/* ============================================================
   BIBLIOTECA v1.0 — Estilos principales
   Sistema visual MUNIPORTALES
   Fuente: Inter (Google Fonts) | Iconos: Font Awesome 6.5
   ============================================================ */

/* ── Variables CSS ──────────────────────────────────────────── */
:root {
    --navbar-bg:      #0345bf;
    --navbar-text:    #ffffff;
    --sidebar-bg:     #f0f4ff;
    --sidebar-text:   #1a1a2e;
    --footer-bg:      #0345bf;
    --footer-text:    #ffffff;
    --btn-primary:    #0345bf;
    --font-family:    'Inter', sans-serif;

    /* Derivados */
    --btn-primary-hover:  color-mix(in srgb, var(--btn-primary) 80%, black 20%);
    --navbar-border:      color-mix(in srgb, var(--navbar-bg) 80%, black 20%);
    --sidebar-border:     color-mix(in srgb, var(--sidebar-bg) 85%, var(--sidebar-text) 15%);
    --sidebar-active-bg:  var(--btn-primary);
    --sidebar-active-text:#ffffff;
    --sidebar-hover-bg:   color-mix(in srgb, var(--sidebar-bg) 60%, var(--btn-primary) 40%);

    /* Superficie y fondo */
    --bg-main:        #f4f6fb;
    --surface:        #ffffff;
    --surface-alt:    #f8fbff;
    --border-color:   #d9e2ec;
    --text-primary:   #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted:     #718096;

    /* Semánticos */
    --success: #16a34a;
    --warning: #d97706;
    --danger:  #dc2626;
    --info:    #0891b2;

    /* Layout */
    --sidebar-width:  260px;
    --navbar-height:  60px;
    --radius:         12px;
    --radius-sm:      8px;
    --shadow:         0 2px 8px rgba(0,0,0,.08);
    --shadow-md:      0 4px 16px rgba(0,0,0,.12);
    --transition:     .2s ease;
}

/* ── Reset y base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--btn-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ════════════════════════════════════════════════════════════
   LAYOUT: NAVBAR + SIDEBAR + MAIN
   ════════════════════════════════════════════════════════════ */

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background: var(--navbar-bg);
    color: var(--navbar-text);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    gap: 1rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--navbar-text);
    text-decoration: none;
    white-space: nowrap;
}
.navbar-brand i { font-size: 1.3rem; opacity: .9; }
.navbar-brand span.app-version {
    font-size: .65rem;
    opacity: .6;
    font-weight: 400;
    align-self: flex-end;
    margin-bottom: 2px;
}

.navbar-spacer { flex: 1; }

.navbar-user {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .875rem;
    color: var(--navbar-text);
}
.navbar-user .user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
    font-size: .9rem;
    border: 2px solid rgba(255,255,255,.3);
}
.navbar-user .user-info { text-align: right; line-height: 1.3; }
.navbar-user .user-name { font-weight: 600; font-size: .875rem; }
.navbar-user .user-rol  { font-size: .72rem; opacity: .75; }

.navbar-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-left: .5rem;
}
.navbar-actions a {
    color: var(--navbar-text);
    opacity: .8;
    padding: .4rem .6rem;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    transition: background var(--transition), opacity var(--transition);
}
.navbar-actions a:hover {
    background: rgba(255,255,255,.15);
    opacity: 1;
    text-decoration: none;
}
.navbar-toggle {
    background: none; border: none; cursor: pointer;
    color: var(--navbar-text); font-size: 1.2rem;
    padding: .3rem .5rem; border-radius: 6px;
    display: none;
}
.navbar-toggle:hover { background: rgba(255,255,255,.15); }

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    border-right: 1px solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 900;
    transition: transform var(--transition);
    padding-bottom: 2rem;
}

