/* ============================================================
   club-budget-calc · 社团经费预算
   社团海报账本风（cbb-）：灰白纸感海报底 + 荧光粉马克笔标题
   + 和纸胶带角贴 + 图钉便签读数 + 账本横线明细表 + 小票式公示框
   hero 装饰全部纯 CSS，无外链图片
   ============================================================ */
.cbb-page {
    --cbb-bg: #f0ede6;
    --cbb-panel: #fffef9;
    --cbb-panel2: #f6f3ea;
    --cbb-ink: #2b2620;
    --cbb-sub: #756c5d;
    --cbb-line: #ddd4c2;
    --cbb-line-strong: #c6bba2;
    --cbb-navy: #24466e;
    --cbb-navy-deep: #17335a;
    --cbb-navy-soft: rgba(36, 70, 110, 0.10);
    --cbb-pink: #ff4f8b;
    --cbb-pink-deep: #d92a6b;
    --cbb-pink-soft: rgba(255, 79, 139, 0.16);
    --cbb-mint: #2fae8b;
    --cbb-mint-soft: rgba(47, 174, 139, 0.15);
    --cbb-tape: rgba(255, 213, 79, 0.78);
    --cbb-note: #fff3b8;
    --cbb-note-deep: #8a6d00;
    --cbb-good: #2f8f5b;
    --cbb-good-soft: rgba(47, 143, 91, 0.13);
    --cbb-shadow: 0 6px 18px rgba(60, 50, 30, 0.12);

    color: var(--cbb-ink);
    font-size: 15px;
    line-height: 1.8;
}

:root[data-theme="dark"] .cbb-page {
    --cbb-bg: #1b1a16;
    --cbb-panel: #242219;
    --cbb-panel2: #2c2a20;
    --cbb-ink: #ece7d8;
    --cbb-sub: #a39a85;
    --cbb-line: #3c382a;
    --cbb-line-strong: #55503d;
    --cbb-navy: #8fb4dd;
    --cbb-navy-deep: #aecbf0;
    --cbb-navy-soft: rgba(143, 180, 221, 0.14);
    --cbb-pink: #ff7aac;
    --cbb-pink-deep: #ff9cc2;
    --cbb-pink-soft: rgba(255, 122, 172, 0.16);
    --cbb-mint: #5fd0ab;
    --cbb-mint-soft: rgba(95, 208, 171, 0.16);
    --cbb-tape: rgba(255, 213, 79, 0.4);
    --cbb-note: #4a4128;
    --cbb-note-deep: #ffd97a;
    --cbb-good: #6fc28e;
    --cbb-good-soft: rgba(111, 194, 142, 0.16);
    --cbb-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.cbb-page h1, .cbb-page h2, .cbb-page h3 { line-height: 1.45; }
.cbb-page b, .cbb-page strong { color: var(--cbb-pink-deep); }

/* ---------- 首屏：海报 + 便签 ---------- */
.cbb-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.65fr);
    gap: 22px;
    align-items: stretch;
    margin-bottom: 26px;
}
.cbb-hero-poster {
    position: relative;
    padding: 34px 34px 28px;
    border-radius: 4px;
    border: 1px solid var(--cbb-line-strong);
    background:
        repeating-linear-gradient(0deg, transparent 0 46px, var(--cbb-line) 46px 47px),
        linear-gradient(160deg, var(--cbb-panel) 0%, var(--cbb-panel2) 100%);
    box-shadow: var(--cbb-shadow);
    overflow: hidden;
}
/* 海报左侧荧光粉色带 */
.cbb-hero-poster::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 10px;
    background: linear-gradient(180deg, var(--cbb-pink) 0%, var(--cbb-mint) 100%);
}
/* 和纸胶带角贴 */
.cbb-tape {
    position: absolute;
    width: 108px;
    height: 30px;
    background: var(--cbb-tape);
    box-shadow: 0 2px 6px rgba(60, 50, 30, 0.18);
    z-index: 2;
}
.cbb-tape::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg, transparent 0 9px, rgba(255, 255, 255, 0.35) 9px 12px);
}
.cbb-tape--l { top: -12px; left: 26px; transform: rotate(-5deg); }
.cbb-tape--r { top: -12px; right: 26px; transform: rotate(5deg); }

