:root {
      --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --font-title: 'Outfit', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

      --bg-main: #0b0f17;
      --bg-surface: #111827;
      --bg-card: #182234;
      --bg-card-hover: #222f46;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(255, 133, 7, 0.45);

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

      --accent-orange: #ff8507;
      --accent-orange-hover: #e07200;
      --accent-blue: #3b82f6;
      --accent-green: #10b981;
      --accent-purple: #8b5cf6;

      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 24px;
      --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
    }

    [data-theme="light"] {
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-card: #ffffff;
      --bg-card-hover: #f8fafc;
      --border-color: #e2e8f0;
      --border-hover: rgba(255, 133, 7, 0.6);
      --text-primary: #0f172a;
      --text-secondary: #475569;
      --text-muted: #94a3b8;
      --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-primary);
      font-family: var(--font-sans);
      line-height: 1.5;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .tools-hub-container {
      max-width: 2560px;
      margin: 0 auto;
      padding: 2rem 1.5rem 4rem 1.5rem;
      width: 100%;
      flex: 1;
    }

    @media (min-width: 1600px) {
      .tools-hub-container {
        padding: 2.5rem 3rem 5rem 3rem;
      }
    }

    @media (min-width: 2560px) {
      .tools-hub-container {
        max-width: 3400px;
        padding: 3rem 4rem 6rem 4rem;
      }
    }

    /* ============================================================
       HERO BANNER & HEADER
       ============================================================ */
    .tools-hero {
      text-align: center;
      padding: 2rem 1rem 1.5rem 1rem;
      position: relative;
    }

    .tools-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.4rem 0.9rem;
      border-radius: 9999px;
      background: rgba(255, 133, 7, 0.12);
      color: var(--accent-orange);
      border: 1px solid rgba(255, 133, 7, 0.25);
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 1.2rem;
    }

    .tools-hero h1 {
      font-family: var(--font-title);
      font-size: clamp(2.2rem, 4vw, 3.6rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.25;
      padding-bottom: 0.35rem;
      margin-bottom: 1.1rem;
      background: linear-gradient(135deg, #ffffff 40%, #94a3b8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    [data-theme="light"] .tools-hero h1 {
      background: linear-gradient(135deg, #0f172a 40%, #475569 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .tools-hero-desc {
      max-width: 860px;
      margin: 0 auto 1.8rem auto;
      font-size: 1.1rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ============================================================
       PÍLDORAS MÉTRICAS Y CONTADOR DINÁMICO DEL HERO
       ============================================================ */
    .tools-metrics {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      margin: 0 auto 2.25rem auto;
      max-width: 980px;
    }

    .tools-metric-item {
      display: inline-flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.55rem 1.15rem;
      border-radius: 9999px;
      background: rgba(24, 34, 52, 0.65);
      border: 1px solid var(--border-color);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
      transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
      cursor: default;
      user-select: none;
    }

    .tools-metric-item:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 133, 7, 0.35);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25), 0 0 15px rgba(255, 133, 7, 0.08);
    }

    [data-theme="light"] .tools-metric-item {
      background: rgba(255, 255, 255, 0.85);
      border-color: #e2e8f0;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
    }

    [data-theme="light"] .tools-metric-item:hover {
      background: #ffffff;
      border-color: rgba(255, 133, 7, 0.45);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08), 0 0 15px rgba(255, 133, 7, 0.1);
    }

    /* Píldora destacada del contador */
    .tools-metric-item.tools-metric-featured {
      background: linear-gradient(135deg, rgba(255, 133, 7, 0.16), rgba(24, 34, 52, 0.85));
      border-color: rgba(255, 133, 7, 0.4);
      box-shadow: 0 4px 18px rgba(255, 133, 7, 0.12), 0 2px 6px rgba(0, 0, 0, 0.25);
    }

    [data-theme="light"] .tools-metric-item.tools-metric-featured {
      background: linear-gradient(135deg, rgba(255, 133, 7, 0.12), rgba(255, 255, 255, 0.95));
      border-color: rgba(255, 133, 7, 0.45);
      box-shadow: 0 4px 18px rgba(255, 133, 7, 0.1);
    }

    .tools-metric-icon-box {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(255, 133, 7, 0.12);
      color: var(--accent-orange);
      flex-shrink: 0;
    }

    .tools-metric-icon {
      color: var(--accent-orange);
      display: block;
    }

