/*!
 * 数织逻辑绘图 · nonogram
 * 独立设计系统「方格绘图纸」：靛蓝 + 米黄格纸 + 朱红 + 石墨
 * 字体层级：无衬线标题 + 等宽线索数字；网格用真实方格纸纹理
 */
.nng-page, .nng-modal, .nng-toast {
    --nng-bg: #f6f3e9;
    --nng-card: #fffef8;
    --nng-card2: #eeece0;
    --nng-line: #d6d0bc;
    --nng-ink: #26323f;
    --nng-ink2: #6e7a84;
    --nng-blue: #2b4a8b;
    --nng-blue-soft: rgba(43, 74, 139, .1);
    --nng-red: #c8433a;
    --nng-red-soft: rgba(200, 67, 58, .12);
    --nng-num: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"] .nng-page, :root[data-theme="dark"] .nng-modal, :root[data-theme="dark"] .nng-toast {
    --nng-bg: #121820;
    --nng-card: #1b242e;
    --nng-card2: #222d38;
    --nng-line: #36434f;
    --nng-ink: #ebf0f5;
    --nng-ink2: #9fb0bd;
    --nng-blue: #8ab0ff;
    --nng-blue-soft: rgba(138, 176, 255, .14);
    --nng-red: #f08a7e;
    --nng-red-soft: rgba(240, 138, 126, .16);
}
.nng-page { background: var(--nng-bg); color: var(--nng-ink); font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-size: 15px; line-height: 1.75; }
.nng-page *, .nng-page *::before, .nng-page *::after { box-sizing: border-box; }
.nng-wrap { max-width: 1120px; margin: 0 auto; padding: 20px 16px 12px; }
.nng-page .detail-breadcrumb { margin: 0 0 16px; font-size: 13px; color: var(--nng-ink2); }
.nng-page .detail-breadcrumb a { color: var(--nng-blue); text-decoration: none; }
.nng-page .detail-breadcrumb .sep { margin: 0 8px; opacity: .6; }

/* ---------- Hero ---------- */
.nng-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 24px; align-items: center; padding: 26px 30px; border: 1px solid var(--nng-line); border-left: 6px solid var(--nng-blue); border-radius: 4px; background: linear-gradient(180deg, var(--nng-card), var(--nng-card2)); }
.nng-kicker { font: 700 11px var(--nng-num); letter-spacing: .22em; color: var(--nng-red); }
.nng-hero h1 { margin: 10px 0 6px; font-size: clamp(29px, 3.5vw, 42px); line-height: 1.2; letter-spacing: .03em; }
.nng-sub { margin: 0 0 18px; color: var(--nng-ink2); font-size: 15px; }
.nng-sub b { color: var(--nng-blue); }
.nng-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.nng-cta { cursor: pointer; border: 0; border-radius: 4px; padding: 11px 24px; font-size: 15px; font-weight: 800; color: #fff; background: var(--nng-blue); box-shadow: 0 8px 18px -10px rgba(43, 74, 139, .9); }
.nng-cta:hover { filter: brightness(1.12); }
.nng-ghost, .nng-mini { cursor: pointer; border: 1px solid var(--nng-line); border-radius: 4px; background: var(--nng-card); color: var(--nng-ink); font-size: 13px; font-weight: 700; padding: 10px 16px; }
.nng-mini { padding: 8px 11px; font-size: 12px; }
.nng-mini:disabled { opacity: .45; cursor: not-allowed; }
.nng-ghost:hover, .nng-mini:hover:not(:disabled) { border-color: var(--nng-blue); color: var(--nng-blue); }
.nng-hero-note { margin: 14px 0 0; font-size: 12px; color: var(--nng-ink2); }
.nng-preview { justify-self: center; display: grid; grid-template-columns: repeat(5, 22px); grid-auto-rows: 22px; gap: 2px; padding: 12px; border: 1px solid var(--nng-line); background: #fffdf5; box-shadow: 3px 3px 0 var(--nng-blue-soft); }
:root[data-theme="dark"] .nng-preview { background: #202a34; }
.nng-preview i { border: 1px solid var(--nng-line); background: transparent; }
.nng-preview i.on { background: var(--nng-blue); border-color: var(--nng-blue); }

/* ---------- 面板 ---------- */
.nng-panel { margin-top: 18px; border: 1px solid var(--nng-line); border-radius: 4px; background: var(--nng-card); overflow: hidden; }
.nng-topbar { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--nng-line); background: var(--nng-blue-soft); }
.nng-metric { padding: 10px 15px; border-right: 1px solid var(--nng-line); }
.nng-metric:last-child { border-right: 0; }
.nng-metric span { display: block; font-size: 11px; color: var(--nng-ink2); }
.nng-metric b { font: 800 19px var(--nng-num); color: var(--nng-blue); }
.nng-main { display: grid; grid-template-columns: minmax(0, 1fr) 296px; }
.nng-puzzle { min-width: 0; padding: 18px; }
.nng-puzzle-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 12px; font-size: 13px; color: var(--nng-ink2); }
.nng-puzzle-head b { color: var(--nng-ink); }
.nng-grid-scroll { overflow: auto; max-width: 100%; }
.nng-grid { display: inline-grid; gap: 1px; padding: 3px; background: var(--nng-line); border: 2px solid var(--nng-ink); }
.nng-corner { background: var(--nng-card2); }
.nng-clue-c { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 1px; padding: 3px 2px; min-width: 32px; min-height: 58px; background: var(--nng-card2); font: 700 12px/1.25 var(--nng-num); color: var(--nng-ink); }
.nng-clue-r { display: flex; justify-content: flex-end; align-items: center; gap: 5px; padding: 2px 6px; min-height: 32px; min-width: 58px; background: var(--nng-card2); font: 700 12px var(--nng-num); color: var(--nng-ink); }
.nng-cell { width: 32px; height: 32px; border: 0; background: var(--nng-card); cursor: pointer; padding: 0; transition: background .12s; }
.nng-cell:hover { background: var(--nng-blue-soft); }
.nng-cell.is-fill { background: var(--nng-ink); }
.nng-cell.is-cross { background: var(--nng-card); position: relative; }
.nng-cell.is-cross::after { content: '×'; display: block; font: 700 20px/32px var(--nng-num); color: var(--nng-red); }
.nng-cell.is-thick-r { box-shadow: inset 0 -2px 0 var(--nng-blue); }
.nng-cell.is-thick-c { box-shadow: inset -2px 0 0 var(--nng-blue); }
.nng-cell.is-conflict { outline: 2px solid var(--nng-red); outline-offset: -2px; }
.nng-cell[data-size="10"] { width: 28px; height: 28px; }

