:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --text: #20242a;
    --muted: #6f7782;
    --line: #dfe3e8;
    --primary: #1f6feb;
    --primary-strong: #1554b8;
    --success: #1f8f5f;
    --danger: #c93c37;
    --warning: #b8660b;
    --sidebar: #1f2933;
    --sidebar-text: #dce3ea;
    --sidebar-active: #ffffff;
}

* {
    box-sizing: border-box;
}

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

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

.layui-input,
.layui-textarea,
.layui-form select {
    width: 100%;
    min-height: 36px;
    border: 1px solid #d6dbe1;
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    padding: 0 10px;
    outline: none;
}

.layui-textarea {
    min-height: 92px;
    padding: 10px;
    resize: vertical;
}

.layui-input:focus,
.layui-textarea:focus,
.layui-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31,111,235,.12);
}

.layui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

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

.layui-btn-primary {
    background: #fff;
    color: var(--text);
    border-color: #cfd6df;
}

.layui-btn-primary:hover {
    background: #f3f6fa;
    color: var(--primary);
    border-color: var(--primary);
}

.layui-btn-normal {
    background: var(--success);
    border-color: var(--success);
}

.layui-btn-warm {
    background: var(--warning);
    border-color: var(--warning);
}

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

.layui-btn-sm,
.layui-btn-xs {
    min-height: 28px;
    padding: 0 10px;
    font-size: 12px;
}

.layui-btn-fluid {
    width: 100%;
}

.layui-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    margin: 0;
}

.layui-table th,
.layui-table td {
    border: 1px solid var(--line);
    padding: 9px 10px;
    text-align: left;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
}

.sidebar {
    background: var(--sidebar);
    color: var(--sidebar-text);
    padding: 18px 14px;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    padding: 0 8px 16px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}

.app-logo span,
.brand-mark {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    border-radius: 7px;
}

.app-logo strong {
    color: #fff;
    font-size: 16px;
}

.nav-list {
    display: grid;
    gap: 3px;
    margin-top: 16px;
}

.nav-list a {
    display: block;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--sidebar-text);
}

.nav-list a:hover,
.nav-list a.active {
    background: rgba(255,255,255,.12);
    color: var(--sidebar-active);
}

.nav-group {
    border-radius: 6px;
}

.nav-group.active {
    background: rgba(255,255,255,.07);
}

.nav-group-title {
    padding: 10px 12px 6px;
    color: #ffffff;
    font-weight: 600;
}

.nav-sub-list {
    display: grid;
    gap: 2px;
    padding: 0 0 6px 12px;
}

.nav-sub-list a {
    padding: 8px 10px;
    font-size: 13px;
}

.main-shell {
    min-width: 0;
}

.topbar {
    height: 72px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.topbar h1 {
    margin: 0;
    font-size: 20px;
    line-height: 1.35;
}

.topbar p,
.muted,
.panel-head span,
.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.content {
    padding: 20px 24px 40px;
}

.toolbar {
    display: flex;
    align-items: end;
    flex-wrap: wrap;
    gap: 10px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    margin-bottom: 14px;
}

.toolbar label {
    display: grid;
    gap: 5px;
    min-width: 160px;
    color: var(--muted);
}

.toolbar .layui-input {
    height: 34px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}

.metric-card,
.panel,
.table-panel,
.warning-panel,
.total-bar,
.edit-form {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.metric-card {
    padding: 16px;
}

.metric-card span,
.metric-card em {
    display: block;
    color: var(--muted);
    font-style: normal;
    font-size: 13px;
}

.metric-card strong {
    display: block;
    margin: 8px 0 6px;
    font-size: 22px;
    line-height: 1.2;
    word-break: break-word;
}

.panel-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr);
    gap: 14px;
    margin-bottom: 14px;
}

.panel {
    padding: 16px;
    margin-bottom: 14px;
}

.panel.narrow {
    max-width: 680px;
}

.panel h2,
.warning-panel h2 {
    margin: 0 0 12px;
    font-size: 16px;
}

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

.panel-head h2 {
    margin: 0;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.quick-grid a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #f8fafc;
}

.quick-grid a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.warning-panel {
    border-color: #efb4b1;
    background: #fff6f5;
    padding: 14px 16px;
    margin-bottom: 14px;
}

