/*
 * BOÐBJÁNAR - Elegant Auction House Design System
 * A sophisticated, timeless design inspired by high-end auction houses
 */

/* ============================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================= */

:root {
  /* Primary Color Palette */
  --auction-black: #1a1a1a;
  --auction-charcoal: #2d2d2d;
  --auction-cream: #f5f1e8;
  --auction-ivory: #fdfbf7;
  --auction-gold: #d4af37;
  --auction-gold-light: #e8c968;
  --auction-gold-dark: #b8962e;
  --auction-burgundy: #6d1f1f;
  --auction-deep-green: #1e3a2e;

  /* Accent Colors */
  --success-green: #2d5f3f;
  --alert-red: #8b2635;
  --info-blue: #2c4f6f;

  /* Neutral Shades */
  --warm-white: #fdfbf7;
  --warm-gray: #8a8a8a;
  --border-gold: rgba(212, 175, 55, 0.2);
  --border-gold-solid: rgba(212, 175, 55, 0.4);

  /* Shadow System */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
  --shadow-artwork: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(212, 175, 55, 0.1);
  --shadow-gold-glow: 0 0 20px rgba(212, 175, 55, 0.3);

  /* Spacing Scale (8px base) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 40px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Typography Scale */
  --font-display: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Bodoni Moda', 'Libre Baskerville', serif;

  /* Border Radius */
  --radius-minimal: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-entrance: 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* ============================================================================
   GLOBAL RESET & BASE STYLES
   ========================================================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================================================
   TYPOGRAPHY SYSTEM
   ========================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
}

.display {
  font-family: var(--font-accent);
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: 0.2em;
  font-weight: 400;
}

.headline {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
}

.subheadline {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-sm);
}

.body-large {
  font-size: 1.125rem;
  line-height: 1.6;
}

.small-caps {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.serif-accent {
  font-family: var(--font-accent);
}

/* Price and number styling */
.price, .number-display {
  font-family: var(--font-accent);
  font-variant-numeric: tabular-nums;
  color: var(--auction-gold);
  font-weight: 600;
}

/* ============================================================================
   HOST DISPLAY STYLES
   ========================================================================= */

.host-body {
  margin: 0;
  padding: 0;
  background-color: var(--auction-charcoal);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.01) 2px,
      rgba(255, 255, 255, 0.01) 4px
    );
  color: var(--warm-white);
  min-height: 100vh;
}

.host-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-2xl);
}

/* Header / Logo */
.host-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.host-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.15em;
  color: var(--auction-gold);
  text-shadow: 0 2px 12px rgba(212, 175, 55, 0.4);
  margin: 0;
  font-weight: 400;
  position: relative;
  display: inline-block;
}

.host-header h1::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--auction-gold), transparent);
}

/* Room Code Display */
.room-code-display {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-2xl) var(--space-xl);
  border-radius: var(--radius-minimal);
  text-align: center;
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.room-code-display h2 {
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--warm-gray);
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.room-code {
  font-family: var(--font-accent);
  font-size: clamp(3rem, 10vw, 5rem);
  letter-spacing: 0.3em;
  color: var(--auction-gold);
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
  font-weight: 400;
  margin: var(--space-sm) 0;
}

.join-url {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--warm-gray);
  margin-top: var(--space-md);
  letter-spacing: 0.05em;
}

.join-url strong {
  color: var(--warm-white);
  font-weight: 500;
}

/* Game State Banner */
.game-state {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  text-align: center;
  margin-bottom: var(--space-2xl);
  backdrop-filter: blur(20px);
}

.game-state h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--auction-gold);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.game-state p {
  font-size: 1.125rem;
  color: var(--warm-gray);
  letter-spacing: 0.03em;
}

/* Players Section */
.players-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-2xl);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.players-section h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  color: var(--warm-white);
  text-align: center;
  letter-spacing: 0.05em;
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.player-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
}

.player-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: var(--radius-minimal);
  padding: 1px;
  background: linear-gradient(135deg, var(--auction-gold) 0%, transparent 50%, var(--auction-gold) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-smooth);
}

.player-card:hover::before {
  opacity: 0.3;
}

.player-card h4 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
  color: var(--warm-white);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.player-card .lot-number {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  color: var(--auction-gold);
  letter-spacing: 0.1em;
}

/* Auction Section */
.auction-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-3xl);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.artwork-display {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.artist-label {
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--warm-gray);
  margin-bottom: var(--space-md);
}

.artist-label strong {
  color: var(--warm-white);
  font-weight: 600;
}

/* Ornate Artwork Frame */
.artwork-frame {
  display: inline-block;
  position: relative;
  padding: 16px;
  background: var(--warm-white);
  border-radius: var(--radius-minimal);
  box-shadow: var(--shadow-artwork);
}

.artwork-frame::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 2px double var(--auction-gold);
  border-radius: var(--radius-minimal);
  pointer-events: none;
}