.cbb-kicker {
    display: inline-block;
    margin: 4px 0 12px;
    padding: 4px 12px;
    border: 2px solid var(--cbb-navy);
    border-radius: 4px;
    color: var(--cbb-navy);
    font-size: 11.5px;
    font-weight: 900;
    letter-spacing: 0.22em;
}
.cbb-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(27px, 3.6vw, 40px);
    font-weight: 900;
    color: var(--cbb-navy);
    letter-spacing: 0.02em;
}
.cbb-hero h1 mark {
    background: var(--cbb-pink-soft);
    color: var(--cbb-pink-deep);
    padding: 0 8px;
    border-radius: 4px;
    box-shadow: inset 0 -8px 0 var(--cbb-pink-soft);
}
.cbb-hero-sub { margin: 0 0 14px; max-width: 60ch; color: var(--cbb-sub); font-size: 15px; }
.cbb-hero-sub b { color: var(--cbb-pink-deep); }
.cbb-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.cbb-hero-chips li {
    padding: 5px 13px;
    border-radius: 999px;
    border: 1.5px dashed var(--cbb-line-strong);
    background: var(--cbb-panel);
    color: var(--cbb-sub);
    font-size: 12px;
    font-weight: 700;
}

/* 图钉便签读数 */
.cbb-hero-note {
    position: relative;
    padding: 30px 22px 20px;
    border-radius: 4px;
    background: var(--cbb-note);
    color: var(--cbb-note-deep);
    box-shadow: var(--cbb-shadow);
    transform: rotate(1.2deg);
    display: grid;
    gap: 5px;
    justify-items: start;
    align-content: center;
}
:root[data-theme="dark"] .cbb-hero-note { color: var(--cbb-note-deep); }
.cbb-note-pin {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #ff8f8f 0, var(--cbb-pink-deep) 70%);
    box-shadow: 0 3px 5px rgba(60, 30, 30, 0.35);
}
.cbb-note-label { font-size: 12px; font-weight: 900; letter-spacing: 0.18em; opacity: 0.8; }
.cbb-note-num { font-size: 30px; font-weight: 900; line-height: 1.3; font-variant-numeric: tabular-nums; }
.cbb-note-meta { font-size: 13px; font-weight: 800; }
.cbb-note-tip { margin-top: 6px; font-size: 11.5px; opacity: 0.75; line-height: 1.75; }

/* ---------- 测算区两栏 ---------- */
.cbb-calc {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr);
    gap: 20px;
    align-items: start;
    margin-bottom: 28px;
}
.cbb-input-col { display: grid; gap: 16px; min-width: 0; }

.cbb-panel {
    padding: 20px 22px;
    border: 1px solid var(--cbb-line);
    border-radius: 12px;
    background: var(--cbb-panel);
    box-shadow: var(--cbb-shadow);
}
.cbb-panel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.cbb-panel-head h2 { margin: 0; font-size: 18px; font-weight: 900; color: var(--cbb-navy); }
.cbb-panel-head p { margin: 2px 0 0; font-size: 13px; color: var(--cbb-sub); }
.cbb-panel-head p b { color: var(--cbb-pink-deep); }
.cbb-step {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 2px solid var(--cbb-pink);
    background: var(--cbb-pink-soft);
    color: var(--cbb-pink-deep);
    font-size: 15px;
    font-weight: 900;
}

/* 活动类型三张海报签 */
.cbb-types { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 6px; }
.cbb-type {
    display: grid;
    gap: 2px;
    justify-items: center;
    padding: 12px 8px;
    border: 2px solid var(--cbb-line-strong);
    border-radius: 10px;
    background: var(--cbb-panel2);
    color: var(--cbb-sub);
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s, transform 0.12s;
}
.cbb-type i { font-style: normal; font-size: 22px; line-height: 1.2; }
.cbb-type b { font-size: 14px; font-weight: 800; color: var(--cbb-ink); }
.cbb-type small { font-size: 11px; }
.cbb-type:hover { transform: translateY(-1px); border-color: var(--cbb-pink); }
.cbb-type.is-active {
    border-color: var(--cbb-pink);
    background: var(--cbb-pink-soft);
    box-shadow: 0 3px 0 var(--cbb-pink-deep);
}
.cbb-type.is-active b { color: var(--cbb-pink-deep); }