    .tools-metric-text-group {
      display: flex;
      align-items: baseline;
      gap: 0.45rem;
      font-size: 0.9rem;
      color: var(--text-secondary);
      white-space: nowrap;
    }

    .tools-counter-wrap {
      display: inline-flex;
      align-items: baseline;
      gap: 1px;
    }

    .tools-counter-num {
      font-family: var(--font-mono, monospace);
      font-variant-numeric: tabular-nums;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-orange);
      letter-spacing: -0.02em;
      line-height: 1;
    }

    .tools-counter-plus {
      font-family: var(--font-mono, monospace);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent-orange);
      opacity: 0.85;
    }

    .tools-metric-label {
      font-weight: 600;
      color: var(--text-primary);
    }

    .tools-metric-strong {
      font-weight: 700;
      color: var(--text-primary);
    }

    .tools-metric-subtext {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    @media (max-width: 768px) {
      .tools-metrics {
        gap: 0.65rem;
        margin-bottom: 1.75rem;
      }

      .tools-metric-item {
        padding: 0.45rem 0.9rem;
        font-size: 0.82rem;
      }

      .tools-metric-icon-box {
        width: 28px;
        height: 28px;
      }

      .tools-counter-num {
        font-size: 1.1rem;
      }

      .tools-metric-text-group {
        font-size: 0.84rem;
        gap: 0.35rem;
      }
    }

    /* ============================================================
       BUSCADOR STICKY BAJO EL MENÚ PRINCIPAL
       ============================================================ */
    .tools-search-sticky-container {
      position: -webkit-sticky;
      position: sticky;
      top: 64px;
      z-index: 1025;
      width: 100%;
      padding: 0.95rem 0 1.5rem 0;
      margin-bottom: 2.75rem;
      background: rgba(11, 15, 23, 0.78);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 133, 7, 0.18);
      transition: background-color 0.25s ease, backdrop-filter 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
    }

    /* Fondo glassmorphism y realce de presencia cuando la barra está anclada al hacer scroll */
    .tools-search-sticky-container.is-stuck {
      background: rgba(11, 15, 23, 0.95);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1.5px solid rgba(255, 133, 7, 0.45);
      box-shadow: 0 14px 35px -5px rgba(0, 0, 0, 0.75), 0 0 20px rgba(255, 133, 7, 0.1);
      margin-left: -1.5rem;
      margin-right: -1.5rem;
      padding: 1rem 1.5rem 1.5rem 1.5rem;
      width: calc(100% + 3rem);
    }

    @media (min-width: 1600px) {
      .tools-search-sticky-container.is-stuck {
        margin-left: -3rem;
        margin-right: -3rem;
        padding: 1rem 3rem 1.5rem 3rem;
        width: calc(100% + 6rem);
      }
    }

    @media (min-width: 2560px) {
      .tools-search-sticky-container.is-stuck {
        margin-left: -4rem;
        margin-right: -4rem;
        padding: 1rem 4rem 1.5rem 4rem;
        width: calc(100% + 8rem);
      }
    }

    /* Adaptación limpia para pantallas móviles: sin líneas naranjas sobrantes y fondo 100 % opaco */
    @media (max-width: 768px) {
      .tools-search-sticky-container {
        top: 64px;
        padding: 0.65rem 0 0.85rem 0;
        margin-bottom: 1.5rem;
        background: var(--bg-main, #0b0f17);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-bottom: 1px solid var(--border-color);
        box-shadow: none;
      }

      .tools-search-sticky-container.is-stuck {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        padding: 0.65rem 0 0.85rem 0;
        background: var(--bg-main, #0b0f17);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.55);
      }

      [data-theme="light"] .tools-search-sticky-container {
        background: #f8fafc;
        border-bottom-color: var(--border-color);
      }

      [data-theme="light"] .tools-search-sticky-container.is-stuck {
        background: #ffffff;
        border-bottom-color: var(--border-color);
        box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.08);
      }

      .tools-search-wrapper {
        margin-bottom: 0.35rem;
        border: none !important;
        box-shadow: none !important;
      }

      .tools-search-input {
        padding: 0.85rem 2.8rem 0.85rem 2.8rem;
        font-size: 0.95rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
      }

      .tools-search-shortcut {
        display: none !important;
      }
    }

    [data-theme="light"] .tools-search-sticky-container {
      background: rgba(248, 250, 252, 0.88);
      border-bottom-color: rgba(255, 133, 7, 0.2);
    }

