/* =========================
   🎨 VARIABLES Y RESET
   ========================= */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(30, 41, 59, 0.8);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #ec4899;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --border-color: rgba(148, 163, 184, 0.2);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.2s ease;
}

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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  text-align: center;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* =========================
   📦 CONTENEDOR PRINCIPAL
   ========================= */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px;
  min-height: 100vh;
}

.home-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

/* =========================
   🏠 PANTALLA INICIO
   ========================= */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.logo-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.3);
  animation: pulse 3s ease-in-out infinite;
}

.logo-icon {
  font-size: 48px;
}

.logo-img {
  width: 80px;
  height: auto;
  object-fit: contain;
}

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

.title {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: 1.1rem;
}

/* Botones de inicio */
.home-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 320px;
}

/* Botones de acción en mis categorías */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  margin-bottom: 32px;
}

.secondary-actions {
  display: flex;
  gap: 12px;
}

/* =========================
   🔘 BOTONES
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

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

.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-large {
  padding: 18px 40px;
  font-size: 1.15rem;
  border-radius: var(--radius-lg);
}

.btn.small {
  padding: 10px 18px;
  font-size: 0.9rem;
}

.primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: var(--shadow-sm), 0 0 20px rgba(99, 102, 241, 0.3);
}

.primary:hover:not(.disabled) {
  box-shadow: var(--shadow-md), 0 0 30px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

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

.secondary:hover:not(.disabled) {
  background: var(--bg-card);
  border-color: var(--accent-primary);
}

.accent {
  background: linear-gradient(135deg, var(--accent-tertiary), var(--accent-secondary));
  box-shadow: var(--shadow-sm), 0 0 20px rgba(236, 72, 153, 0.3);
}

.accent:hover:not(.disabled) {
  box-shadow: var(--shadow-md), 0 0 30px rgba(236, 72, 153, 0.4);
  transform: translateY(-2px);
}

.danger {
  background: linear-gradient(135deg, var(--error), #dc2626);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(239, 68, 68, 0.3);
}

.danger:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(239, 68, 68, 0.4);
  transform: translateY(-2px);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-icon:hover {
  background: var(--bg-card);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.btn-icon.delete-btn:hover,
.btn-icon.delete-q-btn:hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

/* =========================
   ⚙️ BARRA DE OPCIONES
   ========================= */
.options-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.option-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.option-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.option-group select {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.option-group select:hover {
  border-color: var(--accent-primary);
}

.option-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* =========================
   📚 GRID DE CATEGORÍAS
   ========================= */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  width: 100%;
}

.category-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.category-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 2rem;
}

.category-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

/* =========================
   🔙 ENLACE VOLVER
   ========================= */
.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  margin-bottom: 16px;
}

.back-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

/* =========================
   🎮 PANTALLA DE JUEGO
   ========================= */
.game-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.game-header .back-link {
  margin-bottom: 0;
}

.score-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-weight: 600;
}

.score-icon {
  font-size: 1.2rem;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.game-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.question-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.question-number {
  font-size: 0.9rem;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.question-text {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

/* =========================
   ❓ RESPUESTAS
   ========================= */
.answers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 600px;
  margin: 0 auto 24px auto;
}

.answer-btn {
  padding: 18px 20px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition);
  min-height: 70px;
}

.answer-btn:hover:not(:disabled):not(.correct):not(.incorrect) {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
}

.answer-btn:disabled {
  cursor: default;
}

.answer-btn.correct {
  background: rgba(34, 197, 94, 0.2);
  border-color: var(--success);
  color: var(--success);
}

.answer-btn.incorrect {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--error);
  color: var(--error);
}

.game-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* =========================
   🏆 PANTALLA RESULTADOS
   ========================= */
.results-screen {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

.results-screen.hidden {
  display: none;
}

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

.results-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  animation: slideUp 0.4s ease;
}

