/* =============================================
   manual.css
   Estilos premium para el manual de usuario
   ============================================= */

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

:root {
    --primary: #1A2B6B;
    --primary-light: #2C3E8A;
    --accent: #22C55E;
    --bg: #F8FAFC;
    --text: #0F1623;
    --text-muted: #64748B;
    --border: #E2E8F0;
    
    --warning: #F59E0B;
    --warning-bg: #FEF3C7;
    --danger: #EF4444;
    --danger-bg: #FEE2E2;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, strong {
    font-family: 'Sora', sans-serif;
    color: var(--primary);
}

/* ── NAVBAR (simplificado para el manual) ── */
nav {
    background: #fff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand i {
    color: var(--accent);
}

.btn-back {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.2s;
}

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

/* ── LAYOUT MANUAL ── */
.manual-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

/* ── SIDEBAR ── */
.sidebar {
    position: sticky;
    top: 80px;
    height: calc(100vh - 100px);
    overflow-y: auto;
}

.sidebar h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 0.5rem;
}

.sidebar a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    display: block;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.sidebar a:hover {
    background: #F1F5F9;
    color: var(--primary);
}

.sidebar a.active {
    background: rgba(26, 43, 107, 0.05);
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
}

/* ── CONTENT ── */
.content {
    background: #fff;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.content h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.content h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #F1F5F9;
}

.content h3 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.content p {
    margin-bottom: 1rem;
    color: #334155;
    font-size: 1rem;
}

.content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: #334155;
}

.content li {
    margin-bottom: 0.5rem;
}

/* ── ALERTAS ── */
.alert {
    padding: 1rem 1.2rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.alert-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.alert-warning {
    background: var(--warning-bg);
    border-left: 4px solid var(--warning);
}
.alert-warning .alert-icon, .alert-warning strong { color: #B45309; }
.alert-warning p { color: #92400E; margin: 0; }

.alert-tip {
    background: #EFF6FF;
    border-left: 4px solid #3B82F6;
}
.alert-tip .alert-icon, .alert-tip strong { color: #1D4ED8; }
.alert-tip p { color: #1E3A8A; margin: 0; }

/* ── BADGES & ICONS ── */
.badge {
    background: #F1F5F9;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: monospace;
    color: var(--primary);
    font-weight: bold;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3rem 0;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .manual-container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .sidebar {
        position: static;
        height: auto;
        margin-bottom: 2rem;
        background: #fff;
        padding: 1.5rem;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    }

    .content {
        padding: 1.5rem;
    }
}

/* ── BOTON FLOTANTE PDF ── */
.btn-pdf-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 8px 25px rgba(26, 43, 107, 0.4);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-pdf-float:hover {
    background: #000;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.btn-pdf-float i {
    font-size: 20px;
}

/* Ocultar elementos en la generacion del PDF o Impresion */
@media print {
    nav, .sidebar, .btn-pdf-float {
        display: none !important;
    }
    .manual-container {
        grid-template-columns: 1fr;
        padding: 0;
        margin: 0;
    }
    .content {
        box-shadow: none;
        padding: 0;
        width: 100% !important;
    }
    /* Evitar que se corten secciones a la mitad */
    h2, h3, .alert, .content li, p {
        page-break-inside: avoid;
        break-inside: avoid;
    }
}