    [data-theme="light"] .tools-search-sticky-container.is-stuck {
      background: rgba(255, 255, 255, 0.96);
      border-bottom-color: rgba(255, 133, 7, 0.5);
      box-shadow: 0 14px 30px -5px rgba(0, 0, 0, 0.12), 0 0 15px rgba(255, 133, 7, 0.1);
    }

    .tools-search-sticky-inner {
      max-width: 1400px;
      margin: 0 auto;
      width: 100%;
      position: relative;
    }

    /* ============================================================
       CONTROLES Y BUSCADOR
       ============================================================ */
    .tools-controls {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.25rem;
      margin-bottom: 3.5rem;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      position: relative;
      z-index: 10;
    }

    .tools-search-wrapper {
      position: relative;
      width: 100%;
      margin-bottom: 0.65rem;
    }

    .tools-search-icon {
      position: absolute;
      left: 1.25rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--accent-orange);
      pointer-events: none;
      filter: drop-shadow(0 0 6px rgba(255, 133, 7, 0.45));
    }

    .tools-search-input {
      width: 100%;
      padding: 1rem 3.4rem 1rem 3.4rem;
      background: #161f30;
      border: 1.5px solid rgba(255, 133, 7, 0.45);
      border-radius: var(--radius-md);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 500;
      font-family: inherit;
      outline: none;
      transition: all 0.22s ease;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45), 0 0 16px rgba(255, 133, 7, 0.12);
    }

    .tools-search-input::placeholder {
      color: #94a3b8;
      opacity: 1;
      font-weight: 400;
    }

    .tools-search-input:hover {
      border-color: rgba(255, 133, 7, 0.75);
      background: #1a253a;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 0 22px rgba(255, 133, 7, 0.22);
    }

    .tools-search-input:focus {
      border-color: var(--accent-orange);
      background: #1e2b42;
      box-shadow: 0 0 0 3px rgba(255, 133, 7, 0.35), 0 8px 32px rgba(255, 133, 7, 0.28);
    }

    .tools-search-shortcut {
      position: absolute;
      right: 1.25rem;
      top: 50%;
      transform: translateY(-50%);
      font-family: var(--font-mono);
      font-size: 0.82rem;
      font-weight: 700;
      padding: 0.25rem 0.55rem;
      border-radius: 6px;
      background: rgba(255, 133, 7, 0.18);
      border: 1px solid rgba(255, 133, 7, 0.45);
      color: var(--accent-orange);
      pointer-events: none;
    }

    .tools-search-clear {
      position: absolute;
      right: 3.4rem;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      display: none;
      padding: 4px;
      border-radius: 50%;
    }

    .tools-search-clear:hover {
      color: #ffffff;
    }

    [data-theme="light"] .tools-search-input {
      background: #ffffff;
      border: 1.5px solid rgba(255, 133, 7, 0.55);
      color: #0f172a;
      box-shadow: 0 4px 18px rgba(255, 133, 7, 0.12), 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    [data-theme="light"] .tools-search-input::placeholder {
      color: #475569;
      opacity: 1;
    }

    [data-theme="light"] .tools-search-input:hover {
      border-color: var(--accent-orange);
      box-shadow: 0 6px 22px rgba(255, 133, 7, 0.2), 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    [data-theme="light"] .tools-search-input:focus {
      border-color: var(--accent-orange);
      box-shadow: 0 0 0 3px rgba(255, 133, 7, 0.25), 0 8px 25px rgba(255, 133, 7, 0.2);
    }

    /* Fila de controles secundarios (Ordenación y Modo de vista) */
    .tools-options-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
      padding-bottom: 0.85rem;
      border-bottom: 1px dashed var(--border-color);
    }

    .tools-control-group {
      display: inline-flex;
      align-items: center;
      gap: 0.65rem;
      flex-wrap: wrap;
    }

    .tools-toggle-group {
      display: inline-flex;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 9999px;
      padding: 3px;
      gap: 4px;
    }

    .tools-toggle-btn,
    .tools-view-btn,
    .tools-sort-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.42rem 1.05rem;
      border-radius: 9999px;
      font-size: 0.84rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      background: transparent;
      color: var(--text-secondary);
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .tools-toggle-btn:hover,
    .tools-view-btn:hover,
    .tools-sort-btn:hover {
      color: var(--text-primary);
      background: var(--bg-card-hover);
    }

    .tools-toggle-btn.active,
    .tools-view-btn.active,
    .tools-sort-btn.active {
      background: var(--accent-orange);
      color: #0b0f17 !important;
      font-weight: 700;
      border-color: var(--accent-orange);
      box-shadow: 0 2px 12px rgba(255, 133, 7, 0.35);
    }

