@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;800&display=swap');

:root {
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.85);
  --primary: #8b5cf6;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --success: #22c55e;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --glow-primary: rgba(139, 92, 246, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: -webkit-fill-available;
  min-height: 100vh;
}

.game-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Background Effects */
.bg-gradient {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse at 0% 0%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    var(--bg-dark);
  z-index: 0;
}

.floating-letters {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-letters span {
  position: absolute;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  animation: floatUp 15s ease-in-out infinite;
  animation-delay: var(--delay);
  left: var(--x);
  bottom: -100px;
}

@keyframes floatUp {
  0% { transform: translateY(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-110vh) rotate(360deg); opacity: 0; }
}

/* Container */
.fw-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  background: var(--bg-card);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Header */
.fw-header {
  text-align: center;
  margin-bottom: 20px;
}

.fw-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.logo-icon {
  font-size: 2.5rem;
}

.fw-logo h1 {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Stats */
.fw-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.stat-icon {
  font-size: 1.5rem;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.timer-card .stat-value {
  color: var(--secondary);
}

/* Quote */
.fw-quote {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  margin-bottom: 16px;
  position: relative;
}

.quote-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

blockquote {
  font-size: 1rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 8px;
}

cite {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Target Word */
.fw-target {
  text-align: center;
  margin-bottom: 20px;
}

.target-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.target-word {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: 12px;
  box-shadow: 0 10px 30px var(--glow-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 10px 30px var(--glow-primary); }
  50% { box-shadow: 0 10px 50px rgba(139, 92, 246, 0.6); }
}

/* Grid */
.fw-grid-wrapper {
  margin-bottom: 20px;
}

.fw-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  touch-action: manipulation;
}

.fw-cell {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.7rem, 2.5vw, 1rem);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  -webkit-tap-highlight-color: transparent;
}

.fw-cell:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.fw-cell:active {
  transform: scale(0.95);
}

.fw-cell.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.fw-cell.found {
  background: linear-gradient(135deg, var(--success), #16a34a);
  border-color: var(--success);
  color: white;
  animation: foundPop 0.4s ease;
}

@keyframes foundPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.fw-cell.hint {
  background: rgba(245, 158, 11, 0.3);
  border-color: var(--accent);
}

/* Controls */
.fw-controls {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.fw-btn {
  padding: 14px 20px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.fw-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.fw-btn:active {
  transform: scale(0.98);
}

.fw-primary {
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border: none;
}

.fw-primary:hover {
  box-shadow: 0 10px 30px var(--glow-primary);
  transform: translateY(-2px);
}

.fw-secondary {
  background: linear-gradient(135deg, var(--accent), #f97316);
  border: none;
  color: #1a1a2e;
}

/* Message */
.fw-message {
  text-align: center;
  min-height: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.fw-message.success {
  color: var(--success);
  font-weight: 600;
}

.fw-message.error {
  color: #ef4444;
}

/* Mobile */
@media (max-width: 600px) {
  .game-wrapper { padding: 12px; }
  .fw-container { padding: 16px; border-radius: 20px; }
  .fw-logo h1 { font-size: 1.3rem; }
  .logo-icon { font-size: 2rem; }
  .stat-card { padding: 10px 8px; gap: 6px; }
  .stat-icon { font-size: 1.2rem; }
  .stat-value { font-size: 1.2rem; }
  .fw-quote { padding: 14px; }
  blockquote { font-size: 0.9rem; }
  .target-word { font-size: 1.5rem; padding: 10px 20px; }
  .fw-grid { gap: 3px; }
  .fw-controls { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
  .fw-stats { gap: 8px; }
  .stat-value { font-size: 1.1rem; }
  .stat-label { font-size: 0.6rem; }
  .fw-grid { grid-template-columns: repeat(8, 1fr); }
  .target-word { font-size: 1.3rem; letter-spacing: 0.15em; }
}

/* Landscape */
@media (max-height: 600px) and (orientation: landscape) {
  .game-wrapper { align-items: flex-start; padding: 10px; }
  .fw-container { max-width: 800px; padding: 12px; }
  .fw-header { margin-bottom: 10px; }
  .fw-logo { gap: 8px; }
  .logo-icon { font-size: 1.5rem; }
  .fw-logo h1 { font-size: 1.2rem; }
  .tagline { display: none; }
  .fw-stats { margin-bottom: 10px; }
  .stat-card { padding: 8px; }
  .fw-quote { padding: 10px; margin-bottom: 10px; }
  .quote-icon { display: none; }
  blockquote { font-size: 0.85rem; }
  .fw-target { margin-bottom: 10px; }
  .target-word { font-size: 1.2rem; padding: 8px 16px; }
  .fw-grid-wrapper { margin-bottom: 10px; }
}