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

.results-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.results-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results-score {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.results-stars {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.results-stars .star {
  font-size: 1.8rem;
  transition: transform 0.2s ease;
}

.results-stars .star.filled {
  animation: starPop 0.3s ease forwards;
}

@keyframes starPop {
  0% { transform: scale(0); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.results-stars .star.empty {
  opacity: 0.3;
}

.results-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================
   🔔 BANNER ACTUALIZACIÓN
   ========================= */
.update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  z-index: 1000;
  animation: slideDown 0.3s ease;
}

.update-banner.hidden {
  display: none;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.update-banner button {
  padding: 8px 16px;
  background: white;
  color: var(--accent-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.update-banner button:hover {
  transform: scale(1.05);
}

/* =========================
   🎉 EFECTO VICTORIA PERFECTA
   ========================= */
.perfect-win .results-card {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.3);
}

/* =========================
   📝 MIS CATEGORÍAS
   ========================= */
.page-header {
  margin-bottom: 24px;
}

.page-header .subtitle {
  margin-top: 8px;
}

.my-categories-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  width: 100%;
}

.custom-category-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  text-align: left;
  transition: all var(--transition);
}

.custom-category-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-icon {
  font-size: 2.2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.card-info {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.card-actions .play-btn {
  margin-left: auto;
}

/* Estado vacío */
.empty-state {
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 300px;
  margin: 0 auto;
}

/* =========================
   ✏️ EDITOR DE CATEGORÍA
   ========================= */
.editor-section {
  margin-bottom: 32px;
  text-align: left;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  background: var(--accent-primary);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(10px);
}

.form-row {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.flex-grow {
  flex: 1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input + input {
  margin-top: 8px;
}

.correct-answer-input {
  border-color: var(--success) !important;
  background: rgba(34, 197, 94, 0.1) !important;
}

.icon-picker-group {
  width: auto;
}

.icon-picker-btn {
  width: 56px;
  height: 56px;
  font-size: 1.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.icon-picker-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card);
}

/* Lista de preguntas */
.questions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.question-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.question-item:hover {
  border-color: var(--accent-primary);
}

.question-item-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.question-number-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-primary);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
}

.question-preview {
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

.question-item-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.empty-questions {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}

.add-question-btn {
  width: 100%;
  border-style: dashed;
}

.editor-actions {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* =========================
   🎭 MODALES
   ========================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  animation: slideUp 0.3s ease;
}

.modal-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.modal-actions .btn {
  flex: 1;
}

/* Modal de pregunta */
.question-modal-content {
  max-width: 500px;
  text-align: left;
}

.question-modal-content h3 {
  text-align: center;
  margin-bottom: 24px;
}

.question-modal-content .form-group {
  margin-bottom: 16px;
}

.question-modal-content .modal-actions {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

/* Modal de emoji */
.emoji-modal-content {
  max-width: 360px;
}

.emoji-modal-content h3 {
  margin-bottom: 20px;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}

.emoji-option {
  width: 40px;
  height: 40px;
  font-size: 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.emoji-option:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: scale(1.1);
}

/* =========================
   🔔 TOAST
   ========================= */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  font-weight: 500;
  z-index: 2000;
  animation: toastIn 0.3s ease;
}

.toast.hidden {
  display: none;
}

.toast.success {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.15);
}

.toast.error {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.15);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* =========================
   🔗 SECCIÓN MIS CATEGORÍAS EN CATEGORIAS.HTML
   ========================= */
.custom-section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.custom-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.custom-section-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.manage-link {
  font-size: 0.9rem;
  color: var(--accent-primary);
  text-decoration: none;
  transition: all var(--transition);
}

.manage-link:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

.custom-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.custom-category-play-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 16px;
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  cursor: pointer;
}

.custom-category-play-btn:hover {
  background: rgba(236, 72, 153, 0.2);
  border-color: var(--accent-tertiary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.custom-category-play-btn .category-icon {
  font-size: 1.8rem;
}