    [data-theme="light"] .tools-toggle-btn.active,
    [data-theme="light"] .tools-view-btn.active,
    [data-theme="light"] .tools-sort-btn.active {
      background: var(--accent-orange);
      color: #ffffff !important;
    }

    /* Distintivo de Novedad (Badge "Nuevo") */
    .tool-badge-new {
      position: absolute;
      top: 10px;
      right: 10px;
      background: var(--accent-orange);
      color: #0b0f17;
      font-family: var(--font-title);
      font-size: 0.68rem;
      font-weight: 800;
      letter-spacing: 0.04em;
      padding: 0.22rem 0.6rem;
      border-radius: 9999px;
      box-shadow: 0 4px 14px rgba(255, 133, 7, 0.5);
      z-index: 5;
      pointer-events: none;
      line-height: 1;
      animation: pulseNewBadge 2.5s infinite ease-in-out;
    }

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

    [data-theme="light"] .tool-badge-new {
      color: #ffffff;
      background: #ea580c;
    }

    /* Ajuste para no colisionar badge Nuevo con botón de favorita */
    .tool-card.is-new-tool .tool-badge-new {
      right: 50px;
    }

    /* Botón flotante de favoritas en la carátula de la tarjeta */
    .tool-card-fav-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(11, 15, 23, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #94a3b8;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 6;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
      padding: 0;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
    }

    .tool-card-fav-btn .fav-icon {
      width: 17px;
      height: 17px;
      pointer-events: none;
      transition: transform 0.2s ease;
    }

    .tool-card-fav-btn:hover {
      transform: scale(1.15);
      color: #f59e0b;
      border-color: rgba(245, 158, 11, 0.5);
      background: rgba(15, 23, 42, 0.9);
    }

    .tool-card-fav-btn.is-favorite {
      color: #f59e0b;
      background: rgba(245, 158, 11, 0.2);
      border-color: rgba(245, 158, 11, 0.6);
      box-shadow: 0 0 14px rgba(245, 158, 11, 0.35);
    }

    .tool-card-fav-btn.is-favorite:hover {
      transform: scale(1.18);
      background: rgba(245, 158, 11, 0.3);
      border-color: #f59e0b;
    }

    .tool-card-fav-btn.anim-pop .fav-icon {
      animation: favPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    [data-theme="light"] .tool-card-fav-btn {
      background: rgba(255, 255, 255, 0.88);
      border-color: rgba(0, 0, 0, 0.12);
      color: #64748b;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    [data-theme="light"] .tool-card-fav-btn:hover {
      background: #ffffff;
      color: #d97706;
      border-color: rgba(217, 119, 6, 0.5);
    }

    [data-theme="light"] .tool-card-fav-btn.is-favorite {
      color: #d97706;
      background: rgba(254, 243, 199, 0.95);
      border-color: rgba(217, 119, 6, 0.5);
      box-shadow: 0 2px 10px rgba(217, 119, 6, 0.2);
    }

    /* Distintivo de ejecución (Badge "100 % local" / "Servicio") */
    .tool-badge-category {
      position: absolute;
      top: 10px;
      left: 10px;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-family: var(--font-title);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      padding: 0.22rem 0.6rem;
      border-radius: 9999px;
      z-index: 5;
      pointer-events: none;
      line-height: 1;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .tool-badge-category.badge-local {
      background: rgba(6, 78, 59, 0.78);
      color: #34d399;
      border: 1px solid rgba(52, 211, 153, 0.35);
    }

    .tool-badge-category.badge-local::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 6px #10b981;
    }

    .tool-badge-category.badge-server {
      background: rgba(30, 58, 138, 0.78);
      color: #93c5fd;
      border: 1px solid rgba(96, 165, 250, 0.35);
    }

    .tool-badge-category.badge-server::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #3b82f6;
      box-shadow: 0 0 6px #3b82f6;
    }

    [data-theme="light"] .tool-badge-category.badge-local {
      background: rgba(236, 253, 245, 0.92);
      color: #047857;
      border: 1px solid rgba(16, 185, 129, 0.4);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    [data-theme="light"] .tool-badge-category.badge-server {
      background: rgba(239, 246, 255, 0.92);
      color: #1d4ed8;
      border: 1px solid rgba(59, 130, 246, 0.4);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .tool-card-cta {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      color: var(--accent-orange);
      font-weight: 600;
      transition: gap 0.2s ease;
      margin-left: auto;
    }

