/* ============================================================
   #24 ISO 周数查询 · 印刷周历索引卡
   前缀 wkn- · 奶油纸 + 深紫 + 珊瑚橙，浅色默认深色整套覆盖
   ============================================================ */
.wkn-page, .wkn-toast {
    --wkn-bg: #fcf7f2;
    --wkn-bg2: #f3ebe1;
    --wkn-panel: #fffdfa;
    --wkn-panel2: #fbf5ef;
    --wkn-ink: #2c2338;
    --wkn-sub: #756b80;
    --wkn-line: #e9dccd;
    --wkn-line2: #d8c5b4;
    --wkn-brand: #57308f;
    --wkn-brand-deep: #3d1f6c;
    --wkn-brand-soft: #efe7f8;
    --wkn-coral: #d6531f;
    --wkn-coral-soft: #fdeade;
    --wkn-warn: #a23b1d;
    --wkn-code: #f3eef8;
    --wkn-shadow: 0 14px 34px rgba(69, 48, 32, .10);
    --wkn-shadow-sm: 0 3px 12px rgba(69, 48, 32, .07);
    --wkn-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] .wkn-page, :root[data-theme="dark"] .wkn-toast {
    --wkn-bg: #16121f;
    --wkn-bg2: #1e182a;
    --wkn-panel: #211a2c;
    --wkn-panel2: #291f36;
    --wkn-ink: #f1eafb;
    --wkn-sub: #b3a5c4;
    --wkn-line: #392c4c;
    --wkn-line2: #4d3a66;
    --wkn-brand: #b99aff;
    --wkn-brand-deep: #d2c0ff;
    --wkn-brand-soft: #2c2042;
    --wkn-coral: #ff9a6a;
    --wkn-coral-soft: #3d251c;
    --wkn-warn: #ffb08a;
    --wkn-code: #251b33;
    --wkn-shadow: 0 14px 34px rgba(0, 0, 0, .34);
    --wkn-shadow-sm: 0 3px 12px rgba(0, 0, 0, .28);
}
.wkn-page {
    background: var(--wkn-bg); color: var(--wkn-ink); padding: 0 0 56px; min-height: 60vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px; line-height: 1.75;
}
.wkn-wrap { max-width: 1140px; margin: 0 auto; padding: 18px 16px 0; }
.wkn-page .detail-breadcrumb { font-size: 13px; color: var(--wkn-sub); margin: 10px 0 18px; }
.wkn-page .detail-breadcrumb a { color: var(--wkn-sub); text-decoration: none; }
.wkn-page .detail-breadcrumb a:hover { color: var(--wkn-brand); }
.wkn-page .detail-breadcrumb .current { color: var(--wkn-brand); font-weight: 700; }
.wkn-page .detail-breadcrumb .sep { margin: 0 8px; opacity: .6; }

/* ---------- 首屏 ---------- */
.wkn-hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 26px; align-items: stretch; margin-bottom: 24px; }
.wkn-hero > * { min-width: 0; }
.wkn-kicker {
    display: inline-block; font: 700 11px var(--wkn-mono); letter-spacing: 1.4px;
    color: var(--wkn-brand); background: var(--wkn-brand-soft);
    border: 1px solid var(--wkn-line2); border-radius: 20px; padding: 6px 13px; margin-bottom: 14px;
}
.wkn-page h1 { font-size: 35px; line-height: 1.22; font-weight: 800; margin: 0 0 14px; }
.wkn-sub { font-size: 15px; line-height: 1.95; color: var(--wkn-sub); margin: 0 0 18px; max-width: 640px; }
.wkn-sub b { color: var(--wkn-ink); }
.wkn-form { background: var(--wkn-panel); border: 1px solid var(--wkn-line2); border-radius: 12px; padding: 14px 16px; box-shadow: var(--wkn-shadow-sm); }
.wkn-form > label { display: block; font-size: 12px; font-weight: 700; margin-bottom: 7px; }
.wkn-form-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.wkn-form-row input[type="date"], .wkn-reverse input {
    padding: 9px 11px; border: 1px solid var(--wkn-line2); border-radius: 7px;
    background: var(--wkn-panel2); color: var(--wkn-ink); font: 13px var(--wkn-mono);
}
.wkn-btn {
    border: 1px solid var(--wkn-line2); background: var(--wkn-panel2); color: var(--wkn-ink);
    border-radius: 7px; padding: 10px 16px; font-size: 14px; font-weight: 650; cursor: pointer;
    transition: transform .12s, box-shadow .12s, background .12s; font-family: inherit;
}
.wkn-btn:hover { transform: translateY(-1px); box-shadow: var(--wkn-shadow-sm); }
.wkn-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.wkn-btn-main { background: var(--wkn-brand); border-color: var(--wkn-brand-deep); color: #fff; }
.wkn-btn-main:hover { background: var(--wkn-brand-deep); }
.wkn-btn-ghost { background: transparent; }
.wkn-form-msg, .wkn-batch-msg, .wkn-reverse-msg { font-size: 11.5px; color: var(--wkn-sub); margin: 9px 0 0; line-height: 1.8; min-height: 20px; }
.wkn-form-msg.is-err, .wkn-batch-msg.is-err, .wkn-reverse-msg.is-err { color: var(--wkn-warn); }

