:root {
    --bg-primary: #121212;
    --bg-card: #1E1E1E;
    --bg-elevated: #252525;
    --text-primary: #F5F5F5;
    --text-muted: #AAAAAA;
    --border-color: #444444;
    --border-light: #555555;
    --accent: #888888;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar .nav-link {
    font-size: 0.9rem;
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    transition: background 0.2s;
    color: var(--text-muted) !important;
}

.navbar .nav-link:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary) !important;
}

.navbar .nav-link.active {
    color: var(--text-primary) !important;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.card-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-primary);
}

.stat-card {
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
}

.stat-card .stat-icon {
    font-size: 2rem;
    opacity: 0.15;
}

.stat-card .stat-number {
    font-size: 1.75rem;
    font-weight: 700;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

.stat-card.bg-primary {
    background: #1E3A5F !important;
    border-color: #2A5080;
}

.stat-card.bg-danger {
    background: #3D1515 !important;
    border-color: #5C2020;
}

.stat-card.bg-success {
    background: #1A3A1A !important;
    border-color: #285528;
}

.stat-card.bg-info {
    background: #1A2A3A !important;
    border-color: #2A4A5A;
}

.stat-card.bg-warning {
    background: #3A3A1A !important;
    border-color: #555528;
    color: #F5F5F5 !important;
}

.table {
    color: var(--text-primary);
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    padding: 0.75rem 0.5rem;
}

.table td {
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0.5rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

.table-danger {
    background: rgba(220,53,69,0.08) !important;
}

.table-success {
    background: rgba(40,167,69,0.08) !important;
}

.badge-estado {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    font-weight: 500;
}

/* Login */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000000;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-card .card-body {
    padding: 2.5rem;
}

.login-logo {
    font-size: 2.5rem;
    color: var(--text-primary);
}

/* Filter section */
.filter-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Buttons - Primary action (white bg, black text) */
.btn-primary {
    background: #F5F5F5 !important;
    color: #121212 !important;
    border: 1px solid #F5F5F5 !important;
    font-weight: 600;
}

.btn-primary:hover, .btn-primary:focus {
    background: #FFFFFF !important;
    color: #000000 !important;
    border-color: #FFFFFF !important;
    box-shadow: 0 0 0 0.2rem rgba(245,245,245,0.25) !important;
}

.btn-primary:active {
    background: #DDDDDD !important;
    border-color: #DDDDDD !important;
}

.btn-outline-primary {
    color: var(--text-primary) !important;
    border-color: var(--border-light) !important;
}

.btn-outline-primary:hover {
    background: #F5F5F5 !important;
    color: #121212 !important;
    border-color: #F5F5F5 !important;
}

.btn-outline-secondary {
    color: var(--text-muted) !important;
    border-color: var(--border-color) !important;
}

.btn-outline-secondary:hover {
    background: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
}

.btn-outline-success {
    border-color: #2A552A !important;
    color: #8BC88B !important;
}

.btn-outline-success:hover {
    background: #2A552A !important;
    color: #F5F5F5 !important;
}

.btn-outline-danger {
    border-color: #552A2A !important;
    color: #E88B8B !important;
}

.btn-outline-danger:hover {
    background: #552A2A !important;
    color: #F5F5F5 !important;
}

.btn-outline-warning {
    border-color: #555528 !important;
    color: #D4D48B !important;
}

.btn-outline-warning:hover {
    background: #555528 !important;
    color: #F5F5F5 !important;
}

/* Form controls */
.form-control, .form-select {
    background: #121212 !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--border-light) !important;
    box-shadow: 0 0 0 0.2rem rgba(255,255,255,0.05) !important;
    background: #1A1A1A !important;
}

.form-control::placeholder {
    color: #666666 !important;
}

.input-group-text {
    background: #1A1A1A !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-muted) !important;
}

.form-control-plaintext {
    color: var(--text-primary) !important;
}

.form-label {
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.form-check-input {
    background-color: #121212;
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: #F5F5F5;
    border-color: #F5F5F5;
}

