/* ── GENERADOR PAGE SPECIFIC ── */
.gen-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.gen-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.4s ease-out;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-indicator {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  justify-content: center;
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s;
}

.step-dot.active {
  background: var(--accent);
  transform: scale(1.4);
  box-shadow: 0 0 0 5px var(--accent-light);
}

/* Step 1: Mod Select */
.mod-select-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.mod-card {
  padding: 2rem;
  border: 2px solid var(--border);
  border-radius: 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.mod-card:hover {
  border-color: var(--accent-light);
  background: var(--bg2);
}

.mod-card.active {
  border-color: var(--accent);
  background: var(--accent-light);
}

.mod-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.mod-name {
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
}

/* Model Selection */
.model-select-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.model-card {
  padding: 2rem;
  border: 2px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg);
}

.model-card h4 {
  font-family: 'Outfit', sans-serif;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.model-card p {
  font-size: 0.85rem;
  color: var(--text3);
  line-height: 1.4;
}

.model-card:hover {
  border-color: var(--accent-light);
  background: var(--bg2);
}

.model-card.active {
  border-color: var(--accent);
  background: var(--accent-light);
}

.model-card .model-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Step 2: Num Ex */
.num-input-wrapper {
  text-align: center;
  padding: 2rem 0;
}

.num-input-wrapper input {
  font-size: 4rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  width: 120px;
  text-align: center;
  border: none;
  background: var(--bg2);
  border-radius: 20px;
  padding: 1rem;
  color: var(--primary);
}

/* Multi-cat select */
.multi-cat-select {
  position: relative;
  width: 100%;
}

.selected-tags {
  min-height: 48px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.2s;
}

.selected-tags:hover {
  border-color: var(--border2);
}

.selected-tags .placeholder {
  color: var(--text3);
  font-size: 0.9rem;
  margin-top: 4px;
  padding-left: 4px;
}

.cat-chip {
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cat-chip b {
  cursor: pointer;
  opacity: 0.6;
}

.cat-chip b:hover {
  opacity: 1;
}

.cat-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 400px;
  overflow-y: auto;
  display: none;
  padding: 1rem;
}

.cat-dropdown.open {
  display: block;
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cat-dropdown-group {
  margin-bottom: 1.5rem;
}

.cat-dropdown-group:last-child {
  margin-bottom: 0;
}

.group-name {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.group-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.subcat-item {
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.subcat-item:hover {
  border-color: var(--accent);
  background: var(--bg2);
}

.subcat-item.selected {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Step 3 Config Rows */
.config-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.config-row {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  position: relative;
}

.config-row.has-open-dropdown {
  z-index: 1000;
}

.config-row-header {
  background: var(--bg2);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text2);
}

.config-row-body {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.config-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text3);
}

.type-toggle {
  display: flex;
  background: var(--bg2);
  padding: 4px;
  border-radius: 10px;
}

.type-toggle button {
  flex: 1;
  padding: 0.6rem;
  border: none;
  background: transparent;
  border-radius: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.type-toggle button.active {
  background: var(--card);
  box-shadow: var(--shadow);
  color: var(--accent);
}

/* Step buttons */
.step-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-prev {
  background: var(--bg2);
  color: var(--text2);
  border: none;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
}

.btn-next {
  flex: 1;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

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

/* Result View */
#exam-view {
  margin-top: 2rem;
}

.exam-block {
  margin-bottom: 3rem;
}

.block-label {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
}

.ex-container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.ex-header {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.btn-print {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

/* Solution button */
.btn-solution {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-solution:hover {
  background: #1d4ed8;
}

.btn-solution:active {
  transform: scale(0.97);
}

.btn-solution.open {
  background: var(--text2);
}

.solution-panel {
  border-top: 2px solid var(--accent-light);
  background: #f0f7ff;
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
}

.solution-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* AI Resolver */
.ai-resolver-container {
  display: inline-block;
  position: relative;
  vertical-align: top;
}

.btn-ai {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ai:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.ai-options-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  display: none;
  min-width: 150px;
  z-index: 100;
  overflow: hidden;
}

.ai-options-dropdown.open {
  display: block;
  animation: slideDown 0.2s ease-out;
}

.ai-option-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.ai-option-btn:hover {
  background: var(--bg2);
}

.ai-option-icon {
  font-size: 1rem;
}

@media (max-width: 600px) {
  .config-row-body {
    grid-template-columns: 1fr;
  }

  .gen-step {
    padding: 1.5rem;
  }
}

@media print {
  .step-indicator,
  .step-actions,
  .btn-print {
    display: none !important;
  }

  .gen-step {
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .ex-container {
    page-break-inside: avoid;
  }

  /* LaTeX Exam Header */
  #exam-view::before {
    content: "EXAMEN DE MATEMÁTICAS – SELECTIVIDAD 2025\A";
    display: block;
    white-space: pre;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid black;
    padding-bottom: 1rem;
  }

  .exam-block {
    margin-bottom: 2.5rem !important;
    break-inside: avoid;
  }

  .block-label {
    background: transparent !important;
    font-weight: bold !important;
    text-transform: uppercase !important;
    font-size: 1rem !important;
    border: none !important;
    padding: 0 !important;
    margin-bottom: 1rem !important;
    text-decoration: underline;
  }

  .ex-container {
    border: none !important;
    padding: 0 !important;
    margin-bottom: 2rem !important;
    break-inside: auto;
  }

  .ex-header {
    border: none !important;
    margin-bottom: 0.5rem !important;
  }

  body {
    font-family: 'Lora', serif !important;
  }
}