/* ---------- 周历卡 ---------- */
.wkn-card {
    background: linear-gradient(160deg, var(--wkn-brand), var(--wkn-brand-deep));
    color: #fff; border-radius: 14px; box-shadow: var(--wkn-shadow);
    padding: 16px 18px; display: flex; flex-direction: column; gap: 9px; position: relative; overflow: hidden;
}
.wkn-card::after {
    content: ''; position: absolute; right: -42px; top: -42px; width: 150px; height: 150px;
    border: 18px solid rgba(255, 255, 255, .07); border-radius: 50%;
}
.wkn-card-top { display: flex; justify-content: space-between; font: 700 11px var(--wkn-mono); letter-spacing: 1.5px; opacity: .86; }
.wkn-card-num { display: flex; align-items: baseline; gap: 10px; }
.wkn-card-num span { font: 800 28px var(--wkn-mono); opacity: .7; }
.wkn-card-num b { font: 800 76px/1 var(--wkn-mono); letter-spacing: -3px; color: #ffd7bd; }
.wkn-card-range { font: 700 13px var(--wkn-mono); background: rgba(255, 255, 255, .13); border-radius: 6px; padding: 6px 10px; }
.wkn-card-days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.wkn-card-days div { text-align: center; border-radius: 5px; padding: 5px 0; background: rgba(255, 255, 255, .12); font: 11px var(--wkn-mono); min-width: 0; }
.wkn-card-days div.is-on { background: var(--wkn-coral); color: #fff; font-weight: 800; }
.wkn-card-days span { display: block; font-size: 9.5px; opacity: .8; }
.wkn-card-days b { display: block; font-size: 12px; }
.wkn-card-foot { display: flex; justify-content: space-between; font: 11px var(--wkn-mono); opacity: .88; }
.wkn-card-bar { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .2); overflow: hidden; }
.wkn-card-bar i { display: block; height: 100%; width: 0; background: var(--wkn-coral); transition: width .2s; }

/* ---------- 区块 ---------- */
.wkn-section {
    background: var(--wkn-panel); border: 1px solid var(--wkn-line); border-radius: 12px;
    box-shadow: var(--wkn-shadow-sm); padding: 20px; margin-bottom: 20px;
}
.wkn-sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 15px; }
.wkn-page h2 { font-size: 19px; margin: 0; font-weight: 800; }
.wkn-page h2::before { content: '▦'; color: var(--wkn-coral); margin-right: 8px; }
.wkn-sec-sub { font: 11.5px var(--wkn-mono); color: var(--wkn-sub); }
.wkn-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.wkn-stat { border: 1px solid var(--wkn-line); border-left: 4px solid var(--wkn-brand); border-radius: 7px; background: var(--wkn-panel2); padding: 10px 13px; min-width: 0; }
.wkn-stat.is-hot { border-left-color: var(--wkn-coral); background: var(--wkn-coral-soft); }
.wkn-stat span { display: block; font-size: 11.5px; color: var(--wkn-sub); }
.wkn-stat b { display: block; font: 800 17px/1.5 var(--wkn-mono); color: var(--wkn-ink); word-break: break-word; }
.wkn-table-scroll { overflow-x: auto; }
.wkn-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.wkn-table th, .wkn-table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--wkn-line); vertical-align: top; }
.wkn-table th { background: var(--wkn-bg2); color: var(--wkn-sub); font-size: 11.5px; white-space: nowrap; }
.wkn-table tbody tr:nth-child(even) { background: var(--wkn-panel2); }
.wkn-table td { word-break: break-word; }
.wkn-table .wkn-empty { text-align: center; color: var(--wkn-sub); padding: 24px; }
.wkn-pill { display: inline-block; border-radius: 4px; padding: 2px 8px; font-size: 11px; font-weight: 700; background: var(--wkn-brand-soft); color: var(--wkn-brand); }
.wkn-pill.err { background: var(--wkn-coral-soft); color: var(--wkn-warn); }

