/* ── Google Fonts ──────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Lora:wght@600;700&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

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

/* ── Variables (modo claro por defecto) ───────────────────────────────── */
:root {
    /* Paleta principal */
    --color-primary:      #0f2442;
    --color-primary-h:    #1a3a6e;
    --color-primary-bg:   #eef2f8;

    /* Acento ámbar/dorado */
    --color-accent:       #e8a020;
    --color-accent-h:     #c98510;
    --color-accent-bg:    #fdf3e0;

    /* Superficies — neutrales cálidos */
    --color-bg:           #f7f5f2;
    --color-surface:      #ffffff;
    --color-border:       #e2ddd8;
    --color-border-strong:#c9c3bc;

    /* Texto */
    --color-text:         #1c1917;
    --color-muted:        #6b6560;

    /* Semánticos */
    --color-danger:       #c0392b;
    --color-danger-bg:    #fdf0ee;
    --color-success:      #1a7a4a;
    --color-success-bg:   #edf8f2;
    --color-warning:      #b45309;
    --color-warning-bg:   #fefce8;
    --color-info:         #0e6fa8;
    --color-info-bg:      #e8f4fd;

    /* Geometría */
    --radius:             0.5rem;
    --radius-sm:          0.25rem;
    --radius-lg:          0.75rem;
    --radius-xl:          1rem;

    /* Sombras cálidas */
    --shadow:             0 1px 3px rgba(15,36,66,.07), 0 1px 2px rgba(15,36,66,.05);
    --shadow-md:          0 4px 16px rgba(15,36,66,.10), 0 2px 6px rgba(15,36,66,.06);
    --shadow-lg:          0 8px 32px rgba(15,36,66,.12), 0 4px 12px rgba(15,36,66,.07);

    /* Tipografía */
    --font:               'DM Sans', system-ui, -apple-system, sans-serif;
    --font-display:       'Lora', Georgia, 'Times New Roman', serif;

    /* Transiciones */
    --transition:         .18s ease;
    --transition-fast:    .12s ease;

    /* Layout */
    --navbar-h:           60px;
}

/* ── Modo oscuro ──────────────────────────────────────────────────────── */
[data-theme="dark"] {
    --color-primary:      #4d7fc4;
    --color-primary-h:    #6b96d4;
    --color-primary-bg:   #0d1e36;

    --color-accent:       #e8a020;
    --color-accent-h:     #f0b840;
    --color-accent-bg:    #2a1f08;

    --color-bg:           #0d1117;
    --color-surface:      #161d27;
    --color-border:       #2a3445;
    --color-border-strong:#3d4f66;

    --color-text:         #e8e4df;
    --color-muted:        #8b95a6;

    --color-danger:       #e57373;
    --color-danger-bg:    #2a0f0d;
    --color-success:      #5dba85;
    --color-success-bg:   #0a2018;
    --color-warning:      #f0b840;
    --color-warning-bg:   #251a06;
    --color-info:         #60b4e8;
    --color-info-bg:      #08192a;

    --shadow:             0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);
    --shadow-md:          0 4px 16px rgba(0,0,0,.35), 0 2px 6px rgba(0,0,0,.2);
    --shadow-lg:          0 8px 32px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.25);
}

/* ── Base ─────────────────────────────────────────────────────────────── */
body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* Headings con tipografía display */
h1, h2, h3 {
    font-family: var(--font-display);
    letter-spacing: -.02em;
    line-height: 1.25;
}
h4, h5, h6 {
    font-family: var(--font);
    font-weight: 600;
    line-height: 1.3;
}

/* ── Layout ───────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* ── Page header ──────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.page-header h1, .page-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.02em;
}
.page-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Cards ────────────────────────────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .5rem;
    letter-spacing: -.01em;
}
.card-meta {
    font-size: .82rem;
    color: var(--color-muted);
}

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1.1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-size: .875rem;
    font-weight: 500;
    line-height: 1.4;
    transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    text-decoration: none !important;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-sm, .btn--sm { padding: .3rem .75rem; font-size: .8rem; }