    .tool-card:hover .tool-card-cta {
      gap: 0.55rem;
    }

    /* Sección de catálogo cronológico (Últimas añadidas) */
    .tools-recent-section {
      margin-bottom: 3.5rem;
      position: relative;
    }

    .tools-recent-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.25rem;
      padding-bottom: 0.85rem;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .tools-recent-header::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 48px;
      height: 2px;
      background: var(--accent-orange);
      border-radius: 9999px;
    }

    .tools-recent-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.35rem;
      padding-top: 0.5rem;
    }

    @media (min-width: 2100px) {
      .tools-recent-grid {
        grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
      }
    }

    @media (max-width: 640px) {
      .tools-recent-grid {
        grid-template-columns: 1fr;
      }
      .tools-options-bar {
        flex-direction: column;
        align-items: stretch;
      }
      .tools-control-group {
        width: 100%;
        justify-content: space-between;
      }
      .tools-toggle-group {
        width: 100%;
        display: flex;
      }
      .tools-toggle-btn,
      .tools-view-btn,
      .tools-sort-btn {
        flex: 1 1 0%;
        justify-content: center;
        text-align: center;
        min-height: 40px;
      }
    }

    /* Modo Parrilla Global (body.is-all-grid) con soporte para alternancia individual por sección */
    body.is-all-grid .tools-category-section:not(.is-carousel-mode) .tools-carousel-track,
    .tools-category-section.is-grid-expanded .tools-carousel-track,
    body.is-searching-mode .tools-carousel-track {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      overflow-x: visible;
      scroll-snap-type: none;
      gap: 1.35rem;
      padding-bottom: 0.5rem;
      cursor: default;
      user-select: auto;
    }

    body.is-all-grid .tools-category-section:not(.is-carousel-mode) .tools-carousel-track .tool-card,
    .tools-category-section.is-grid-expanded .tool-card,
    body.is-searching-mode .tool-card {
      flex: 1 1 auto;
      scroll-snap-align: none;
    }

    body.is-all-grid .tools-category-section:not(.is-carousel-mode) .carousel-nav-btn,
    .tools-category-section.is-grid-expanded .carousel-nav-btn,
    body.is-searching-mode .carousel-nav-btn {
      display: none !important;
    }

    body.is-all-grid .tools-category-section:not(.is-carousel-mode) .tool-card-explore-more,
    .tools-category-section.is-grid-expanded .tool-card-explore-more,
    body.is-searching-mode .tool-card-explore-more {
      display: none !important;
    }

    .tools-categories {
      display: flex;
      gap: 0.5rem;
      overflow-x: auto;
      padding-bottom: 0.3rem;
      scrollbar-width: thin;
      flex-wrap: wrap;
    }

    .tools-category-btn {
      padding: 0.45rem 0.95rem;
      border-radius: 9999px;
      background: transparent;
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 0.84rem;
      font-weight: 500;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.2s ease;
      font-family: inherit;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
    }

    .tools-category-btn:hover {
      background: var(--bg-card);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.15);
    }

    .tools-category-btn.active {
      background: var(--accent-orange);
      color: #0b0f17 !important;
      border-color: var(--accent-orange);
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(255, 133, 7, 0.35);
    }

    .category-pill-count {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono, 'JetBrains Mono', monospace);
      font-size: 0.72rem;
      font-weight: 600;
      line-height: 1;
      padding: 0.16rem 0.42rem;
      border-radius: 9999px;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-muted);
      border: 1px solid rgba(255, 255, 255, 0.07);
      transition: all 0.2s ease;
      letter-spacing: -0.02em;
    }

    .tools-category-btn:hover .category-pill-count {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.14);
      border-color: rgba(255, 255, 255, 0.15);
    }

    .tools-category-btn.active .category-pill-count {
      background: rgba(11, 15, 23, 0.18);
      color: #0b0f17;
      border-color: rgba(11, 15, 23, 0.25);
      font-weight: 700;
    }

    [data-theme="light"] .category-pill-count {
      background: rgba(0, 0, 0, 0.05);
      color: #64748b;
      border-color: rgba(0, 0, 0, 0.06);
    }

    [data-theme="light"] .tools-category-btn:hover .category-pill-count {
      background: rgba(0, 0, 0, 0.09);
      color: #1e293b;
    }