.sidebar-section { padding: 1.25rem 1rem .5rem; }
.sidebar-section-title {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 .5rem;
    margin-bottom: .4rem;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li { margin: 2px 0; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .75rem;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-size: .875rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}
.sidebar-nav a i {
    width: 18px; text-align: center;
    font-size: .9rem;
    opacity: .7;
    flex-shrink: 0;
}
.sidebar-nav a:hover {
    background: var(--sidebar-hover-bg);
    color: var(--sidebar-text);
    text-decoration: none;
}
.sidebar-nav a.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
    font-weight: 600;
}
.sidebar-nav a.active i { opacity: 1; }

.sidebar-divider {
    border: none;
    border-top: 1px solid var(--sidebar-border);
    margin: .75rem 1rem;
}

/* ── Main content ───────────────────────────────────────────── */
.layout-wrapper {
    margin-left: var(--sidebar-width);
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    flex-direction: column;
}
.main-content {
    flex: 1;
    padding: 1.75rem 2rem;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: .9rem 2rem;
    font-size: .78rem;
    opacity: .9;
    margin-top: auto;
}
.footer a { color: var(--footer-text); opacity: .8; }
.footer a:hover { opacity: 1; }

/* ════════════════════════════════════════════════════════════
   COMPONENTES UI
   ════════════════════════════════════════════════════════════ */

/* ── Page header ────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.page-header-left { display: flex; align-items: center; gap: .75rem; }
.page-header-icon {
    width: 42px; height: 42px;
    background: color-mix(in srgb, var(--btn-primary) 12%, transparent);
    color: var(--btn-primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.page-subtitle {
    font-size: .82rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--btn-primary); }
.breadcrumb i.sep { font-size: .6rem; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    background: var(--surface-alt);
}
.card-header h3, .card-header h4 {
    font-size: .95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: .5rem;
}
.card-header h3 i, .card-header h4 i { color: var(--btn-primary); }
.card-body { padding: 1.25rem; }
.card-footer {
    padding: .9rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--surface-alt);
    font-size: .85rem;
}

/* ── KPI / Stat cards ───────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}
.kpi-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    transition: box-shadow var(--transition), transform var(--transition);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.kpi-icon.blue    { background: #dbeafe; color: #1d4ed8; }
.kpi-icon.green   { background: #dcfce7; color: #15803d; }
.kpi-icon.purple  { background: #ede9fe; color: #7c3aed; }
.kpi-icon.orange  { background: #ffedd5; color: #c2410c; }
.kpi-icon.cyan    { background: #cffafe; color: #0e7490; }
.kpi-icon.gold    { background: #fef9c3; color: #a16207; }
.kpi-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.kpi-label { font-size: .78rem; color: var(--text-muted); margin-top: 3px; }

/* ── Tablas ──────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
table th {
    background: var(--surface-alt);
    color: var(--text-secondary);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    padding: .75rem 1rem;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    text-align: left;
}
table td {
    padding: .7rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}
table tr:last-child td { border-bottom: none; }
table tbody tr:hover { background: var(--surface-alt); }

/* Acciones en tabla */
.table-actions { display: flex; gap: .35rem; flex-wrap: wrap; }

/* ── Formularios ────────────────────────────────────────────── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.1rem;
}
.form-grid.cols-1 { grid-template-columns: 1fr; }
.form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group.col-full { grid-column: 1 / -1; }

label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: .3rem;
}
label .required { color: var(--danger); }
label i { color: var(--btn-primary); font-size: .85em; }

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="url"],
input[type="search"], select, textarea {
    width: 100%;
    padding: .6rem .85rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: .875rem;
    color: var(--text-primary);
    background: var(--surface);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--btn-primary) 15%, transparent);
}
input::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 90px; }
select { cursor: pointer; }

.form-hint { font-size: .75rem; color: var(--text-muted); }
.form-error { font-size: .75rem; color: var(--danger); }

