:root{color-scheme:light;--ink:#244b5a;--muted:#6d7f81;--paper:#f3eee3;--line:rgba(36,75,90,.2);--accent:#a9583c}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--paper) url('../public/reference/water-ink/T_Paper.webp') repeat;background-size:320px 320px}
body{font-family:"Noto Serif SC","Microsoft YaHei",serif;color:var(--ink);overflow:hidden}
button{font:inherit;cursor:pointer;touch-action:manipulation}
button:disabled{cursor:not-allowed;opacity:.45}
button:focus-visible,summary:focus-visible{outline:3px solid #bf8d4b;outline-offset:3px}
[hidden]{display:none!important}
p,h1,h2{margin-top:0}
h1{font-size:38px;letter-spacing:.18em;font-weight:500;margin:0}
h2{font-size:27px;font-weight:500;line-height:1.5;margin-bottom:12px}
.topbar{height:110px;display:flex;justify-content:space-between;align-items:center;padding:22px 32px}
.eyebrow,.card-kicker{font-size:11px;letter-spacing:.15em;color:var(--muted);margin-bottom:7px}
.topbar-status{display:flex;gap:18px;align-items:center;font-size:12px}
.ghost-button,.secondary-button{border:1px solid var(--line);background:#f8f4e9;color:var(--ink);padding:9px 12px}
.primary-button{border:1px solid var(--ink);background:var(--ink);color:#fffaf0;padding:10px 16px}
.map-frame{position:absolute;top:110px;left:24px;right:388px;bottom:72px;overflow:hidden;border:1px solid var(--line);background:#d5e1dc}
#viewport,#map-labels{position:absolute;inset:0}
#viewport canvas{display:block;touch-action:none;cursor:grab}
#viewport canvas:active{cursor:grabbing}
#map-labels{pointer-events:none;z-index:2}
.map-label{position:absolute;pointer-events:auto;transform:translate(-50%,-100%);border:0;color:#fffaf0;background:#a94b3e;padding:7px 5px;font-size:13px;line-height:1.1;letter-spacing:.08em;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;box-shadow:2px 3px 0 #613c3438}
.map-label[data-status=open]{background:#b25741}
.map-label[data-status=done]{background:#8f6a37}
.map-label[aria-pressed=true]{box-shadow:3px 4px 0 #613c3450;transform:translate(-50%,-100%) scale(1.06)}
.local-water-label{pointer-events:none;background:#536d69b8;color:#fffaf0;opacity:.86;font-size:11px;letter-spacing:.12em}
.map-tools{position:absolute;z-index:3;top:14px;left:14px;display:flex;gap:6px;font-size:12px}
.compass{position:absolute;top:16px;right:16px;text-align:center;pointer-events:none;font-size:10px;line-height:1.6;color:#496f72}
.map-legend{position:absolute;bottom:12px;left:12px;right:12px;z-index:3;display:flex;gap:12px;flex-wrap:wrap;font-size:10px;padding:9px;background:#f8f4e9d9;pointer-events:none}
.legend-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:4px}
.legend-dot.locked{background:#87928a}
.legend-line,.transfer-line{display:inline-block;width:16px;border-top:2px solid #608e95;vertical-align:middle;margin-right:4px}
.transfer-line{border-top:2px dashed #b08c5d}
.city-card{position:absolute;right:24px;top:110px;bottom:72px;width:340px;overflow:auto;padding:24px;background:#faf7ef;border-top:3px solid #b58b49}
.city-card h2{font-size:30px;margin:0 0 8px}
.city-card p{font-size:13px;line-height:1.9}
.city-meta{display:grid;gap:8px;font-size:12px;line-height:1.7;margin:16px 0}
.city-meta span{color:#6a7775}
.city-actions{display:flex;gap:8px;flex-wrap:wrap;font-size:12px}
.chain-line{border-top:1px dashed var(--line);padding-top:16px;margin-top:18px;font-size:12px!important}
.chain-line span{color:var(--muted);font-size:10px}
.memory-chart{margin:20px 0 12px;padding-top:14px;border-top:1px solid var(--line)}