.btn-primary, .btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(15,36,66,.25);
}
.btn-primary:hover, .btn--primary:hover {
    background: var(--color-primary-h);
    box-shadow: 0 4px 12px rgba(15,36,66,.30);
}
.btn-accent {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(232,160,32,.30);
}
.btn-accent:hover {
    background: var(--color-accent-h);
    box-shadow: 0 4px 12px rgba(232,160,32,.35);
}
.btn-danger, .btn--danger    { background: var(--color-danger);   color: #fff; }
.btn-danger:hover, .btn--danger:hover { background: #a93226; }
.btn-success   { background: var(--color-success);  color: #fff; }
.btn-success:hover  { background: #166040; }
.btn-ghost, .btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-ghost:hover, .btn--ghost:hover { background: var(--color-bg); }
.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn--secondary:hover { background: var(--color-bg); }

/* ── Formularios ──────────────────────────────────────────────────────── */
.form-group   { margin-bottom: 1rem; }
.form-label   { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .35rem; color: var(--color-text); }
.form-hint    { font-size: .78rem; color: var(--color-muted); margin-top: .25rem; }
.form-error   { font-size: .78rem; color: var(--color-danger); margin-bottom: .3rem; }
.form-input, .form-control {
    width: 100%;
    padding: .55rem .8rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: .9375rem;
    font-family: var(--font);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15,36,66,.12);
}
[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-control:focus {
    box-shadow: 0 0 0 3px rgba(77,127,196,.2);
}
.form-input.is-invalid, .form-control.is-invalid { border-color: var(--color-danger); }
select.form-input, select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6560' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .8rem center;
    padding-right: 2.2rem;
}
.form-check { display: flex; align-items: center; gap: .5rem; }
.form-check input[type=checkbox] { width: 1rem; height: 1rem; cursor: pointer; accent-color: var(--color-primary); }

/* ── Alertas ──────────────────────────────────────────────────────────── */
.alert,
.alert--danger, .alert--success, .alert--warning, .alert--info,
.alert-danger, .alert-success, .alert-warning, .alert-info {
    padding: .8rem 1rem;
    border-radius: var(--radius);
    font-size: .875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: .5rem;
}
.alert-danger,  .alert--danger  { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid #f5c6c1; }
.alert-success, .alert--success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #b8e8cc; }
.alert-warning, .alert--warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #fde68a; }
.alert-info,    .alert--info    { background: var(--color-info-bg);    color: var(--color-info);    border: 1px solid #bde0f7; }

[data-theme="dark"] .alert-danger,  [data-theme="dark"] .alert--danger  { border-color: #5a1a14; }
[data-theme="dark"] .alert-success, [data-theme="dark"] .alert--success { border-color: #1a4030; }
[data-theme="dark"] .alert-warning, [data-theme="dark"] .alert--warning { border-color: #4a3010; }
[data-theme="dark"] .alert-info,    [data-theme="dark"] .alert--info    { border-color: #10345a; }

/* ── Navbar ───────────────────────────────────────────────────────────── */
.navbar {
    background: var(--color-primary);
    border-bottom: none;
    padding: 0 1rem;
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(15,36,66,.25);
}
.navbar-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
    letter-spacing: -.01em;
}
.navbar-nav {
    display: none;
    align-items: center;
    gap: .1rem;
    flex: 1;
    padding: 0 1.5rem;
}
.navbar-nav a {
    padding: .38rem .75rem;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    color: rgba(255,255,255,.7);
    font-weight: 500;
    text-decoration: none !important;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.navbar-nav a:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
}
.navbar-nav a.active {
    background: rgba(255,255,255,.18);
    color: #fff;
}
.navbar-end { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.navbar-user { font-size: .82rem; color: rgba(255,255,255,.7); }

/* Hamburguesa */
.navbar-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.navbar-toggle:hover { background: rgba(255,255,255,.12); }
.navbar-toggle span {
    display: block;
    height: 2px;
    background: rgba(255,255,255,.85);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition), width var(--transition);
    width: 100%;
}
.navbar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.navbar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú móvil desplegable */
.navbar-mobile {
    display: none;
    position: fixed;
    top: var(--navbar-h);
    left: 0;
    right: 0;
    background: var(--color-primary);
    border-top: 1px solid rgba(255,255,255,.1);
    padding: .75rem 1rem;
    z-index: 99;
    box-shadow: 0 8px 24px rgba(15,36,66,.3);
    flex-direction: column;
    gap: .25rem;
}
.navbar-mobile.open { display: flex; }
.navbar-mobile a {
    padding: .65rem .9rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    color: rgba(255,255,255,.8);
    font-weight: 500;
    text-decoration: none !important;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.navbar-mobile a:hover, .navbar-mobile a.active {
    background: rgba(255,255,255,.15);
    color: #fff;
}