.artwork-image {
  display: block;
  max-width: 700px;
  max-height: 500px;
  width: auto;
  height: auto;
  background: white;
  border-radius: var(--radius-minimal);
}

/* Auction Info Grid */
.auction-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.info-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  text-align: center;
  transition: var(--transition-smooth);
}

.info-box h4 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--warm-gray);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.info-box .value {
  font-family: var(--font-accent);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--auction-gold);
  line-height: 1;
}

.info-box .value.small-text {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

/* Auction Announcements */
.announcement {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 600;
  margin-top: var(--space-2xl);
  min-height: 80px;
  color: var(--auction-gold);
  text-shadow: 0 2px 20px rgba(212, 175, 55, 0.5);
  letter-spacing: 0.05em;
  animation: fadeInUp 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Leaderboard */
.leaderboard {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-3xl);
  border-radius: var(--radius-minimal);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.leaderboard h2 {
  font-family: var(--font-display);
  text-align: center;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: var(--space-2xl);
  color: var(--auction-gold);
  letter-spacing: 0.05em;
}

.leaderboard-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.leaderboard-item.first {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(232, 201, 104, 0.15) 100%);
  border: 2px solid var(--auction-gold);
  box-shadow: var(--shadow-gold-glow);
  transform: scale(1.02);
}

.leaderboard-item .rank {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 400;
  width: 80px;
  color: var(--auction-gold);
  text-align: center;
}

.leaderboard-item.first .rank {
  font-size: 3rem;
}

.leaderboard-item .player-info {
  flex: 1;
  margin-left: var(--space-lg);
}

.leaderboard-item .player-info h3 {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--warm-white);
  margin-bottom: var(--space-xs);
}

.leaderboard-item .score-info {
  text-align: right;
}

.leaderboard-item .net-worth {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 600;
  color: var(--auction-gold);
}

/* Round Result */
.round-result {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  padding: var(--space-3xl);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-2xl);
  backdrop-filter: blur(20px);
  text-align: center;
}

.round-result h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: var(--space-2xl);
  color: var(--warm-white);
}

.result-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.result-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-xl);
  border-radius: var(--radius-minimal);
}

.result-box h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--warm-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.result-box .highlight {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 600;
  color: var(--auction-gold);
}

/* ============================================================================
   PLAYER DISPLAY STYLES
   ========================================================================= */

.player-body {
  margin: 0;
  padding: 0;
  background-color: var(--auction-ivory);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.01) 2px,
      rgba(0, 0, 0, 0.01) 4px
    );
  color: var(--auction-black);
  min-height: 100vh;
  touch-action: manipulation;
}

.player-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Player Header */
.player-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.player-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3rem);
  letter-spacing: 0.1em;
  color: var(--auction-charcoal);
  margin: 0;
  font-weight: 400;
}

/* Card Component */
.card {
  background: white;
  border: 1px solid var(--border-gold);
  padding: var(--space-xl);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  animation: fadeInUp 0.3s ease-out;
}

.card h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--auction-charcoal);
  margin-bottom: var(--space-lg);
  text-align: center;
  letter-spacing: 0.05em;
}

/* Form Elements */
.input-group {
  margin-bottom: var(--space-lg);
}

.input-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--auction-charcoal);
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.input-group input {
  width: 100%;
  padding: var(--space-md);
  font-size: 1.125rem;
  font-family: var(--font-body);
  border: none;
  border-bottom: 2px solid var(--border-gold-solid);
  background: transparent;
  color: var(--auction-black);
  transition: var(--transition-smooth);
  border-radius: 0;
}

.input-group input:focus {
  outline: none;
  border-bottom-color: var(--auction-gold);
  background: rgba(212, 175, 55, 0.03);
}

.input-group input::placeholder {
  color: var(--warm-gray);
  opacity: 0.6;
}

/* Canvas Styling */
.canvas-container {
  position: relative;
  margin-bottom: var(--space-lg);
}

#drawingCanvas {
  width: 100%;
  height: 400px;
  background: white;
  border-radius: var(--radius-minimal);
  touch-action: none;
  cursor: crosshair;
  box-shadow: var(--shadow-artwork);
  border: 8px solid var(--auction-cream);
  outline: 2px solid var(--auction-gold);
  outline-offset: -12px;
}

/* Color Picker */
.color-picker {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.color-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.color-btn::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  border: 2px solid var(--auction-gold);
  opacity: 0;
  transition: var(--transition-smooth);
}

.color-btn.active::before {
  opacity: 1;
}

.color-btn:active {
  transform: scale(0.95);
}

/* Brush Size Control */
.brush-size {
  margin-bottom: var(--space-lg);
}

.brush-size label {
  display: block;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
  color: var(--auction-charcoal);
  font-weight: 600;
}

.brush-size input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--auction-cream);
  outline: none;
  -webkit-appearance: none;
}

.brush-size input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--auction-gold);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.brush-size input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--auction-gold);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