.custom-category-play-btn .category-name {
  font-size: 0.9rem;
}

.custom-category-play-btn .category-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* =========================
   📱 RESPONSIVE
   ========================= */
@media (max-width: 600px) {
  .title {
    font-size: 2.2rem;
  }
  
  .logo-circle {
    width: 80px;
    height: 80px;
  }
  
  .logo-icon {
    font-size: 40px;
  }
  
  .options-bar {
    flex-direction: column;
    gap: 12px;
  }
  
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .category-btn {
    padding: 18px 12px;
  }
  
  .category-icon {
    font-size: 1.6rem;
  }
  
  .category-name {
    font-size: 0.85rem;
  }
  
  .answers {
    grid-template-columns: 1fr;
  }
  
  .question-text {
    font-size: 1.2rem;
  }
  
  .question-card {
    padding: 20px 16px;
  }
  
  .results-card {
    padding: 32px 24px;
  }
  
  .features {
    gap: 10px;
  }
  
  .feature {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
  
  .my-categories-list {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .icon-picker-group {
    align-items: center;
  }
  
  .modal-content {
    padding: 24px;
  }
  
  .emoji-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .custom-categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================
   🖥️ ESCRITORIO GRANDE
   ========================= */
@media (min-width: 1024px) and (hover: hover) and (pointer: fine) {
  .container {
    max-width: 1100px;
    padding: 32px 24px;
  }
  
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  
  .answers {
    max-width: 700px;
    gap: 18px;
  }
  
  .answer-btn {
    padding: 22px 24px;
    font-size: 1.05rem;
  }
}

/* =========================
   🎨 DARK MODE OPTIMIZADO
   ========================= */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }
}

/* =========================
   🎉 MODAL DE BIENVENIDA
   ========================= */
.welcome-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.welcome-modal.visible {
  opacity: 1;
  visibility: visible;
}

.welcome-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.welcome-content {
  position: relative;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 750px;
  width: 100%;
  overflow: hidden;
  animation: welcomeSlideUp 0.4s ease;
}

@keyframes welcomeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.welcome-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
}

.welcome-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.welcome-layout {
  display: flex;
  min-height: 400px;
}

.welcome-logo-section {
  width: 280px;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  position: relative;
  flex-shrink: 0;
}

.welcome-logo-main {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.welcome-logo-mini {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: auto;
  opacity: 0.9;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.welcome-text-section {
  flex: 1;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.welcome-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.welcome-description strong {
  color: var(--text-primary);
}

.welcome-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(99, 102, 241, 0.15);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.welcome-tip strong {
  color: var(--accent-primary);
}

.welcome-start {
  align-self: flex-start;
  margin-bottom: 24px;
}

.welcome-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.donate-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #ff5e5b, #d63384);
  border-radius: var(--radius-sm);
  color: white;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  align-self: flex-start;
}

.donate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 94, 91, 0.4);
}

.welcome-other-sites {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.welcome-other-sites a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.welcome-other-sites a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

.welcome-dedication {
  text-align: center;
  padding: 12px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Responsive modal */
@media (max-width: 700px) {
  .welcome-layout {
    flex-direction: column;
    min-height: auto;
  }
  
  .welcome-logo-section {
    width: 100%;
    padding: 24px;
    flex-direction: row;
    justify-content: center;
    gap: 16px;
  }
  
  .welcome-logo-main {
    width: 100px;
    height: 100px;
  }
  
  .welcome-logo-mini {
    position: static;
    width: 60px;
  }
  
  .welcome-text-section {
    padding: 24px;
  }
  
  .welcome-title {
    font-size: 1.5rem;
  }
  
  .welcome-start {
    width: 100%;
  }
}

/* =========================
   🎮 MULTIJUGADOR
   ========================= */
.multiplayer-icon {
  font-size: 4rem;
  margin-bottom: 8px;
}

.multiplayer-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.option-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.option-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.option-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.option-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.option-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.join-form {
  display: flex;
  gap: 10px;
}

