/* SAMBUNG Design System */
:root {
    --sambung-primary: #0d6efd;
    --sambung-primary-dark: #0a58ca;
    --sambung-accent: #20c997;
    --sambung-dark: #0f172a;
    --sambung-muted: #64748b;
    --sambung-bg: #f1f5f9;
    --sambung-card: #ffffff;
    --sambung-border: #e2e8f0;
    --sambung-radius: 12px;
    --sambung-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
    --sambung-shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--sambung-dark);
    background: var(--sambung-bg);
}

/* Navbar */
.navbar-sambung {
    background: linear-gradient(90deg, #0f172a 0%, #1e3a8a 50%, #0d6efd 100%) !important;
    box-shadow: var(--sambung-shadow);
}
.navbar-sambung .nav-link {
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: background 0.2s;
}
.navbar-sambung .nav-link:hover { background: rgba(255,255,255,0.12); }

/* Hero */
.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 45%, #0d6efd 100%);
    color: #fff;
    padding: 5rem 0 4rem;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(32,201,151,0.25) 0%, transparent 50%);
}
.hero-section .container { position: relative; z-index: 1; }

/* Cards */
.card {
    border: 1px solid var(--sambung-border);
    border-radius: var(--sambung-radius);
    box-shadow: var(--sambung-shadow);
}
.card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--sambung-shadow-lg);
}

.stat-card {
    border: none;
    border-radius: var(--sambung-radius);
    overflow: hidden;
    position: relative;
}
.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.stat-card-primary .stat-icon { background: rgba(13,110,253,0.12); color: var(--sambung-primary); }
.stat-card-success .stat-icon { background: rgba(32,201,151,0.15); color: #198754; }
.stat-card-warning .stat-icon { background: rgba(255,193,7,0.2); color: #997404; }
.stat-card-info .stat-icon { background: rgba(13,202,240,0.15); color: #0aa2c0; }

.page-header {
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sambung-border);
}
.page-header h1, .page-header h2 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

/* Sidebar */
.dashboard-sidebar {
    min-height: calc(100vh - 60px);
    background: var(--sambung-card);
    border-right: 1px solid var(--sambung-border);
    padding: 0;
}
.dashboard-sidebar .brand-block {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--sambung-border);
    background: linear-gradient(135deg, #f8fafc, #fff);
}
.dashboard-sidebar .nav-link {
    color: #475569;
    font-weight: 500;
    padding: 0.65rem 1rem;
    margin: 0.15rem 0.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.dashboard-sidebar .nav-link i { font-size: 1.1rem; opacity: 0.85; }
.dashboard-sidebar .nav-link:hover { background: #f1f5f9; color: var(--sambung-primary); }
.dashboard-sidebar .nav-link.active {
    background: linear-gradient(90deg, #0d6efd, #2563eb);
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(13,110,253,0.35);
}

.dashboard-topbar {
    background: var(--sambung-card);
    border-bottom: 1px solid var(--sambung-border);
    padding: 0.75rem 1.5rem;
}

.main-content { padding: 1.5rem 1.75rem; }

/* Tables */
.table-modern thead th {
    background: #f8fafc;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sambung-muted);
    border-bottom: 2px solid var(--sambung-border);
}
.table-modern tbody tr { transition: background 0.15s; }
.table-modern tbody tr:hover { background: #f8fafc; }

/* SAMBUNG DataTable toolbar */
.sambung-dt-wrapper {
    margin-bottom: 1rem;
}
.sambung-dt-toolbar {
    background: #fff;
    border: 1px solid var(--sambung-border);
    border-radius: var(--sambung-radius);
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--sambung-shadow);
}
.sambung-dt-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid var(--sambung-border);
    border-radius: var(--sambung-radius);
    padding: 0.75rem 1rem;
    margin-top: 0.75rem;
    box-shadow: var(--sambung-shadow);
}
.sambung-dt-wrapper .table-responsive,
.sambung-dt-wrapper > .table {
    border-radius: var(--sambung-radius);
    overflow: hidden;
}
.sambung-col-no {
    width: 3rem;
    min-width: 3rem;
    white-space: nowrap;
}
th.sambung-sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 1.25rem !important;
}
th.sambung-sortable:hover {
    background: #eef2ff;
    color: var(--sambung-primary);
}
th.sambung-sortable::after {
    content: '\F229';
    font-family: 'bootstrap-icons';
    position: absolute;
    right: 0.35rem;
    opacity: 0.35;
    font-size: 0.75rem;
}
th.sambung-sortable.sort-asc::after {
    content: '\F148';
    opacity: 1;
    color: var(--sambung-primary);
}
th.sambung-sortable.sort-desc::after {
    content: '\F145';
    opacity: 1;
    color: var(--sambung-primary);
}

@media print {
    .sambung-dt-toolbar,
    .dashboard-sidebar,
    .dashboard-topbar,
    .navbar-sambung,
    footer,
    .btn,
    form { display: none !important; }
    .main-content { padding: 0 !important; }
    .card { box-shadow: none !important; border: none !important; }
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--sambung-border);
    padding: 0.55rem 0.85rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--sambung-primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
}
.form-label { font-weight: 500; color: #334155; font-size: 0.9rem; }

.btn { border-radius: 8px; font-weight: 500; padding: 0.5rem 1rem; }
.btn-primary { background: linear-gradient(180deg, #0d6efd, #0b5ed7); border: none; }
.btn-primary:hover { background: linear-gradient(180deg, #0b5ed7, #0a58ca); }

/* Auth */
.auth-card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--sambung-shadow-lg);
    overflow: hidden;
}
.auth-card-header {
    background: linear-gradient(135deg, #0f172a, #1e40af);
    color: #fff;
    padding: 1.5rem;
    text-align: center;
}

/* Badges status */
.badge-status { font-weight: 500; padding: 0.4em 0.75em; border-radius: 6px; }

.match-bar { height: 8px; border-radius: 999px; background: #e2e8f0; }
.match-bar .progress-bar { border-radius: 999px; }

/* Chat negosiasi */
.chat-box {
    max-height: 360px;
    overflow-y: auto;
    background: #f8fafc;
    border-radius: var(--sambung-radius);
    padding: 1rem;
}
.chat-bubble {
    max-width: 85%;
    padding: 0.65rem 1rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    font-size: 0.925rem;
}
.chat-bubble.me { background: #dbeafe; margin-left: auto; border-bottom-right-radius: 4px; }
.chat-bubble.them { background: #fff; border: 1px solid var(--sambung-border); border-bottom-left-radius: 4px; }
.chat-meta { font-size: 0.75rem; color: var(--sambung-muted); margin-bottom: 0.25rem; }

/* Footer */
footer.bg-dark { background: #0f172a !important; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--sambung-muted);
}
.empty-state i { font-size: 3rem; opacity: 0.4; margin-bottom: 1rem; }

/* Auth page */
.auth-page {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #f1f5f9 100%);
}
.auth-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0d6efd, #20c997);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

/* Sponsor avatar */
.sponsor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0d6efd, #6366f1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
}