/* ============================================================
   library-overdue-fee · 图书借阅逾期费
   图书馆日期戳借书卡风（lof-）：卡纸米底 + 双线目录卡边框
   + 墨蓝印刷字 + 红色橡皮章日期戳；标题衬线、日期等宽
   ============================================================ */
.lof-page {
    --lof-bg: #e9dfc2;
    --lof-card: #f6efdb;
    --lof-card-deep: #efe5c8;
    --lof-line: #c9ba8e;
    --lof-ink: #2e5478;
    --lof-ink-deep: #21405c;
    --lof-text: #33352f;
    --lof-sub: #75705a;
    --lof-stamp: #b23a2e;
    --lof-stamp-soft: rgba(178, 58, 46, 0.12);
    --lof-date: #2b2b31;
    --lof-good: #3f7d58;
    --lof-warn: #b96a20;
    --lof-shadow: 0 6px 18px rgba(110, 90, 45, 0.22);

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

:root[data-theme="dark"] .lof-page {
    --lof-bg: #24211a;
    --lof-card: #2b2820;
    --lof-card-deep: #322e24;
    --lof-line: #514a35;
    --lof-ink: #8fb8dc;
    --lof-ink-deep: #a8cbe8;
    --lof-text: #ddd8c4;
    --lof-sub: #9a937a;
    --lof-stamp: #d96a5c;
    --lof-stamp-soft: rgba(217, 106, 92, 0.14);
    --lof-date: #d0ccc0;
    --lof-good: #74b18c;
    --lof-warn: #d99a52;
    --lof-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.lof-page h1, .lof-page h2, .lof-page h3 {
    line-height: 1.45;
    margin: 0;
    font-family: Georgia, "Times New Roman", "Noto Serif SC", "Songti SC", serif;
    color: var(--lof-ink-deep);
}
.lof-page b, .lof-page strong { color: var(--lof-ink-deep); }

/* ---------- 首屏：卡袋 + 橡皮章 ---------- */
.lof-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.7fr);
    gap: 26px;
    align-items: center;
    padding: 30px 32px;
    margin-bottom: 24px;
    border-radius: 12px;
    border: 1px solid var(--lof-line);
    background:
        repeating-linear-gradient(90deg, transparent 0 46px, var(--lof-line) 46px 47px),
        linear-gradient(180deg, var(--lof-card) 0%, var(--lof-bg) 100%);
    box-shadow: var(--lof-shadow);
    overflow: hidden;
}
.lof-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0 52%, rgba(201, 186, 142, 0.22) 52% 53%, transparent 53%);
    pointer-events: none;
}
.lof-hero > * { position: relative; z-index: 1; }

.lof-kicker {
    display: inline-block;
    margin-bottom: 12px;
    padding: 3px 0;
    border-bottom: 2px solid var(--lof-stamp);
    color: var(--lof-stamp);
    font-family: "Courier New", monospace;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
}
.lof-hero h1 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; margin-bottom: 10px; }
.lof-hero-sub { margin: 0 0 14px; max-width: 58ch; color: var(--lof-sub); font-size: 15px; }
.lof-hero-sub b { color: var(--lof-ink-deep); }
.lof-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.lof-hero-chips li {
    padding: 5px 13px;
    border-radius: 3px;
    border: 1px solid var(--lof-line);
    background: var(--lof-card);
    color: var(--lof-ink);
    font-size: 12px;
    font-weight: 700;
}

/* 卡袋读数 */
.lof-pocket {
    display: grid;
    gap: 4px;
    justify-items: center;
    padding: 22px 18px 18px;
    border-radius: 6px;
    border: 2px solid var(--lof-ink);
    outline: 1px solid var(--lof-ink);
    outline-offset: -6px;
    background: var(--lof-card);
    box-shadow: var(--lof-shadow);
    text-align: center;
}
.lof-pocket-tag {
    font-family: "Courier New", monospace;
    color: var(--lof-sub);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.2em;
}
.lof-stamp {
    display: inline-block;
    margin: 6px 0 8px;
    padding: 8px 14px;
    border: 2.5px solid var(--lof-stamp);
    border-radius: 50%;
    color: var(--lof-stamp);
    font-family: "Courier New", monospace;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: 0.08em;
    transform: rotate(-8deg);
    opacity: 0.92;
    box-shadow: inset 0 0 0 1.5px var(--lof-stamp-soft);
}
.lof-pocket-fee { color: var(--lof-sub); font-size: 12px; font-weight: 700; }
.lof-fee-num {
    color: var(--lof-stamp);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}
.lof-pocket-meta { color: var(--lof-ink); font-size: 12.5px; font-weight: 700; }

