/*!
 * 飞行棋在线玩 · ludo
 * 独立设计系统「四色飞行棋布」：奶油底 + 红黄蓝绿四原色 + 深棕描边
 * 字体层级：圆润粗黑标题 + 等宽骰点数字；跑道为四条独立色带
 */
.lud-page, .lud-modal, .lud-toast {
    --lud-bg: #fbf6e9;
    --lud-card: #fffdf6;
    --lud-card2: #f4edda;
    --lud-line: #e2d6b8;
    --lud-ink: #3a3021;
    --lud-ink2: #857a63;
    --lud-red: #df4a3c;
    --lud-yellow: #eeb427;
    --lud-blue: #2e78bd;
    --lud-green: #35a46a;
    --lud-brown: #6b5333;
    --lud-num: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"] .lud-page, :root[data-theme="dark"] .lud-modal, :root[data-theme="dark"] .lud-toast {
    --lud-bg: #17150f;
    --lud-card: #211f17;
    --lud-card2: #2a271c;
    --lud-line: #403a29;
    --lud-ink: #f3ecd8;
    --lud-ink2: #b0a68c;
    --lud-red: #ff8272;
    --lud-yellow: #ffd469;
    --lud-blue: #71aef0;
    --lud-green: #68d39b;
    --lud-brown: #c1a878;
}
.lud-page { background: var(--lud-bg); color: var(--lud-ink); font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-size: 15px; line-height: 1.75; }
.lud-page *, .lud-page *::before, .lud-page *::after { box-sizing: border-box; }
.lud-wrap { max-width: 1160px; margin: 0 auto; padding: 20px 16px 12px; }
.lud-page .detail-breadcrumb { margin: 0 0 16px; font-size: 13px; color: var(--lud-ink2); }
.lud-page .detail-breadcrumb a { color: var(--lud-brown); text-decoration: none; }
.lud-page .detail-breadcrumb .sep { margin: 0 8px; opacity: .6; }

/* ---------- Hero ---------- */
.lud-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 20px; align-items: center; padding: 26px 30px; border: 2px solid var(--lud-line); border-radius: 20px; background: repeating-linear-gradient(45deg, transparent 0 16px, rgba(107, 83, 51, .035) 16px 17px), var(--lud-card); }
.lud-kicker { font: 800 11px var(--lud-num); letter-spacing: .18em; color: var(--lud-red); }
.lud-hero h1 { margin: 10px 0 6px; font-size: clamp(29px, 3.5vw, 42px); font-weight: 900; line-height: 1.18; }
.lud-sub { margin: 0 0 18px; color: var(--lud-ink2); font-size: 15px; }
.lud-sub b { color: var(--lud-red); }
.lud-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.lud-cta { cursor: pointer; border: 0; border-radius: 999px; padding: 11px 26px; font-size: 15px; font-weight: 900; color: #fff; background: linear-gradient(135deg, #f0644f, #cf3427); box-shadow: 0 8px 18px -10px rgba(207, 52, 39, .9); }
.lud-cta:hover { filter: brightness(1.08); }
.lud-cta-sm { padding: 9px 18px; font-size: 13px; width: 100%; }
.lud-cta:disabled { opacity: .45; cursor: not-allowed; }
.lud-ghost, .lud-mini { cursor: pointer; border: 2px solid var(--lud-line); border-radius: 999px; background: var(--lud-card); color: var(--lud-ink); font-size: 13px; font-weight: 800; padding: 10px 18px; }
.lud-mini { border-radius: 10px; padding: 8px 12px; font-size: 12px; }
.lud-mini:disabled { opacity: .45; cursor: not-allowed; }
.lud-mini-solid { background: var(--lud-brown); color: #fff; border-color: var(--lud-brown); }
.lud-ghost:hover, .lud-mini:hover:not(:disabled) { border-color: var(--lud-red); }
.lud-hero-note { margin: 14px 0 0; font-size: 12px; color: var(--lud-ink2); }
.lud-hero-cross { position: relative; justify-self: center; width: 190px; height: 190px; }
.lud-hc { position: absolute; width: 78px; height: 78px; border: 3px solid var(--lud-card); border-radius: 14px; box-shadow: 0 6px 14px -8px rgba(0,0,0,.6); }
.lud-hc-r { left: 0; top: 0; background: var(--lud-red); }
.lud-hc-y { right: 0; top: 0; background: var(--lud-yellow); }
.lud-hc-b { left: 0; bottom: 0; background: var(--lud-blue); }
.lud-hc-g { right: 0; bottom: 0; background: var(--lud-green); }
.lud-hc-mid { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 58px; height: 58px; display: grid; place-items: center; border: 3px solid var(--lud-card); border-radius: 50%; background: var(--lud-card2); font: 900 26px var(--lud-num); color: var(--lud-red); }

