/* 微信支付模拟收银台 · 样式表
   移动优先，断点：640px（小屏横向）、900px（平板/桌面）、1100px（宽屏） */

:root {
    --green: #07c160;
    --green-dark: #059a4c;
    --green-soft: #e8f8ef;
    --ink: #16211b;
    --text: #24302a;
    --muted: #6b7a72;
    --line: #e2e8e4;
    --bg: #f4f6f5;
    --surface: #ffffff;
    --blue: #2563eb;
    --blue-soft: #eaf0fe;
    --amber: #b45309;
    --amber-soft: #fdf3e3;
    --red: #d92d20;
    --red-soft: #fdecea;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(22, 33, 27, .06), 0 8px 24px rgba(22, 33, 27, .05);
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    letter-spacing: 0;
}

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

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.3;
    margin: 0 0 8px;
}

h1 {
    font-size: 22px;
}

h2 {
    font-size: 17px;
}

p {
    margin: 0 0 10px;
}

code {
    background: #eef2f0;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: .86em;
    padding: 1px 5px;
    word-break: break-all;
}

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

.small {
    font-size: 13px;
}

.mono {
    font-family: var(--mono);
    font-size: .92em;
}

.block {
    display: block;
}

.skip-link {
    background: var(--ink);
    color: #fff;
    left: 8px;
    padding: 8px 14px;
    position: absolute;
    top: -60px;
    z-index: 50;
}

.skip-link:focus {
    top: 8px;
}

/* ---------- 顶栏 ---------- */

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1120px;
    padding: 10px 16px;
}

.brand {
    align-items: center;
    color: var(--ink);
    display: flex;
    gap: 10px;
    min-width: 0;
}

.brand:hover {
    text-decoration: none;
}

.brand-mark,
.method-logo {
    align-items: center;
    background: var(--green);
    border-radius: var(--radius-sm);
    color: #fff;
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 15px;
    font-weight: 700;
    height: 30px;
    justify-content: center;
    width: 30px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.25;
    min-width: 0;
}

.brand-text small {
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
}

.topbar-nav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    font-size: 14px;
    justify-content: flex-end;
}

.topbar-nav a {
    color: var(--text);
    padding: 4px 0;
}

.topbar-nav a:hover {
    color: var(--green-dark);
}

.inline-form {
    display: inline;
    margin: 0;
}

.link-button {
    background: none;
    border: 0;
    color: var(--muted);
    cursor: pointer;
    font: inherit;
    padding: 4px 0;
}

.link-button:hover {
    color: var(--red);
}

/* ---------- 布局 ---------- */

.shell {
    margin: 0 auto;
    max-width: 1120px;
    padding: 20px 16px 40px;
}

.page-head {
    margin-bottom: 18px;
}

.page-head-compact {
    align-items: flex-end;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
}

.eyebrow {
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    margin: 0 0 4px;
    text-transform: uppercase;
}

.lead {
    color: var(--muted);
    margin: 0;
    max-width: 62ch;
}

.layout-two {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr);
}

.side-column {
    display: grid;
    gap: 16px;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.panel-quiet {
    box-shadow: none;
}

.panel-narrow {
    margin: 32px auto;
    max-width: 520px;
}

.panel-title {
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    margin: 0 0 16px;
    padding-bottom: 10px;
}

.panel-error {
    border-color: #f3c9c5;
}

/* ---------- 表单 ---------- */

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

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

.field label,
.field-label {
    color: var(--ink);
    font-size: 13px;
    font-weight: 600;
}

input[type="text"],
input[type="search"],
input[type="password"],
input[type="date"],
select {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--text);
    font: inherit;
    min-height: 44px;
    padding: 9px 12px;
    width: 100%;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(7, 193, 96, .18);
    outline: none;
}

.field-error {
    color: var(--red);
    font-size: 13px;
    margin: 0;
}

.amount-input {
    align-items: center;
    display: flex;
    position: relative;
}

.amount-prefix {
    color: var(--muted);
    font-size: 18px;
    left: 12px;
    position: absolute;
}

.amount-input input {
    font-size: 20px;
    font-variant-numeric: tabular-nums;
    padding-left: 34px;
}

