/* ==========================================================================
   eBoss Studio Radio - Manual Oficial de Usuario y Documentación Web
   Diseño Broadcast Suite: Dark Mode (Default) y Light Mode con @media print
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Tema Oscuro Broadcast por Defecto */
    --bg-body: #070a0f;
    --bg-header: rgba(14, 19, 29, 0.88);
    --bg-sidebar: #0b0f17;
    --bg-card: #0f1623;
    --bg-card-alt: #131c2d;
    --bg-input: #090d14;
    --border-color: #1e293b;
    --border-subtle: #162032;

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

    --accent-cyan: #00e5ff;
    --accent-cyan-glow: rgba(0, 229, 255, 0.15);
    --accent-purple: #8b5cf6;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-crimson: #ef4444;

    --sidebar-width: 310px;
    --header-height: 70px;
    --border-radius: 8px;
    --transition-fast: 0.2s ease;
}

[data-theme="light"] {
    --bg-body: #f8fafc;
    --bg-header: rgba(255, 255, 255, 0.92);
    --bg-sidebar: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-alt: #f8fafc;
    --bg-input: #ffffff;
    --border-color: #cbd5e1;
    --border-subtle: #e2e8f0;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-heading: #020617;

    --accent-cyan: #0284c7;
    --accent-cyan-glow: rgba(2, 132, 199, 0.12);
    --accent-purple: #7c3aed;
    --accent-emerald: #059669;
    --accent-amber: #d97706;
    --accent-crimson: #dc2626;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.65;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ==========================================================================
   CABECERA PRINCIPAL (NAVBAR FLOTANTE)
   ========================================================================== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: inherit;
}

.brand-logo-container {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #0d111a;
    border: 2px solid var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
}

.brand-logo-container img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.brand-info h1 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--text-heading);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-info h1 .badge-version {
    font-size: 10px;
    background: #1e293b;
    border: 1px solid var(--border-color);
    color: var(--accent-cyan);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.brand-info p {
    font-size: 11px;
    color: var(--text-muted);
    margin: 0;
}

/* Buscador en Vivo Central */
.search-container {
    position: relative;
    width: 380px;
    max-width: 100%;
}

.search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px 8px 38px;
    font-size: 13.5px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

/* Herramientas de la Cabecera */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-tool {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
    text-decoration: none;
    line-height: 1;
}

.btn-tool:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-1px);
}

.btn-icon-only {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    font-size: 16px;
}

.btn-flags {
    padding: 6px 12px;
    font-size: 13.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.flag-icon {
    width: 18px;
    height: 13px;
    border-radius: 2px;
    vertical-align: middle;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    display: inline-block;
    flex-shrink: 0;
}

.btn-tool.btn-accent {
    background: var(--accent-emerald);
    color: #ffffff;
    border-color: #059669;
}

.btn-tool.btn-accent:hover {
    background: #059669;
    color: #ffffff;
}

/* ==========================================================================
   LAYOUT PRINCIPAL: SIDEBAR + CONTENIDO
   ========================================================================== */
.docs-layout {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Barra Lateral de Navegación */
.sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    left: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 24px 16px 40px 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
    z-index: 900;
}

.nav-group-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    padding: 12px 10px 6px 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition-fast);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: var(--bg-card);
    color: var(--accent-cyan);
}

.nav-link.active {
    background: var(--bg-card-alt);
    color: var(--accent-cyan);
    font-weight: 600;
    border-left: 3px solid var(--accent-cyan);
}

.nav-link .icon {
    font-size: 15px;
    min-width: 18px;
    text-align: center;
}

/* Contenido Principal */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    max-width: 1020px;
    padding: 40px 50px 80px 50px;
}