/* Checkbox y radio */
.check-group { display: flex; flex-direction: column; gap: .4rem; }
.check-label {
    display: flex; align-items: center;
    gap: .5rem; cursor: pointer;
    font-size: .875rem; font-weight: 400;
    color: var(--text-primary);
}
.check-label input[type="checkbox"],
.check-label input[type="radio"] {
    width: 16px; height: 16px;
    cursor: pointer;
    accent-color: var(--btn-primary);
}

/* Flags de plan en formulario */
.plan-flags { display: flex; gap: 1rem; flex-wrap: wrap; }
.plan-flag-item {
    display: flex; align-items: center; gap: .5rem;
    padding: .5rem .9rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: .875rem;
    user-select: none;
}
.plan-flag-item:has(input:checked) {
    border-color: var(--btn-primary);
    background: color-mix(in srgb, var(--btn-primary) 8%, transparent);
}
.plan-flag-item input { accent-color: var(--btn-primary); }

/* ── Botones ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .55rem 1.1rem;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.97); }

.btn-primary {
    background: var(--btn-primary);
    color: #fff;
    border-color: var(--btn-primary);
}
.btn-primary:hover { background: var(--btn-primary-hover); border-color: var(--btn-primary-hover); }

.btn-secondary {
    background: var(--surface-alt);
    color: var(--text-secondary);
    border-color: var(--border-color);
}
.btn-secondary:hover { background: var(--border-color); }

.btn-success  { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #15803d; }

.btn-danger   { background: var(--danger);  color: #fff; border-color: var(--danger); }
.btn-danger:hover  { background: #b91c1c; }

.btn-warning  { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #b45309; }

.btn-info     { background: var(--info);    color: #fff; border-color: var(--info); }
.btn-info:hover    { background: #0e7490; }

.btn-outline-primary {
    background: transparent;
    color: var(--btn-primary);
    border-color: var(--btn-primary);
}
.btn-outline-primary:hover {
    background: var(--btn-primary);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}
.btn-ghost:hover { background: var(--border-color); }

/* Tamaños */
.btn-sm { padding: .35rem .75rem; font-size: .78rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: 1rem; }
.btn-icon { padding: .45rem .55rem; }
.btn-block { width: 100%; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .2rem .55rem;
    border-radius: 20px;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .03em;
    white-space: nowrap;
    line-height: 1.4;
}
.badge-success   { background: #dcfce7; color: #15803d; }
.badge-danger    { background: #fee2e2; color: #991b1b; }
.badge-warning   { background: #fef9c3; color: #92400e; }
.badge-info      { background: #cffafe; color: #0e7490; }
.badge-secondary { background: #f1f5f9; color: #475569; }
.badge-primary   { background: color-mix(in srgb,var(--btn-primary) 15%,transparent); color: var(--btn-primary); }

/* Planes */
.badge-basico  { background: #dbeafe; color: #1d4ed8; }
.badge-pro     { background: #ede9fe; color: #5b21b6; }
.badge-premium { background: #fef9c3; color: #92400e; }

/* ── Alertas / Flash ────────────────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .9rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    border-left: 4px solid;
    margin-bottom: 1.25rem;
}
.alert i { font-size: 1rem; margin-top: 1px; flex-shrink: 0; }
.alert-success { background: #f0fdf4; border-color: var(--success); color: #14532d; }
.alert-success i { color: var(--success); }
.alert-error, .alert-danger {
    background: #fef2f2; border-color: var(--danger); color: #7f1d1d;
}
.alert-error i, .alert-danger i { color: var(--danger); }
.alert-warning { background: #fffbeb; border-color: var(--warning); color: #78350f; }
.alert-warning i { color: var(--warning); }
.alert-info { background: #ecfeff; border-color: var(--info); color: #164e63; }
.alert-info i { color: var(--info); }
.alert-close {
    margin-left: auto; background: none; border: none;
    cursor: pointer; opacity: .6; font-size: 1rem; padding: 0 .2rem;
    flex-shrink: 0; color: inherit;
}
.alert-close:hover { opacity: 1; }

