:root {
    --bhtk-primary: #1B3A5C;
    --bhtk-primary-dark: #132a43;
    --bhtk-secondary: #C9A84C;
    --bhtk-secondary-light: #d4b96a;
    --bhtk-accent: #2E86AB;
    --bhtk-light: #f8f9fa;
    --bhtk-white: #ffffff;
    --bhtk-text: #333333;
    --bhtk-text-muted: #6c757d;
    --bhtk-border: #dee2e6;
    --bhtk-success: #28a745;
    --bhtk-danger: #dc3545;
    --bhtk-warning: #ffc107;
    --bhtk-info: #17a2b8;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bhtk-light);
    color: var(--bhtk-text);
}

/* Navbar */
.navbar-bhtk {
    background: var(--bhtk-primary) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.navbar-bhtk .navbar-brand {
    color: var(--bhtk-secondary) !important;
    font-weight: 700;
    font-size: 1.1rem;
}
.navbar-bhtk .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-size: 0.9rem;
}
.navbar-bhtk .nav-link:hover,
.navbar-bhtk .nav-link.active {
    color: var(--bhtk-secondary) !important;
}
.navbar-bhtk .navbar-toggler {
    border-color: rgba(255,255,255,0.3);
}
.navbar-bhtk .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Sidebar */
.sidebar {
    min-height: calc(100vh - 56px);
    background: var(--bhtk-white);
    border-right: 1px solid var(--bhtk-border);
    padding-top: 1rem;
}
.sidebar .nav-link {
    color: var(--bhtk-text);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    border-radius: 0.375rem;
    margin: 0.1rem 0.5rem;
}
.sidebar .nav-link:hover {
    background: var(--bhtk-light);
    color: var(--bhtk-primary);
}
.sidebar .nav-link.active {
    background: var(--bhtk-primary);
    color: var(--bhtk-white) !important;
}
.sidebar .nav-link i {
    width: 20px;
    margin-right: 8px;
    text-align: center;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border-radius: 0.5rem;
}
.card-header {
    background: var(--bhtk-white);
    border-bottom: 1px solid var(--bhtk-border);
    font-weight: 600;
}

/* Stat cards */
.stat-card {
    border-left: 4px solid var(--bhtk-primary);
    transition: transform 0.2s;
}
.stat-card:hover {
    transform: translateY(-2px);
}
.stat-card .stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--bhtk-primary);
}
.stat-card .stat-label {
    color: var(--bhtk-text-muted);
    font-size: 0.85rem;
}
.stat-card.success { border-left-color: var(--bhtk-success); }
.stat-card.success .stat-number { color: var(--bhtk-success); }
.stat-card.warning { border-left-color: var(--bhtk-warning); }
.stat-card.warning .stat-number { color: var(--bhtk-warning); }
.stat-card.danger { border-left-color: var(--bhtk-danger); }
.stat-card.danger .stat-number { color: var(--bhtk-danger); }
.stat-card.info { border-left-color: var(--bhtk-info); }
.stat-card.info .stat-number { color: var(--bhtk-info); }

/* Tables */
.table th {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--bhtk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: none;
}
.table td {
    vertical-align: middle;
    font-size: 0.9rem;
}

/* Buttons */
.btn-bhtk {
    background: var(--bhtk-primary);
    border-color: var(--bhtk-primary);
    color: var(--bhtk-white);
}
.btn-bhtk:hover {
    background: var(--bhtk-primary-dark);
    border-color: var(--bhtk-primary-dark);
    color: var(--bhtk-white);
}
.btn-gold {
    background: var(--bhtk-secondary);
    border-color: var(--bhtk-secondary);
    color: var(--bhtk-white);
}
.btn-gold:hover {
    background: var(--bhtk-secondary-light);
    border-color: var(--bhtk-secondary-light);
    color: var(--bhtk-white);
}

/* Public form */
.public-header {
    background: var(--bhtk-primary);
    color: var(--bhtk-white);
    padding: 2rem 0;
    text-align: center;
}
.public-header h1 {
    color: var(--bhtk-secondary);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}
.public-header p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0;
}

.form-section {
    background: var(--bhtk-white);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 1.5rem;
    margin-bottom: 1rem;
}
.form-section h5 {
    color: var(--bhtk-primary);
    border-bottom: 2px solid var(--bhtk-secondary);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Login page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bhtk-primary) 0%, var(--bhtk-primary-dark) 100%);
}
.login-card {
    max-width: 420px;
    width: 100%;
    background: var(--bhtk-white);
    border-radius: 0.75rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
    padding: 2rem;
}
.login-card .form-label {
    color: var(--bhtk-text);
    font-weight: 500;
}
.login-card .card-header {
    background: var(--bhtk-primary);
    color: var(--bhtk-secondary);
    text-align: center;
    padding: 1.5rem;
    border-radius: 0.75rem 0.75rem 0 0 !important;
}

/* Badge */
.badge { font-weight: 500; }

/* Calendar */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border: 1px solid var(--bhtk-border);
}
.calendar-grid .cal-header {
    background: var(--bhtk-primary);
    color: var(--bhtk-white);
    text-align: center;
    padding: 8px 4px;
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid var(--bhtk-primary);
}
.calendar-day {
    min-height: 110px;
    border: 1px solid var(--bhtk-border);
    padding: 4px;
    position: relative;
    vertical-align: top;
}
.calendar-day .day-number {
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    margin-bottom: 2px;
}
.calendar-day.today .day-number {
    background: var(--bhtk-secondary);
    color: var(--bhtk-white);
}
.calendar-day.today {
    background: #fffdf0;
}
.calendar-day.other-month {
    background: #f8f9fa;
}
.calendar-day.other-month .day-number {
    opacity: 0.4;
}
.calendar-event {
    font-size: 0.7rem;
    padding: 2px 5px;
    border-radius: 3px;
    margin-bottom: 2px;
    cursor: pointer;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-decoration: none;
    color: var(--bhtk-white);
}
.calendar-event:hover {
    opacity: 0.85;
    color: var(--bhtk-white);
}
.calendar-event.national {
    background: var(--bhtk-primary);
}
.calendar-event.regional {
    background: var(--bhtk-accent);
}
.calendar-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}
.calendar-nav .month-label {
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
}
@media (max-width: 768px) {
    .calendar-day {
        min-height: 60px;
        padding: 2px;
    }
    .calendar-day .day-number { font-size: 0.75rem; }
    .calendar-event { font-size: 0.6rem; padding: 1px 3px; }
    .calendar-grid .cal-header { font-size: 0.7rem; padding: 4px 2px; }
}

/* Partner profile */
.profile-header {
    background: linear-gradient(135deg, var(--bhtk-primary) 0%, var(--bhtk-accent) 100%);
    color: var(--bhtk-white);
    padding: 2rem;
    border-radius: 0.5rem 0.5rem 0 0;
}
.profile-header h3 {
    color: var(--bhtk-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--bhtk-border);
    }
    .stat-card .stat-number {
        font-size: 1.4rem;
    }
}

/* Terms modal */
.terms-content {
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid var(--bhtk-border);
    border-radius: 0.375rem;
    background: var(--bhtk-light);
}