/* ============================================
   NOTTINGHAM FOREST TOP TRUMPS
   ============================================ */

:root {
  --forest-red: #E53233;
  --forest-red-dark: #b8282a;
  --forest-red-light: #ff4a4b;
  --bg-dark: #0d0d1a;
  --bg-card: #1a1a2e;
  --bg-card-light: #252542;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  --gold: #ffd700;
  --gold-dark: #c7a600;
  --green-win: #2ecc71;
  --red-lose: #e74c3c;
  --blue-draw: #3498db;
  --card-width: 300px;
  --card-height: 440px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- SCREEN MANAGEMENT ---- */
.screen {
  display: none;
  min-height: 100vh;
  padding: 20px;
}
.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================
   TITLE SCREEN
   ============================================ */
#title-screen {
  justify-content: center;
  text-align: center;
  gap: 40px;
  background: radial-gradient(ellipse at center, #1a1028 0%, var(--bg-dark) 70%);
}

.title-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.title-logo .tree-icon {
  font-size: 64px;
  filter: drop-shadow(0 0 20px rgba(229, 50, 51, 0.5));
}

.title-logo h1 {
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(180deg, #fff 30%, var(--forest-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.title-logo .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  letter-spacing: 6px;
  text-transform: uppercase;
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 360px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--forest-red), var(--forest-red-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(229, 50, 51, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(229, 50, 51, 0.6);
}

.btn-secondary {
  background: var(--bg-card-light);
  color: var(--text-primary);
  border: 2px solid rgba(229, 50, 51, 0.3);
}
.btn-secondary:hover {
  border-color: var(--forest-red);
  background: var(--bg-card);
  transform: translateY(-2px);
}

.btn-small {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-icon {
  font-size: 1.3rem;
}

.mode-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: -8px;
  letter-spacing: 0;
  text-transform: none;
}

.title-footer {
  display: flex;
  gap: 20px;
  align-items: center;
}

.sound-toggle {
  background: none;
  border: 2px solid var(--text-muted);
  color: var(--text-muted);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.sound-toggle:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}
.sound-toggle.active {
  border-color: var(--forest-red);
  color: var(--forest-red);
}

/* ============================================
   GAME SCREEN
   ============================================ */
#game-screen {
  padding: 10px 16px;
  gap: 10px;
}

/* Top HUD */
.game-hud {
  width: 100%;
  max-width: 700px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
}

.hud-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.hud-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hud-cards {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-primary);
}
.hud-score {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.hud-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.hud-round {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hud-mode {
  font-size: 0.85rem;
  color: var(--forest-red);
  font-weight: 700;
}
.hud-lives {
  font-size: 1rem;
  color: var(--forest-red);
}

/* Battle Area */
.battle-area {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  max-width: 700px;
  flex: 1;
}

.card-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.card-slot-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ---- THE CARD ---- */
.card {
  width: var(--card-width);
  height: var(--card-height);
  perspective: 800px;
  cursor: default;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-inner.flipped {
  transform: rotateY(180deg);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 16px;
  overflow: hidden;
}

/* Card Back (face-down) */
.card-back {
  background: linear-gradient(135deg, var(--forest-red-dark) 0%, #6b1415 50%, var(--forest-red-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--forest-red);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}
.card-back-design {
  text-align: center;
}
.card-back-design .tree {
  font-size: 60px;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.3));
}
.card-back-design .back-text {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}
.card-back-pattern {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.02) 10px, rgba(255,255,255,0.02) 20px),
    repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(255,255,255,0.02) 10px, rgba(255,255,255,0.02) 20px);
  pointer-events: none;
}

/* Card Front (face-up) */
.card-front {
  transform: rotateY(180deg);
  background: linear-gradient(180deg, var(--bg-card) 0%, #12122a 100%);
  border: 3px solid var(--forest-red);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
}

/* Player card shown (no flip needed) */
.card.revealed .card-inner {
  transform: rotateY(180deg);
}

/* Card Header */
.card-header {
  background: linear-gradient(135deg, var(--forest-red), var(--forest-red-dark));
  padding: 12px 14px 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.card-player-name {
  font-size: 1.05rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.1;
  flex: 1;
}
.card-position {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(0,0,0,0.3);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  margin-left: 8px;
}

/* Card Info */
.card-info {
  display: flex;
  justify-content: space-between;
  padding: 6px 14px;
  background: rgba(0,0,0,0.3);
  font-size: 0.65rem;
  color: var(--text-secondary);
}
.card-info span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}
.card-info .info-label {
  color: var(--text-muted);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Card Stats */
.card-stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 14px;
  gap: 8px;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 8px;
  transition: all 0.15s ease;
}
.stat-row:hover {
  background: rgba(229, 50, 51, 0.1);
}
.stat-row.selected {
  background: rgba(229, 50, 51, 0.2);
  box-shadow: inset 0 0 0 1px var(--forest-red);
}
.stat-row.won {
  background: rgba(46, 204, 113, 0.15);
  box-shadow: inset 0 0 0 1px var(--green-win);
}
.stat-row.lost {
  background: rgba(231, 76, 60, 0.15);
  box-shadow: inset 0 0 0 1px var(--red-lose);
}
.stat-row.drawn {
  background: rgba(52, 152, 219, 0.15);
  box-shadow: inset 0 0 0 1px var(--blue-draw);
}