    [data-theme="light"] .tools-category-btn.active .category-pill-count {
      background: rgba(255, 255, 255, 0.35);
      color: #0b0f17;
      border-color: rgba(255, 255, 255, 0.45);
    }

    /* ============================================================
       SECCIONES DE CATEGORÍA CON CARRUSELES MULTITARJETA ELEGANTES
       ============================================================ */
    .tools-category-section {
      margin-bottom: 3.5rem;
      position: relative;
    }

    .tools-category-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.25rem;
      padding-bottom: 0.85rem;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .tools-category-header::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 48px;
      height: 2px;
      background: var(--accent-orange);
      border-radius: 9999px;
    }

    .tools-category-title-group {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      flex-wrap: wrap;
    }

    .tools-category-title-group svg {
      color: var(--accent-orange);
      flex-shrink: 0;
    }

    .tools-category-title-group h2 {
      font-family: var(--font-title);
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0;
      line-height: 1.25;
    }

    .tools-category-count {
      font-size: 0.72rem;
      font-weight: 700;
      padding: 0.15rem 0.55rem;
      border-radius: 9999px;
      background: rgba(255, 133, 7, 0.14);
      color: var(--accent-orange);
      border: 1px solid rgba(255, 133, 7, 0.3);
      letter-spacing: 0.02em;
    }

    [data-theme="light"] .tools-category-count {
      background: #fff7ed;
      color: #c2410c;
      border-color: #ffedd5;
    }

    /* Estilos para la sección de favoritas en el catálogo */
    .tools-favorites-section {
      background: rgba(245, 158, 11, 0.03);
      border: 1px solid rgba(245, 158, 11, 0.2);
      border-radius: 16px;
      padding: 1.25rem 1.25rem 0.5rem 1.25rem;
      margin-bottom: 2.5rem;
    }

    [data-theme="light"] .tools-favorites-section {
      background: rgba(254, 243, 199, 0.4);
      border-color: rgba(217, 119, 6, 0.25);
    }

    .tools-favorites-section .tools-category-header::after {
      background: #f59e0b;
    }

    .tools-favorites-section .tools-category-count {
      background: rgba(245, 158, 11, 0.15);
      color: #f59e0b;
      border-color: rgba(245, 158, 11, 0.35);
    }

    [data-theme="light"] .tools-favorites-section .tools-category-count {
      background: #fef3c7;
      color: #b45309;
      border-color: #fde68a;
    }

    /* Pestaña de favoritas en la barra de categorías */
    .tools-category-btn.btn-nav-favorites {
      border-color: rgba(245, 158, 11, 0.35);
      background: rgba(245, 158, 11, 0.08);
    }

    .tools-category-btn.btn-nav-favorites:hover {
      border-color: #f59e0b;
      background: rgba(245, 158, 11, 0.16);
    }

    .tools-category-btn.btn-nav-favorites.active {
      background: #f59e0b;
      color: #0b0f17;
      border-color: #f59e0b;
    }

    .tools-category-btn.btn-nav-favorites.active svg {
      color: #0b0f17 !important;
    }

    .tools-category-btn.btn-nav-favorites.active .category-pill-count {
      background: rgba(0, 0, 0, 0.2);
      color: #0b0f17;
      border-color: transparent;
    }


    .btn-toggle-grid {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.38rem 0.85rem;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .btn-toggle-grid .grid-toggle-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 1;
    }

    .btn-toggle-grid:hover {
      background: var(--bg-card-hover);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* Envoltura del carrusel con flechas de avance */
    .carousel-outer-wrapper {
      position: relative;
      width: 100%;
    }

    .carousel-nav-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(15, 20, 28, 0.92);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 10;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
      transition: all 0.22s ease;
      opacity: 0;
      pointer-events: none;
    }

    .carousel-outer-wrapper:hover .carousel-nav-btn {
      opacity: 1;
      pointer-events: auto;
    }

    .carousel-nav-btn.prev {
      left: -16px;
    }

    .carousel-nav-btn.next {
      right: -16px;
    }

    .carousel-nav-btn:hover {
      background: var(--accent-orange);
      color: #0b0f17;
      border-color: var(--accent-orange);
      transform: translateY(-50%) scale(1.1);
      box-shadow: 0 8px 28px rgba(255, 133, 7, 0.45);
    }

    [data-theme="light"] .carousel-nav-btn {
      background: rgba(255, 255, 255, 0.96);
      border-color: #cbd5e1;
      color: #0f172a;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    }