/* ---------- 目录卡分区 ---------- */
.lof-card {
    position: relative;
    padding: 20px 24px 18px;
    margin-bottom: 22px;
    border-radius: 6px;
    border: 1.5px solid var(--lof-ink);
    background:
        repeating-linear-gradient(180deg, transparent 0 34px, var(--lof-line) 34px 35px),
        linear-gradient(180deg, var(--lof-card) 0%, var(--lof-card-deep) 100%);
    box-shadow: var(--lof-shadow);
}
.lof-card-head { margin-bottom: 14px; }
.lof-card-head h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 9px; font-size: 19px; }
.lof-card-head p { margin: 6px 0 0; color: var(--lof-sub); font-size: 13px; line-height: 1.75; }
.lof-no {
    padding: 1px 9px;
    border: 1.5px solid var(--lof-stamp);
    border-radius: 3px;
    color: var(--lof-stamp);
    font-family: "Courier New", monospace;
    font-size: 13px;
    font-weight: 900;
}

/* 表单 */
.lof-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.lof-fields--fee { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lof-field { display: grid; gap: 6px; min-width: 0; }
.lof-label { color: var(--lof-ink); font-size: 12.5px; font-weight: 800; letter-spacing: 0.03em; }
.lof-input {
    width: 100%;
    padding: 9px 12px;
    border-radius: 3px;
    border: 1px solid var(--lof-line);
    background: #fffdf4;
    color: var(--lof-date);
    font-size: 15px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .lof-input { background: #1f1d16; }
.lof-input:focus { outline: 2px solid var(--lof-ink); outline-offset: 1px; }
.lof-input[type="date"] { font-family: "Courier New", monospace; font-weight: 700; }
.lof-select-wrap { position: relative; display: block; }
.lof-select-wrap select { appearance: none; -webkit-appearance: none; padding-right: 30px; }
.lof-select-wrap::after {
    content: "▾";
    position: absolute;
    right: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--lof-ink);
    pointer-events: none;
    font-size: 13px;
}
.lof-check { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px dashed var(--lof-line); border-radius: 3px; background: var(--lof-card); cursor: pointer; font-size: 13.5px; font-weight: 700; color: var(--lof-text); line-height: 1.7; }
.lof-check input { width: 16px; height: 16px; accent-color: var(--lof-ink); }
.lof-field--check { align-content: start; }

.lof-due-line {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    margin-top: 14px;
    padding: 9px 14px;
    border-radius: 3px;
    background: var(--lof-stamp-soft);
    color: var(--lof-text);
    font-size: 13.5px;
    font-weight: 700;
}
.lof-due-line b { color: var(--lof-stamp); font-family: "Courier New", monospace; font-size: 15px; }
.lof-due-base { color: var(--lof-ink); font-size: 12.5px; }

/* 错误与操作 */
.lof-error {
    padding: 10px 16px;
    margin-bottom: 16px;
    border-radius: 4px;
    border: 1.5px solid var(--lof-stamp);
    background: var(--lof-stamp-soft);
    color: var(--lof-stamp);
    font-size: 13.5px;
    font-weight: 800;
}
.lof-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.lof-btn {
    padding: 10px 22px;
    border-radius: 3px;
    border: 1.5px solid var(--lof-ink);
    background: var(--lof-card);
    color: var(--lof-ink-deep);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.18s;
}
.lof-btn:hover { transform: translateY(-2px); box-shadow: var(--lof-shadow); }
.lof-btn--primary { background: var(--lof-ink); color: #f6efdb; }
.lof-btn--primary:hover { background: var(--lof-ink-deep); }

/* ---------- 03 结果 ---------- */
.lof-result { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 22px; margin-bottom: 22px; }
.lof-result-card, .lof-impact-card { margin-bottom: 0; }
.lof-verdict {
    display: inline-block;
    padding: 7px 18px;
    margin-bottom: 8px;
    border: 2px solid var(--lof-good);
    border-radius: 4px;
    color: var(--lof-good);
    font-size: 17px;
    font-weight: 900;
    transform: rotate(-1.5deg);
}
.lof-verdict.is-over { border-color: var(--lof-stamp); color: var(--lof-stamp); background: var(--lof-stamp-soft); }
.lof-verdict-note { margin: 0 0 12px; color: var(--lof-text); font-size: 13.5px; line-height: 1.8; }
.lof-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lof-kpi {
    display: grid;
    gap: 2px;
    padding: 11px 13px;
    border-radius: 3px;
    border: 1px dashed var(--lof-ink);
    background: var(--lof-card);
}
.lof-kpi span { color: var(--lof-sub); font-size: 12px; font-weight: 700; }
.lof-kpi b { color: var(--lof-ink-deep); font-size: 19px; font-weight: 900; font-variant-numeric: tabular-nums; }
.lof-kpi--hl { border: 2px solid var(--lof-stamp); background: var(--lof-stamp-soft); }
.lof-kpi--hl b { color: var(--lof-stamp); }
.lof-cap-note { min-height: 20px; margin: 10px 0 0; color: var(--lof-warn); font-size: 12.5px; font-weight: 800; line-height: 1.75; }

