/* 五十音图速查 · 和纸练习册设计系统（前缀 jkr-）
   浅色：和纸 + 朱红 + 墨黑；深色：暗和纸 + 亮朱 + 暖米 */
.jkr-page, .jkr-modal, .ws-toast {
    --jkr-bg: #f7f3e9; --jkr-paper: #fffdf7; --jkr-ink: #22201e; --jkr-sub: #7c7369;
    --jkr-red: #b7332e; --jkr-line: #e2d8c5; --jkr-fill: #f1e9d8; --jkr-grid: rgba(183,51,46,.16);
    --jkr-shadow: 0 10px 26px rgba(34,32,30,.1);
    --jkr-font: "Yu Gothic", "Hiragino Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}
:root[data-theme="dark"] .jkr-page, :root[data-theme="dark"] .jkr-modal, :root[data-theme="dark"] .ws-toast {
    --jkr-bg: #171512; --jkr-paper: #221f1a; --jkr-ink: #efe7d6; --jkr-sub: #b3a995;
    --jkr-red: #f08a80; --jkr-line: #3a342a; --jkr-fill: #2a261f; --jkr-grid: rgba(240,138,128,.2);
    --jkr-shadow: 0 14px 32px rgba(0,0,0,.36);
}
.jkr-page { background: var(--jkr-bg); color: var(--jkr-ink); font-family: var(--jkr-font);
    font-size: 14.5px; line-height: 1.8; padding-bottom: 56px; }
.jkr-wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.jkr-page .detail-breadcrumb { padding: 18px 0 0; font-size: 13px; color: var(--jkr-sub); }
.jkr-page .detail-breadcrumb a { color: var(--jkr-red); text-decoration: none; }
.jkr-page .detail-breadcrumb .sep { margin: 0 8px; }
.jkr-page b { font-weight: 700; }
.jkr-kicker { font-size: 11px; letter-spacing: .16em; color: var(--jkr-red); }

