/* =====================================================
   DASHBOARD - Premium Admin Edition
   ===================================================== */
:root {
    --db-sidebar-width: 264px;
    --db-header-height: 72px;
    --db-bg:           #f1f5f9;
    --db-card-bg:      #ffffff;
    --db-text-primary: #0f172a;
    --db-text-secondary: #475569;
    --db-border:       #e2e8f0;
}

.db-body {
    background-color: var(--db-bg);
    color: var(--db-text-primary);
    font-family: var(--font);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ── Layout ─────────────────────────────────────────── */
.db-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────── */
.db-sidebar {
    width: var(--db-sidebar-width);
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    box-sizing: border-box;
    z-index: 100;
    box-shadow: 4px 0 24px rgba(0,0,0,.15);
}

.db-brand {
    font-size: 18px;
    font-weight: 800;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 8px;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: opacity var(--transition);
    letter-spacing: -.2px;
}
.db-brand:hover { opacity: .85; color: #fff; }

.db-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
    padding: 8px 12px;
    overflow-y: auto;
}

.db-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #94a3b8;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    letter-spacing: .01em;
}
.db-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transform: scaleY(0);
    transition: transform var(--transition);
}
.db-nav-item:hover {
    background: rgba(255,255,255,.07);
    color: #e2e8f0;
    transform: translateX(3px);
}
.db-nav-item.active {
    background: linear-gradient(135deg, rgba(193,32,38,.35), rgba(193,32,38,.2));
    color: #fff;
    font-weight: 700;
    border: 1px solid rgba(193,32,38,.3);
}
.db-nav-item.active::before { transform: scaleY(1); }

.db-nav-user {
    margin-top: auto;
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
}
.db-nav-user .avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), #e83e3e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
}

/* ── Main Content Area ──────────────────────────────── */
.db-main {
    margin-left: var(--db-sidebar-width);
    flex-grow: 1;
    min-width: 0;
}

.db-header {
    height: var(--db-header-height);
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--db-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    box-sizing: border-box;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 2px 12px rgba(0,0,0,.05);
}

.db-content {
    padding: 36px 40px;
}

/* ── Stats Cards ─────────────────────────────────────── */
.db-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.db-stat-card {
    background: var(--db-card-bg);
    border: 1px solid var(--db-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.db-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}
.db-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #e83e3e);
    border-radius: 0;
}
.db-stat-card:nth-child(2)::before { background: linear-gradient(90deg, #3b82f6, #6366f1); }
.db-stat-card:nth-child(3)::before { background: linear-gradient(90deg, var(--success), #34d399); }
.db-stat-card:nth-child(4)::before { background: linear-gradient(90deg, var(--accent), #fcd34d); }

.db-stat-card .lbl {
    font-size: 12px;
    color: var(--db-text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
}
.db-stat-card .val {
    font-size: 32px;
    font-weight: 900;
    color: var(--db-text-primary);
    line-height: 1;
    letter-spacing: -1px;
}

/* ── Panel Sections ─────────────────────────────────── */
.db-panel { display: none; }
.db-panel.active {
    display: block;
    animation: fadeUp .3s ease-in-out;
}

/* ── Cards ───────────────────────────────────────────── */
.db-card {
    background: var(--db-card-bg);
    border: 1px solid var(--db-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.db-card:hover { box-shadow: var(--shadow); }

.db-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--db-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fafbfc;
}
.db-card-title {
    font-size: 16px;
    font-weight: 800;
    margin: 0;
    color: var(--db-text-primary);
    letter-spacing: -.2px;
}

/* ── Tables ──────────────────────────────────────────── */
.db-table-responsive { overflow-x: auto; }
.db-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}
.db-table th {
    background: #f8fafc;
    color: var(--db-text-secondary);
    font-weight: 700;
    padding: 14px 20px;
    border-bottom: 1.5px solid var(--db-border);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .6px;
    white-space: nowrap;
}
.db-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--db-border);
    color: var(--db-text-primary);
    vertical-align: middle;
}
.db-table tr:last-child td { border-bottom: none; }
.db-table tbody tr {
    transition: background var(--transition);
}
.db-table tbody tr:hover { background: #fafbfc; }

/* ── Form grid ───────────────────────────────────────── */
.db-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
@media(max-width: 768px) {
    .db-form-grid { grid-template-columns: 1fr; }
}

/* ── Action buttons ─────────────────────────────────── */
.db-btn-actions { display: flex; gap: 8px; }

/* ── Modals ──────────────────────────────────────────── */
.db-modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(15,23,42,.5);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
}
.db-modal.show { display: flex; }

.db-modal-content {
    background: #fff;
    margin: auto;
    padding: 36px;
    border-radius: var(--radius-2xl);
    box-shadow: 0 32px 80px rgba(0,0,0,.25);
    width: 90%;
    max-width: 600px;
    animation: scaleIn .3s cubic-bezier(.34,1.56,.64,1);
    border: 1px solid var(--db-border);
    position: relative;
}
.db-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #e83e3e);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.db-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 22px;
    cursor: pointer;
    color: var(--db-text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--db-bg);
    border: 1px solid var(--db-border);
    transition: all var(--transition);
    line-height: 1;
}
.db-modal-close:hover { color: var(--primary); background: var(--primary-light); border-color: var(--primary); }