:root {
    --sidebar-width: 252px;
    --surface: #ffffff;
    --surface-muted: #f3f5f7;
    --line: #d9dee5;
    --text: #1f2933;
    --muted: #667085;
    --primary: #1f5eff;
    --primary-dark: #1747be;
    --success: #16824a;
    --danger: #b42318;
    --warning: #b54708;
    --sidebar: #17202c;
    --sidebar-link: #cbd5e1;
}

* {
    box-sizing: border-box;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
}

.page {
    background: var(--surface-muted);
}

.app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    background: var(--sidebar);
    color: #fff;
    padding: 18px 14px;
    z-index: 20;
}

.app-sidebar .container-fluid {
    display: flex;
    min-height: 100%;
    flex-direction: column;
}

.brand,
.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    padding: 4px 8px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    border-radius: 4px;
}

.brand-name {
    font-size: 18px;
    font-weight: 700;
}

.brand-subtitle {
    color: #9aa7b7;
    font-size: 12px;
}

.sidebar-nav {
    padding-top: 18px;
    display: grid;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    min-height: 40px;
    padding: 9px 10px;
    color: var(--sidebar-link);
    border-radius: 4px;
    font-weight: 600;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.nav-section {
    margin: 18px 10px 6px;
    color: #8d9aab;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

.sidebar-footer {
    margin-top: auto;
    padding: 14px 4px 0;
}

.page-wrapper {
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    margin-left: var(--sidebar-width);
}

.app-topbar {
    min-height: 64px;
}

.content-area {
    padding: 0 0 32px;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    background: #fff;
}

.user-avatar {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    background: #e8eefc;
    color: var(--primary-dark);
    font-weight: 700;
}

.user-meta {
    display: grid;
    line-height: 1.2;
}

.user-meta span {
    color: var(--muted);
    font-size: 12px;
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.kpi-card {
    padding: 16px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.kpi-label {
    margin-top: 8px;
    color: var(--muted);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.wide {
    grid-column: 1 / -1;
}

.list-stack {
    display: grid;
    gap: 8px;
}

.work-row,
.timeline-item,
.report-item,
.calendar-column,
.settings-list div,
.skeleton-block {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--line);
    background: #fff;
}

.work-row.is-danger {
    border-left: 4px solid var(--danger);
}

.timeline-item {
    justify-content: flex-start;
    margin-bottom: 8px;
}

.timeline-time {
    min-width: 56px;
    color: var(--primary-dark);
    font-weight: 700;
}

.status-pill,
.phase-badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border: 1px solid #cfd7e3;
    background: #f8fafc;
    color: #344054;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.status-pill.danger {
    color: var(--danger);
    border-color: #f3b4ae;
    background: #fff1f0;
}

.status-pill.success {
    color: var(--success);
    border-color: #b7e4c7;
    background: #effaf3;
}

.status-pill.warning {
    color: var(--warning);
    border-color: #fedf89;
    background: #fffaeb;
}

.calendar-placeholder,
.report-grid,
.settings-list,
.admin-grid {
    display: grid;
    gap: 10px;
}

.calendar-placeholder {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calendar-column {
    min-height: 120px;
    flex-direction: column;
    justify-content: flex-start;
}

.report-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.report-item {
    min-height: 110px;
    flex-direction: column;
    justify-content: flex-start;
}

.settings-list,
.admin-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.chart-box {
    min-height: 240px;
}

.apex-placeholder {
    display: grid;
    gap: 10px;
}

.apex-row {
    display: grid;
    grid-template-columns: 140px 1fr 40px;
    align-items: center;
    gap: 10px;
}

.apex-row div {
    height: 10px;
    background: #e8eefc;
}

.apex-row i {
    display: block;
    height: 100%;
    background: var(--primary);
}

.empty-state {
    max-width: 520px;
    padding: 28px 0;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: #eef2f7;
}

.login-shell {
    width: min(440px, calc(100% - 28px));
}

.login-panel {
    padding: 26px;
}

.login-brand {
    margin-bottom: 22px;
}

.login-brand h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
}

.login-brand p {
    margin: 2px 0 0;
    color: var(--muted);
}

.demo-box {
    margin-top: 16px;
    padding: 12px;
    background: #f8fafc;
    border: 1px solid var(--line);
    color: #475467;
    font-size: 13px;
}

.table thead th {
    color: #344054;
    background: #f8fafc;
    font-size: 13px;
}

@media (max-width: 992px) {
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform .18s ease;
    }

    .sidebar-open .app-sidebar {
        transform: translateX(0);
    }

    .page-wrapper {
        width: 100%;
        margin-left: 0;
    }

    .kpi-grid,
    .dashboard-grid,
    .report-grid,
    .settings-list,
    .admin-grid,
    .calendar-placeholder {
        grid-template-columns: 1fr;
    }

    .container-xl {
        padding: 0 14px;
    }
}