/* ============================================================
   class-party-split · 班级聚会AA分摊
   圆桌席位卡风（cps-）：酒红桌布暗纹 + 描金双线边框
   + 米白席位卡衬线大字 + 烫金分隔线；收款清单如座次表
   ============================================================ */
.cps-page {
    --cps-wine: #722033;
    --cps-wine-deep: #571527;
    --cps-wine-dark: #400e1c;
    --cps-gold: #c8a24d;
    --cps-gold-deep: #a8842f;
    --cps-gold-soft: rgba(200, 162, 77, 0.16);
    --cps-card: #f9f2e1;
    --cps-card-deep: #f2e8d2;
    --cps-text: #4a2f28;
    --cps-sub: #8a6f5c;
    --cps-ink: #5c1b2a;
    --cps-line: #dcc9a2;
    --cps-good: #4c7a52;
    --cps-warn: #a2691c;
    --cps-shadow: 0 6px 18px rgba(64, 14, 28, 0.28);

    color: var(--cps-text);
    font-size: 15px;
    line-height: 1.8;
}

:root[data-theme="dark"] .cps-page {
    --cps-wine: #4c1424;
    --cps-wine-deep: #3a0e1b;
    --cps-wine-dark: #2a0913;
    --cps-gold: #d8b76a;
    --cps-gold-deep: #c8a24d;
    --cps-gold-soft: rgba(216, 183, 106, 0.12);
    --cps-card: #2b2220;
    --cps-card-deep: #322724;
    --cps-text: #e0d3bd;
    --cps-sub: #a08a74;
    --cps-ink: #e3c08c;
    --cps-line: #55432f;
    --cps-good: #79b384;
    --cps-warn: #d9a054;
    --cps-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.cps-page h1, .cps-page h2, .cps-page h3 {
    margin: 0;
    line-height: 1.5;
    font-family: Georgia, "Times New Roman", "Noto Serif SC", "Songti SC", serif;
    color: var(--cps-ink);
    font-weight: 900;
}
.cps-page b, .cps-page strong { color: var(--cps-ink); }

/* ---------- 首屏：桌布 + 席位卡 ---------- */
.cps-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(230px, 0.7fr);
    gap: 26px;
    align-items: center;
    padding: 32px 30px;
    margin-bottom: 26px;
    border-radius: 12px;
    border: 3px double var(--cps-gold);
    background:
        radial-gradient(circle at 18% 24%, rgba(200, 162, 77, 0.10) 0 12px, transparent 13px),
        radial-gradient(circle at 82% 70%, rgba(200, 162, 77, 0.08) 0 14px, transparent 15px),
        repeating-linear-gradient(45deg, transparent 0 26px, rgba(255, 255, 255, 0.035) 26px 27px),
        repeating-linear-gradient(-45deg, transparent 0 26px, rgba(0, 0, 0, 0.05) 26px 27px),
        linear-gradient(160deg, var(--cps-wine) 0%, var(--cps-wine-deep) 100%);
    box-shadow: var(--cps-shadow);
    overflow: hidden;
}

.cps-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--cps-gold);
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.28em;
}
.cps-hero h1 {
    color: var(--cps-card);
    font-size: clamp(26px, 3.4vw, 38px);
    margin-bottom: 10px;
}
.cps-hero-sub { margin: 0 0 14px; max-width: 60ch; color: #ecd9c9; font-size: 15px; }
.cps-hero-sub b { color: var(--cps-gold); }
.cps-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.cps-hero-chips li {
    padding: 5px 14px;
    border-radius: 999px;
    border: 1px solid var(--cps-gold);
    color: var(--cps-gold);
    font-size: 12px;
    font-weight: 700;
    background: rgba(200, 162, 77, 0.08);
}

/* 席位卡（首屏读数） */
.cps-card-front {
    display: grid;
    gap: 4px;
    justify-items: center;
    padding: 20px 18px 16px;
    border-radius: 6px;
    border: 2px solid var(--cps-gold);
    outline: 1px solid var(--cps-gold);
    outline-offset: -7px;
    background: var(--cps-card);
    box-shadow: var(--cps-shadow);
    text-align: center;
}
.cps-card-orn { color: var(--cps-gold-deep); font-size: 18px; line-height: 1.2; }
.cps-card-orn--b { transform: rotate(180deg); }
.cps-card-tag {
    color: var(--cps-sub);
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 0.22em;
}
.cps-card-num {
    color: var(--cps-wine);
    font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
    font-size: clamp(30px, 3.6vw, 42px);
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .cps-card-num { color: var(--cps-ink); }
.cps-card-meta { color: var(--cps-text); font-size: 12.5px; font-weight: 700; }