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

.chip {
    align-items: center;
    background: #f7f9f8;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 13px;
    gap: 6px;
    min-height: 36px;
    padding: 6px 12px;
}

.chip:hover {
    border-color: var(--green);
    color: var(--green-dark);
}

.chip.is-active {
    background: var(--green-soft);
    border-color: var(--green);
    color: var(--green-dark);
}

.chip-price {
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

/* ---------- 按钮 ---------- */

.btn {
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 600;
    gap: 6px;
    justify-content: center;
    min-height: 44px;
    padding: 9px 18px;
    text-align: center;
    transition: background-color .15s ease, border-color .15s ease;
}

.btn:hover {
    text-decoration: none;
}

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

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

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

.btn-ghost:hover {
    border-color: #c9d3cd;
    color: var(--green-dark);
}

.btn-danger {
    background: #fff;
    border-color: #f0c6c1;
    color: var(--red);
}

.btn-danger:hover {
    background: var(--red-soft);
    border-color: var(--red);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    font-size: 16px;
    min-height: 50px;
}

.btn-sm {
    font-size: 13px;
    min-height: 36px;
    padding: 6px 12px;
}

.btn-xs {
    font-size: 12px;
    min-height: 30px;
    padding: 4px 10px;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: .6;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

/* ---------- 提示 / 徽标 ---------- */

.flash {
    background: var(--blue-soft);
    border: 1px solid #c9d8fb;
    border-radius: var(--radius-sm);
    color: #1e3a8a;
    font-size: 14px;
    margin-bottom: 14px;
    padding: 10px 14px;
}

.flash-success {
    background: var(--green-soft);
    border-color: #bfe8ce;
    color: #05603a;
}

.flash-error {
    background: var(--red-soft);
    border-color: #f3c9c5;
    color: #912018;
}

.badge {
    background: #f0f3f1;
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    padding: 2px 10px;
}

.badge-ok {
    background: var(--green-soft);
    color: var(--green-dark);
}

.status-pill {
    border-radius: 999px;
    display: inline-block;
    font-size: 12px;
    padding: 2px 10px;
    white-space: nowrap;
}

.status-pill.is-pending {
    background: var(--amber-soft);
    color: var(--amber);
}

.status-pill.is-paid {
    background: var(--green-soft);
    color: var(--green-dark);
}

.status-pill.is-muted {
    background: #eef1ef;
    color: var(--muted);
}

.hint {
    background: var(--amber-soft);
    border: 1px solid #f2ddba;
    border-radius: var(--radius-sm);
    color: #8a4b09;
    font-size: 13px;
    margin: 12px 0 0;
    padding: 10px 12px;
}

.pre-block {
    background: #f7f9f8;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    font-size: 13px;
    overflow-x: auto;
    padding: 12px;
    white-space: pre-wrap;
}

/* ---------- 支付方式 / 订单列表 ---------- */

.method-card {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    display: flex;
    gap: 12px;
    padding: 12px;
}

.method-card.is-active {
    background: var(--green-soft);
    border-color: #bfe8ce;
}

.method-card > div {
    flex: 1 1 auto;
    min-width: 0;
}

.method-card p {
    margin: 0;
}

.plain-list {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
}

.plain-list li {
    border-top: 1px solid var(--line);
    padding: 8px 0;
}

.order-list {
    display: grid;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.order-list a {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--text);
    display: flex;
    gap: 10px;
    justify-content: space-between;
    padding: 10px 12px;
}

.order-list a:hover {
    border-color: var(--green);
    text-decoration: none;
}

.order-list-main {
    display: grid;
    min-width: 0;
}

.order-list-main strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.order-list-side {
    align-items: flex-end;
    display: grid;
    flex: 0 0 auto;
    gap: 2px;
    justify-items: end;
}

.amount-small {
    font-variant-numeric: tabular-nums;
}

/* ---------- 支付页 ---------- */

.layout-pay {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr);
}

.qr-card {
    align-items: center;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.qr-head {
    align-items: center;
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    text-align: left;
}

