchPulse {
  0%, 100% { transform: rotateY(180deg) scale(1); }
  50% { transform: rotateY(180deg) scale(1.1); }
}

.mcm-controls {
  display: flex;
  justify-content: center;
}

.mcm-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.mcm-modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 400px;
  animation: slideUp 0.5s ease;
}

.mcm-modal-content h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.mcm-modal-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.mcm-modal-stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 2rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.mcm-modal-stats strong {
  color: var(--accent-primary);
}

@media (max-width: 600px) {
  .mcm-board {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    padding: 1rem;
  }
  
  .mcm-card-front,
  .mcm-card-back {
    font-size: 2rem;
  }
  
  .dice-face {
    font-size: 6rem;
  }
}

/* =====================================================
   SEO CONTENT SECTION
   ===================================================== */

.seo-content {
  max-width: 900px;
  margin: 4rem auto 0;
  padding: 3rem 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.seo-content h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.seo-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
  margin-top: 0.5rem;
  line-height: 1.3;
}

.seo-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.seo-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .seo-content {
    padding: 2rem 1.5rem;
    margin-top: 3rem;
  }
}