/* ---------- 面板 ---------- */
.lud-panel { margin-top: 18px; border: 2px solid var(--lud-line); border-radius: 20px; background: var(--lud-card); overflow: hidden; }
.lud-topbar { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 2px solid var(--lud-line); background: var(--lud-card2); }
.lud-metric { padding: 11px 15px; border-right: 1px dashed var(--lud-line); }
.lud-metric:last-child { border-right: 0; }
.lud-metric span { display: block; font-size: 11px; color: var(--lud-ink2); }
.lud-metric b { font: 900 19px var(--lud-num); color: var(--lud-brown); }
.lud-main { display: grid; grid-template-columns: minmax(0, 1fr) 300px; }
.lud-board-area { min-width: 0; padding: 18px; }
.lud-board-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 12px; font-size: 13px; color: var(--lud-ink2); }
.lud-board-head b { color: var(--lud-ink); }
.lud-lanes { display: grid; gap: 10px; }
.lud-lane { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 8px; align-items: center; }
.lud-lane-name { font-size: 12px; font-weight: 900; text-align: right; color: var(--lud-ink2); }
.lud-lane-track { display: grid; grid-template-columns: repeat(14, minmax(0, 1fr)); gap: 3px; }
.lud-cell { position: relative; aspect-ratio: 1; min-width: 0; border: 1px solid var(--lud-line); border-radius: 6px; background: var(--lud-card2); font: 9px var(--lud-num); color: var(--lud-ink2); display: grid; place-items: center; cursor: default; }
.lud-cell.is-start { background: rgba(238, 180, 39, .28); border-color: var(--lud-yellow); }
.lud-cell.is-home { background: rgba(53, 164, 106, .22); border-color: var(--lud-green); }
.lud-cell.is-movable { outline: 2px solid var(--lud-red); cursor: pointer; }
.lud-plane { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 15px solid var(--pc, var(--lud-red)); filter: drop-shadow(0 2px 2px rgba(0,0,0,.35)); }
.lud-stack { position: absolute; right: 1px; top: -4px; min-width: 14px; height: 14px; border-radius: 999px; background: var(--lud-brown); color: #fff; font: 700 9px/14px var(--lud-num); text-align: center; }
.lud-hangar { display: flex; gap: 2px; justify-content: flex-end; margin-top: 3px; font-size: 10px; color: var(--lud-ink2); }
.lud-hangar i { width: 10px; height: 10px; border-radius: 2px; background: var(--pc, var(--lud-red)); display: inline-block; }
.lud-dice-zone { display: flex; align-items: center; gap: 18px; margin-top: 18px; padding: 14px; border: 2px dashed var(--lud-line); border-radius: 14px; background: var(--lud-card2); }
.lud-die { position: relative; width: 74px; height: 74px; flex: 0 0 auto; border-radius: 14px; background: #fff; border: 2px solid var(--lud-brown); box-shadow: 0 5px 0 rgba(107, 83, 51, .3); display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); padding: 8px; }
:root[data-theme="dark"] .lud-die { background: #efe7d3; }
.lud-die i { width: 12px; height: 12px; border-radius: 50%; background: var(--lud-brown); place-self: center; opacity: 0; }
.lud-die i.on { opacity: 1; }
.lud-dice-copy b { display: block; font-size: 15px; }
.lud-dice-copy span { font-size: 12px; color: var(--lud-ink2); }