/* ---------- 侧栏 ---------- */
.nng-side { min-width: 0; padding: 18px; border-left: 1px solid var(--nng-line); background: var(--nng-card2); }
.nng-side-title { margin: 0 0 10px; font-size: 14px; font-weight: 800; color: var(--nng-blue); border-bottom: 2px solid var(--nng-blue); padding-bottom: 5px; }
.nng-side-title:not(:first-child) { margin-top: 20px; }
.nng-size-row { display: flex; gap: 6px; }
.nng-size { flex: 1; cursor: pointer; padding: 8px 4px; border: 1px solid var(--nng-line); border-radius: 3px; background: var(--nng-card); color: var(--nng-ink); font: 700 12px var(--nng-num); }
.nng-size.is-on { background: var(--nng-blue); color: #fff; border-color: var(--nng-blue); }
.nng-block { width: 100%; margin-top: 8px; }
.nng-row { display: flex; gap: 7px; margin-top: 8px; flex-wrap: wrap; }
.nng-check { min-height: 22px; margin: 8px 0 0; font-size: 12px; color: var(--nng-red); white-space: pre-wrap; }
.nng-clue-table { max-height: 190px; overflow: auto; font: 11px/1.8 var(--nng-num); }
.nng-clue-table div { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dotted var(--nng-line); }
.nng-clue-table div.bad { color: var(--nng-red); font-weight: 700; }
.nng-dim { color: var(--nng-ink2); font-size: 12px; }

/* ---------- 实验室 ---------- */
.nng-lab { margin-top: 18px; padding: 22px; border: 1px solid var(--nng-line); border-radius: 4px; background: var(--nng-card); }
.nng-lab-head h2 { margin: 0 0 4px; font-size: 19px; }
.nng-lab-head p { margin: 0 0 16px; font-size: 13px; color: var(--nng-ink2); }
.nng-lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.nng-lab-box { min-width: 0; padding: 16px; border: 1px dashed var(--nng-line); background: var(--nng-card2); }
.nng-lab-box label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 700; }
.nng-ta { width: 100%; min-width: 0; border: 1px solid var(--nng-line); border-radius: 3px; padding: 8px; background: var(--nng-card); color: var(--nng-ink); font: 12px/1.5 var(--nng-num); resize: vertical; }
.nng-ta:focus { outline: 2px solid var(--nng-blue); outline-offset: 1px; }
.nng-lab-note { margin: 12px 0 0; font-size: 12px; color: var(--nng-ink2); }
.nng-lab-note code { font-family: var(--nng-num); background: var(--nng-blue-soft); padding: 1px 4px; }

/* ---------- 弹窗 / toast ---------- */
.nng-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(20, 30, 42, .58); }
.nng-modal[hidden] { display: none !important; }
.nng-modal-box { position: relative; width: min(400px, 100%); padding: 28px; border: 3px solid var(--nng-ink); border-radius: 4px; background: var(--nng-card); text-align: center; }
.nng-modal-x { position: absolute; right: 12px; top: 7px; border: 0; background: transparent; font-size: 25px; color: var(--nng-ink2); cursor: pointer; }
.nng-modal-badge { font: 700 11px var(--nng-num); letter-spacing: .18em; color: var(--nng-blue); }
.nng-modal-box h2 { margin: 10px 0 6px; font-size: 24px; }
.nng-modal-box p { margin: 0 0 14px; color: var(--nng-ink2); font-size: 13px; }
.nng-modal-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 18px; font: 12px var(--nng-num); }
.nng-modal-stats div { padding: 9px 2px; border: 1px solid var(--nng-line); }
.nng-modal-stats b { display: block; font-size: 18px; color: var(--nng-red); }
.nng-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 9500; padding: 10px 18px; border-radius: 3px; background: var(--nng-ink); color: var(--nng-card); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .25s; }
.nng-toast.on { opacity: 1; }

@media (max-width: 940px) {
    .nng-hero { grid-template-columns: 1fr; }
    .nng-preview { display: none; }
    .nng-main { grid-template-columns: 1fr; }
    .nng-side { border-left: 0; border-top: 1px solid var(--nng-line); }
    .nng-lab-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .nng-topbar { grid-template-columns: repeat(2, 1fr); }
    .nng-metric:nth-child(2) { border-right: 0; }
    .nng-cell { width: 26px; height: 26px; }
    .nng-cell.is-cross::after { line-height: 26px; }
    .nng-cell[data-size="10"] { width: 23px; height: 23px; }
    .nng-clue-c { min-width: 26px; min-height: 46px; font-size: 10px; }
    .nng-clue-r { min-width: 46px; font-size: 10px; }
    .nng-hero h1 { font-size: 29px; }
}