/* Hint Box */
.hint-box {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(232, 201, 104, 0.05) 100%);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-lg);
}

.hint-box h4 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--auction-charcoal);
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.hint-box p {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--auction-black);
  margin: 0;
  line-height: 1.4;
}

/* Player Status */
.player-status {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.player-status h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--auction-charcoal);
}

.cash-display {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--success-green);
}

/* Artwork Preview */
.artwork-preview {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.artwork-preview img {
  max-width: 100%;
  max-height: 350px;
  border: 8px solid var(--auction-cream);
  outline: 2px solid var(--auction-gold);
  outline-offset: -12px;
  border-radius: var(--radius-minimal);
  background: white;
  box-shadow: var(--shadow-artwork);
}

.artwork-preview p {
  margin-top: var(--space-md);
  font-size: 1rem;
  color: var(--auction-charcoal);
}

/* Your Art Badge */
.your-art-badge {
  background: linear-gradient(135deg, var(--auction-gold) 0%, var(--auction-gold-light) 100%);
  color: var(--auction-charcoal);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 20px;
  font-weight: 600;
  display: inline-block;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-gold-glow);
  font-size: 0.875rem;
  text-transform: uppercase;
}

/* Auction Info (Player) */
.auction-info {
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--border-gold-solid);
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-md);
}

.auction-info p {
  margin: var(--space-xs) 0;
  font-size: 1rem;
  color: var(--auction-charcoal);
}

.auction-info strong {
  font-weight: 600;
}

/* Messages */
.message {
  padding: var(--space-lg);
  border-radius: var(--radius-minimal);
  margin-bottom: var(--space-md);
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.message.success {
  background: rgba(45, 95, 63, 0.1);
  border: 1px solid var(--success-green);
  color: var(--success-green);
}

.message.error {
  background: rgba(139, 38, 53, 0.1);
  border: 1px solid var(--alert-red);
  color: var(--alert-red);
}

.message.info {
  background: rgba(44, 79, 111, 0.1);
  border: 1px solid var(--info-blue);
  color: var(--info-blue);
}

/* Waiting State */
.waiting-message {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.waiting-message p {
  font-size: 1.125rem;
  color: var(--auction-charcoal);
  margin-top: var(--space-md);
}

.spinner {
  border: 4px solid rgba(212, 175, 55, 0.2);
  border-top: 4px solid var(--auction-gold);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

/* ============================================================================
   BUTTON SYSTEM
   ========================================================================= */

.btn {
  padding: var(--space-md) var(--space-2xl);
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius-minimal);
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

/* Primary Button (Gold) */
.btn-primary {
  background: linear-gradient(135deg, var(--auction-gold) 0%, var(--auction-gold-light) 100%);
  color: var(--auction-charcoal);
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--auction-gold-light) 0%, var(--auction-gold) 100%);
  box-shadow: var(--shadow-gold-glow);
}

/* Secondary Button (Outlined) */
.btn-secondary {
  background: transparent;
  color: var(--auction-charcoal);
  border: 2px solid var(--auction-charcoal);
}

.btn-secondary:hover {
  background: var(--auction-charcoal);
  color: var(--warm-white);
}

/* Host display secondary button (for dark backgrounds) */
.host-body .btn-secondary {
  color: var(--warm-white);
  border: 2px solid var(--auction-gold);
}

.host-body .btn-secondary:hover {
  background: var(--auction-gold);
  color: var(--auction-charcoal);
}

/* Danger Button */
.btn-danger {
  background: var(--alert-red);
  color: white;
}

.btn-danger:hover {
  background: #a02f42;
}

/* Control Buttons Layout */
.control-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* Bid Buttons */
.bid-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* Canvas Controls */
.canvas-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* ============================================================================
   ANIMATIONS
   ========================================================================= */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* ============================================================================
   UTILITY CLASSES
   ========================================================================= */

.hidden {
  display: none !important;
}

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

.text-bold {
  font-weight: bold;
}

/* ============================================================================
   RESPONSIVE DESIGN
   ========================================================================= */

@media (max-width: 768px) {
  :root {
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 40px;
  }

  .host-container {
    padding: var(--space-lg);
  }

  .room-code {
    font-size: clamp(2.5rem, 12vw, 4rem);
    letter-spacing: 0.2em;
  }

  .auction-info {
    grid-template-columns: 1fr;
  }

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

  .leaderboard-item {
    flex-direction: column;
    text-align: center;
  }

  .leaderboard-item .player-info {
    margin-left: 0;
    margin-top: var(--space-sm);
  }

  .leaderboard-item .score-info {
    text-align: center;
    margin-top: var(--space-sm);
  }

  .control-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

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

  .card {
    padding: var(--space-lg);
  }

  #drawingCanvas {
    height: 300px;
  }
}

/* ============================================================================
   PRINT STYLES
   ========================================================================= */

@media print {
  body {
    background: white;
    color: black;
  }

  .btn,
  .control-buttons {
    display: none;
  }
}