.lof-timeline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--lof-line);
}
.lof-tl-item {
    display: grid;
    gap: 1px;
    padding: 7px 14px;
    border: 1.5px solid var(--lof-ink);
    border-radius: 3px;
    background: var(--lof-card);
    text-align: center;
}
.lof-tl-item span { color: var(--lof-sub); font-size: 11px; font-weight: 800; letter-spacing: 0.14em; }
.lof-tl-item b { color: var(--lof-date); font-family: "Courier New", monospace; font-size: 13.5px; }
.lof-tl-item.is-late { border-color: var(--lof-stamp); background: var(--lof-stamp-soft); }
.lof-tl-item.is-late b { color: var(--lof-stamp); }
.lof-tl-arrow { color: var(--lof-ink); font-style: normal; font-weight: 900; }

/* 影响清单 */
.lof-impacts { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.lof-impact {
    position: relative;
    padding: 10px 13px 10px 34px;
    border-radius: 3px;
    border: 1px solid var(--lof-line);
    background: var(--lof-card);
    color: var(--lof-sub);
    font-size: 13px;
    line-height: 1.8;
}
.lof-impact::before {
    content: "□";
    position: absolute;
    left: 11px;
    top: 10px;
    color: var(--lof-line);
    font-size: 15px;
}
.lof-impact.is-on { color: var(--lof-text); border-color: var(--lof-stamp); background: var(--lof-stamp-soft); }
.lof-impact.is-on::before { content: "■"; color: var(--lof-stamp); }
.lof-impact.is-on b { color: var(--lof-stamp); }

/* ---------- 04 速查表 ---------- */
.lof-table-wrap { overflow-x: auto; }
.lof-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 560px; }
.lof-table th {
    padding: 9px 11px;
    border: 1px solid var(--lof-ink);
    background: var(--lof-ink);
    color: var(--lof-card);
    text-align: left;
    font-weight: 800;
    white-space: nowrap;
}
.lof-table td { padding: 9px 11px; border: 1px solid var(--lof-line); color: var(--lof-text); line-height: 1.75; }
.lof-table td:first-child { font-weight: 800; color: var(--lof-ink-deep); white-space: nowrap; }
.lof-tip { margin: 12px 0 0; color: var(--lof-sub); font-size: 12.5px; line-height: 1.8; }
.lof-tip b { color: var(--lof-ink-deep); }

/* ---------- 返回顶部 & toast ---------- */
.lof-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border-radius: 3px;
    border: 2px solid var(--lof-ink);
    background: var(--lof-card);
    color: var(--lof-ink-deep);
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s;
    box-shadow: var(--lof-shadow);
    z-index: 50;
}
.lof-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.lof-top:hover { background: var(--lof-ink); color: var(--lof-card); }

.lof-toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%) translateY(10px);
    padding: 10px 20px;
    border-radius: 3px;
    border: 1.5px solid var(--lof-ink);
    background: var(--lof-card);
    color: var(--lof-ink-deep);
    font-size: 13.5px;
    font-weight: 800;
    box-shadow: var(--lof-shadow);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s;
    z-index: 60;
}
.lof-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .lof-hero { grid-template-columns: minmax(0, 1fr) minmax(220px, 0.6fr); padding: 24px 22px; }
    .lof-result { grid-template-columns: 1fr; }
    .lof-fields, .lof-fields--fee { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .lof-hero { grid-template-columns: 1fr; }
    .lof-kpis { grid-template-columns: 1fr; }
    .lof-timeline { gap: 6px; }
    .lof-tl-arrow { transform: rotate(90deg); }
    .lof-actions { display: grid; grid-template-columns: 1fr; }
    .lof-actions .lof-btn { width: 100%; }
    .lof-card { padding: 16px 15px 14px; }
    .lof-top { right: 14px; bottom: 18px; }
}