/* 字段 */
.cbb-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cbb-field { display: grid; gap: 6px; margin-top: 12px; }
.cbb-panel .cbb-field:first-of-type { margin-top: 0; }
.cbb-label { font-size: 13px; font-weight: 800; color: var(--cbb-navy); }
.cbb-input {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1.5px solid var(--cbb-line-strong);
    border-radius: 8px;
    background: var(--cbb-panel2);
    color: var(--cbb-ink);
    font-size: 14px;
    font-weight: 700;
    outline: none;
    appearance: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
    font-family: inherit;
}
.cbb-input:focus { border-color: var(--cbb-pink); box-shadow: 0 0 0 3px var(--cbb-pink-soft); }
.cbb-input-wrap { position: relative; display: block; }
.cbb-input-wrap .cbb-input { padding-right: 68px; }
.cbb-input-wrap em {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-style: normal;
    font-size: 11.5px;
    font-weight: 800;
    color: var(--cbb-mint);
    white-space: nowrap;
}
.cbb-hint { margin: 10px 0 0; font-size: 12.5px; color: var(--cbb-sub); line-height: 1.75; }
.cbb-hint b { color: var(--cbb-pink-deep); }
.cbb-hint--inline { margin: 0; flex: 1; min-width: 0; align-self: center; }

/* 拆算块 */
.cbb-block {
    position: relative;
    padding: 12px 14px 14px;
    margin-top: 12px;
    border: 1.5px dashed var(--cbb-line-strong);
    border-radius: 10px;
    background: var(--cbb-panel2);
}
.cbb-block:first-of-type { margin-top: 0; }
.cbb-block-tag {
    position: absolute;
    top: -10px;
    left: 12px;
    padding: 1px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    color: #fff;
}
.cbb-block-tag--venue { background: var(--cbb-navy); }
.cbb-block-tag--material { background: var(--cbb-mint); }
.cbb-block-tag--prize { background: var(--cbb-pink); }
.cbb-block-tag--other { background: var(--cbb-sub); }
.cbb-block-row { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 14px; }
.cbb-block-row .cbb-field { margin-top: 0; }

.cbb-prize-grid {
    display: grid;
    grid-template-columns: 70px repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
    align-items: center;
}
.cbb-prize-head { font-size: 11.5px; font-weight: 800; color: var(--cbb-sub); }
.cbb-prize-name { font-size: 13px; font-weight: 800; color: var(--cbb-navy); }
.cbb-input--sm { height: 38px; text-align: center; font-variant-numeric: tabular-nums; }

/* 备用金滑块 */
.cbb-slider-row { display: flex; align-items: center; gap: 12px; }
.cbb-range { flex: 1; min-width: 0; height: 6px; accent-color: var(--cbb-pink); cursor: pointer; }
.cbb-reserve-val {
    min-width: 48px;
    text-align: center;
    padding: 4px 8px;
    border-radius: 8px;
    background: var(--cbb-pink-soft);
    color: var(--cbb-pink-deep);
    font-size: 14px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

/* 错误与按钮 */
.cbb-error {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--cbb-pink-deep);
    background: var(--cbb-pink-soft);
    color: var(--cbb-pink-deep);
    font-size: 13px;
    font-weight: 700;
}
.cbb-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cbb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 42px;
    padding: 0 18px;
    border: 1.5px solid var(--cbb-line-strong);
    border-radius: 8px;
    background: var(--cbb-panel);
    color: var(--cbb-ink);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s;
    font-family: inherit;
}
.cbb-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(60, 50, 30, 0.16); }
.cbb-btn--primary {
    border-color: var(--cbb-pink-deep);
    background: linear-gradient(170deg, var(--cbb-pink) 0%, var(--cbb-pink-deep) 100%);
    color: #fff;
}
.cbb-btn--ghost {
    height: 32px;
    padding: 0 12px;
    font-size: 12.5px;
    border-color: var(--cbb-navy);
    color: var(--cbb-navy);
    background: transparent;
}