@media (min-width: 768px) {
    .navbar-nav    { display: flex; }
    .navbar-toggle { display: none; }
    .navbar-mobile { display: none !important; }
}

/* Badge de notificaciones */
.notif-bell { position: relative; }
.notif-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    background: var(--color-accent);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border: 2px solid var(--color-primary);
}

/* Avatar + nombre en navbar */
.navbar-user-btn {
    display: none;
    align-items: center;
    gap: .5rem;
    text-decoration: none !important;
    color: rgba(255,255,255,.8);
    font-size: .82rem;
    padding: .25rem .5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.navbar-user-btn:hover {
    background: rgba(255,255,255,.1);
    color: #fff;
    text-decoration: none !important;
}
.navbar-user-name { font-weight: 500; }
@media (min-width: 900px) {
    .navbar-user-btn { display: flex; }
}

/* Avatar de usuario */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: .02em;
}

/* ── Badges ───────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .6rem;
    border-radius: 99px;
    font-size: .72rem;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.5;
}
.badge-primary { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-accent  { background: var(--color-accent-bg);  color: var(--color-accent-h); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-muted   { background: var(--color-border);     color: var(--color-muted);   }

/* Badges de origen de curso */
.badge--assigned { background: var(--color-danger-bg);  color: var(--color-danger);  }
.badge--campaign { background: var(--color-primary-bg); color: var(--color-primary); }
.badge--area     { background: var(--color-border);     color: var(--color-muted);   }

/* ── Tablas ───────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); box-shadow: var(--shadow); }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
    background: var(--color-surface);
}
thead { background: var(--color-bg); }
th {
    text-align: left;
    padding: .75rem 1rem;
    font-family: var(--font);
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
td {
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); transition: background var(--transition-fast); }

/* ── Progress bar ─────────────────────────────────────────────────────── */
.progress {
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 99px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: 99px;
    transition: width .6s cubic-bezier(.4,0,.2,1);
}
.progress-bar.success { background: var(--color-success); }
.progress-bar.accent  { background: var(--color-accent); }
.progress-bar.danger  { background: var(--color-danger); }

/* ── Empty state ──────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--color-muted);
}
.empty-state svg { margin: 0 auto 1.25rem; opacity: .3; }
.empty-state p { font-size: .95rem; margin-bottom: 1rem; }

/* ── Tabs ─────────────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: .25rem;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.tab-btn {
    padding: .6rem 1rem;
    border: none;
    background: transparent;
    color: var(--color-muted);
    font-family: var(--font);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Accordion / módulos ──────────────────────────────────────────────── */
.module-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: .75rem;
    overflow: hidden;
    background: var(--color-surface);
    transition: box-shadow var(--transition);
}
.module-item:hover { box-shadow: var(--shadow-md); }
.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 1rem;
    cursor: pointer;
    user-select: none;
    gap: .75rem;
}
.module-header:hover { background: var(--color-bg); }
.module-title { font-weight: 600; font-size: .95rem; flex: 1; }
.module-body { border-top: 1px solid var(--color-border); }

/* ── Content list items ───────────────────────────────────────────────── */
.content-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    text-decoration: none !important;
    color: var(--color-text);
    transition: background var(--transition-fast);
}
.content-item:last-child { border-bottom: none; }
.content-item:hover { background: var(--color-bg); }
.content-item.completed .content-title { color: var(--color-muted); }
.content-icon {
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    background: var(--color-primary-bg);
    color: var(--color-primary);
}
.content-icon.doc  { background: var(--color-warning-bg); color: var(--color-warning); }
.content-icon.done { background: var(--color-success-bg); color: var(--color-success); }
.content-title { font-size: .88rem; font-weight: 500; }
.content-meta  { font-size: .75rem; color: var(--color-muted); margin-top: .1rem; }

/* ── Video player ─────────────────────────────────────────────────────── */
.player-wrap {
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.25rem;
    position: relative;
}
.player-wrap video {
    width: 100%;
    max-height: 65vh;
    display: block;
}

/* ── PDF viewer ───────────────────────────────────────────────────────── */
.pdf-wrap {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.25rem;
    background: #525659;
}
.pdf-wrap embed, .pdf-wrap iframe {
    width: 100%;
    height: 70vh;
    border: none;
    display: block;
}

