:root {
    --ink: #1c2530;
    --muted: #657386;
    --line: #dfe5ec;
    --panel: #ffffff;
    --nav: #243447;
    --accent: #0f766e;
    --accent-dark: #0b5d57;
    --bg: #f5f7fa;
}

* {
    letter-spacing: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-size: 0.95rem;
}

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

.sidebar {
    width: 260px;
    background: var(--nav);
    color: #fff;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    font-weight: 700;
    font-size: 1.2rem;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.82);
    border-radius: 6px;
    padding: 10px 12px;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar-user {
    margin-top: auto;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-user strong,
.sidebar-user small {
    display: block;
}

.sidebar-user small {
    color: rgba(255, 255, 255, 0.62);
}

.content {
    flex: 1;
    padding: 24px;
    min-width: 0;
}

.page-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
}

.surface {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
}

.alert {
    border-radius: 8px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    gap: 14px;
}

.metric {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
}

.metric span {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    font-weight: 700;
}

.metric strong {
    display: block;
    margin-top: 8px;
    font-size: 1.8rem;
    line-height: 1.1;
}

.table {
    --bs-table-bg: transparent;
    --bs-table-hover-bg: #f7fafc;
}

.table thead th {
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    border-bottom-color: var(--line);
    white-space: nowrap;
}

.table tbody td {
    border-color: #eef2f6;
}

.form-control,
.form-select {
    border-color: var(--line);
    border-radius: 8px;
    min-height: 40px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(15, 118, 110, 0.16);
}

.form-label {
    color: var(--ink);
    font-size: 0.84rem;
    font-weight: 650;
}

.form-grid,
.employee-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid .full,
.employee-form-grid .full {
    grid-column: 1 / -1;
}

.role-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(130px, 1fr));
    gap: 10px 14px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f9fbfc;
}

.bulk-action-bar {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
    gap: 14px;
    align-items: end;
    margin-bottom: 16px;
}

.select-col {
    width: 44px;
    text-align: center;
}

.reason-cell {
    max-width: 260px;
    white-space: normal;
}

.decision-cell {
    min-width: 220px;
}

.decision-form {
    display: grid;
    grid-template-columns: minmax(110px, 1fr) auto;
    gap: 8px;
}

.btn {
    border-radius: 8px;
    font-weight: 650;
}

.btn-primary {
    --bs-btn-bg: var(--accent);
    --bs-btn-border-color: var(--accent);
    --bs-btn-hover-bg: var(--accent-dark);
    --bs-btn-hover-border-color: var(--accent-dark);
}

.badge {
    border-radius: 999px;
    font-weight: 650;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #eef7f5, #f7f9fc 55%, #edf2f7);
}

.login-panel {
    width: min(420px, calc(100vw - 32px));
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 24px 60px rgba(31, 41, 55, 0.12);
}

.turnstile-box {
    min-height: 65px;
    display: flex;
    align-items: center;
}

.page-loader {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.35);
    backdrop-filter: blur(2px);
    display: grid;
    place-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease;
    z-index: 2000;
}

.page-loader.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.loader-card {
    min-width: 180px;
    padding: 18px 22px;
    display: grid;
    justify-items: center;
    gap: 12px;
    background: rgba(17, 24, 39, 0.88);
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 18px 48px rgba(17, 24, 39, 0.26);
}

@media (max-width: 900px) {
    .app-shell {
        display: block;
    }

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

    .content {
        padding: 16px;
    }

    .page-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .metric-grid,
    .form-grid,
    .employee-form-grid,
    .role-grid,
    .bulk-action-bar {
        grid-template-columns: 1fr;
    }
}