:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --ink: #1f2937;
    --muted: #6b7280;
    --line: #dde3ea;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --warning: #d97706;
    --success: #047857;
    --teal: #0f766e;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", "Malgun Gothic", Arial, sans-serif;
    font-size: 14px;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    background: #111827;
    color: #fff;
    border-bottom: 1px solid #0b1220;
}

.topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nav a {
    color: #e5e7eb;
    padding: 8px 10px;
    border-radius: 6px;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav a.nav-logout {
    color: #fecaca;
}

.page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 20px 48px;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 18px;
}

h1 {
    margin: 0 0 6px;
    font-size: 26px;
}

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

.toolbar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.stats {
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
}

.stat .label {
    color: var(--muted);
    font-size: 12px;
}

.stat .value {
    margin-top: 8px;
    font-size: 24px;
    font-weight: 800;
}

.band {
    background: var(--panel);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    margin: 18px -20px;
    padding: 18px 20px;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.section-title h2 {
    margin: 0;
    font-size: 18px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

th,
td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

th {
    background: #f3f4f6;
    color: #374151;
    font-size: 12px;
    font-weight: 700;
}

tr:last-child td {
    border-bottom: none;
}

.num {
    text-align: right;
    white-space: nowrap;
}

.muted {
    color: var(--muted);
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    background: #eef2ff;
    color: #3730a3;
}

.pill.danger {
    background: #fee2e2;
    color: var(--danger);
}

.pill.warning {
    background: #fef3c7;
    color: var(--warning);
}

.pill.success {
    background: #dcfce7;
    color: var(--success);
}

.pill.teal {
    background: #ccfbf1;
    color: var(--teal);
}

.btn {
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
    border-radius: 6px;
    padding: 8px 11px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
}

.btn.primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn.primary:hover {
    background: var(--primary-dark);
}

.btn.danger {
    color: var(--danger);
}

.btn.small {
    min-height: 30px;
    padding: 5px 8px;
    font-size: 12px;
}

.inline-form {
    display: inline;
}

.search-form,
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 14px;
}

.search-form {
    grid-template-columns: minmax(260px, 1fr) auto;
    margin-bottom: 14px;
}

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

label {
    display: grid;
    gap: 6px;
    color: #374151;
    font-weight: 700;
}

input,
select {
    width: 100%;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid #cfd7e2;
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
}

.field-error {
    color: var(--danger);
    font-size: 12px;
}

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

.detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.kv {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 8px 14px;
}

.kv dt {
    color: var(--muted);
}

.kv dd {
    margin: 0;
    min-width: 0;
    word-break: break-word;
}

.notice {
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 14px;
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.notice.error {
    background: #fef2f2;
    color: var(--danger);
    border-color: #fecaca;
}

.login-body {
    min-height: 100vh;
    background: #111827;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: min(420px, 100%);
}

.login-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
}

.login-brand {
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 18px;
}

.login-form {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.login-submit {
    width: 100%;
}

@media (max-width: 920px) {
    .stats {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }

    .page-head,
    .topbar-inner,
    .detail-grid {
        align-items: stretch;
        flex-direction: column;
        display: flex;
    }

    .form-grid,
    .search-form {
        grid-template-columns: 1fr;
    }

    table {
        display: block;
        overflow-x: auto;
    }
}