.qr-head p {
    margin: 0;
}

.qr-frame {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    display: inline-flex;
    line-height: 0;
    padding: 12px;
}

.qr-frame svg {
    display: block;
    height: auto;
    max-width: 100%;
    width: 216px;
}

.qr-frame-sm svg {
    width: 150px;
}

.qr-status {
    align-items: center;
    color: var(--muted);
    display: flex;
    font-size: 14px;
    gap: 8px;
    margin-top: 16px;
}

.countdown {
    background: #f2f5f3;
    border-radius: 999px;
    color: var(--text);
    font-family: var(--mono);
    font-size: 13px;
    padding: 2px 10px;
}

.countdown.is-over {
    background: var(--red-soft);
    color: var(--red);
}

.spinner {
    animation: spin 1s linear infinite;
    border: 2px solid rgba(7, 193, 96, .25);
    border-radius: 50%;
    border-top-color: var(--green);
    display: inline-block;
    height: 14px;
    width: 14px;
}

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

.qr-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 14px;
}

.amount-display {
    color: var(--ink);
    font-size: 34px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.1;
    margin: 4px 0 16px;
}

.amount-currency {
    font-size: 20px;
    margin-right: 2px;
}

.kv {
    display: grid;
    gap: 0;
    margin: 0 0 16px;
}

.kv > div {
    border-bottom: 1px dashed var(--line);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 9px 0;
}

.kv dt {
    color: var(--muted);
    flex: 0 0 auto;
    font-size: 13px;
}

.kv dd {
    margin: 0;
    text-align: right;
    word-break: break-all;
}

.panel-result {
    margin: 20px auto 0;
    max-width: 560px;
    text-align: center;
}

.result-icon {
    align-items: center;
    border-radius: 50%;
    display: inline-flex;
    font-size: 26px;
    height: 56px;
    justify-content: center;
    margin-bottom: 12px;
    width: 56px;
}

.result-icon.is-ok {
    background: var(--green-soft);
    color: var(--green-dark);
}

.result-icon.is-muted {
    background: #eef1ef;
    color: var(--muted);
}

.result-title {
    font-size: 20px;
}

.result-amount {
    color: var(--ink);
    font-size: 30px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    margin: 4px 0 6px;
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 18px;
}

.mobile-action-bar {
    background: rgba(255, 255, 255, .97);
    border-top: 1px solid var(--line);
    bottom: 0;
    display: flex;
    gap: 10px;
    left: 0;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    position: sticky;
    right: 0;
    z-index: 20;
}

.mobile-action-bar .btn {
    flex: 1 1 0;
}

/* ---------- 模拟收银台（移动端） ---------- */

.page-mock {
    background: #f2f4f3;
}

.page-mock .site-foot {
    display: none;
}

.mock-shell {
    display: grid;
    gap: 12px;
    margin: 0 auto;
    max-width: 520px;
    padding: 14px 14px 28px;
}

.mock-head {
    align-items: center;
    display: flex;
    gap: 10px;
    padding: 4px 2px 8px;
}

.mock-head strong {
    color: var(--ink);
    display: block;
    font-size: 15px;
}

.mock-sub {
    color: var(--muted);
    font-size: 12px;
    margin: 0;
}

.mock-back {
    color: var(--muted);
    font-size: 22px;
    line-height: 1;
}

.mock-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 18px;
    text-align: center;
}

.mock-label {
    color: var(--muted);
    font-size: 13px;
    margin: 0;
}

.mock-amount {
    color: var(--ink);
    font-size: 34px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    margin: 6px 0 16px;
}

.mock-card .kv {
    text-align: left;
}

.mock-card h1 {
    font-size: 19px;
}

.mock-pay-method {
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    display: flex;
    gap: 12px;
    padding: 14px 16px;
}

.mock-pay-method > div {
    flex: 1 1 auto;
}

.mock-pay-method p {
    margin: 0;
}

.mock-actions {
    display: grid;
    gap: 10px;
}

.mock-result {
    text-align: center;
}

.mock-foot {
    margin: 4px 0 0;
    text-align: center;
}

/* ---------- 后台 ---------- */

.stat-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    margin-bottom: 16px;
}

