:root {
    --c-bg: #F5F4F0;
    --c-surface: #FFFFFF;
    --c-surface2: #F0EDE6;
    --c-border: #D5D3CB;
    --c-accent: #1D9E75;
    --c-accent-dk: #0F6E56;
    --c-accent-lt: #E1F5EE;
    --c-text: #1A1916;
    --c-text2: #6B6A66;
    --c-text3: #9B9A96;
    --c-danger: #E24B4A;
    --c-warn: #BA7517;
    --c-info: #185FA5;
    --c-purple: #534AB7;
    --c-header-bg: #1A1916;
    --c-header-bg: #1A1916;
    --c-header-fg: #FFFFFF;
}

body {
    background-color: var(--c-bg);
    color: var(--c-text);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    min-height: 100vh;
}

.bg-dark-crm {
    background-color: var(--c-header-bg) !important;
}

.navbar-brand {
    font-family: 'Georgia', serif;
    font-size: 1.4rem;
}

.brand-lib {
    color: white;
    font-weight: bold;
}

.brand-fin {
    color: var(--c-accent);
    font-weight: bold;
}

.text-accent {
    color: var(--c-accent) !important;
}

.text-purple {
    color: var(--c-purple) !important;
}

.bg-purple-light {
    background-color: #EEEDFE;
}

.border-purple {
    border-color: #AFA9EC !important;
}

.btn-accent {
    background-color: var(--c-accent);
    border-color: var(--c-accent);
    color: white;
}

.btn-accent:hover {
    background-color: var(--c-accent-dk);
    border-color: var(--c-accent-dk);
    color: white;
}

.btn-outline-primary {
    color: var(--c-info);
    border-color: var(--c-info);
}

.btn-outline-primary:hover {
    background-color: var(--c-info);
    color: white;
}

.stat-card {
    border: 1px solid var(--c-border);
    border-radius: 8px;
    background: var(--c-surface);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.stat-card h3, .stat-card h4 {
    font-family: 'Georgia', serif;
    margin-bottom: 0.25rem;
}

.card {
    border: 1px solid var(--c-border);
    border-radius: 8px;
}

.card-header {
    background-color: var(--c-surface2);
    font-weight: 600;
}

.table {
    font-size: 0.9rem;
}

.table thead th {
    background-color: #1a3a5f;
    color: #ffffff;
    border-bottom: 2px solid #0d2240;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 8px;
}

#obligacionesTable thead th {
    background-color: #1a3a5f;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    font-weight: 700;
    letter-spacing: 0.3px;
}

#obligacionesTable tbody td {
    padding: 8px;
    vertical-align: middle;
}

#obligacionesTable tbody tr:hover {
    background-color: #e8f4fe;
}

.badge.bg-purple {
    background-color: var(--c-purple);
}

.tool-card {
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--c-border);
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.tool-icon {
    font-size: 2.5rem;
    color: var(--c-accent);
    display: block;
    margin-bottom: 0.75rem;
}

.calendar-day {
    min-height: 70px;
    border: 1px solid var(--c-border);
    border-radius: 4px;
    padding: 4px;
    cursor: pointer;
    background: var(--c-surface);
    transition: background 0.15s;
}

.calendar-day:hover {
    background: var(--c-accent-lt);
}

.calendar-day.today {
    border: 2px solid var(--c-accent);
    background: var(--c-accent-lt);
}

.calendar-day.has-event {
    background: #FAEEDA;
}

.calendar-day.has-bday {
    background: #E6F1FB;
}

.calendar-day.empty {
    background: var(--c-surface2);
    cursor: default;
}

.calendar-day .day-number {
    font-weight: bold;
    font-size: 0.9rem;
}

.calendar-day .badges {
    font-size: 0.7rem;
}

.nav-tabs .nav-link.active {
    background-color: var(--c-accent);
    color: white !important;
    border-color: var(--c-accent);
}

.nav-tabs .nav-link {
    color: var(--c-text2);
    font-size: 0.85rem;
    padding: 6px 10px;
}

footer {
    border-top: 1px solid var(--c-border);
    margin-top: 2rem;
}

/* Checkboxes de obligaciones */
.oblig-check {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: #1D9E75;
    border-radius: 4px;
}

.oblig-check:checked {
    background-color: #1D9E75;
    border-color: #1D9E75;
}

/* Animaciones */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Print */
@media print {
    .navbar, .btn, footer, form { display: none !important; }
    .card { border: none; }
}