/* CPU card: no hover/pointer */
.card-slot.cpu .stat-row {
  cursor: default;
}
.card-slot.cpu .stat-row:hover {
  background: transparent;
}

.stat-name {
  width: 70px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  font-weight: 600;
}
.stat-bar-bg {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}
.stat-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
  background: linear-gradient(90deg, var(--forest-red), var(--forest-red-light));
}
.stat-value {
  width: 28px;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Special manager card accent */
.card.special .card-header {
  background: linear-gradient(135deg, #c7a600, #8b7500);
}
.card.special .card-front {
  border-color: var(--gold);
}

/* Card Bio */
.card-bio {
  padding: 8px 14px 10px;
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.4;
  border-top: 1px solid rgba(255,255,255,0.05);
  min-height: 42px;
}

/* ---- GAME ACTION AREA ---- */
.action-area {
  width: 100%;
  max-width: 700px;
  text-align: center;
}

.action-message {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  min-height: 28px;
  font-weight: 600;
}
.action-message.win { color: var(--green-win); }
.action-message.lose { color: var(--red-lose); }
.action-message.draw { color: var(--blue-draw); }

.action-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   RESULT SCREEN
   ============================================ */
#result-screen {
  justify-content: center;
  text-align: center;
  gap: 30px;
  background: radial-gradient(ellipse at center, #1a1028 0%, var(--bg-dark) 70%);
}

.result-icon {
  font-size: 80px;
}

.result-title {
  font-size: 2.5rem;
  font-weight: 900;
  text-transform: uppercase;
}
.result-title.win { color: var(--green-win); }
.result-title.lose { color: var(--red-lose); }
.result-title.draw { color: var(--blue-draw); }

.result-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
}
.result-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.result-stat-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
}
.result-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.best-card-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 20px 30px;
  border: 1px solid rgba(255,255,255,0.06);
}
.best-card-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.best-card-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gold);
}
.best-card-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.result-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.share-text {
  background: var(--bg-card);
  padding: 16px 24px;
  border-radius: 10px;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 360px;
  line-height: 1.5;
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: border-color 0.2s;
}
.share-text:hover {
  border-color: var(--forest-red);
}
.share-copied {
  font-size: 0.7rem;
  color: var(--green-win);
  min-height: 20px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 10px rgba(229, 50, 51, 0.3); }
  50%      { box-shadow: 0 0 25px rgba(229, 50, 51, 0.6); }
}

.animate-in {
  animation: slideUp 0.4s ease-out;
}

.card.pulse {
  animation: pulse 0.3s ease;
}

.card.glow {
  animation: glow 1s ease infinite;
}

/* Win/lose flash on the whole card */
@keyframes flashGreen {
  0%   { box-shadow: 0 0 0 rgba(46, 204, 113, 0); }
  50%  { box-shadow: 0 0 30px rgba(46, 204, 113, 0.6); }
  100% { box-shadow: 0 0 0 rgba(46, 204, 113, 0); }
}
@keyframes flashRed {
  0%   { box-shadow: 0 0 0 rgba(231, 76, 60, 0); }
  50%  { box-shadow: 0 0 30px rgba(231, 76, 60, 0.6); }
  100% { box-shadow: 0 0 0 rgba(231, 76, 60, 0); }
}
.card.flash-win .card-front  { animation: flashGreen 0.8s ease; }
.card.flash-lose .card-front { animation: flashRed 0.8s ease; }

/* ============================================
   VS BADGE
   ============================================ */
.vs-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  margin-top: 120px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-card-light);
  border: 2px solid rgba(255,255,255,0.1);
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 720px) {
  :root {
    --card-width: 260px;
    --card-height: 390px;
  }

  .battle-area {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .vs-badge {
    margin-top: 0;
    width: 36px;
    height: 36px;
    font-size: 0.7rem;
  }

  .title-logo h1 {
    font-size: 2rem;
  }

  .game-hud {
    padding: 8px 12px;
  }
  .hud-cards {
    font-size: 1.2rem;
  }

  .result-stats {
    gap: 24px;
  }
}

@media (max-width: 380px) {
  :root {
    --card-width: 240px;
    --card-height: 370px;
  }
  .stat-name {
    width: 58px;
    font-size: 0.65rem;
  }
  .card-player-name {
    font-size: 0.9rem;
  }
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 200px;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(229,50,51,0.2);
  border-top-color: var(--forest-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}