:root {
    --crm-primary: #2563eb;
    --crm-success: #16a34a;
    --crm-warning: #d97706;
    --crm-danger: #dc2626;
    --crm-bg: #f3f4f6;
    --crm-card: #ffffff;
    --crm-border: #dbe2ea;
    --crm-text: #172033;
    --crm-muted: #6b7280;
}

body {
    font-family: "Segoe UI", "Microsoft JhengHei", sans-serif;
    background: linear-gradient(180deg, #edf4ff 0%, var(--crm-bg) 28%, #f8fafc 100%);
    color: var(--crm-text);
}

.auth-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 28%),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.14), transparent 22%),
        #f8fafc;
}

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 24px;
    box-shadow: 0 32px 80px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(18px);
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #fff;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    display: flex;
    gap: 0.875rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #38bdf8, #2563eb);
    border-radius: 14px;
    font-weight: 700;
}

.sidebar-nav {
    display: grid;
    gap: 0.35rem;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.78);
    border-radius: 14px;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 0.85rem 1rem;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.sidebar .nav-link.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.nav-section {
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 1rem;
    padding: 0.75rem 1rem 0.25rem;
}

.app-main {
    flex: 1;
    padding: 1.5rem 2rem 2rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-chip {
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--crm-border);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    min-width: 140px;
}

.page-headline {
    font-size: 1.75rem;
    font-weight: 700;
}

.content-wrap {
    display: grid;
    gap: 1.25rem;
}

.card-panel {
    background: var(--crm-card);
    border: 1px solid var(--crm-border);
    border-radius: 20px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.table-card,
.form-card {
    padding: 1.25rem;
}

.stat-card {
    padding: 1.25rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--crm-border);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.stat-card .label {
    color: var(--crm-muted);
    font-size: 0.9rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.tiny {
    font-size: 0.75rem;
}

.notification-menu {
    width: 360px;
    border: none;
    border-radius: 18px;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

.notification-header {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--crm-border);
    font-weight: 700;
}

.notification-item {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid #eef2f7;
}

.notification-item.unread {
    background: #eff6ff;
}

.bell-badge {
    position: absolute;
    top: -6px;
    right: -6px;
}

.required::after {
    content: " *";
    color: var(--crm-danger);
}

.list-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.search-inline {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1rem;
}

.dashboard-grid .card-panel {
    padding: 1.25rem;
}

.section-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--crm-muted);
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

@media (max-width: 1199px) {
    .sidebar {
        width: 240px;
    }

    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .app-shell {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
    }

    .app-main {
        padding: 1rem;
    }

    .topbar {
        flex-direction: column;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .notification-menu {
        width: 300px;
    }
}