/* ============================================================
   group-ticket-discount · 团体票折扣测算
   票券检票口风（gtd-）：暖纸底 + 藏蓝票面 + 琥珀金存根 + 检票青 + 红章
   hero 右侧为大票券卡：主券(输入) + 齿孔 perforation + 副券存根(读数)
   票面粗黑标题，座席号一律等宽字体
   ============================================================ */
.gtd-page {
    --gtd-bg: #f2f0e8;
    --gtd-paper: #fffdf7;
    --gtd-paper2: #f7f4ea;
    --gtd-ink: #232a38;
    --gtd-sub: #67707f;
    --gtd-line: #ddd8c8;
    --gtd-dash: #c9c2ad;
    --gtd-ticket: #1d2b4a;
    --gtd-ticket2: #263a63;
    --gtd-gold: #f2a516;
    --gtd-gold-deep: #b87a06;
    --gtd-gold-soft: rgba(242, 165, 22, 0.16);
    --gtd-cyan: #0b7a71;
    --gtd-cyan-deep: #095f58;
    --gtd-cyan-soft: rgba(11, 122, 113, 0.12);
    --gtd-red: #c03a2b;
    --gtd-red-soft: rgba(192, 58, 43, 0.12);
    --gtd-shadow: 0 6px 18px rgba(35, 42, 56, 0.12);

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

:root[data-theme="dark"] .gtd-page {
    --gtd-bg: #141a26;
    --gtd-paper: #1c2433;
    --gtd-paper2: #222c3e;
    --gtd-ink: #e6ebf4;
    --gtd-sub: #98a3b6;
    --gtd-line: #303c52;
    --gtd-dash: #3d4a63;
    --gtd-ticket: #22314f;
    --gtd-ticket2: #2c3f68;
    --gtd-gold: #f5b93f;
    --gtd-gold-deep: #ffcb63;
    --gtd-gold-soft: rgba(245, 185, 63, 0.16);
    --gtd-cyan: #2fb8ab;
    --gtd-cyan-deep: #4fd0c3;
    --gtd-cyan-soft: rgba(47, 184, 171, 0.15);
    --gtd-red: #e26a55;
    --gtd-red-soft: rgba(226, 106, 85, 0.15);
    --gtd-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.gtd-page h1, .gtd-page h2, .gtd-page h3 { line-height: 1.4; }
.gtd-page b, .gtd-page strong { color: var(--gtd-cyan-deep); }

/* ---------- 首屏：文案 + 票券 ---------- */
.gtd-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 1fr);
    gap: 22px;
    align-items: stretch;
    padding: 28px 30px;
    margin-bottom: 24px;
    border-radius: 16px;
    border: 1px solid var(--gtd-line);
    background:
        radial-gradient(circle at 0% 0%, var(--gtd-cyan-soft) 0, transparent 34%),
        linear-gradient(180deg, var(--gtd-bg) 0%, var(--gtd-paper2) 100%);
    box-shadow: var(--gtd-shadow);
    overflow: hidden;
}

.gtd-kicker {
    display: inline-block;
    padding: 5px 14px;
    margin-bottom: 12px;
    border-radius: 3px;
    background: var(--gtd-ticket);
    color: var(--gtd-gold);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}
.gtd-hero h1 { margin: 0 0 10px; font-size: clamp(25px, 3.2vw, 36px); font-weight: 900; letter-spacing: 0.03em; }
.gtd-hero-sub { margin: 0 0 14px; max-width: 54ch; color: var(--gtd-sub); font-size: 15px; }
.gtd-hero-sub b { color: var(--gtd-cyan-deep); }
.gtd-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.gtd-hero-chips li {
    padding: 5px 13px;
    border-radius: 3px;
    border: 1px solid var(--gtd-line);
    background: var(--gtd-paper);
    color: var(--gtd-sub);
    font-size: 12px;
    font-weight: 700;
}