/* ── Stat cards (dashboard) ───────────────────────────────────────────── */
.stats-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-value, .stat-card__value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    display: block;
    letter-spacing: -.03em;
}
.stat-label, .stat-card__label {
    font-size: .8rem;
    color: var(--color-muted);
    margin-top: .3rem;
    display: block;
    font-weight: 500;
}
.stat-card--accent  { border-left: 3px solid var(--color-accent); }
.stat-card--primary { border-left: 3px solid var(--color-primary); }
.stat-card--warn    { border-left: 3px solid var(--color-warning); }
.stat-card--danger  { border-left: 3px solid var(--color-danger);  }
.stat-card--success { border-left: 3px solid var(--color-success); }

/* ── Divider ──────────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--color-border); margin: 1.5rem 0; }

/* ── Grid helpers ─────────────────────────────────────────────────────── */
.grid-2 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px)  { .grid-2 { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 768px)  { .grid-3 { grid-template-columns: repeat(3,1fr); } }

/* ── Flex helpers ─────────────────────────────────────────────────────── */
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .25rem; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.gap-4 { gap: 1rem; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

/* ── Text helpers ─────────────────────────────────────────────────────── */
.text-muted    { color: var(--color-muted); }
.text-sm       { font-size: .875rem; }
.text-xs       { font-size: .75rem; }
.text-danger   { color: var(--color-danger); }
.text-success  { color: var(--color-success); }
.text-accent   { color: var(--color-accent); }
.font-bold     { font-weight: 700; }
.font-display  { font-family: var(--font-display); }
.truncate      { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Spacing helpers ──────────────────────────────────────────────────── */
.mt-1 { margin-top: .25rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: .25rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (min-width: 768px) {
    .container { padding: 0 2rem; }
}

/* ── Checkbox group (áreas de usuario) ───────────────────────────────── */
.checkbox-group {
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: .5rem .75rem;
    max-height: 260px;
    overflow-y: auto;
    background: var(--color-surface);
}
.checkbox-group.is-invalid { border-color: var(--color-danger); }
.checkbox-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem 0;
    cursor: pointer;
    font-size: .875rem;
}
.checkbox-item input[type=checkbox] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}
.checkbox-item--all .checkbox-label { font-weight: 600; color: var(--color-text); }
.checkbox-divider { border-top: 1px solid var(--color-border); margin: .35rem 0; }

/* ── Alias de compatibilidad ──────────────────────────────────────────── */
/* .input → alias de .form-input (usado en varias vistas) */
.input {
    width: 100%;
    padding: .55rem .8rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: .9375rem;
    font-family: var(--font);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15,36,66,.12);
}
select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6560' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .8rem center;
    padding-right: 2.2rem;
}

/* --color-text-muted alias (usado en vistas antiguas) */
:root { --color-text-muted: var(--color-muted); --color-surface-alt: var(--color-bg); }

/* btn-xs */
.btn-xs { padding: .2rem .55rem; font-size: .75rem; }

/* btn-secondary (alias sin BEM) */
.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); }

/* ── Página de error ──────────────────────────────────────────────────── */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5rem 1.5rem;
    min-height: 55vh;
}
.error-page__code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 15vw, 9rem);
    font-weight: 700;
    color: var(--color-border-strong);
    line-height: 1;
    letter-spacing: -.04em;
    margin-bottom: .5rem;
}
.error-page__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: .75rem;
    color: var(--color-text);
}
.error-page__msg {
    color: var(--color-muted);
    font-size: 1rem;
    max-width: 400px;
    margin-bottom: 1.75rem;
    line-height: 1.6;
}

/* ── Filter bar ───────────────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.filter-bar__group {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    min-width: 160px;
    flex: 1;
}
.filter-bar__label {
    font-size: .78rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ── Lista de cursos (cards horizontales) ─────────────────────────────── */
.course-list { display: flex; flex-direction: column; gap: .75rem; }
.course-list-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: box-shadow var(--transition), transform var(--transition);
}
.course-list-item:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.course-list-item__info { flex: 1; min-width: 0; }
.course-list-item__title { font-weight: 600; font-size: .9375rem; }
.course-list-item__meta {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    align-items: center;
    margin-top: .35rem;
}
.course-list-item__status {
    font-size: .8rem;
    color: var(--color-muted);
}
.course-list-item__actions { display: flex; gap: .5rem; flex-shrink: 0; }

