:root {
    --bg: #f4f5f7;
    --panel: #ffffff;
    --border: #e3e5e9;
    --text: #1f2329;
    --muted: #8a9099;
    --primary: #07a35a;
    --primary-hover: #068c4d;
    --primary-soft: rgba(7, 163, 90, .1);
    --danger: #d4380d;
    --danger-soft: rgba(212, 56, 13, .1);
    --warn: #c27c0e;
    --warn-soft: rgba(194, 124, 14, .12);
    --row-hover: #f7f9fb;
    --chip-bg: #f0f2f5;
    --shadow: 0 1px 2px rgba(0, 0, 0, .04);
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #16181c;
        --panel: #1f2227;
        --border: #30343b;
        --text: #e6e8eb;
        --muted: #8f96a0;
        --primary: #1fb86f;
        --primary-hover: #25cc7c;
        --primary-soft: rgba(31, 184, 111, .14);
        --danger: #ff7a45;
        --danger-soft: rgba(255, 122, 69, .14);
        --warn: #e8a33d;
        --warn-soft: rgba(232, 163, 61, .14);
        --row-hover: #262a30;
        --chip-bg: #2a2e35;
        --shadow: none;
        color-scheme: dark;
    }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.muted { color: var(--muted); font-style: normal; font-weight: normal; }

/* ---------- 顶栏 ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.brand strong { font-size: 16px; margin-right: 10px; }
.brand .muted { font-size: 12px; }

.wrap { max-width: 1400px; margin: 0 auto; padding: 16px 24px 40px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* ---------- 查询区 ---------- */
.filters { padding: 16px; }
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px 16px;
}
.grid .wide { grid-column: span 2; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 12px; color: var(--muted); }

input[type=text], input[type=datetime-local], select {
    width: 100%;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
    font: inherit;
    outline: none;
}
input:focus, select:focus { border-color: var(--primary); }

.range { display: flex; align-items: center; gap: 8px; }
.range input { flex: 1; min-width: 0; }
.range i { color: var(--muted); font-style: normal; flex: none; }

.filter-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--border);
}
.quick { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.buttons { display: flex; gap: 8px; }
.hint { margin: 10px 0 0; font-size: 12px; }

.btn {
    height: 34px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
    font: inherit;
    cursor: pointer;
    white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; min-width: 88px; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-sm { height: 28px; padding: 0 12px; font-size: 12px; }

.chip {
    height: 26px;
    padding: 0 10px;
    border: 0;
    border-radius: 13px;
    background: var(--chip-bg);
    color: var(--text);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}
.chip:hover { color: var(--primary); }

/* ---------- 统计 ---------- */
.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.4fr);
    gap: 12px;
    margin: 16px 0;
}
.stat {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: var(--shadow);
    min-width: 0;
}
.stat > span { display: block; font-size: 12px; color: var(--muted); }
.stat > b { display: block; margin-top: 4px; font-size: 22px; font-variant-numeric: tabular-nums; }
.stat > small { display: block; font-size: 12px; color: var(--muted); min-height: 18px; }
.status-line {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
    font-size: 13px;
}
.status-line b { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot-ok { background: var(--primary); }
.dot-pending { background: var(--warn); }
.dot-failed { background: var(--danger); }

/* ---------- 退款总结 ---------- */
.summary { margin-bottom: 16px; padding: 14px 16px; border-left: 3px solid var(--primary); }
.summary-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.summary-text { margin-top: 8px; font-size: 15px; line-height: 1.7; }
.summary-note { margin: 8px 0 0; font-size: 12px; }

/* ---------- 列表 ---------- */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
}
.tools { display: flex; align-items: center; gap: 14px; }

.colpick { position: relative; }
.colpick-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 5;
    width: 300px;
    padding: 10px 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
}
.colpick-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 10px; }
.colpick-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px;
    font-size: 13px;
    white-space: nowrap;
    cursor: pointer;
}
.colpick-item input { margin: 0; accent-color: var(--primary); }
.colpick-foot {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
}
.link {
    padding: 0;
    border: 0;
    background: none;
    color: var(--primary);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}
.link:hover { text-decoration: underline; }

.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); white-space: nowrap; }
.inline select { width: auto; height: 30px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { font-size: 12px; font-weight: 600; color: var(--muted); background: var(--bg); }
tbody tr:hover { background: var(--row-hover); }
td.num, th.num { text-align: right; }
td.strong { font-weight: 600; }
td.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.mono { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; font-size: 12px; }
.sub { display: block; font-size: 12px; color: var(--muted); }
.clip { max-width: 240px; overflow: hidden; text-overflow: ellipsis; }

.copy {
    margin-left: 6px;
    padding: 0 6px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: transparent;
    color: var(--muted);
    font-size: 11px;
    line-height: 18px;
    white-space: nowrap;
    flex: none;
    cursor: pointer;
}
.copy:hover { color: var(--primary); border-color: var(--primary); }

.status { display: inline-block; padding: 0 8px; border-radius: 4px; font-size: 12px; line-height: 22px; }
.st-ok { background: var(--primary-soft); color: var(--primary); }
.st-pending { background: var(--warn-soft); color: var(--warn); }
.st-failed { background: var(--danger-soft); color: var(--danger); }

.pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--muted);
}
.pager button {
    min-width: 32px;
    height: 30px;
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
    font: inherit;
    cursor: pointer;
}
.pager button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager button:disabled { opacity: .45; cursor: not-allowed; }

.loading tbody { opacity: .45; }

.toast {
    position: fixed;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(20, 22, 26, .88);
    color: #fff;
    font-size: 13px;
    z-index: 10;
}
.toast.error { background: var(--danger); }

/* ---------- 窄屏：表格改为卡片 ---------- */
@media (max-width: 900px) {
    .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-status { grid-column: span 2; }
}

@media (max-width: 680px) {
    .topbar, .wrap { padding-left: 12px; padding-right: 12px; }
    .brand .muted { display: none; }
    .grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .grid .wide { grid-column: auto; }
    .range { flex-direction: column; align-items: stretch; gap: 4px; }
    .range i { text-align: center; font-size: 12px; }
    .buttons { width: 100%; }
    .buttons .btn { flex: 1; }

    table, tbody, tr, td { display: block; width: 100%; }
    thead { display: none; }
    tbody tr { padding: 8px 12px; border-bottom: 1px solid var(--border); }
    td {
        display: flex;
        align-items: baseline;
        gap: 10px;
        padding: 4px 0;
        border: 0;
        white-space: normal;
        word-break: break-all;
    }
    td::before {
        content: attr(data-label);
        flex: none;
        width: 84px;
        color: var(--muted);
        font-size: 12px;
        font-weight: normal;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    td.num { text-align: left; }
    td.clip { max-width: none; }
    td.empty { display: block; }
    td.empty::before { content: none; }
    td .sub { display: inline; margin-left: 6px; }
    .pager { justify-content: center; }
}