.warning-panel h2 {
    color: var(--danger);
}

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

.warning-list span {
    color: var(--danger);
    border: 1px solid #f0c6c4;
    background: #fff;
    border-radius: 6px;
    padding: 6px 8px;
}

.total-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 14px;
}

.total-bar span {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    min-width: 130px;
}

.total-bar em {
    color: var(--muted);
    font-style: normal;
}

.total-bar strong {
    font-size: 16px;
}

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

.data-table {
    min-width: 980px;
}

.data-table th {
    white-space: nowrap;
    background: #f8fafc;
}

.data-table td {
    vertical-align: middle;
}

.actions-col {
    width: 118px;
    white-space: nowrap;
}

.inline-form {
    display: inline;
}

.empty-state {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 34px;
    text-align: center;
    color: var(--muted);
}

.edit-form {
    padding: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 14px;
}

.form-item {
    display: grid;
    gap: 6px;
}

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

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

.form-help {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.form-item b {
    color: var(--danger);
    margin-left: 3px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.upload-form {
    display: grid;
    gap: 14px;
}

.alert {
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
}

.alert-success {
    background: #edf8f2;
    border: 1px solid #bde5ce;
    color: var(--success);
}

.alert-error {
    background: #fff3f2;
    border: 1px solid #efb4b1;
    color: var(--danger);
}

.text-danger {
    color: var(--danger);
    font-weight: 600;
}

.text-success {
    color: var(--success);
    font-weight: 600;
}

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 18%, rgba(39, 180, 255, .34), transparent 26%),
        radial-gradient(circle at 82% 12%, rgba(28, 217, 170, .22), transparent 28%),
        radial-gradient(circle at 72% 78%, rgba(31, 111, 235, .30), transparent 30%),
        linear-gradient(135deg, #07111f 0%, #0b1f35 48%, #091521 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(91, 196, 255, .10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 196, 255, .10) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.35));
    pointer-events: none;
}

.login-page::after {
    content: "";
    position: fixed;
    width: 56vw;
    height: 56vw;
    right: -22vw;
    top: -26vw;
    border: 1px solid rgba(98, 214, 255, .22);
    border-radius: 50%;
    box-shadow: inset 0 0 70px rgba(98, 214, 255, .10), 0 0 80px rgba(31, 111, 235, .22);
    pointer-events: none;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-panel {
    width: min(460px, 100%);
    background: rgba(255, 255, 255, .94);
    border: 1px solid rgba(170, 217, 255, .45);
    border-radius: 8px;
    padding: 28px;
    box-shadow: 0 24px 70px rgba(0, 13, 32, .42);
    backdrop-filter: blur(14px);
    position: relative;
    z-index: 1;
}

.brand-block {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 22px;
}

.brand-block h1 {
    margin: 0;
    font-size: 20px;
}

.brand-block p {
    margin: 5px 0 0;
    color: var(--muted);
}

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

.login-form label {
    display: grid;
    gap: 7px;
}

.remember-row {
    display: inline-flex !important;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 8px !important;
    color: var(--muted);
    width: fit-content;
}

.remember-row input {
    width: 16px;
    height: 16px;
}

.print-page {
    background: #fff;
    padding: 20px;
}

.print-page .table-panel,
.print-page .total-bar {
    border: none;
}

@media (max-width: 1120px) {
    .metric-grid {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
    }
    .panel-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

@media (max-width: 760px) {
    .app-shell {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
        padding: 12px;
    }
    .nav-list {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    .nav-group {
        min-width: 160px;
    }
    .nav-sub-list {
        padding-left: 8px;
    }
    .nav-list a {
        white-space: nowrap;
    }
    .topbar {
        height: auto;
        align-items: flex-start;
        gap: 12px;
        padding: 14px;
        flex-direction: column;
    }
    .content {
        padding: 14px;
    }
    .metric-grid,
    .form-grid,
    .quick-grid {
        grid-template-columns: 1fr;
    }
}

@media print {
    .sidebar,
    .topbar,
    .toolbar,
    .layui-btn,
    .actions-col {
        display: none !important;
    }
    .app-shell {
        display: block;
    }
    .content {
        padding: 0;
    }
    body {
        background: #fff;
    }
    .panel,
    .table-panel,
    .total-bar {
        border: none;
    }
}