/* ── Notificaciones ───────────────────────────────────────────────────── */
.notif-list { display: flex; flex-direction: column; gap: .75rem; }
.notif-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1rem 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: box-shadow var(--transition);
}
.notif-item:hover { box-shadow: var(--shadow-md); }
.notif-item.notif-unread {
    background: var(--color-primary-bg);
    border-color: rgba(15,36,66,.15);
}
[data-theme="dark"] .notif-item.notif-unread {
    background: var(--color-primary-bg);
    border-color: rgba(77,127,196,.2);
}
.notif-item__icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    background: var(--color-bg);
}
.notif-item__body { flex: 1; min-width: 0; }
.notif-item__header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .25rem;
    margin-bottom: .35rem;
}
.notif-item__title { font-weight: 600; font-size: .9rem; }
.notif-item__date  { font-size: .78rem; color: var(--color-muted); white-space: nowrap; }
.notif-item__text  { font-size: .875rem; color: var(--color-muted); line-height: 1.5; }
.notif-item__link  { font-size: .85rem; color: var(--color-primary); margin-top: .35rem; display: inline-block; }

/* ── Content layout (show.php) ────────────────────────────────────────── */
.content-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (min-width: 1024px) {
    .content-layout { grid-template-columns: 1fr 320px; }
}

/* ── Tabla de permisos ────────────────────────────────────────────────── */
.perms-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
.perms-table th,
.perms-table td {
    padding: .7rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.perms-table thead th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-muted);
    white-space: nowrap;
}
.perms-table tbody tr:hover { background: var(--color-bg); }
.perms-table tbody tr:last-child td { border-bottom: none; }

.perm-col-name { min-width: 220px; }
.perm-col-role { text-align: center; min-width: 90px; }

.perm-group-row td {
    background: var(--color-bg);
    font-weight: 700;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-muted);
    padding: .5rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.perm-label {
    display: block;
    font-weight: 500;
}
.perm-desc {
    display: block;
    font-size: .78rem;
    color: var(--color-muted);
    margin-top: .15rem;
}

/* Toggle switch de permisos */
.perm-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    width: 40px;
    height: 22px;
}
.perm-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.perm-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--color-border-strong);
    border-radius: 999px;
    transition: background var(--transition-fast);
}
.perm-toggle-slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.perm-toggle input:checked + .perm-toggle-slider { background: var(--color-primary); }
.perm-toggle input:checked + .perm-toggle-slider::before { transform: translateX(18px); }

/* ── Perfil de usuario ────────────────────────────────────────────────── */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (min-width: 640px) {
    .profile-grid { grid-template-columns: 280px 1fr; }
}
.profile-avatar-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: .75rem;
}
.profile-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -.02em;
    flex-shrink: 0;
    border: 3px solid rgba(15,36,66,.12);
}
.profile-avatar-placeholder {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(15,36,66,.12);
}
.profile-card-info { display: flex; flex-direction: column; }
.profile-dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .35rem .75rem;
    font-size: .9rem;
}
.profile-dl dt {
    color: var(--color-muted);
    font-weight: 500;
    white-space: nowrap;
}
.profile-dl dd {
    margin: 0;
    word-break: break-all;
}
.input-hint {
    margin: .25rem 0 0;
    font-size: .8rem;
    color: var(--color-muted);
}

/* ── Section title ────────────────────────────────────────────────────── */
.section-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--color-border);
}

/* ── Progress label ───────────────────────────────────────────────────── */
.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .35rem;
    font-size: .8rem;
    color: var(--color-muted);
    font-weight: 500;
}

/* ── Card grid (auto-fill) ────────────────────────────────────────────── */
.card-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card-grid--sm {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card-grid--md {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ── Dashboard stat card con icono ────────────────────────────────────── */
.stat-card__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: .75rem;
    flex-shrink: 0;
}
.stat-card__icon--primary { background: var(--color-primary-bg); color: var(--color-primary); }
.stat-card__icon--accent  { background: var(--color-accent-bg);  color: var(--color-accent-h); }
.stat-card__icon--success { background: var(--color-success-bg); color: var(--color-success); }
.stat-card__icon--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card__icon--danger  { background: var(--color-danger-bg);  color: var(--color-danger);  }
.stat-card__icon--muted   { background: var(--color-border);     color: var(--color-muted);   }

/* ── Trend indicator ──────────────────────────────────────────────────── */
.trend {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .82rem;
    font-weight: 600;
    padding: .15rem .45rem;
    border-radius: 99px;
}
.trend--up   { color: var(--color-success); background: var(--color-success-bg); }
.trend--down { color: var(--color-danger);  background: var(--color-danger-bg);  }
.trend--flat { color: var(--color-muted);   background: var(--color-border);     }