/* ---------- 反查与全年周历 ---------- */
.wkn-reverse { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; }
.wkn-reverse label { font-size: 11.5px; color: var(--wkn-sub); }
.wkn-reverse label input { display: block; margin-top: 4px; width: 110px; box-sizing: border-box; }
.wkn-reverse-msg { flex: 1 1 200px; }
.wkn-reverse-result { margin-top: 12px; border: 1px solid var(--wkn-line2); border-left: 4px solid var(--wkn-coral); border-radius: 0 8px 8px 0; background: var(--wkn-coral-soft); padding: 11px 14px; font-size: 12.5px; line-height: 1.9; }
.wkn-reverse-result[hidden] { display: none !important; }
.wkn-reverse-result b { color: var(--wkn-brand); }
.wkn-grid-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin: 18px 0 10px; align-items: baseline; }
.wkn-grid-head span { font-size: 11.5px; color: var(--wkn-sub); }
.wkn-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(54px, 1fr)); gap: 6px; }
.wkn-week {
    border: 1px solid var(--wkn-line2); background: var(--wkn-panel2); color: var(--wkn-ink);
    border-radius: 6px; padding: 6px 2px; font: 700 12px var(--wkn-mono); cursor: pointer; text-align: center;
}
.wkn-week:hover { border-color: var(--wkn-brand); }
.wkn-week.is-on { background: var(--wkn-coral); border-color: var(--wkn-coral); color: #fff; }
.wkn-week.is-sel { background: var(--wkn-brand); border-color: var(--wkn-brand); color: #fff; }
.wkn-years { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; margin-top: 16px; }
.wkn-year { border: 1px dashed var(--wkn-line2); border-radius: 8px; padding: 9px 11px; text-align: center; }
.wkn-year span { display: block; font: 11px var(--wkn-mono); color: var(--wkn-sub); }
.wkn-year b { display: block; font: 800 19px var(--wkn-mono); color: var(--wkn-brand); }

/* ---------- 批量 ---------- */
.wkn-batch { display: grid; grid-template-columns: .85fr 1.15fr; gap: 18px; }
.wkn-batch > * { min-width: 0; }
.wkn-batch label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 7px; }
.wkn-batch textarea {
    width: 100%; box-sizing: border-box; resize: vertical; padding: 11px 12px;
    border: 1px solid var(--wkn-line2); border-radius: 8px; background: var(--wkn-panel2);
    color: var(--wkn-ink); font: 12px/1.8 var(--wkn-mono);
}
.wkn-batch-acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.wkn-toast {
    position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 14px);
    background: var(--wkn-ink); color: var(--wkn-panel); border-radius: 8px; padding: 10px 18px;
    font-size: 13px; box-shadow: var(--wkn-shadow); opacity: 0; pointer-events: none;
    transition: opacity .2s, transform .2s; z-index: 999;
}
.wkn-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 980px) {
    .wkn-hero, .wkn-batch { grid-template-columns: 1fr; }
    .wkn-stats, .wkn-years { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    .wkn-wrap { padding: 12px 12px 0; }
    .wkn-page h1 { font-size: 28px; }
    .wkn-sub { font-size: 14px; line-height: 1.85; }
    .wkn-section { padding: 15px 13px; }
    .wkn-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .wkn-table th, .wkn-table td { padding: 8px 7px; font-size: 11.5px; }
    .wkn-card-num b { font-size: 62px; }
    .wkn-form-row { flex-direction: column; align-items: stretch; }
    .wkn-form-row input[type="date"] { width: 100%; box-sizing: border-box; }
    .wkn-form-row > .wkn-btn { flex: none; width: 100%; }
    .wkn-grid { grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); }
}

/* 深色周历卡与主按钮：深紫底 + 亮字，避免亮底白字 */
:root[data-theme="dark"] .wkn-card { background: linear-gradient(160deg, #3a2560, #241638); }
:root[data-theme="dark"] .wkn-btn-main { color: #1c1029; }
:root[data-theme="dark"] .wkn-btn-main:hover { color: #1c1029; }
:root[data-theme="dark"] .wkn-card-days div.is-on,
:root[data-theme="dark"] .wkn-week.is-on,
:root[data-theme="dark"] .wkn-week.is-sel { color: #231226; }