/* 结果列：账本 */
.cbb-result-col { display: grid; gap: 16px; position: sticky; top: 16px; }
.cbb-ledger {
    padding: 18px 20px;
    border: 1px solid var(--cbb-line-strong);
    border-radius: 12px;
    background: var(--cbb-panel);
    box-shadow: var(--cbb-shadow);
}
.cbb-ledger-title { margin: 0 0 10px; font-size: 16px; font-weight: 900; color: var(--cbb-navy); }
.cbb-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.cbb-table th, .cbb-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px dashed var(--cbb-line);
    vertical-align: top;
    line-height: 1.75;
}
.cbb-table th { font-size: 12px; font-weight: 800; color: var(--cbb-sub); letter-spacing: 0.06em; white-space: nowrap; }
.cbb-table td:nth-child(2) { color: var(--cbb-sub); font-variant-numeric: tabular-nums; }
.cbb-table td:nth-child(3) { text-align: right; font-weight: 900; color: var(--cbb-ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.cbb-table td:first-child { font-weight: 800; color: var(--cbb-navy); white-space: nowrap; }
.cbb-table tfoot td { border-top: 3px double var(--cbb-line-strong); border-bottom: none; }
.cbb-table tfoot td:first-child { color: var(--cbb-pink-deep); }
.cbb-table tfoot td:nth-child(3) { color: var(--cbb-pink-deep); font-size: 16px; }

.cbb-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.cbb-kpi {
    padding: 10px 12px;
    border: 1px solid var(--cbb-line);
    border-radius: 10px;
    background: var(--cbb-panel2);
    display: grid;
    gap: 1px;
}
.cbb-kpi span { font-size: 11.5px; color: var(--cbb-sub); font-weight: 800; }
.cbb-kpi b { font-size: 17px; font-weight: 900; color: var(--cbb-navy); line-height: 1.3; font-variant-numeric: tabular-nums; }
.cbb-kpi small { font-size: 10.5px; color: var(--cbb-sub); }
.cbb-ledger-tip { margin: 10px 0 0; padding: 8px 12px; border-radius: 8px; background: var(--cbb-mint-soft); color: var(--cbb-mint); font-size: 12.5px; font-weight: 700; line-height: 1.75; }
:root[data-theme="dark"] .cbb-ledger-tip { color: var(--cbb-mint); }

/* 公示小票 */
.cbb-pub {
    padding: 16px 18px;
    border: 1.5px dashed var(--cbb-navy);
    border-radius: 12px;
    background: var(--cbb-panel);
}
.cbb-pub-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.cbb-pub-head h3 { margin: 0; font-size: 15px; font-weight: 900; color: var(--cbb-navy); }
.cbb-pub-box {
    margin: 0;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--cbb-panel2);
    border: 1px dashed var(--cbb-line-strong);
    color: var(--cbb-ink);
    font-family: "SF Mono", Consolas, Menlo, monospace;
    font-size: 12px;
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow: auto;
}

/* ---------- 通用 section ---------- */
.cbb-section { margin-bottom: 28px; }
.cbb-sec-head { margin-bottom: 14px; }
.cbb-sec-head h2 { margin: 0 0 4px; font-size: 21px; font-weight: 900; color: var(--cbb-navy); }
.cbb-sec-head p { margin: 0; font-size: 13.5px; color: var(--cbb-sub); }
.cbb-grid2-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }

.cbb-checklist { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.cbb-checklist li {
    position: relative;
    padding: 9px 12px 9px 36px;
    border-radius: 8px;
    border: 1px solid var(--cbb-line);
    background: var(--cbb-panel2);
    font-size: 13px;
    color: var(--cbb-sub);
    line-height: 1.75;
}
.cbb-checklist li::before {
    content: "✓";
    position: absolute;
    left: 12px;
    top: 9px;
    color: var(--cbb-good);
    font-weight: 900;
}
.cbb-checklist li b { color: var(--cbb-navy); }