/* 票券卡：主券 + 齿孔 + 存根 */
.gtd-ticket {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 0 minmax(140px, 0.34fr);
    border-radius: 12px;
    background: var(--gtd-ticket);
    box-shadow: var(--gtd-shadow);
    overflow: hidden;
    border: 1.5px solid var(--gtd-ticket);
}
.gtd-ticket-main {
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 18px 20px 16px;
    color: #eef2fa;
}
.gtd-ticket-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.gtd-ticket-tag {
    padding: 3px 10px;
    background: var(--gtd-gold);
    color: #2a2005;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
    border-radius: 3px;
}
.gtd-ticket-no {
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    font-weight: 700;
    color: var(--gtd-gold);
    letter-spacing: 0.08em;
}

/* 纯 CSS 条码 */
.gtd-barcode {
    height: 22px;
    background: repeating-linear-gradient(90deg,
        #eef2fa 0 1px, transparent 1px 4px,
        #eef2fa 4px 7px, transparent 7px 8px,
        #eef2fa 8px 9px, transparent 9px 14px,
        #eef2fa 14px 16px, transparent 16px 19px);
    opacity: 0.5;
    border-radius: 2px;
}

/* 齿孔分隔线 */
.gtd-perf { position: relative; border-left: 2px dashed rgba(238, 242, 250, 0.45); }
.gtd-perf-hole {
    position: absolute;
    left: -9px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gtd-bg);
    border: 2px solid var(--gtd-ticket);
}
.gtd-perf-hole--top { top: -10px; }
.gtd-perf-hole--bottom { bottom: -10px; }

/* 存根 */
.gtd-stub {
    position: relative;
    display: grid;
    gap: 3px;
    align-content: start;
    padding: 18px 16px;
    background: linear-gradient(180deg, var(--gtd-gold) 0%, #e5950c 100%);
    color: #2a2005;
}
.gtd-stub-label { font-size: 11px; font-weight: 900; letter-spacing: 0.14em; opacity: 0.75; }
.gtd-stub-num {
    font-size: clamp(24px, 2.4vw, 30px);
    font-weight: 900;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
}
.gtd-stub-meta { font-size: 12px; font-weight: 700; opacity: 0.85; }
.gtd-stub-seal {
    position: absolute;
    right: 10px;
    bottom: 12px;
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 2.5px solid var(--gtd-red);
    color: var(--gtd-red);
    background: var(--gtd-red-soft);
    font-size: 12px;
    font-weight: 900;
    line-height: 1.35;
    text-align: center;
    transform: rotate(-12deg);
    opacity: 0.9;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

/* 票面字段（深底浅字） */
.gtd-tfield { display: grid; gap: 5px; }
.gtd-tlabel { font-size: 12px; font-weight: 700; color: rgba(238, 242, 250, 0.75); }
.gtd-tselect-wrap { position: relative; display: block; }
.gtd-tselect-wrap::after {
    content: "▾";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gtd-gold);
    pointer-events: none;
    font-size: 12px;
}
.gtd-tinput {
    width: 100%;
    height: 40px;
    padding: 0 30px 0 12px;
    border: 1.5px solid rgba(238, 242, 250, 0.3);
    border-radius: 7px;
    background: var(--gtd-ticket2);
    color: #f4f7fc;
    font-size: 14px;
    font-weight: 800;
    outline: none;
    appearance: none;
    box-sizing: border-box;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-variant-numeric: tabular-nums;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.gtd-tinput:focus { border-color: var(--gtd-gold); box-shadow: 0 0 0 3px var(--gtd-gold-soft); }
.gtd-tgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.gtd-thint { margin: 2px 0 0; font-size: 12px; color: rgba(238, 242, 250, 0.6); }
.gtd-thint b { color: var(--gtd-gold); }

/* ---------- 测算区两栏 ---------- */
.gtd-calc {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr);
    gap: 20px;
    align-items: start;
    margin-bottom: 28px;
}
.gtd-input-col { display: grid; gap: 16px; min-width: 0; }

