:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --bg-base: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-card-hover: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;

  --success-bg: #ecfdf5;
  --success-text: #065f46;
  --success-border: #a7f3d0;

  --warning-bg: #fffbeb;
  --warning-text: #92400e;
  --warning-border: #fde68a;

  --danger-bg: #fef2f2;
  --danger-text: #991b1b;
  --danger-border: #fecaca;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  --bg-base: #0b0f17;
  --bg-card: #151d2a;
  --bg-card-subtle: #1c2638;
  --bg-card-hover: #222e44;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #273549;
  --border-focus: #60a5fa;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.12);
  --primary-border: rgba(59, 130, 246, 0.35);

  --success-bg: rgba(16, 185, 129, 0.14);
  --success-text: #6ee7b7;
  --success-border: rgba(16, 185, 129, 0.3);

  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-text: #fcd34d;
  --warning-border: rgba(245, 158, 11, 0.3);

  --danger-bg: rgba(239, 68, 68, 0.14);
  --danger-text: #fca5a5;
  --danger-border: rgba(239, 68, 68, 0.3);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.6);
}

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

body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Layout Canónico */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Hero Card */
.tool-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 820px;
  margin-bottom: 1.75rem;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Toolbar de Filtros y Búsqueda */
.filter-toolbar-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 2.75rem 0.65rem 2.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-clear-search {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-full);
}

.btn-clear-search:hover {
  background: var(--bg-card-subtle);
  color: var(--text-main);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.tab-btn {
  min-height: 40px;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

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

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  font-weight: 600;
}

.tab-count {
  font-size: 0.775rem;
  opacity: 0.85;
}

.view-mode-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0;
}

.view-mode-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.toggle-buttons {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
}

.btn-view-mode {
  min-height: 36px;
  padding: 0.35rem 0.85rem;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn-view-mode.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Cuadrícula de Tarjetas */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-border);
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.app-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.app-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.app-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

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

.score-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.score-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
}

.score-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.score-high { color: var(--success-text); }
.score-mid { color: var(--warning-text); }
.score-low { color: var(--danger-text); }

.app-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  min-height: 2.6em;
}

.app-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
}

.feature-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.feat-label {
  color: var(--text-muted);
}

.feat-value {
  font-weight: 500;
  text-align: right;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 600;
}

.badge-pill.success {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.badge-pill.warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.badge-pill.danger {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.app-card-footer {
  display: flex;
  gap: 0.75rem;
}

.btn-card-detail {
  flex: 1 1 0%;
  min-height: 40px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn-card-detail:hover {
  background: var(--primary);
  color: #ffffff;
}

/* Tabla Técnica */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tech-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.tech-comparison-table th {
  background: var(--bg-card-subtle);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.tech-comparison-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.tech-comparison-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.th-app {
  position: sticky;
  left: 0;
  background: var(--bg-card-subtle);
  z-index: 2;
}

.td-app-cell {
  position: sticky;
  left: 0;
  background: var(--bg-card);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  white-space: nowrap;
}

.table-logo-circle {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Comparador 1 vs 1 */
.h2h-section, .recommender-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.section-icon-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.h2h-selectors-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card-subtle);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.75rem;
}

.h2h-selector-item {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.h2h-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
}

.h2h-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 0.5rem 2.5rem 0.5rem 0.85rem;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  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='%2364748b' 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 0.85rem center;
  background-size: 16px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.h2h-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.h2h-vs-badge {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--primary);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

/* Resultados H2H */
.h2h-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.h2h-app-column {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.h2h-col-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.h2h-app-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
}

.h2h-scores-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.h2h-score-item {
  background: var(--bg-card);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.h2h-score-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.h2h-score-val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.h2h-diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-top: 1rem;
}

.h2h-diff-table tr {
  border-bottom: 1px solid var(--border-color);
}

.h2h-diff-table td {
  padding: 0.65rem 0.5rem;
}

.h2h-param-name {
  color: var(--text-muted);
  font-size: 0.8rem;
  width: 30%;
}

.h2h-verdict-card {
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.h2h-verdict-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.h2h-verdict-text {
  font-size: 0.925rem;
  color: var(--text-main);
  line-height: 1.5;
}

/* Recomendador Quiz */
.quiz-container {
  display: flex;
  flex-direction: column;
}

.quiz-question-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.quiz-step-tag {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.quiz-question-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}

.quiz-option-btn {
  min-height: 44px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: all 0.15s ease;
  color: var(--text-main);
}

.quiz-option-btn:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.opt-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.opt-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.quiz-results-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quiz-result-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 0.5rem;
}

.quiz-recommendations-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quiz-rec-item {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.quiz-rec-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.quiz-rec-match {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.match-percentage {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
}

.match-label {
  font-size: 0.725rem;
  color: var(--text-muted);
}

/* Guía Educativa y FAQ */
.educational-guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.guide-main-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.guide-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.guide-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.guide-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.55;
}

.guide-card p:last-child {
  margin-bottom: 0;
}

/* Acordeón FAQ */
.faq-accordion-block {
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
}

.faq-section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item[open] {
  border-color: var(--primary-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  color: var(--text-main);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Modal Accesible */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.modal-app-badge-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-app-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  color: #ffffff;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.modal-subtitle {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-full);
}

.btn-close-modal:hover {
  background: var(--bg-card-subtle);
  color: var(--text-main);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background: var(--bg-card-subtle);
}

/* Botones Generales */
.btn-primary {
  min-height: 40px;
  padding: 0.5rem 1.25rem;
  background: var(--primary);
  color: #ffffff;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

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

.btn-secondary {
  min-height: 40px;
  padding: 0.5rem 1.25rem;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.no-results-msg {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* Responsividad */
@media (max-width: 900px) {
  .h2h-selectors-box {
    flex-direction: column;
    align-items: stretch;
  }
  .h2h-vs-badge {
    align-self: center;
    margin: -0.5rem 0;
  }
  .h2h-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .tool-layout {
    padding: 0 0.75rem;
    margin: 1rem auto 2rem;
  }

  .tool-hero-card {
    padding: 1.25rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }

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

  .h2h-section, .recommender-section, .educational-guide-section {
    padding: 1.25rem;
  }

  .quiz-options-grid {
    grid-template-columns: 1fr;
  }

  .quiz-rec-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-rec-match {
    align-self: flex-end;
  }
}