.join-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-family: monospace;
  text-align: center;
  color: var(--text-primary);
  letter-spacing: 0.2em;
}

.join-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.info-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: left;
}

.info-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Spinner de carga */
.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =========================
   🚪 SALA DE ESPERA
   ========================= */
.room-code-section {
  text-align: center;
  margin-bottom: 32px;
}

.room-code-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.room-code-display {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
}

.room-code-display span {
  font-size: 2rem;
  font-weight: 700;
  font-family: monospace;
  letter-spacing: 0.3em;
  color: var(--accent-primary);
}

.room-code-hint {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 8px;
}

.players-section {
  margin-bottom: 32px;
}

.players-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.player-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.player-item.is-me {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
}

.player-avatar {
  font-size: 1.5rem;
}

.player-name {
  flex: 1;
  font-weight: 500;
}

.host-badge {
  font-size: 0.8rem;
  padding: 4px 10px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 12px;
  color: white;
}

.me-badge {
  font-size: 0.85rem;
  color: var(--accent-primary);
}

.config-section {
  margin-bottom: 24px;
}

.config-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.config-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.config-row .form-group {
  flex: 1;
  min-width: 150px;
}

.start-hint {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
}

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

.waiting-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 400px;
  margin: 0 auto;
}

.waiting-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  animation: pulse 2s ease-in-out infinite;
}

.waiting-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.waiting-card p {
  color: var(--text-secondary);
}

.config-preview {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--accent-secondary);
}

/* =========================
   🎮 JUEGO ONLINE
   ========================= */
.online-game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.room-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.room-badge {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: monospace;
}

.category-badge {
  padding: 6px 12px;
  background: rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--accent-secondary);
}

.players-mini {
  display: flex;
  gap: 8px;
}

.player-mini {
  position: relative;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  font-size: 1.1rem;
}

.player-mini.is-me {
  border-color: var(--accent-primary);
}

.player-mini.is-done {
  border-color: var(--success);
}

.player-mini-progress {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(
    var(--accent-primary) var(--progress, 0%),
    transparent var(--progress, 0%)
  );
  z-index: -1;
  opacity: 0.5;
}

.done-check {
  position: absolute;
  bottom: -4px;
  right: -4px;
  font-size: 0.7rem;
  background: var(--success);
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pantalla de espera mientras otros terminan */
.waiting-others-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.waiting-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
}

.players-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  text-align: left;
}

.progress-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.progress-player.finished {
  background: rgba(34, 197, 94, 0.1);
}

.progress-avatar {
  font-size: 1.2rem;
}

.progress-name {
  flex: 1;
}

.progress-status {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* =========================
   🏆 RESULTADOS ONLINE
   ========================= */
.online-results {
  max-width: 500px;
}

.podium {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 12px;
  margin: 24px 0 32px;
  min-height: 200px;
}

.podium-place {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100px;
}

.podium-place.is-me .podium-avatar {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.podium-avatar {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 3px solid var(--border-color);
  border-radius: 50%;
  margin-bottom: 8px;
}

.podium-medal {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.podium-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  text-align: center;
  word-break: break-word;
}

.podium-score {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.podium-bar {
  width: 80px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.place-1 .podium-bar {
  height: 100px;
  background: linear-gradient(180deg, #f59e0b, #d97706);
}

.place-2 .podium-bar {
  height: 70px;
  background: linear-gradient(180deg, #94a3b8, #64748b);
}

.place-3 .podium-bar {
  height: 50px;
  background: linear-gradient(180deg, #c2794a, #a16234);
}

.all-scores {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.score-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.score-row.is-me {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--accent-primary);
}

.score-position {
  font-weight: 700;
  width: 30px;
  color: var(--accent-secondary);
}

.score-avatar {
  font-size: 1.3rem;
}

.score-name {
  flex: 1;
  font-weight: 500;
}

.score-value {
  color: var(--text-secondary);
  font-size: 0.9rem;
}