    [data-theme="light"] .carousel-nav-btn:hover {
      background: var(--accent-orange);
      color: #ffffff;
    }

    /* Pista de tarjetas (Scroll-Snap fluido + Arrastre con ratón) */
    .tools-carousel-track {
      display: flex;
      gap: 1.35rem;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      padding: 0.6rem 0.2rem 1.4rem 0.2rem;
      scrollbar-width: thin;
      scrollbar-color: rgba(255, 133, 7, 0.35) transparent;
      -webkit-overflow-scrolling: touch;
      cursor: grab;
      user-select: none;
      -webkit-user-select: none;
    }

    .tools-carousel-track.is-dragging {
      cursor: grabbing !important;
      scroll-behavior: auto !important;
      scroll-snap-type: none !important;
      user-select: none !important;
      -webkit-user-select: none !important;
    }

    .tools-carousel-track::-webkit-scrollbar {
      height: 6px;
    }

    .tools-carousel-track::-webkit-scrollbar-thumb {
      background: rgba(255, 133, 7, 0.3);
      border-radius: 4px;
    }

    .tools-carousel-track::-webkit-scrollbar-thumb:hover {
      background: var(--accent-orange);
    }

    /* Modo Cuadrícula Expandida / Búsqueda */
    .tools-category-section.is-grid-expanded .tools-carousel-track,
    body.is-searching-mode .tools-carousel-track {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      overflow-x: visible;
      scroll-snap-type: none;
      gap: 1.35rem;
      padding-bottom: 0.5rem;
      cursor: default;
      user-select: auto;
    }

    .tools-category-section.is-grid-expanded .carousel-nav-btn,
    body.is-searching-mode .carousel-nav-btn {
      display: none !important;
    }

    @media (min-width: 2100px) {
      body.is-all-grid .tools-category-section:not(.is-carousel-mode) .tools-carousel-track,
      .tools-category-section.is-grid-expanded .tools-carousel-track,
      body.is-searching-mode .tools-carousel-track {
        grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
      }
    }

    @media (max-width: 640px) {
      body.is-all-grid .tools-category-section:not(.is-carousel-mode) .tools-carousel-track,
      .tools-category-section.is-grid-expanded .tools-carousel-track,
      body.is-searching-mode .tools-carousel-track {
        grid-template-columns: 1fr;
      }
    }

    /* ============================================================
       TARJETA DE HERRAMIENTA PREMIUM (.tool-card)
       ============================================================ */
    .tool-card {
      flex: 0 0 320px;
      scroll-snap-align: start;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      text-decoration: none;
      color: inherit;
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.45);
      position: relative;
      transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
    }

    @media (max-width: 500px) {
      .tool-card {
        flex: 0 0 280px;
      }
    }

    .tools-category-section.is-grid-expanded .tool-card,
    body.is-searching-mode .tool-card {
      flex: 1 1 auto;
      scroll-snap-align: none;
    }

    .tool-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-6px);
      box-shadow: 0 18px 38px -8px rgba(255, 133, 7, 0.25), 0 0 0 1px rgba(255, 133, 7, 0.2);
    }

    [data-theme="light"] .tool-card {
      background: #ffffff;
      border-color: #e2e8f0;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    }

    [data-theme="light"] .tool-card:hover {
      background: #f8fafc;
      border-color: var(--accent-orange);
      box-shadow: 0 18px 36px -8px rgba(255, 133, 7, 0.2);
    }

    /* Carátula WebP 16:10 en la parte superior */
    .tool-card-banner {
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #080c14;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .tool-card-banner-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: top center;
      transition: transform 0.35s ease;
      display: block;
      -webkit-user-drag: none;
      user-drag: none;
    }

    .tool-card:hover .tool-card-banner-img {
      transform: scale(1.05);
    }

    /* Contenido textual de la tarjeta */
    .tool-card-content {
      padding: 1.15rem 1.25rem 1.25rem 1.25rem;
      display: flex;
      flex-direction: column;
      flex: 1;
      justify-content: space-between;
    }

    .tool-card-title {
      font-family: var(--font-title);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.35;
      min-height: 2.7em;
      max-height: 2.7em;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 0.4rem;
    }

    .tool-card-desc {
      font-size: 0.84rem;
      color: var(--text-secondary);
      line-height: 1.42;
      min-height: 2.85em;
      max-height: 2.85em;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 1rem;
    }

    .tool-card-footer {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      padding-top: 0.75rem;
      border-top: 1px solid var(--border-color);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--accent-orange);
    }