.gtd-panel {
    padding: 20px 22px;
    border: 1px solid var(--gtd-line);
    border-radius: 12px 12px 12px 2px;
    background: var(--gtd-paper);
    box-shadow: var(--gtd-shadow);
}
.gtd-panel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.gtd-panel-head h2 { margin: 0; font-size: 18px; font-weight: 900; }
.gtd-panel-head p { margin: 2px 0 0; font-size: 13px; color: var(--gtd-sub); }
.gtd-step {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--gtd-cyan);
    color: #fff;
    font-size: 14px;
    font-weight: 900;
}
.gtd-step--seal { background: var(--gtd-gold); color: #2a2005; }
.gtd-step--warn { background: var(--gtd-red); }

/* 流程 */
.gtd-flow { margin: 0; padding: 0; list-style: none; counter-reset: gtdef; display: grid; gap: 10px; }
.gtd-flow li {
    position: relative;
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--gtd-line);
    border-radius: 8px;
    background: var(--gtd-paper2);
    counter-increment: gtdef;
}
.gtd-flow li::before {
    content: counter(gtdef);
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--gtd-ticket);
    color: var(--gtd-gold);
    font-size: 13px;
    font-weight: 900;
    font-family: ui-monospace, monospace;
}
.gtd-flow b { display: block; font-size: 14px; color: var(--gtd-ink); }
.gtd-flow span { display: block; font-size: 13px; color: var(--gtd-sub); }

/* 列表 */
.gtd-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.gtd-list li {
    position: relative;
    padding: 9px 12px 9px 30px;
    border-radius: 8px;
    background: var(--gtd-paper2);
    border: 1px solid var(--gtd-line);
    font-size: 13.5px;
    color: var(--gtd-sub);
}
.gtd-list li b { color: var(--gtd-cyan-deep); }
.gtd-list li::before {
    content: "▸";
    position: absolute;
    left: 11px;
    top: 9px;
    color: var(--gtd-cyan);
    font-weight: 900;
}
.gtd-list--check li::before { content: "✓"; color: var(--gtd-cyan); }
.gtd-list--warn li b { color: var(--gtd-red); }
.gtd-list--warn li::before { content: "⚠"; color: var(--gtd-red); }

/* 错误提示 */
.gtd-error {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--gtd-red);
    background: var(--gtd-red-soft);
    color: var(--gtd-red);
    font-size: 13.5px;
    font-weight: 700;
}

/* 按钮 */
.gtd-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.gtd-btn {
    padding: 10px 20px;
    border-radius: 7px;
    border: 1.5px solid var(--gtd-line);
    background: var(--gtd-paper2);
    color: var(--gtd-ink);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.14s;
}
.gtd-btn:hover { border-color: var(--gtd-cyan); color: var(--gtd-cyan-deep); }
.gtd-btn--primary { background: var(--gtd-cyan); border-color: var(--gtd-cyan); color: #fff; }
.gtd-btn--primary:hover { background: var(--gtd-cyan-deep); border-color: var(--gtd-cyan-deep); color: #fff; }

/* ---------- 结果列 ---------- */
.gtd-result-col { display: grid; gap: 16px; position: sticky; top: 16px; }
.gtd-result-hero {
    padding: 18px 20px;
    border-radius: 12px;
    border: 1.5px solid var(--gtd-ticket);
    background: var(--gtd-paper);
    display: grid;
    gap: 4px;
    justify-items: start;
    box-shadow: var(--gtd-shadow);
}
.gtd-rh-label { font-size: 11px; font-weight: 800; letter-spacing: 0.18em; color: var(--gtd-sub); }
.gtd-rh-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--gtd-gold-deep);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
}
.gtd-rh-sub { font-size: 13px; font-weight: 700; color: var(--gtd-cyan-deep); }
.gtd-verdict {
    margin-top: 8px;
    padding: 6px 14px;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 900;
    background: var(--gtd-paper2);
    border: 1.5px solid var(--gtd-line);
    color: var(--gtd-sub);
}
.gtd-verdict.is-ok { background: var(--gtd-cyan-soft); border-color: var(--gtd-cyan); color: var(--gtd-cyan-deep); }
.gtd-verdict.is-mid { background: var(--gtd-gold-soft); border-color: var(--gtd-gold); color: var(--gtd-gold-deep); }
.gtd-verdict.is-no { background: var(--gtd-red-soft); border-color: var(--gtd-red); color: var(--gtd-red); }
.gtd-rh-tip { margin-top: 4px; font-size: 12px; color: var(--gtd-sub); }