.cbb-table--rule td:first-child { width: 84px; color: var(--cbb-navy); }
.cbb-table--rule td:last-child { color: var(--cbb-sub); }
.cbb-table--rule td b { color: var(--cbb-pink-deep); }

/* 流程五步 */
.cbb-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.cbb-stepcard {
    position: relative;
    padding: 14px 14px 12px;
    border: 1px solid var(--cbb-line);
    border-radius: 10px;
    background: var(--cbb-panel);
    box-shadow: var(--cbb-shadow);
    display: grid;
    gap: 5px;
    align-content: start;
}
/* 胶带顶饰 */
.cbb-stepcard::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 16px;
    width: 46px;
    height: 14px;
    background: var(--cbb-tape);
    transform: rotate(-3deg);
    box-shadow: 0 1px 3px rgba(60, 50, 30, 0.2);
}
.cbb-step-no {
    justify-self: start;
    padding: 2px 9px;
    border-radius: 999px;
    border: 1.5px solid var(--cbb-mint);
    color: var(--cbb-mint);
    font-size: 10.5px;
    font-weight: 900;
    letter-spacing: 0.1em;
}
.cbb-stepcard h3 { margin: 0; font-size: 14.5px; font-weight: 900; color: var(--cbb-navy); }
.cbb-stepcard p { margin: 0; font-size: 12px; color: var(--cbb-sub); line-height: 1.75; }
.cbb-stepcard p b { color: var(--cbb-pink-deep); }

/* 避坑 */
.cbb-traps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cbb-trap {
    padding: 12px 15px;
    border-radius: 10px;
    border: 1px solid var(--cbb-line);
    border-left: 4px solid var(--cbb-pink);
    background: var(--cbb-panel);
}
.cbb-trap b { display: block; font-size: 14px; color: var(--cbb-pink-deep); margin-bottom: 2px; }
.cbb-trap p { margin: 0; font-size: 12.5px; color: var(--cbb-sub); line-height: 1.75; }

/* 返回顶部 */
.cbb-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1.5px solid var(--cbb-line-strong);
    background: var(--cbb-panel);
    color: var(--cbb-pink-deep);
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s;
    box-shadow: var(--cbb-shadow);
    z-index: 50;
    font-family: inherit;
}
.cbb-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.cbb-top:hover { background: var(--cbb-pink); color: #fff; }

/* toast */
.cbb-toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%) translateY(10px);
    padding: 10px 20px;
    border-radius: 8px;
    background: var(--cbb-navy);
    color: #fff;
    font-size: 13.5px;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s;
    z-index: 60;
}
.cbb-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .cbb-hero { grid-template-columns: 1fr; }
    .cbb-hero-note { transform: none; justify-items: start; grid-template-columns: 1fr; }
    .cbb-calc { grid-template-columns: 1fr; }
    .cbb-result-col { position: static; }
    .cbb-grid2-panels { grid-template-columns: 1fr; }
    .cbb-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .cbb-hero-poster { padding: 26px 20px 20px; }
    .cbb-panel { padding: 16px 16px; }
    .cbb-types { grid-template-columns: 1fr; }
    .cbb-type { grid-template-columns: auto 1fr; justify-items: start; align-items: center; column-gap: 10px; }
    .cbb-type small { grid-column: 2; }
    .cbb-grid2, .cbb-traps, .cbb-steps { grid-template-columns: 1fr; }
    .cbb-block-row { grid-template-columns: 1fr; gap: 8px; }
    .cbb-actions { display: grid; grid-template-columns: 1fr; }
    .cbb-actions .cbb-btn { width: 100%; }
    .cbb-sec-head h2 { font-size: 18px; }
    .cbb-table { font-size: 12.5px; }
    .cbb-table th, .cbb-table td { padding: 7px 8px; }
    .cbb-kpis { grid-template-columns: 1fr 1fr; }
    .cbb-prize-grid { grid-template-columns: 64px repeat(2, minmax(0, 1fr)); }
    .cbb-top { right: 14px; bottom: 18px; }
}