:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --panel: #ffffff;
    --line: #d8dee9;
    --text: #1f2937;
    --muted: #6b7280;
    --sidebar: #111827;
    --sidebar-text: #e5e7eb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --danger-dark: #b91c1c;
    --warning-bg: #fff7ed;
    --warning-line: #fdba74;
    --success-bg: #ecfdf3;
    --success-line: #86efac;
    --danger-bg: #fef2f2;
    --danger-line: #fca5a5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 13px/1.55 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
}

.sidebar {
    padding: 20px 16px;
    background: var(--sidebar);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.brand-title {
    font-size: 17px;
    font-weight: 700;
}

.brand-subtitle {
    margin-top: 4px;
    font-size: 12px;
    color: #9ca3af;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-link {
    padding: 8px 10px;
    border-radius: 6px;
    color: #d1d5db;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 10px;
}

.sidebar-user {
    font-size: 12px;
    color: #9ca3af;
}

.main {
    padding: 18px 20px 28px;
}

.alerts {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.alert {
    padding: 9px 11px;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: var(--panel);
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-line);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-line);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger-line);
}

.page-head {
    margin-bottom: 14px;
}

.page-head h1 {
    margin: 0;
    font-size: 20px;
    line-height: 1.3;
}

.page-head p {
    margin: 4px 0 0;
    color: var(--muted);
}

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

.panel {
    padding: 14px;
    margin-bottom: 14px;
}

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

.panel-head h2 {
    margin: 0;
    font-size: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.stat-card {
    padding: 14px;
}

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

.stat-value {
    margin-top: 6px;
    font-size: 28px;
    line-height: 1;
    font-weight: 700;
}

.stat-meta {
    margin-top: 8px;
    color: var(--muted);
}

.form-grid {
    display: grid;
    gap: 12px;
}

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

.inline-fields {
    display: flex;
    gap: 10px;
    align-items: end;
    flex-wrap: nowrap;
}

.inline-fields .field {
    min-width: 0;
}

.field-xs {
    flex: 0 0 84px;
}

.field-sm {
    flex: 0 0 120px;
}

.field-md {
    flex: 0 0 170px;
}

.field-flex {
    flex: 1 1 auto;
}

.field-quarter {
    flex: 0 0 25%;
    width: 25%;
    max-width: 25%;
}

.field {
    display: grid;
    gap: 6px;
}

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

.field-wide {
    grid-column: span 2;
}

input,
select,
button,
textarea {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    min-height: 34px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
}

.form-actions {
    display: flex;
    align-items: end;
    flex: 0 0 auto;
}

.btn {
    min-height: 34px;
    padding: 7px 12px;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: #fff;
    color: var(--text);
    border-color: var(--line);
}

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

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

.btn-block {
    width: 100%;
}

.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.toolbar input {
    min-width: 240px;
    flex: 1 1 240px;
}

.toolbar-single-line {
    flex-wrap: nowrap;
    align-items: center;
}

.toolbar-single-line input {
    min-width: 0;
    flex: 1 1 auto;
}

.toolbar-single-line select,
.toolbar-single-line button {
    flex: 0 0 auto;
}

.toolbar-search {
    min-width: 0;
    flex: 1 1 auto;
}

.toolbar-search-compact {
    flex: 0 0 12.5vw;
    width: 12.5vw;
}

.toolbar-single-line input.toolbar-search-compact {
    min-width: 12.5vw;
    max-width: 12.5vw;
    flex: 0 0 12.5vw;
    width: 12.5vw;
}

.toolbar-search-lg {
    flex-basis: 360px;
}

.toolbar-search-xl {
    flex-basis: 460px;
}

.toolbar-select {
    flex: 0 0 auto;
}

.toolbar-select-md {
    width: 128px;
}

.toolbar-button {
    width: 76px;
    justify-content: center;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 9px 10px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
}

.mono {
    font-family: "Consolas", "SFMono-Regular", monospace;
    font-size: 12px;
}

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

.empty {
    text-align: center;
    color: var(--muted);
    padding: 18px;
}

.result-panel {
    border-color: #bfdbfe;
    background: #eff6ff;
}

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

.key-row {
    padding: 8px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #bfdbfe;
}

.compact-table th,
.compact-table td {
    white-space: nowrap;
}

.action-stack {
    display: flex;
    gap: 8px;
    min-width: 130px;
    align-items: center;
    flex-wrap: nowrap;
}

.action-stack form {
    margin: 0;
}

.inline-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: nowrap;
}

.inline-form select {
    width: auto;
    min-width: 96px;
}

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: min(360px, 100%);
    padding: 18px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--panel);
}

.login-title {
    font-size: 19px;
    font-weight: 700;
}

.login-subtitle {
    margin-top: 4px;
    margin-bottom: 14px;
    color: var(--muted);
}

@media (max-width: 1080px) {
    .stats-grid,
    .form-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        gap: 12px;
    }

    .stats-grid,
    .form-grid-4 {
        grid-template-columns: 1fr;
    }

    .inline-fields,
    .toolbar-single-line,
    .action-stack,
    .inline-form {
        flex-wrap: wrap;
    }

    .toolbar-search-compact {
        flex: 1 1 100%;
        width: 100%;
    }

    .toolbar-single-line input.toolbar-search-compact {
        min-width: 0;
        max-width: none;
        flex: 1 1 100%;
        width: 100%;
    }

    .field-xs,
    .field-sm,
    .field-md,
    .field-flex,
    .field-quarter {
        flex: 1 1 100%;
        width: 100%;
        max-width: none;
    }

    .field-wide {
        grid-column: span 1;
    }
}