/* ---------- 菜单卡分区 ---------- */
.cps-menu {
    position: relative;
    padding: 22px 24px 20px;
    margin-bottom: 24px;
    border-radius: 8px;
    border: 1.5px solid var(--cps-gold);
    background:
        linear-gradient(180deg, var(--cps-card) 0%, var(--cps-card-deep) 100%);
    box-shadow: var(--cps-shadow);
}
.cps-menu::before {
    content: "";
    position: absolute;
    inset: 5px;
    border: 1px solid var(--cps-gold-soft);
    border-radius: 5px;
    pointer-events: none;
}
.cps-menu > * { position: relative; }
.cps-menu-h {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    font-size: 19px;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}
.cps-menu-h::before, .cps-menu-h::after {
    content: "";
    flex: 1;
    max-width: 120px;
    border-top: 1.5px solid var(--cps-gold);
    align-self: center;
}
.cps-no {
    padding: 0 9px;
    border: 1.5px solid var(--cps-wine);
    border-radius: 999px;
    color: var(--cps-wine);
    font-family: Georgia, serif;
    font-size: 13px;
    font-weight: 900;
}
:root[data-theme="dark"] .cps-no { color: var(--cps-ink); border-color: var(--cps-ink); }
.cps-menu-sub { margin: 0 0 14px; text-align: center; color: var(--cps-sub); font-size: 12.5px; line-height: 1.8; }

/* 表单 */
.cps-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 18px; }
.cps-field { display: grid; gap: 6px; align-content: start; min-width: 0; }
.cps-label { color: var(--cps-ink); font-size: 12.5px; font-weight: 800; }
.cps-input {
    width: 100%;
    padding: 9px 12px;
    border-radius: 4px;
    border: 1px solid var(--cps-line);
    background: #fffdf4;
    color: var(--cps-text);
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .cps-input { background: #211a18; }
.cps-input:focus { outline: 2px solid var(--cps-gold); outline-offset: 1px; }
.cps-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px dashed var(--cps-gold);
    border-radius: 4px;
    background: var(--cps-card);
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--cps-text);
    line-height: 1.7;
}
.cps-check input { width: 16px; height: 16px; accent-color: var(--cps-wine); }

/* 分项费用行 */
.cps-lines { display: grid; gap: 10px; }
.cps-line {
    display: grid;
    grid-template-columns: minmax(110px, 1fr) minmax(110px, 0.7fr) minmax(140px, 0.8fr) minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 4px;
    border: 1px solid var(--cps-line);
    background: #fffdf4;
}
:root[data-theme="dark"] .cps-line { background: #211a18; }
.cps-line-name { font-size: 14px; font-weight: 800; color: var(--cps-text); }
.cps-select-wrap { position: relative; display: block; }
.cps-select-wrap select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 7px 26px 7px 10px;
    border-radius: 4px;
    border: 1px solid var(--cps-line);
    background: var(--cps-card);
    color: var(--cps-ink);
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}
:root[data-theme="dark"] .cps-select-wrap select { background: #2b2220; }
.cps-select-wrap::after {
    content: "▾";
    position: absolute;
    right: 9px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cps-gold-deep);
    pointer-events: none;
    font-size: 12px;
}
.cps-amtwrap { display: inline-flex; align-items: baseline; gap: 4px; }
.cps-amtwrap input {
    width: 92px;
    padding: 7px 9px;
    border-radius: 4px;
    border: 1px solid var(--cps-line);
    background: var(--cps-card);
    color: var(--cps-wine);
    font-size: 14.5px;
    font-weight: 800;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .cps-amtwrap input { color: var(--cps-ink); background: #2b2220; }
.cps-amtwrap input:focus { outline: 2px solid var(--cps-gold); outline-offset: 1px; }
.cps-unit { font-style: normal; color: var(--cps-sub); font-size: 12px; font-weight: 800; }
.cps-line-tip { color: var(--cps-sub); font-size: 11.5px; }

/* 错误与操作 */
.cps-error {
    padding: 10px 16px;
    margin-bottom: 16px;
    border-radius: 4px;
    border: 1.5px solid var(--cps-wine);
    background: var(--cps-gold-soft);
    color: var(--cps-wine);
    font-size: 13.5px;
    font-weight: 800;
}
:root[data-theme="dark"] .cps-error { color: var(--cps-ink); border-color: var(--cps-ink); }
.cps-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; justify-content: center; }
.cps-btn {
    padding: 10px 24px;
    border-radius: 4px;
    border: 1.5px solid var(--cps-gold-deep);
    background: var(--cps-card);
    color: var(--cps-ink);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.18s;
}
.cps-btn:hover { transform: translateY(-2px); box-shadow: var(--cps-shadow); }
.cps-btn--primary { background: var(--cps-wine); border-color: var(--cps-gold); color: var(--cps-card); }
.cps-btn--primary:hover { background: var(--cps-wine-deep); }