/* 首屏 */
.jkr-hero { display: grid; grid-template-columns: 1.5fr .55fr; gap: 22px; margin: 22px 0 20px; }
.jkr-hero-copy { background: var(--jkr-paper); border: 1px solid var(--jkr-line); border-radius: 3px;
    padding: 28px 30px; box-shadow: var(--jkr-shadow); border-top: 5px solid var(--jkr-red); }
.jkr-hero h1 { font-size: clamp(24px, 2.9vw, 34px); line-height: 1.4; margin: 10px 0 8px; }
.jkr-sub { font-size: 14px; line-height: 1.95; color: var(--jkr-sub); margin: 0 0 18px; max-width: 690px; }
.jkr-sub b { color: var(--jkr-red); }
.jkr-page input { font: inherit; color: var(--jkr-ink); background: var(--jkr-paper);
    border: 1px solid var(--jkr-line); border-radius: 3px; padding: 10px 12px; outline: none; box-sizing: border-box; }
.jkr-page input:focus { border-color: var(--jkr-red); }
.jkr-search { display: flex; gap: 8px; flex-wrap: wrap; }
.jkr-search input { flex: 1 1 240px; min-width: 0; }
.jkr-btn { font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid var(--jkr-line);
    background: var(--jkr-paper); color: var(--jkr-ink); border-radius: 3px; padding: 9px 15px; white-space: nowrap; }
.jkr-btn:hover:not(:disabled) { border-color: var(--jkr-red); }
.jkr-btn:disabled { opacity: .5; }
.jkr-btn--main { background: var(--jkr-red); border-color: var(--jkr-red); color: #fff; }
.jkr-btn--main:hover { filter: brightness(1.1); }
.jkr-views { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.jkr-view { font: inherit; font-size: 12px; cursor: pointer; border: 1px solid var(--jkr-line);
    background: var(--jkr-fill); color: var(--jkr-sub); padding: 4px 12px; border-radius: 2px; }
.jkr-view.is-on { background: var(--jkr-ink); border-color: var(--jkr-ink); color: #fff; }
.jkr-hint { font-size: 11.5px; color: var(--jkr-sub); line-height: 1.8; margin: 12px 0 0; }
.jkr-card { position: relative; background: var(--jkr-fill); border: 1px solid var(--jkr-line); border-radius: 3px;
    padding: 16px 18px; box-shadow: var(--jkr-shadow); }
.jkr-card-h { font-size: 10px; letter-spacing: .14em; color: var(--jkr-sub); border-bottom: 1px solid var(--jkr-line); padding-bottom: 9px; }
.jkr-tian { width: 132px; height: 132px; margin: 14px auto; position: relative; border: 2px solid var(--jkr-red);
    display: flex; align-items: center; justify-content: center; background: var(--jkr-paper); }
.jkr-tian::before, .jkr-tian::after { content: ""; position: absolute; background: repeating-linear-gradient(90deg, var(--jkr-grid) 0 5px, transparent 5px 10px); }
.jkr-tian::before { left: 0; right: 0; top: 50%; height: 1px; }
.jkr-tian::after { top: 0; bottom: 0; left: 50%; width: 1px; background: repeating-linear-gradient(0deg, var(--jkr-grid) 0 5px, transparent 5px 10px); }
.jkr-tian span { font-size: 78px; line-height: 1; position: relative; z-index: 1; }
.jkr-card-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; text-align: center; }
.jkr-card-meta div { border: 1px solid var(--jkr-line); background: var(--jkr-paper); padding: 6px 2px; }
.jkr-card-meta span { display: block; font-size: 10px; color: var(--jkr-sub); }
.jkr-card-meta b { font-size: 19px; }
.jkr-card-pos { text-align: center; font-size: 11.5px; color: var(--jkr-sub); margin: 10px 0; }
.jkr-card > .jkr-btn { width: 100%; }
.jkr-stamp { position: absolute; right: 14px; bottom: 58px; width: 48px; height: 48px; border: 2px solid var(--jkr-red);
    border-radius: 50%; color: var(--jkr-red); font-size: 12px; font-weight: 700; display: flex; align-items: center;
    justify-content: center; transform: rotate(-14deg); opacity: .65; }

/* 表格 */
.jkr-panel { background: var(--jkr-paper); border: 1px solid var(--jkr-line); border-radius: 3px;
    padding: 18px 20px; margin-top: 18px; box-shadow: var(--jkr-shadow); min-width: 0; }
.jkr-panel-h { display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
    border-bottom: 2px solid var(--jkr-red); padding-bottom: 10px; margin-bottom: 14px; }
.jkr-panel-h b { font-size: 16px; }
.jkr-panel-h span { font-size: 11.5px; color: var(--jkr-sub); }
.jkr-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.jkr-tab { font: inherit; font-size: 12.5px; cursor: pointer; border: 1px solid var(--jkr-line);
    background: var(--jkr-fill); color: var(--jkr-sub); border-radius: 2px; padding: 5px 13px; }
.jkr-tab.is-on { background: var(--jkr-red); border-color: var(--jkr-red); color: #fff; }
.jkr-rowfilter { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 12px; }
.jkr-rowfilter button { font: inherit; font-size: 11px; cursor: pointer; border: 1px dashed var(--jkr-line);
    background: var(--jkr-paper); color: var(--jkr-sub); border-radius: 12px; padding: 2px 9px; }
.jkr-rowfilter button.is-on { border-style: solid; border-color: var(--jkr-red); color: var(--jkr-red); }
.jkr-grid-scroll { overflow-x: auto; }
.jkr-grid { display: grid; grid-template-columns: 62px repeat(5, minmax(64px, 1fr)); gap: 4px; min-width: 420px; }
.jkr-th, .jkr-rowh { background: var(--jkr-fill); color: var(--jkr-sub); font-size: 11.5px;
    display: flex; align-items: center; justify-content: center; border-radius: 2px; min-height: 34px; }
.jkr-cell { min-height: 68px; border: 1px solid var(--jkr-line); border-radius: 2px; background: var(--jkr-paper);
    cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; transition: .15s; }
.jkr-cell:hover, .jkr-cell.is-on { border-color: var(--jkr-red); background: var(--jkr-fill); }
.jkr-cell.is-dim { opacity: .32; }
.jkr-cell.is-blank { cursor: default; background: var(--jkr-fill); border-style: dashed; }
.jkr-cell.is-blank:hover { border-color: var(--jkr-line); background: var(--jkr-fill); }
.jkr-cell .h { font-size: 26px; line-height: 1.15; }
.jkr-cell .k { font-size: 15px; color: var(--jkr-sub); }
.jkr-cell .r { font: 11px Georgia, serif; color: var(--jkr-red); }
.jkr-cell.is-extra { min-height: 54px; }
.jkr-cell.is-extra .h { font-size: 20px; }