    .tool-card-footer span {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      transition: gap 0.2s ease;
    }

    .tool-card:hover .tool-card-footer span {
      gap: 0.55rem;
    }

    /* Tarjeta final del carrusel: "Ver todas" */
    .tool-card-explore-more {
      flex: 0 0 230px;
      scroll-snap-align: start;
      background: linear-gradient(135deg, rgba(255, 133, 7, 0.08) 0%, rgba(24, 34, 52, 0.6) 100%);
      border: 1px dashed rgba(255, 133, 7, 0.35);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      cursor: pointer;
      transition: all 0.22s ease;
      color: inherit;
    }

    .tool-card-explore-more:hover {
      background: linear-gradient(135deg, rgba(255, 133, 7, 0.16) 0%, rgba(24, 34, 52, 0.8) 100%);
      border-color: var(--accent-orange);
      transform: translateY(-4px);
    }

    .tool-card-explore-icon {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: rgba(255, 133, 7, 0.15);
      color: var(--accent-orange);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.85rem;
    }

    .tool-card-explore-more h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.35rem;
    }

    .tool-card-explore-more p {
      font-size: 0.78rem;
      color: var(--text-secondary);
      margin: 0;
    }

    .tools-category-section.is-grid-expanded .tool-card-explore-more,
    body.is-searching-mode .tool-card-explore-more {
      display: none;
    }

    /* Estado sin resultados */
    .tools-no-results {
      text-align: center;
      padding: 3.5rem 2rem;
      background: var(--bg-surface);
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-lg);
      display: none;
      margin: 1.5rem 0;
    }

    .tools-no-results h3 {
      font-size: 1.2rem;
      margin-bottom: 0.5rem;
      color: var(--text-primary);
    }

    .tools-no-results p {
      color: var(--text-secondary);
      margin-bottom: 1.25rem;
      font-size: 0.9rem;
    }

    .tools-no-results-suggestions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      justify-content: center;
      margin: 1rem auto 1.75rem;
      max-width: 600px;
    }

    .btn-search-suggestion {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.82rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .btn-search-suggestion:hover {
      border-color: var(--accent-orange);
      color: var(--accent-orange);
      background: rgba(255, 133, 7, 0.08);
      transform: translateY(-2px);
    }

    /* ============================================================
       BANNER DE PRIVACIDAD & FAQ
       ============================================================ */
    .tools-privacy-section {
      margin-top: 4.5rem;
      background: linear-gradient(135deg, rgba(255, 133, 7, 0.08) 0%, rgba(59, 130, 246, 0.05) 100%);
      border: 1px solid rgba(255, 133, 7, 0.2);
      border-radius: var(--radius-lg);
      padding: 2.5rem 2rem;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 2rem;
    }

    @media (max-width: 900px) {
      .tools-privacy-section {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }
    }

    .privacy-feature h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.4rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .privacy-feature h3 svg {
      color: var(--accent-orange);
    }

    .privacy-feature p {
      font-size: 0.86rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    .tools-faq-section {
      margin-top: 4rem;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2.5rem 2rem;
      box-shadow: var(--shadow-card);
    }

    .tools-faq-header {
      text-align: center;
      margin-bottom: 2.2rem;
    }

    .tools-faq-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.35rem 0.8rem;
      border-radius: 9999px;
      background: rgba(59, 130, 246, 0.12);
      color: #60a5fa;
      border: 1px solid rgba(59, 130, 246, 0.25);
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 0.8rem;
    }

    .tools-faq-header h2 {
      font-family: var(--font-title);
      font-size: clamp(1.4rem, 3vw, 2rem);
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .tools-faq-header p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      max-width: 680px;
      margin: 0 auto;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.4rem;
    }

    @media (min-width: 1400px) {
      .faq-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
      }
    }

    @media (max-width: 850px) {
      .faq-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
      }
    }

    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.4rem;
      transition: all 0.22s ease;
    }

    .faq-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.2);
    }

    .faq-card h3 {
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.55rem;
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
      line-height: 1.35;
    }

    .faq-card h3 svg {
      color: var(--accent-orange);
      flex-shrink: 0;
      margin-top: 2px;
    }

    .faq-card p {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* Botón flotante cambio tema */
    .theme-toggle-btn {
      position: fixed;
      bottom: 25px;
      right: 25px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      transition: all 0.2s ease;
    }

    .theme-toggle-btn:hover {
      transform: scale(1.08);
      border-color: var(--accent-orange);
    }