.stat {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 16px;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
    margin: 0;
}

.stat-value {
    color: var(--ink);
    font-size: 24px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    margin: 2px 0;
}

.stat-foot {
    margin: 0;
}

.filter-bar {
    align-items: end;
    border-bottom: 1px solid var(--line);
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 16px;
}

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

.filter-field label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.filter-actions {
    display: flex;
    gap: 8px;
}

.table-toolbar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    margin-bottom: 10px;
}

.table-toolbar p {
    margin: 0;
}

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

.table-toolbar-actions select {
    min-height: 36px;
    width: auto;
}

.check {
    align-items: center;
    color: var(--muted);
    display: inline-flex;
    font-size: 13px;
    gap: 6px;
}

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

.data-table {
    border-collapse: collapse;
    font-size: 14px;
    width: 100%;
}

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

.data-table th {
    background: #f8faf9;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: #fafcfb;
}

.data-table .col-check {
    width: 36px;
}

.data-table .col-amount {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.data-table .col-action {
    white-space: nowrap;
}

.empty-row td {
    color: var(--muted);
    padding: 26px 10px;
    text-align: center;
}

.pagination {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: 16px;
}

.page-link {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13px;
    min-width: 36px;
    padding: 6px 10px;
    text-align: center;
}

.page-link:hover {
    border-color: var(--green);
    text-decoration: none;
}

.page-link.is-current {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.timeline {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.timeline li {
    border-left: 2px solid var(--line);
    padding-left: 12px;
}

.timeline-event {
    color: var(--ink);
    font-weight: 600;
    margin: 0;
}

.timeline li p {
    margin: 0 0 4px;
}

/* ---------- 页脚 / 轻提示 ---------- */

.site-foot {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
    margin-top: 20px;
    padding: 20px 16px 32px;
    text-align: center;
}

.site-foot p {
    margin: 0 0 4px;
}

.toast-stack {
    bottom: 20px;
    display: grid;
    gap: 8px;
    justify-items: center;
    left: 16px;
    pointer-events: none;
    position: fixed;
    right: 16px;
    z-index: 100;
}

.toast {
    background: rgba(22, 33, 27, .92);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    max-width: 420px;
    padding: 10px 16px;
    transition: opacity .24s ease, transform .24s ease;
}

.toast-success {
    background: rgba(5, 154, 76, .95);
}

.toast-error {
    background: rgba(217, 45, 32, .95);
}

.toast.is-out {
    opacity: 0;
    transform: translateY(6px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
    .filter-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 900px) {
    .shell {
        padding: 28px 24px 48px;
    }

    h1 {
        font-size: 26px;
    }

    .layout-two {
        grid-template-columns: minmax(0, 1.4fr) minmax(280px, .85fr);
    }

    .layout-pay {
        align-items: start;
        grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    }

    .mobile-action-bar {
        display: none;
    }

    .filter-bar {
        grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)) auto;
    }

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

@media (max-width: 899px) {
    .page-pay .shell {
        padding-bottom: 90px;
    }
}

@media (max-width: 860px) {
    .data-table thead {
        display: none;
    }

    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-sm);
        margin-bottom: 10px;
        padding: 6px 2px;
    }

    .data-table td {
        border-bottom: 1px dashed var(--line);
        display: flex;
        gap: 12px;
        justify-content: space-between;
        padding: 8px 12px;
        text-align: right;
    }

    .data-table td:last-child {
        border-bottom: 0;
    }

    .data-table td::before {
        color: var(--muted);
        content: attr(data-label);
        flex: 0 0 auto;
        font-size: 12px;
        font-weight: 600;
    }

    .data-table .col-check {
        justify-content: flex-start;
        text-align: left;
    }

    .data-table .col-action {
        justify-content: flex-end;
    }

    .empty-row {
        border: 0;
        padding: 0;
    }
}

@media (max-width: 480px) {
    .shell {
        padding: 16px 12px 32px;
    }

    .panel {
        padding: 16px 14px;
    }

    .qr-frame svg {
        width: 188px;
    }

    .amount-display,
    .mock-amount,
    .result-amount {
        font-size: 28px;
    }
}