/* ---------- 侧栏 ---------- */
.lud-side { min-width: 0; padding: 18px; border-left: 2px solid var(--lud-line); background: var(--lud-card2); }
.lud-side-title { margin: 0 0 10px; font-size: 14px; font-weight: 900; color: var(--lud-brown); border-bottom: 2px solid var(--lud-line); padding-bottom: 5px; }
.lud-side-title:not(:first-child) { margin-top: 20px; }
.lud-l { display: block; margin: 9px 0 4px; font-size: 12px; color: var(--lud-ink2); }
.lud-input { width: 100%; min-width: 0; border: 2px solid var(--lud-line); border-radius: 10px; padding: 8px 9px; background: var(--lud-card); color: var(--lud-ink); font: 13px/1.6 inherit; }
.lud-input:focus { outline: 2px solid var(--lud-red); outline-offset: 1px; }
.lud-ta { resize: vertical; font-family: var(--lud-num); font-size: 12px; }
.lud-validate, .lud-check { min-height: 20px; margin: 6px 0 0; font-size: 12px; color: var(--lud-red); white-space: pre-wrap; }
.lud-row { display: flex; gap: 7px; margin-top: 9px; flex-wrap: wrap; }
.lud-log { margin: 0; padding-left: 18px; max-height: 150px; overflow: auto; font: 12px/1.85 var(--lud-num); color: var(--lud-ink2); }

/* ---------- 实验室 ---------- */
.lud-lab { margin-top: 18px; padding: 22px; border: 2px solid var(--lud-line); border-radius: 20px; background: var(--lud-card); }
.lud-lab-head h2 { margin: 0 0 4px; font-size: 19px; }
.lud-lab-head p { margin: 0 0 16px; font-size: 13px; color: var(--lud-ink2); }
.lud-lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lud-lab-box { min-width: 0; padding: 16px; border: 2px dashed var(--lud-line); border-radius: 14px; background: var(--lud-card2); }
.lud-lab-box label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 800; }
.lud-inline { display: flex; gap: 7px; }
.lud-inline .lud-input { flex: 1; }
.lud-batch { margin-top: 10px; font: 12px/1.9 var(--lud-num); white-space: pre-wrap; color: var(--lud-brown); }
.lud-lab-note { margin: 10px 0 0; font-size: 12px; color: var(--lud-ink2); }
.lud-lab-note code { font-family: var(--lud-num); }

/* ---------- 弹窗 / toast ---------- */
.lud-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(40, 32, 18, .6); }
.lud-modal[hidden] { display: none !important; }
.lud-modal-box { position: relative; width: min(420px, 100%); padding: 28px; border: 3px solid var(--lud-yellow); border-radius: 22px; background: var(--lud-card); text-align: center; }
.lud-modal-x { position: absolute; right: 13px; top: 7px; border: 0; background: transparent; font-size: 25px; color: var(--lud-ink2); cursor: pointer; }
.lud-modal-badge { font: 900 11px var(--lud-num); letter-spacing: .18em; color: var(--lud-red); }
.lud-modal-box h2 { margin: 10px 0 6px; font-size: 24px; }
.lud-modal-box p { margin: 0 0 14px; color: var(--lud-ink2); font-size: 13px; }
.lud-modal-list { margin-bottom: 18px; font: 12px/2 var(--lud-num); text-align: left; }
.lud-modal-list div { display: flex; justify-content: space-between; border-bottom: 1px dotted var(--lud-line); }
.lud-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 9500; padding: 10px 18px; border-radius: 999px; background: var(--lud-ink); color: var(--lud-card); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .25s; }
.lud-toast.on { opacity: 1; }

@media (max-width: 940px) {
    .lud-hero { grid-template-columns: 1fr; }
    .lud-hero-cross { display: none; }
    .lud-main { grid-template-columns: 1fr; }
    .lud-side { border-left: 0; border-top: 2px solid var(--lud-line); }
    .lud-lab-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .lud-topbar { grid-template-columns: repeat(2, 1fr); }
    .lud-metric:nth-child(2) { border-right: 0; }
    .lud-lane { grid-template-columns: 48px minmax(0, 1fr); gap: 4px; }
    .lud-lane-name { font-size: 10px; }
    .lud-lane-track { gap: 1px; }
    .lud-cell { border-radius: 3px; font-size: 7px; }
    .lud-plane { border-left-width: 5px; border-right-width: 5px; border-bottom-width: 10px; }
    .lud-hero h1 { font-size: 29px; }
}