/* ── Paginación ─────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1rem 0 .5rem;
}
.pagination ul {
    display: flex; gap: .25rem; list-style: none;
}
.pagination li a, .pagination li.active {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}
.pagination li a:hover {
    background: var(--btn-primary); color: #fff;
    border-color: var(--btn-primary); text-decoration: none;
}
.pagination li.active {
    background: var(--btn-primary); color: #fff;
    border-color: var(--btn-primary);
    pointer-events: none; font-weight: 700;
}
.pagination li.ellipsis {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; color: var(--text-muted);
}
.pagination-info { font-size: .8rem; color: var(--text-muted); }

/* ── Filtros / Search bar ───────────────────────────────────── */
.filter-bar {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    align-items: flex-end;
}
.filter-bar .filter-group { display: flex; flex-direction: column; gap: .25rem; flex: 1; min-width: 160px; }
.filter-bar label { font-size: .75rem; }
.filter-bar .filter-actions { display: flex; gap: .5rem; align-items: flex-end; }

.search-input-wrapper {
    position: relative;
    display: flex; align-items: center;
}
.search-input-wrapper i {
    position: absolute; left: .75rem;
    color: var(--text-muted); font-size: .9rem;
    pointer-events: none;
}
.search-input-wrapper input { padding-left: 2.3rem; }

/* ── Resource cards (listado de recursos) ───────────────────── */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.1rem;
}
.resource-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}
.resource-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.resource-card-header {
    padding: .9rem 1.1rem;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: .75rem;
}
.resource-card-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.resource-card-meta { flex: 1; min-width: 0; }
.resource-card-meta .rc-tipo {
    font-size: .68rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .07em; color: var(--text-muted); margin-bottom: 1px;
}
.resource-card-meta .rc-codigo {
    font-size: .72rem; color: var(--text-muted);
}
.resource-card-body { padding: 1rem 1.1rem; flex: 1; }
.resource-card-title {
    font-size: .92rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: .4rem; line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.resource-card-desc {
    font-size: .8rem; color: var(--text-muted); line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.resource-card-footer {
    padding: .75rem 1.1rem;
    border-top: 1px solid var(--border-color);
    background: var(--surface-alt);
    display: flex; align-items: center; justify-content: space-between;
    gap: .5rem; flex-wrap: wrap;
}
.resource-card-badges { display: flex; gap: .3rem; flex-wrap: wrap; }
.resource-card-downloads {
    font-size: .75rem; color: var(--text-muted);
    display: flex; align-items: center; gap: .3rem;
}

/* Vista tabla de recursos */
.resource-tipo-icon {
    width: 32px; height: 32px;
    border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: .85rem; flex-shrink: 0;
}

/* ── Detail view ────────────────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
    align-items: start;
}
.detail-info dt {
    font-size: .75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .06em; color: var(--text-muted); margin-bottom: 2px;
}
.detail-info dd { color: var(--text-primary); margin-bottom: .85rem; }

/* Archivos adjuntos */
.file-list { display: flex; flex-direction: column; gap: .5rem; }
.file-item {
    display: flex; align-items: center; gap: .75rem;
    padding: .75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.file-item:hover { border-color: var(--btn-primary); background: var(--surface-alt); }
.file-item-icon { font-size: 1.5rem; flex-shrink: 0; }
.file-item-info { flex: 1; min-width: 0; }
.file-item-name { font-size: .875rem; font-weight: 600; color: var(--text-primary); }
.file-item-meta { font-size: .75rem; color: var(--text-muted); }
.file-item-actions { display: flex; gap: .35rem; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5); backdrop-filter: blur(2px);
    z-index: 2000;
    display: flex; align-items: center; justify-content: center;
    padding: 1rem;
}
.modal-overlay.hidden { display: none; }
.modal {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    width: 100%; max-width: 540px;
    max-height: 90vh; overflow-y: auto;
}
.modal-header {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 {
    font-size: 1rem; font-weight: 700;
    display: flex; align-items: center; gap: .5rem;
}
.modal-body { padding: 1.25rem; }
.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex; justify-content: flex-end; gap: .5rem;
}
.modal-close {
    background: none; border: none; cursor: pointer;
    font-size: 1.2rem; color: var(--text-muted);
    padding: .2rem; border-radius: 4px;
}
.modal-close:hover { color: var(--danger); background: #fee2e2; }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}
.empty-state i { font-size: 3rem; opacity: .3; margin-bottom: .75rem; }
.empty-state h3 { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: .5rem; }
.empty-state p { font-size: .875rem; }