/* Modal */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1);
}

/* Dropdown */
.dropdown-menu {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
}

/* Pagination / misc */
.page-link {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.page-link:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.list-group-item {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item:hover {
    background: var(--bg-elevated);
}

.list-group-flush .list-group-item {
    border-color: var(--border-color);
}

/* Alerts */
.alert-success {
    background: #1A2A1A;
    border-color: #285528;
    color: #8BC88B;
}

.alert-danger {
    background: #2A1A1A;
    border-color: #552828;
    color: #E88B8B;
}

.alert-info {
    background: #1A2A3A;
    border-color: #2A4A5A;
    color: #8BB8E8;
}

.alert-warning {
    background: #2A2A1A;
    border-color: #555528;
    color: #D4D48B;
}

/* Tablas de reportes */
.table-sm td, .table-sm th {
    padding: 0.4rem 0.5rem;
}

/* Breadcrumbs / text */
.text-muted {
    color: var(--text-muted) !important;
}

/* Modal table inside */
.table {
    --bs-table-bg: transparent;
}

/* Hover card effect adjustment */
.card:hover {
    border-color: var(--border-light);
}

/* Navbar dropdown fix */
.dropdown-menu-end {
    right: 0;
    left: auto;
}

/* Section headers */
h4.fw-bold {
    color: var(--text-primary);
}

/* Responsive / Mobile */
@media (max-width: 768px) {
    .table-responsive { font-size: 0.8rem; }
    .table-responsive .btn-sm { font-size: 0.7rem; padding: 0.25rem 0.4rem; min-height: 28px; }
    .table-responsive .badge { font-size: 0.6rem; }
    .stat-card { padding: 0.8rem; }
    .stat-card .stat-number { font-size: 1.2rem; }
    .stat-card .stat-icon { font-size: 1.4rem; }
    .filter-section { padding: 0.8rem; }
    .filter-section .row > div { margin-bottom: 0.5rem; }
    .card-body { padding: 0.8rem; }
    .login-card .card-body { padding: 1.5rem; }
    .login-card { max-width: 340px; }
    .navbar .nav-link { font-size: 0.8rem; padding: 0.4rem 0.5rem; min-height: 36px; }
    .progreso-pago { height: 3px; }
    h4.fw-bold { font-size: 1.1rem; }
    .table th, .table td { padding: 0.4rem 0.3rem; }
    .cliente-row td { font-size: 0.85rem; }
    .sub-row td { padding-left: 1rem !important; }
    .container-fluid { padding-left: 0.5rem; padding-right: 0.5rem; }
    .modal-dialog { margin: 0.5rem; }
    .card-header { padding: 0.6rem 0.8rem; font-size: 0.9rem; }
    .btn { font-size: 0.8rem; min-height: 32px; }
    .form-control, .form-select { font-size: 16px !important; }
    .select2-container--default .select2-selection--single { height: 36px !important; }
    .select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 34px !important; }
    #pgDistribBody .input-group-sm .form-control { font-size: 13px; }
    .navbar-brand img { height: 22px !important; }
}

@media (max-width: 576px) {
    .stat-card .stat-number { font-size: 1rem; }
    .stat-card { padding: 0.6rem; }
    .row.g-3 > div { padding-left: 0.3rem; padding-right: 0.3rem; }
    .d-flex.gap-2 { flex-wrap: wrap; }
    .d-flex.gap-2 .btn { flex: 1 1 auto; min-width: 0; font-size: 0.75rem; }
    .row.mb-4 { margin-bottom: 0.8rem !important; }
    .table th { font-size: 0.65rem; }
    .table td { font-size: 0.75rem; }
}

/* Print */
@media print {
    .navbar, .no-print { display: none !important; }
    .card { box-shadow: none !important; border: 1px solid #444 !important; }
    body { background: white !important; color: black !important; }
}