/* ── Activity items (dashboard reciente) ─────────────────────────────── */
.activity-list { display: flex; flex-direction: column; gap: .6rem; margin-top: .75rem; }
.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: .75rem;
    font-size: .85rem;
    padding: .5rem 0;
    border-bottom: 1px solid var(--color-border);
}
.activity-item:last-child { border-bottom: none; padding-bottom: 0; }
.activity-item__name { font-weight: 500; }
.activity-item__meta { font-size: .75rem; color: var(--color-muted); margin-top: .1rem; }
.activity-item__side { flex-shrink: 0; text-align: right; }

/* ── Course card (usuario/dashboard) ─────────────────────────────────── */
.course-card {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    height: 100%;
    text-decoration: none !important;
    color: var(--color-text);
}
.course-card:hover { color: var(--color-text); }
.course-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: .5rem;
}
.course-card__title {
    font-weight: 600;
    font-size: .9375rem;
    flex: 1;
    line-height: 1.35;
}
.course-card__desc {
    font-size: .85rem;
    color: var(--color-muted);
    flex: 1;
    line-height: 1.45;
}
.course-card__due {
    font-size: .75rem;
    margin-top: .1rem;
}
.course-card__due--overdue { color: var(--color-danger); font-weight: 600; }
.course-card__due--soon    { color: var(--color-warning); font-weight: 600; }
.course-card__due--normal  { color: var(--color-muted); }
.course-card__progress {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: auto;
    padding-top: .25rem;
}
.course-card__pct {
    font-size: .8rem;
    color: var(--color-muted);
    white-space: nowrap;
    font-weight: 500;
}

/* ── Quick actions bar ────────────────────────────────────────────────── */
.quick-actions {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* ── Welcome bar ──────────────────────────────────────────────────────── */
.dash-welcome {
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.dash-welcome__greeting {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.02em;
}
.dash-welcome__sub {
    color: rgba(255,255,255,.65);
    font-size: .9rem;
    margin-top: .2rem;
}
.dash-welcome__pct {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: -.04em;
    line-height: 1;
}
.dash-welcome__pct-label {
    font-size: .78rem;
    color: rgba(255,255,255,.55);
    text-align: center;
}

/* ── Overdue alert en dashboard ───────────────────────────────────────── */
.overdue-list { list-style: none; margin: .5rem 0 0; }
.overdue-list li { font-size: .875rem; margin-bottom: .3rem; }
.overdue-list a  { color: inherit; text-decoration: underline; }

/* ── Certificate diploma ──────────────────────────────────────────────── */
.certificate-wrap {
    max-width: 700px;
    margin: 0 auto 2rem;
}

.certificate {
    background: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 3.5rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Doble borde interior decorativo */
.certificate::before {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px solid var(--color-accent);
    border-radius: calc(var(--radius-lg) - 4px);
    pointer-events: none;
    opacity: .5;
}

/* Marca de agua tipo sello */
.certificate::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--color-primary-bg) 0%, transparent 70%);
    pointer-events: none;
}

.certificate__eyebrow {
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: .75rem;
}

.certificate__rule {
    width: 56px;
    height: 3px;
    background: var(--color-primary);
    margin: 0 auto .9rem;
    border-radius: 99px;
}

.certificate__subtitle {
    font-size: .9rem;
    color: var(--color-muted);
    margin-bottom: .5rem;
}

.certificate__name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -.03em;
    margin: .4rem 0 0;
    line-height: 1.1;
}

.certificate__divider {
    width: 200px;
    height: 1px;
    background: var(--color-accent);
    margin: 1rem auto;
    opacity: .7;
}

.certificate__course-label {
    font-size: .85rem;
    color: var(--color-muted);
    margin-bottom: .4rem;
}

.certificate__course-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -.01em;
    margin-bottom: 1.75rem;
}

.certificate__meta {
    font-size: .75rem;
    color: var(--color-muted);
    letter-spacing: .04em;
}

.certificate__actions {
    display: flex;
    justify-content: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* ── Content sidebar sticky ───────────────────────────────────────────── */
.content-sidebar-card {
    position: sticky;
    top: calc(var(--navbar-h) + 1rem);
    max-height: calc(100vh - var(--navbar-h) - 2rem);
    overflow-y: auto;
}

.content-sidebar-module {
    margin-bottom: .6rem;
}

.content-sidebar-module__title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--color-muted);
    padding: .3rem 0 .2rem;
}

.content-item--active {
    background: var(--color-primary-bg) !important;
}

.content-item--active .content-title {
    color: var(--color-primary);
}