:root {
    --primary: #347ED1;
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
    --text: #333333;
    --muted: #666666;
    --light: #999999;
    --bg: #F8F9FA;
    --card: #FFFFFF;
    --border: #EEEEEE;
    --shadow: 0 1px 4px #00000008;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    font-size: 14px;
    letter-spacing: 0;
}

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

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 190px 1fr;
}

.sidebar {
    background: var(--card);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
}

.brand {
    padding: 0 8px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 18px;
}

.brand span {
    display: block;
    font-weight: 700;
    font-size: 18px;
}

.brand small {
    display: block;
    color: var(--light);
    margin-top: 4px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav a {
    color: var(--muted);
    padding: 10px 12px;
    border-radius: 6px;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
    background: #F2F7FD;
}

.main {
    min-width: 0;
}

.topbar {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 26px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.topbar p {
    margin: 6px 0 0;
    color: var(--light);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.content {
    padding: 24px;
}

.site-footer {
    padding: 0 24px 24px;
    color: var(--light);
    font-size: 13px;
    text-align: center;
}

.site-footer a {
    color: var(--light);
}

.site-footer a:hover {
    color: var(--primary);
}

.section-title {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
}

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

.section-title p {
    margin: 8px 0 0;
    color: var(--muted);
}

.panel {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
}

.panel h3 {
    margin: 0 0 16px;
    font-size: 16px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.stat span,
.stat small {
    display: block;
    color: var(--muted);
}

.stat strong {
    display: block;
    font-size: 24px;
    margin: 8px 0;
}

.plain-grid {
    display: grid;
    gap: 20px;
}

.plain-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

.grid-form .wide,
.form-actions {
    grid-column: 1 / -1;
}

.inline-form {
    display: grid;
    grid-template-columns: 1fr 220px auto;
    align-items: end;
}

label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--muted);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    font: inherit;
    color: var(--text);
    background: #fff;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.btn,
button {
    border: 0;
    border-radius: 6px;
    padding: 10px 16px;
    font: inherit;
    cursor: pointer;
}

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

.btn.ghost {
    background: #fff;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.form-actions {
    display: flex;
    gap: 12px;
}

.reject-form,
.delivery-form {
    margin-top: 15px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 840px;
}

th,
td {
    padding: 13px 12px;
    text-align: left;
    border: 0;
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-weight: 600;
    background: #fff;
}

tbody tr:nth-child(even) {
    background: #FAFAFA;
}

tbody tr:hover {
    background: #F2F7FD;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 6px;
    color: var(--muted);
    background: #F5F5F5;
    white-space: nowrap;
}

.badge.ok {
    color: var(--success);
    background: #F2FAF2;
}

.badge.warn {
    color: var(--warning);
    background: #FFF8EF;
}

.badge.danger {
    color: var(--danger);
    background: #FFF3F2;
}

.badge.info {
    color: var(--primary);
    background: #F2F7FD;
}

.link,
.link-button {
    color: var(--primary);
    background: transparent;
    border: 0;
    padding: 0;
    margin-right: 10px;
}

.link-button.danger,
.danger {
    color: var(--danger);
}

.inline {
    display: inline;
}

.tiny-form {
    display: inline-flex;
    gap: 6px;
    align-items: center;
}

.tiny-form input {
    width: 92px;
    padding: 6px 8px;
}

.empty {
    color: var(--light);
    padding: 28px 0;
    text-align: center;
}

.flash {
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    background: #F2F7FD;
    color: var(--primary);
}

.flash.error {
    background: #FFF3F2;
    color: var(--danger);
}

.flash.success {
    background: #F2FAF2;
    color: var(--success);
}

.detail-list {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
    margin: 0;
}

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

.detail-list dd {
    margin: 0;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.timeline-item {
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.timeline-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.timeline-item span {
    color: var(--light);
    font-size: 13px;
}

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

.timeline-item p {
    margin: 6px 0 0;
}

.preline {
    white-space: pre-line;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.muted,
.form-hint {
    color: var(--muted);
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--bg);
    padding: 32px 0;
}

.login-panel {
    width: min(920px, calc(100vw - 40px));
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: center;
}

.login-copy {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 42px;
}

.login-copy h1 {
    margin: 0;
    font-size: 32px;
}

.login-copy p {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 16px;
}

.login-form {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 26px;
}

.setup-code {
    margin: 16px 0;
    padding: 14px;
    color: var(--muted);
    background: #F8F9FA;
    border: 1px solid var(--border);
    border-radius: 6px;
    white-space: pre-wrap;
    line-height: 1.7;
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
}

.login-footer {
    position: fixed;
    right: 0;
    bottom: 18px;
    left: 0;
    padding: 0 20px;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .nav {
        flex-direction: row;
        overflow-x: auto;
    }

    .topbar,
    .section-title {
        align-items: flex-start;
        flex-direction: column;
        height: auto;
        padding: 18px;
    }

    .stats,
    .plain-grid.two,
    .grid-form,
    .login-panel,
    .inline-form {
        grid-template-columns: 1fr;
    }

    .content {
        padding: 18px;
    }

    .site-footer {
        padding: 0 18px 18px;
    }

    .login-footer {
        position: static;
        margin-top: 18px;
    }
}