/* ==========================================================================
   Batu Gunting Kertas - Tampilan Simpel, Bersih & Minimalis
   ========================================================================== */

:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f8fafc;
  
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --btn-primary-bg: #0f172a;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #1e293b;

  --btn-secondary-bg: #f1f5f9;
  --btn-secondary-text: #1e293b;
  --btn-secondary-hover: #e2e8f0;

  --accent-blue: #2563eb;
  --accent-blue-light: #eff6ff;

  --win-color: #16a34a;
  --lose-color: #dc2626;

  --radius: 10px;
  --radius-sm: 6px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.header {
  text-align: center;
}

.title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Kartu Utama */
.lobby-card, .game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Section di dalam Lobby */
.section-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 4px 0;
}

/* Formulir & Input */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.input-field {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 150ms ease;
}

.input-field:focus {
  border-color: var(--border-focus);
  background: #ffffff;
}

.input-sm {
  padding: 8px 10px;
  font-size: 0.85rem;
}

/* Tombol-tombol */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 140ms ease;
  width: 100%;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--btn-secondary-hover);
}

.btn-sm {
  width: auto;
  padding: 8px 14px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.btn-text {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 8px;
}

.btn-text:hover {
  color: var(--lose-color);
}

/* Kotak Informasi Room Dibuat */
.room-info-box {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.info-status {
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 500;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.code-badge {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 1.1rem;
  font-weight: 700;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 3px 10px;
  border-radius: 4px;
  color: var(--accent-blue);
  letter-spacing: 0.05em;
}

.info-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ==========================================================================
   AREA GAMEPLAY
   ========================================================================== */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.room-tag {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.room-tag strong {
  color: var(--text-main);
  font-family: monospace;
}

/* Papan Skor */
.scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  padding: 16px 14px;
  border: 1px solid var(--border-color);
}

.player-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.player-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.player-score {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
}

.player-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

.score-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.round-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
}

.draw-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Reveal Area */
.reveal-area {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
}

.hand-display {
  width: 76px;
  height: 76px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto;
  transition: all 180ms ease;
  perspective: 600px;
}

.hand-display.picked {
  border-color: var(--accent-blue);
  background: var(--accent-blue-light);
}

/* Animasi 1: Kocok Tangan Klasik 3 Hitungan (1.. 2.. 3..) */
@keyframes rps-shake {
  0% { transform: translateY(0) rotate(0deg); }
  20% { transform: translateY(-14px) rotate(-8deg); }
  40% { transform: translateY(0) rotate(0deg); }
  60% { transform: translateY(-14px) rotate(-8deg); }
  80% { transform: translateY(0) rotate(0deg); }
  90% { transform: translateY(-8px) rotate(-4deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

.hand-display.shaking {
  animation: rps-shake 1.1s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* Animasi 2: Buka Kartu 3D Flip */
@keyframes card-reveal-flip {
  0% { transform: scale(0.85) rotateY(90deg); opacity: 0.3; }
  60% { transform: scale(1.1) rotateY(0deg); opacity: 1; }
  100% { transform: scale(1) rotateY(0deg); opacity: 1; }
}

.hand-display.revealing {
  animation: card-reveal-flip 350ms cubic-bezier(0.18, 0.89, 0.32, 1.28) both;
}

.hand-display.winner-hand {
  border-color: var(--win-color);
  background: #f0fdf4;
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.2);
  transform: translateY(-2px);
}

.hand-display.loser-hand {
  opacity: 0.6;
  border-color: var(--border-color);
  background: var(--bg-page);
}

.result-text {
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-main);
  min-width: 120px;
}

@keyframes result-pop {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.result-text.pop-in {
  animation: result-pop 250ms ease-out both;
}

.result-text.win {
  color: var(--win-color);
}

.result-text.lose {
  color: var(--lose-color);
}

.result-text.draw {
  color: var(--text-muted);
}

/* Pilihan Batu Gunting Kertas */
.choices-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.choice-prompt {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
}

.buttons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.choice-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 140ms ease;
}

.choice-btn:hover:not(:disabled) {
  border-color: var(--accent-blue);
  background: var(--accent-blue-light);
  transform: translateY(-2px);
}

.choice-btn.selected {
  border-color: var(--accent-blue);
  background: var(--accent-blue-light);
}

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

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

.choice-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Game Actions */
.game-actions {
  display: flex;
  gap: 10px;
}

/* Notifikasi Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #ffffff;
  font-size: 0.88rem;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 9999;
  transition: opacity 160ms ease;
}

.hidden {
  display: none !important;
}