:root {
    --sidebar-width: 240px;
    --primary: #1565C0;
    --primary-light: #1E88E5;
    --primary-dark: #0D47A1;
    --bg-body: #F5F7FA;
    --bg-sidebar: #1A1D21;
    --text-sidebar: #A0A4A8;
    --text-sidebar-active: #FFFFFF;
    --border-color: #E2E8F0;
}

* {
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-body);
    margin: 0;
}

/* ── Sidebar ───────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-sidebar);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    color: #fff;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-sidebar);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    color: var(--text-sidebar-active);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-link.active {
    color: var(--text-sidebar-active);
    background: rgba(21, 101, 192, 0.15);
    border-left-color: var(--primary);
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* ── Main content ──────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ── Cards ─────────────────────────────────────── */
.card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

/* ── Stats cards ───────────────────────────────── */
.stat-card {
    border-radius: 12px;
    padding: 1.25rem;
    background: #fff;
    border: 1px solid var(--border-color);
    transition: transform 0.15s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin: 0.25rem 0;
}

.stat-label {
    font-size: 0.8rem;
    color: #6B7280;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Badges ────────────────────────────────────── */
.badge-ok {
    background: #DCFCE7;
    color: #166534;
}

.badge-pending {
    background: #FEF3C7;
    color: #92400E;
}

.badge-error {
    background: #FEE2E2;
    color: #991B1B;
}

/* ── Tables ────────────────────────────────────── */
.table {
    font-size: 0.9rem;
}

.table th {
    font-weight: 600;
    color: #4B5563;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom-width: 1px;
}

/* ── Login ─────────────────────────────────────── */
.login-body {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    margin: 0 auto;
}

/* ── Responsive ────────────────────────────────── */
@@media (max-width: 767.98px) {
    .main-content {
        margin-left: 0;
    }
}

/* ── Offcanvas mobile ──────────────────────────── */
.offcanvas {
    width: 260px;
}

.offcanvas .sidebar-link {
    padding: 12px 16px;
    border-left: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ── Utilities ─────────────────────────────────── */
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}