.gtd-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.gtd-kpi {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--gtd-line);
    background: var(--gtd-paper);
    display: grid;
    gap: 2px;
    box-shadow: var(--gtd-shadow);
}
.gtd-kpi span { font-size: 12px; font-weight: 700; color: var(--gtd-sub); }
.gtd-kpi b {
    font-size: 17px;
    color: var(--gtd-ink);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-variant-numeric: tabular-nums;
}
.gtd-kpi small { font-size: 11px; color: var(--gtd-sub); }

.gtd-mini-card {
    padding: 16px 18px;
    border-radius: 12px;
    border: 1px dashed var(--gtd-dash);
    background: var(--gtd-paper);
    box-shadow: var(--gtd-shadow);
}
.gtd-mini-card h3 { margin: 0 0 10px; font-size: 15px; font-weight: 900; }

/* ---------- 表格 ---------- */
.gtd-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.gtd-table th, .gtd-table td { padding: 8px 9px; border-bottom: 1px dashed var(--gtd-dash); text-align: left; vertical-align: top; }
.gtd-table th { font-size: 12px; letter-spacing: 0.06em; color: var(--gtd-sub); background: var(--gtd-paper2); }
.gtd-table tbody tr:last-child td { border-bottom: none; }
.gtd-table td:first-child { font-weight: 800; white-space: nowrap; color: var(--gtd-ticket); }
:root[data-theme="dark"] .gtd-table td:first-child { color: var(--gtd-gold); }
.gtd-hint { margin: 8px 0 0; font-size: 12.5px; color: var(--gtd-sub); }
.gtd-hint b { color: var(--gtd-gold-deep); }

/* ---------- 正文区 ---------- */
.gtd-section { margin-bottom: 28px; }
.gtd-sec-head { margin-bottom: 16px; }
.gtd-sec-head h2 { margin: 0 0 6px; font-size: 21px; font-weight: 900; }
.gtd-sec-head p { margin: 0; color: var(--gtd-sub); font-size: 14px; }
.gtd-grid2-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

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

.gtd-toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%) translateY(10px);
    padding: 10px 20px;
    border-radius: 4px;
    background: var(--gtd-ticket);
    color: var(--gtd-gold);
    font-size: 13.5px;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s;
    z-index: 60;
}
.gtd-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .gtd-hero { grid-template-columns: minmax(0, 1fr) minmax(330px, 0.95fr); }
    .gtd-calc { grid-template-columns: 1fr; }
    .gtd-result-col { position: static; }
    .gtd-grid2-panels { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .gtd-hero { grid-template-columns: 1fr; padding: 22px 18px; }
    .gtd-ticket { grid-template-columns: minmax(0, 1fr); }
    .gtd-perf { border-left: none; border-top: 2px dashed rgba(238, 242, 250, 0.45); height: 0; }
    .gtd-perf-hole--top { top: -9px; left: -10px; }
    .gtd-perf-hole--bottom { bottom: -9px; left: auto; right: -10px; }
    .gtd-stub { display: grid; grid-template-columns: auto auto; align-items: center; gap: 2px 14px; padding: 14px 18px; }
    .gtd-stub-seal { position: static; transform: rotate(-8deg); justify-self: end; }
    .gtd-tgrid { grid-template-columns: 1fr; }
    .gtd-panel { padding: 16px; }
    .gtd-kpis { grid-template-columns: 1fr; }
    .gtd-actions { display: grid; grid-template-columns: 1fr; }
    .gtd-actions .gtd-btn { width: 100%; }
    .gtd-sec-head h2 { font-size: 18px; }
    .gtd-table { font-size: 12.5px; }
    .gtd-table th, .gtd-table td { padding: 7px 7px; }
    .gtd-top { right: 14px; bottom: 18px; }
}