:root {
    --color-bg: #0f172a;
    --color-panel: #111827;
    --color-card: #172033;
    --color-card-2: #1f2937;
    --color-border: #2f3a4f;
    --color-text: #e5e7eb;
    --color-text-muted: #94a3b8;
    --color-primary: #38bdf8;
    --color-primary-strong: #0ea5e9;
    --color-success: #34d399;
    --color-danger: #fb7185;
    --color-warning: #fbbf24;
    --shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

* {
    box-sizing: border-box;
}

html {
    font-size: 11.2px;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    letter-spacing: 0;
}

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

a:hover {
    color: #7dd3fc;
}

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

.sidebar {
    width: 270px;
    background: #0b1220;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
}

.sidebar-header {
    padding: 22px 20px;
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon,
.nav-icon,
.logo-icon-lg {
    display: inline-grid;
    place-items: center;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-section-label {
    margin: 18px 10px 8px;
    font-size: .72rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-weight: 700;
}

.nav-item {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--color-text-muted);
}

.nav-item.active,
.nav-item:hover {
    background: #162238;
    color: var(--color-text);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--color-primary);
    color: #06111f;
    font-weight: 800;
}

.user-name {
    font-weight: 650;
}

.user-role,
.stat-label,
.detail-label,
.text-muted {
    color: var(--color-text-muted);
}

.logout-btn {
    display: block;
    padding: 9px 10px;
    border-radius: 8px;
    background: #172033;
    color: var(--color-text);
}

.main-content {
    margin-left: 270px;
    width: calc(100% - 270px);
    min-height: 100vh;
}

.topbar {
    height: 62px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(15, 23, 42, .86);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.topbar-title {
    font-weight: 700;
}

.topbar-right {
    margin-left: auto;
    color: var(--color-text-muted);
}

.sidebar-toggle {
    display: none;
    background: transparent;
    border: 0;
    color: var(--color-text);
    font-size: 1.35rem;
}

.page-content {
    padding: 18px;
    max-width: 1600px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.stat-card,
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
}

.stat-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: #223049;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 800;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 750;
}

.card-body {
    padding: 16px;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.page-title {
    margin: 0 0 6px;
    font-size: 1.35rem;
}

.page-subtitle {
    margin: 0;
    color: var(--color-text-muted);
}

.filters-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.search-wrap {
    position: relative;
    flex: 1 1 300px;
    min-width: 240px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.search-input {
    padding-left: 38px;
    width: 100%;
    min-height: 34px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #0f172a;
    color: var(--color-text);
    font: inherit;
}

.search-spinner {
    display: none;
    position: absolute;
    right: 12px;
    top: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

.search-spinner.active {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 7px;
    color: #cbd5e1;
    font-size: .9rem;
    font-weight: 650;
}

.form-input,
.form-select,
textarea {
    width: 100%;
    min-height: 34px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 7px 9px;
    background: #0f172a;
    color: var(--color-text);
    font: inherit;
}

.form-input:focus,
.form-select:focus,
textarea:focus {
    outline: 2px solid rgba(56, 189, 248, .28);
    border-color: var(--color-primary);
}

.btn {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 7px 11px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--color-text);
    background: var(--color-card-2);
    font-weight: 700;
    cursor: pointer;
}

.btn-sm {
    min-height: 30px;
    padding: 5px 9px;
    font-size: .82rem;
}

.btn-primary {
    background: var(--color-primary-strong);
    color: #04111f;
}

.btn-danger {
    background: #be123c;
    color: #fff;
}

.btn-ghost {
    border-color: var(--color-border);
    background: transparent;
}

.btn-login {
    width: 100%;
    margin-top: 4px;
}

.btn-action {
    font-size: .82rem;
    color: #bae6fd;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

th,
td {
    padding: 5.6px 8px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: middle;
}

th {
    color: #cbd5e1;
    font-size: .72rem;
    text-transform: uppercase;
    background: #121c2e;
}

tr:hover td {
    background: rgba(255, 255, 255, .025);
}

.employee-link {
    color: var(--color-text);
    font-weight: 700;
}

.code-badge,
.badge {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    padding: 2px 7px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 750;
}

.code-badge {
    background: #0c4a6e;
    color: #bae6fd;
}

.badge-success {
    background: rgba(52, 211, 153, .16);
    color: var(--color-success);
}

.badge-danger {
    background: rgba(251, 113, 133, .16);
    color: var(--color-danger);
}

.empty-state {
    padding: 24px !important;
    text-align: center;
    color: var(--color-text-muted);
}

.empty-icon {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
}

.page-links {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.page-link {
    min-width: 34px;
    min-height: 34px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
}

.page-link.active {
    background: var(--color-primary-strong);
    color: #04111f;
    border-color: var(--color-primary-strong);
}

.page-link.disabled {
    opacity: .45;
    pointer-events: none;
}

.pagination-info {
    color: var(--color-text-muted);
    font-size: .9rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--color-border);
}

.detail-item {
    background: var(--color-card);
    padding: 16px;
    min-height: 74px;
}

.detail-label {
    font-size: .78rem;
    margin-bottom: 7px;
    text-transform: uppercase;
    font-weight: 750;
}

.detail-value {
    overflow-wrap: anywhere;
}

.alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    margin: 0 0 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.alert-success {
    background: rgba(52, 211, 153, .12);
    color: #bbf7d0;
    border-color: rgba(52, 211, 153, .35);
}

.alert-danger {
    background: rgba(251, 113, 133, .12);
    color: #fecdd3;
    border-color: rgba(251, 113, 133, .35);
}

.alert-info {
    background: rgba(56, 189, 248, .12);
    color: #bae6fd;
    border-color: rgba(56, 189, 248, .35);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: #0f172a;
}

.login-card {
    width: min(100%, 420px);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.login-logo {
    text-align: center;
    margin-bottom: 22px;
}

.logo-icon-lg {
    font-size: 2rem;
    margin-bottom: 8px;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
}

.login-subtitle,
.login-hint {
    color: var(--color-text-muted);
}

.login-hint {
    text-align: center;
    font-size: .86rem;
    margin: 18px 0 0;
}

.password-wrap {
    position: relative;
}

.password-wrap .form-input {
    padding-right: 46px;
}

.pw-toggle {
    position: absolute;
    right: 6px;
    top: 6px;
    width: 32px;
    height: 28px;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
}

.import-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.summary-box {
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #101a2d;
}

.summary-value {
    font-size: 1.3rem;
    font-weight: 800;
}

.summary-label {
    color: var(--color-text-muted);
    font-size: .85rem;
}

@media (max-width: 980px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .18s ease;
    }

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

    .sidebar-toggle {
        display: inline-grid;
        place-items: center;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

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

@media (max-width: 680px) {
    .page-content {
        padding: 16px;
    }

    .topbar {
        padding: 0 16px;
    }

    .stats-grid,
    .form-row,
    .detail-grid,
    .import-summary {
        grid-template-columns: 1fr;
    }

    .page-header,
    .pagination {
        flex-direction: column;
        align-items: stretch;
    }

    .filters-bar>* {
        width: 100% !important;
    }

    th,
    td {
        padding: 10px;
    }
}