:root {
    --azul:    #1A2F5E;
    --azul-dk: #121f40;
    --naranja: #EC960B;
    --sidebar-w: 240px;
}

/* ── Sidebar ──────────────────────────────────────── */
body {
    background: #f4f6fb;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--azul);
    color: #fff;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform .25s ease;
}

.sidebar-brand {
    padding: 1.25rem 1rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,.12);
    display: flex;
    align-items: center;
    color: var(--naranja);
    letter-spacing: .03em;
}

.sidebar-nav {
    list-style: none;
    padding: .5rem 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-section {
    padding: .85rem 1rem .3rem;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255,255,255,.45);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .6rem 1rem;
    color: rgba(255,255,255,.82);
    text-decoration: none;
    border-radius: 6px;
    margin: .1rem .5rem;
    font-size: .9rem;
    transition: background .18s, color .18s;
}
.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(255,255,255,.12);
    color: #fff;
}
.sidebar-link.active {
    background: var(--naranja);
    color: #fff;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,.12);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
    margin-bottom: .5rem;
}
.sidebar-user small {
    opacity: .6;
    font-size: .7rem;
}

/* ── Layout ───────────────────────────────────────── */
.main-wrapper {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left .25s ease;
}

.topbar {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: .75rem 1.5rem;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.topbar h5 {
    color: var(--azul);
    font-weight: 600;
}

.content-area {
    padding: 1.75rem 2rem;
    flex: 1;
}

/* Sidebar collapsed */
body.sidebar-collapsed .sidebar   { transform: translateX(calc(-1 * var(--sidebar-w))); }
body.sidebar-collapsed .main-wrapper { margin-left: 0; }

/* ── Cards ────────────────────────────────────────── */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 1px 6px rgba(0,0,0,.07);
}
.card-header {
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
    color: var(--azul);
    padding: 1rem 1.25rem;
}

/* ── Botones con identidad ────────────────────────── */
.btn-primary {
    background: var(--azul);
    border-color: var(--azul);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--azul-dk);
    border-color: var(--azul-dk);
}
.btn-warning {
    background: var(--naranja);
    border-color: var(--naranja);
    color: #fff;
}
.btn-warning:hover {
    background: #d4850a;
    border-color: #d4850a;
    color: #fff;
}

/* ── Tabla de listado ─────────────────────────────── */
.table thead th {
    background: var(--azul);
    color: #fff;
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
}
.table tbody tr:hover { background: #f0f4ff; }
.table td { vertical-align: middle; font-size: .9rem; }

/* ── Filtros ──────────────────────────────────────── */
.filter-card {
    background: #fff;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

/* ── Detalle de tarea ─────────────────────────────── */
.detail-label {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #6c757d;
}
.detail-value {
    font-size: .95rem;
    color: #212529;
}
.bloqueo-aviso {
    background: #fff3cd;
    border-left: 4px solid var(--naranja);
    padding: .65rem 1rem;
    border-radius: 0 6px 6px 0;
    font-size: .88rem;
}
.editable-aviso {
    background: #d4edda;
    border-left: 4px solid #28a745;
    padding: .65rem 1rem;
    border-radius: 0 6px 6px 0;
    font-size: .88rem;
}

/* ── Comentarios ──────────────────────────────────── */
.comentario-item {
    background: #f8f9fa;
    border-radius: 8px;
    padding: .85rem 1rem;
    margin-bottom: .75rem;
}
.comentario-autor {
    font-weight: 600;
    color: var(--azul);
    font-size: .85rem;
}
.comentario-fecha {
    font-size: .78rem;
    color: #adb5bd;
}
.comentario-texto {
    margin-top: .35rem;
    font-size: .92rem;
    white-space: pre-line;
}

/* ── Login ────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--azul) 0%, #2d4a8a 100%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.login-header {
    background: var(--naranja);
    padding: 1.75rem;
    text-align: center;
    color: #fff;
}
.login-header h4 { font-weight: 700; margin: 0; }
.login-body { padding: 2rem; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
    .main-wrapper { margin-left: 0; }
    body.sidebar-open .sidebar { transform: translateX(0); }
    .content-area { padding: 1rem; }
}