/* ==========================================================================
   ESTILOS DE CONTENIDO Y TIPOGRAFÍA
   ========================================================================== */
.doc-section {
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-subtle);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.section-tag {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-cyan);
    background: var(--accent-cyan-glow);
    border: 1px solid var(--accent-cyan);
    padding: 2px 8px;
    border-radius: 4px;
}

h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.4px;
    color: var(--text-heading);
    margin: 0;
}

h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-heading);
    margin: 28px 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 20px 0 8px 0;
}

p {
    margin-bottom: 14px;
    color: var(--text-secondary);
}

ul, ol {
    margin: 0 0 16px 24px;
    color: var(--text-secondary);
}

li {
    margin-bottom: 6px;
}

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

/* Teclas y Atajos de Teclado */
kbd {
    background: #1e293b;
    border: 1px solid #334155;
    border-bottom: 2px solid #0f172a;
    color: #38bdf8;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    box-shadow: 0 1px 1px rgba(0,0,0,0.2);
}

/* Cuadros de Alerta y Callouts Broadcast */
.callout {
    border-radius: var(--border-radius);
    padding: 16px 18px;
    margin: 20px 0;
    border-left: 4px solid;
    background: var(--bg-card);
}

.callout-title {
    font-weight: 700;
    font-size: 13.5px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.callout-info {
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.05);
}
.callout-info .callout-title { color: var(--accent-cyan); }

.callout-warning {
    border-color: var(--accent-amber);
    background: rgba(245, 158, 11, 0.06);
}
.callout-warning .callout-title { color: var(--accent-amber); }

.callout-danger {
    border-color: var(--accent-crimson);
    background: rgba(239, 68, 68, 0.06);
}
.callout-danger .callout-title { color: var(--accent-crimson); }

.callout-tip {
    border-color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.06);
}
.callout-tip .callout-title { color: var(--accent-emerald); }

/* Tablas Técnicas Broadcast */
.table-responsive {
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    text-align: left;
}

th {
    background: var(--bg-card-alt);
    color: var(--accent-cyan);
    font-weight: 700;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Cajas de Pasos Numerados (Step-by-Step) */
.step-box {
    display: flex;
    gap: 16px;
    margin: 16px 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #0284c7;
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    margin-top: 0;
    color: var(--text-heading);
}

/* Tarjetas de Fórmulas o Comparativas (Camelot, Presets) */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    transition: var(--transition-fast);
}

.spec-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.spec-card h4 {
    color: var(--accent-cyan);
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Pie de Página de la Documentación */
.doc-footer {
    margin-top: 60px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   SISTEMA BILINGÜE: CLASES DE IDIOMA
   ========================================================================== */
[data-lang="en"] .lang-es { display: none !important; }
[data-lang="es"] .lang-en { display: none !important; }

/* Resaltado de Búsqueda */
.search-highlight {
    background-color: #f59e0b;
    color: #000000;
    font-weight: bold;
    padding: 1px 3px;
    border-radius: 2px;
}

/* ==========================================================================
   ESTILOS DE IMPRESIÓN (@media print - EXPORTACIÓN LIMPIA A PDF)
   ========================================================================== */
@media print {
    body {
        background: #ffffff !important;
        color: #111827 !important;
        font-size: 11pt !important;
        line-height: 1.5 !important;
    }

    .top-navbar,
    .sidebar,
    .btn-tool,
    .search-container {
        display: none !important;
    }

    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .doc-section {
        page-break-inside: avoid;
        border-bottom: 1px solid #d1d5db !important;
        margin-bottom: 30pt !important;
        padding-bottom: 20pt !important;
    }

    h2 {
        color: #0f172a !important;
        font-size: 18pt !important;
        page-break-after: avoid;
    }

    h3 {
        color: #1e293b !important;
        font-size: 14pt !important;
        page-break-after: avoid;
    }

    .callout {
        border-left: 3pt solid #4b5563 !important;
        background: #f3f4f6 !important;
        color: #111827 !important;
        page-break-inside: avoid;
    }

    table, th, td {
        border: 1px solid #9ca3af !important;
        color: #111827 !important;
    }

    th {
        background: #e5e7eb !important;
    }

    a {
        color: #000000 !important;
        text-decoration: underline !important;
    }
}

/* ==========================================================================
   RESPONSIVIDAD MÓVIL Y TABLET
   ========================================================================== */
@media (max-width: 900px) {
    .search-container {
        display: none;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 30px 20px 60px 20px;
    }
}