/* ── Tabs ───────────────────────────────────────────────────── */
.tabs { display: flex; border-bottom: 2px solid var(--border-color); gap: 0; margin-bottom: 1.25rem; }
.tab-btn {
    padding: .6rem 1.1rem;
    background: none; border: none;
    font-family: var(--font-family);
    font-size: .875rem; font-weight: 600;
    color: var(--text-muted); cursor: pointer;
    border-bottom: 2px solid transparent; margin-bottom: -2px;
    transition: all var(--transition);
}
.tab-btn:hover { color: var(--btn-primary); }
.tab-btn.active { color: var(--btn-primary); border-bottom-color: var(--btn-primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── PDF viewer ─────────────────────────────────────────────── */
.pdf-embed-wrapper {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #525659;
}
.pdf-embed-wrapper iframe, .pdf-embed-wrapper embed {
    display: block; width: 100%;
    min-height: 600px; border: none;
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--btn-primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Plan badge locked ──────────────────────────────────────── */
.resource-locked {
    position: relative;
    opacity: .65;
}
.resource-locked::after {
    content: '\f023';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: .5rem; right: .5rem;
    color: var(--warning);
    font-size: 1rem;
}

/* ── Favorito btn ───────────────────────────────────────────── */
.fav-btn {
    background: none; border: none; cursor: pointer;
    padding: .3rem; font-size: 1.1rem;
    color: var(--text-muted); transition: color var(--transition);
}
.fav-btn:hover, .fav-btn.active { color: #e11d48; }

/* ── Login page ─────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navbar-bg) 0%, color-mix(in srgb,var(--navbar-bg) 60%, #000) 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 1.5rem;
}
.login-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    width: 100%; max-width: 420px;
    overflow: hidden;
}
.login-card-header {
    background: var(--navbar-bg);
    color: var(--navbar-text);
    text-align: center;
    padding: 2rem 1.5rem 1.5rem;
}
.login-card-header .logo-icon {
    font-size: 2.5rem; margin-bottom: .5rem; opacity: .9;
}
.login-card-header h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: .05em; }
.login-card-header p { font-size: .82rem; opacity: .8; margin-top: .25rem; }
.login-card-body { padding: 1.75rem; }
.login-footer-note {
    text-align: center; font-size: .78rem; color: var(--text-muted); margin-top: 1rem;
}

/* ── Utilidades ─────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted) !important; }
.text-success{ color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning{ color: var(--warning) !important; }
.text-primary-color { color: var(--btn-primary) !important; }
.fw-bold     { font-weight: 700; }
.fw-medium   { font-weight: 500; }
.small       { font-size: .8rem; }
.mt-1  { margin-top: .5rem; }
.mt-2  { margin-top: 1rem; }
.mt-3  { margin-top: 1.5rem; }
.mb-1  { margin-bottom: .5rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-3  { margin-bottom: 1.5rem; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

/* Divisor */
.divider { border: none; border-top: 1px solid var(--border-color); margin: 1.25rem 0; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,.15);
    }
    .layout-wrapper { margin-left: 0; }
    .navbar-toggle { display: flex; }
    .detail-grid { grid-template-columns: 1fr; }
    .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: 1fr; }
    .main-content { padding: 1.25rem 1rem; }
}
@media (max-width: 600px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .resource-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .navbar-user .user-info { display: none; }
}