/* ==========================================================================
   Design System & Variáveis de Estilo (Teste de Einstein)
   ========================================================================== */
:root {
  /* Fontes */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Tema Escuro (Padrão) */
  --bg-app: #0b0f19;
  --bg-surface: #131b2e;
  --bg-surface-elevated: #1a233a;
  --bg-card: rgba(26, 35, 58, 0.75);
  --bg-glass: rgba(19, 27, 46, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gold-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.25);

  /* Cores das Casas */
  --color-amarela: #eab308;
  --color-azul: #3b82f6;
  --color-branca: #e2e8f0;
  --color-verde: #10b981;
  --color-vermelha: #ef4444;

  /* Feedback */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
}

[data-theme='light'] {
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.92);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(99, 102, 241, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Fundo sutil com gradiente radial decorativo */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.04) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 0;
  transition: background-color 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-title h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Barra de Ações do Topo */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Cronômetro */
.timer-badge {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.timer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Botões de Ação do Header */
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.btn-install {
  display: none; /* Ativado via JS no beforeinstallprompt */
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 10px;
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-install:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

/* ==========================================================================
   Barra de Ferramentas / Controles de Jogo
   ========================================================================== */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.25rem 0 0.75rem;
}

.controls-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.game-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.game-btn:hover:not(:disabled) {
  background: var(--bg-surface-elevated);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.game-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.game-btn svg {
  width: 16px;
  height: 16px;
}

.game-btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

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

.game-btn-danger {
  color: var(--error);
}

.game-btn-danger:hover:not(:disabled) {
  background: var(--error-bg);
  border-color: var(--error);
}

/* ==========================================================================
   Área Principal do Jogo (Grid de Casas)
   ========================================================================== */
.game-section {
  padding: 0.5rem 0 2rem;
}

.board-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  overflow-x: auto;
  position: relative;
}

.board-grid {
  display: grid;
  grid-template-columns: 140px repeat(5, minmax(170px, 1fr));
  gap: 0.75rem;
  min-width: 980px;
}

/* Coluna de Rótulos */
.label-column {
  display: flex;
  flex-direction: column;
}

.label-header {
  height: 84px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 0.65rem;
}

.house-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.cell-label {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  padding: 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.cat-icon {
  font-size: 1.15rem;
}

/* Colunas das Casas */
.house-column {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  position: relative;
}

.house-column:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.house-column.has-color {
  border-top: 4px solid var(--house-theme-color, var(--accent-primary));
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.column-header {
  height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  position: relative;
}

.roof-shape {
  width: 32px;
  height: 12px;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background: var(--house-theme-color, var(--text-muted));
  margin-bottom: 2px;
  transition: background-color 0.3s ease;
}

.house-number {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.house-color-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  margin-top: 2px;
  transition: all 0.3s ease;
}

/* Células e Menus Dropdown */
.cell-wrapper {
  height: 58px;
  margin-bottom: 0.65rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mobile-cell-label {
  display: none; /* Apenas em telas muito pequenas */
}

.cell-select {
  width: 100%;
  height: 44px;
  padding: 0 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  transition: all 0.2s ease;
}

.cell-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.cell-select:hover:not(:focus) {
  border-color: rgba(255, 255, 255, 0.2);
}

.cell-select option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  padding: 8px;
}

.cell-select option:disabled {
  color: var(--text-muted);
  background-color: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Seção de Dicas (Clues)
   ========================================================================== */
.clues-section {
  padding: 1rem 0 3rem;
}

.clues-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.clues-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.clues-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.clues-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0.75rem;
}

.clue-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
  position: relative;
}

.clue-item:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* Checkbox circular customizado */
.clue-checkbox {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 6px;
  border: 2px solid var(--text-muted);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.check-icon {
  width: 14px;
  height: 14px;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.2s ease;
}

.clue-content {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.clue-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.clue-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.2s ease, text-decoration 0.2s ease;
}

/* Badges de Status da Dica */
.clue-status-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: none;
}

.badge-ok {
  display: inline-block;
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-error {
  display: inline-block;
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
  animation: shake 0.4s ease;
}

.badge-manual {
  display: inline-block;
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-secondary);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Estados da Dica */
.clue-item.status-completed {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.05);
}

.clue-item.status-completed .clue-checkbox {
  background: var(--success);
  border-color: var(--success);
}

.clue-item.status-completed .check-icon {
  opacity: 1;
  color: #ffffff;
  transform: scale(1);
}

.clue-item.status-completed .clue-text {
  color: var(--text-muted);
  text-decoration: line-through;
}

.clue-item.status-violated {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.08);
}

.clue-item.status-manual {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.04);
}

.clue-item.status-manual .clue-checkbox {
  border-color: var(--accent-secondary);
}

.clue-item.status-manual .clue-text {
  opacity: 0.75;
  text-decoration: line-through;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ==========================================================================
   Seção Informativa (Como Jogar & Curiosidades)
   ========================================================================== */
.info-section {
  padding: 0 0 3.5rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.info-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
}

.info-card h3 {
  font-size: 1.15rem;
  font-weight: 750;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-card p, .info-card li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-card ol {
  padding-left: 1.25rem;
  margin-top: 0.5rem;
}

.info-card li {
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   Modais (Vitória e Reset)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  width: 100%;
  max-width: 460px;
  padding: 2.25rem 1.75rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.win-trophy-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: bounce 1.2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.win-stat-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1.75rem;
}

.win-stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.win-stat-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-top: 0.25rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

/* ==========================================================================
   Notificações Toast
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-success {
  border-color: var(--success);
  color: var(--success);
}

.toast-warning {
  border-color: var(--warning);
  color: var(--warning);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.75rem 0;
  text-align: center;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.site-footer p {
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   Responsividade Mobile (Smartphones e Tablets)
   ========================================================================== */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .brand-title h1 {
    font-size: 1.1rem;
  }

  .timer-badge {
    font-size: 0.85rem;
    padding: 0.35rem 0.65rem;
  }

  .board-grid {
    min-width: 820px;
    gap: 0.5rem;
  }

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