/* 小测 */
.jkr-quiz[hidden] { display: none !important; }
.jkr-quiz-box { margin-top: 10px; }
.jkr-quiz-q { font-size: 17px; line-height: 1.9; }
.jkr-quiz-q b { font-size: 42px; color: var(--jkr-red); }
.jkr-quiz-opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.jkr-quiz-opts button { font: 700 17px Georgia, serif; cursor: pointer; padding: 10px; border: 1px solid var(--jkr-line);
    border-radius: 3px; background: var(--jkr-paper); color: var(--jkr-ink); }
.jkr-quiz-opts button.is-right { border-color: var(--jkr-red); background: var(--jkr-fill); }
.jkr-quiz-opts button.is-wrong { color: var(--jkr-sub); text-decoration: line-through; }
.jkr-err { color: var(--jkr-red); font-size: 12px; min-height: 18px; margin: 8px 0 0; }
.jkr-btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.jkr-wrong { display: flex; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--jkr-sub); min-height: 26px; }
.jkr-wrong span { background: var(--jkr-fill); border-radius: 2px; padding: 2px 9px; }

/* 弹窗 */
.jkr-modal[hidden] { display: none !important; }
.jkr-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center;
    background: rgba(28,24,20,.62); padding: 20px; }
.jkr-modal-box { position: relative; width: min(430px, 100%); background: var(--jkr-paper); color: var(--jkr-ink);
    padding: 28px 30px; border-radius: 3px; border-top: 5px solid var(--jkr-red); box-shadow: 0 22px 54px rgba(0,0,0,.32); }
.jkr-modal-x { position: absolute; right: 12px; top: 6px; border: 0; background: none; font-size: 24px; color: var(--jkr-sub); cursor: pointer; }
.jkr-modal-box h2 { margin: 8px 0 10px; font-size: 22px; }
.jkr-modal-box p { font-size: 14px; color: var(--jkr-sub); line-height: 1.9; }
.ws-toast { position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 16px); z-index: 10000;
    background: var(--jkr-ink); color: var(--jkr-paper); padding: 10px 20px; border-radius: 3px;
    font-size: 13px; opacity: 0; pointer-events: none; transition: .25s; }
.ws-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.ws-toast.is-err { background: var(--jkr-red); color: #fff; }

@media (max-width: 960px) { .jkr-hero { grid-template-columns: 1fr; } .jkr-card { max-width: 320px; } }
@media (max-width: 480px) {
    .jkr-wrap { padding: 0 12px; } .jkr-hero-copy, .jkr-panel { padding: 18px 14px; }
    .jkr-quiz-opts { grid-template-columns: repeat(2, 1fr); }
    .jkr-grid { min-width: 0; grid-template-columns: 46px repeat(5, minmax(0, 1fr)); }
    .jkr-cell { min-height: 56px; } .jkr-cell .h { font-size: 21px; }
}

/* dark button contrast fix */
:root[data-theme="dark"] .jkr-btn--main { color: #1a100e; }