/* ---------- 03 席位卡结果 ---------- */
.cps-result { display: grid; grid-template-columns: minmax(240px, 0.62fr) minmax(0, 1.38fr); gap: 22px; margin-bottom: 24px; }
.cps-seatcard {
    display: grid;
    gap: 6px;
    align-content: center;
    justify-items: center;
    padding: 26px 20px;
    border-radius: 8px;
    border: 3px double var(--cps-gold);
    background:
        repeating-linear-gradient(90deg, transparent 0 30px, rgba(200, 162, 77, 0.06) 30px 31px),
        var(--cps-card);
    box-shadow: var(--cps-shadow);
    text-align: center;
}
.cps-seat-tag { color: var(--cps-sub); font-size: 12px; font-weight: 800; letter-spacing: 0.24em; }
.cps-seat-num {
    color: var(--cps-wine);
    font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .cps-seat-num { color: var(--cps-ink); }
.cps-seat-round {
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--cps-wine);
    color: var(--cps-card);
    font-size: 12.5px;
    font-weight: 800;
}
:root[data-theme="dark"] .cps-seat-round { color: var(--cps-card); background: var(--cps-wine); }
.cps-billbox { margin-bottom: 0; }
.cps-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.cps-kpi {
    display: grid;
    gap: 2px;
    padding: 10px 12px;
    border-radius: 4px;
    border: 1px solid var(--cps-line);
    background: #fffdf4;
    text-align: center;
}
:root[data-theme="dark"] .cps-kpi { background: #211a18; }
.cps-kpi span { color: var(--cps-sub); font-size: 12px; font-weight: 700; }
.cps-kpi b { color: var(--cps-ink); font-size: 17px; font-weight: 900; font-variant-numeric: tabular-nums; }
.cps-kpi--hl { border: 2px solid var(--cps-wine); background: var(--cps-gold-soft); }
.cps-kpi--hl b { color: var(--cps-wine); }
:root[data-theme="dark"] .cps-kpi--hl { border-color: var(--cps-ink); }
:root[data-theme="dark"] .cps-kpi--hl b { color: var(--cps-ink); }
.cps-note { margin: 12px 0 0; color: var(--cps-sub); font-size: 12.5px; line-height: 1.85; }
.cps-note b { color: var(--cps-ink); }

/* ---------- 04 收款清单（座次表式） ---------- */
.cps-roster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 18px; margin: 0; padding: 0 0 0 26px; list-style: none; counter-reset: cpsn; }
.cps-roster li {
    counter-increment: cpsn;
    position: relative;
    padding: 6px 10px 6px 30px;
    border-bottom: 1px dashed var(--cps-line);
    color: var(--cps-text);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.75;
}
.cps-roster li::before {
    content: counter(cpsn);
    position: absolute;
    left: 4px;
    top: 7px;
    color: var(--cps-gold-deep);
    font-family: Georgia, serif;
    font-size: 12px;
    font-weight: 900;
}
.cps-roster li b { color: var(--cps-wine); font-variant-numeric: tabular-nums; }
:root[data-theme="dark"] .cps-roster li b { color: var(--cps-ink); }
.cps-roster li i { font-style: normal; float: right; color: var(--cps-sub); font-weight: 600; }
.cps-roster-empty { border-bottom: none; color: var(--cps-sub); text-align: center; }
.cps-roster-empty::before { content: "✦"; }

/* ---------- 返回顶部 & toast ---------- */
.cps-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--cps-gold);
    background: var(--cps-wine);
    color: var(--cps-card);
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s;
    box-shadow: var(--cps-shadow);
    z-index: 50;
}
.cps-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.cps-top:hover { background: var(--cps-wine-deep); }

.cps-toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%) translateY(10px);
    padding: 10px 20px;
    border-radius: 4px;
    border: 1.5px solid var(--cps-gold);
    background: var(--cps-card);
    color: var(--cps-ink);
    font-size: 13.5px;
    font-weight: 800;
    box-shadow: var(--cps-shadow);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s;
    z-index: 60;
}
.cps-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .cps-hero { grid-template-columns: minmax(0, 1fr) minmax(210px, 0.55fr); padding: 24px 20px; }
    .cps-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cps-result { grid-template-columns: 1fr; }
    .cps-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .cps-line { grid-template-columns: 1fr 1fr; }
    .cps-line-tip { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
    .cps-hero { grid-template-columns: 1fr; }
    .cps-fields { grid-template-columns: 1fr; }
    .cps-kpis { grid-template-columns: 1fr; }
    .cps-line { grid-template-columns: 1fr; }
    .cps-roster { grid-template-columns: 1fr; }
    .cps-actions { display: grid; grid-template-columns: 1fr; }
    .cps-actions .cps-btn { width: 100%; }
    .cps-menu { padding: 18px 15px 16px; }
    .cps-menu-h::before, .cps-menu-h::after { max-width: 40px; }
    .cps-top { right: 14px; bottom: 18px; }
}