#chapters{display:flex;gap:5px;flex-wrap:wrap}
.chapter{border:0;background:#ebe9df;padding:7px 6px;color:#7b847d;font-size:11px}
.chapter[data-status=open]{background:#f0ded1;color:#994b31}
.chapter[data-status=done]{background:#eee0bd;color:#855e26}
#collected{margin:12px 0 4px;font-size:12px}
#token-list{font-size:11px;color:var(--muted);margin:0}
#ending{padding:12px;border-left:2px solid #b58b49;background:#f0e8d3}
#complete-city{margin-top:16px;font-size:12px}
.dev-hint,.stage-note{font-size:11px!important;color:#84715b}
#save-warning{color:#9d4528}
.footer-hint{position:absolute;bottom:14px;left:26px;right:26px;display:flex;justify-content:space-between;gap:18px;font-size:11px;color:var(--muted)}
details{z-index:5;max-width:450px}
summary{cursor:pointer;text-align:right}
details[open]{position:absolute;right:0;bottom:0;background:#faf7ef;padding:16px;border:1px solid var(--line);line-height:1.8}
details p{margin:8px 0 0}
dialog{color:var(--ink);border:1px solid #b8aa8d;background:#faf6eb;padding:30px;max-width:calc(100vw - 36px);max-height:calc(100dvh - 40px);overflow:auto;box-shadow:0 24px 70px #352b3140}
dialog::backdrop{background:#35423a60;backdrop-filter:blur(3px)}
dialog p{font-size:14px;line-height:1.9}
.intro-panel{width:500px}
blockquote{margin:14px 0 20px;padding:12px 16px;border-left:3px solid #b88148;color:#795e42;background:#b8814812;line-height:1.9;font-size:14px}
.wooden-box{position:relative;width:154px;height:73px;border:3px solid #684c37;margin:8px auto 28px;background:repeating-linear-gradient(4deg,#8c684b 0 3px,#926f50 3px 9px);box-shadow:0 6px 0 #654c36;color:#e8ce96;text-align:center;padding-top:21px;font-size:16px;letter-spacing:.13em}
.box-lid{position:absolute;top:-7px;left:-7px;right:-7px;height:22px;background:#654b36;border:2px solid #b29662;transform-origin:top;transition:transform .5s}
.opened .box-lid{transform:translateY(-16px) rotateX(60deg)}
.scene-panel{width:500px}
.scene-panel .primary-button{margin-top:18px}
.npc{color:#a27339;font-size:12px}
.close-button{position:absolute;top:8px;right:12px;border:0;background:transparent;font-size:28px;color:var(--ink)}
.voyage-panel{position:absolute;z-index:4;left:50%;bottom:56px;transform:translateX(-50%);width:min(320px,85%);padding:12px 16px;background:#244b5a;color:#fffaf0;font-size:12px}
.voyage-panel p{margin:0 0 8px}
progress{width:100%;height:7px;accent-color:#cda164}
#load-error{position:fixed;z-index:99;top:20%;left:10%;right:10%;padding:24px;background:white;border:1px solid #a9583c;overflow-wrap:anywhere}
@media(max-width:900px){
 .topbar{height:100px;padding:16px 20px}
 h1{font-size:28px}
 .topbar-status{gap:8px;font-size:10px;flex-direction:column;align-items:flex-end}
 .topbar-status .ghost-button{font-size:10px;padding:5px 8px}
 .map-frame{top:100px;left:14px;right:14px;bottom:340px}
 .city-card{left:14px;right:14px;top:auto;bottom:44px;height:282px;width:auto;padding:16px 20px}
 .city-card h2{font-size:25px}
 .city-card p{font-size:12px;margin-bottom:8px}
 .city-meta{margin:10px 0}
 .footer-hint{bottom:12px;left:16px;right:16px;font-size:9px}
 .footer-hint>span{max-width:52%}
 .map-tools{top:8px;left:8px;font-size:10px}
 .map-legend{gap:7px;bottom:7px;left:7px;right:7px;font-size:9px;padding:6px}
 .map-label{font-size:12px;padding:4px 8px}
}
@media(max-height:650px) and (max-width:900px){.map-frame{bottom:270px}.city-card{height:215px}}
@media(prefers-reduced-motion:reduce){.box-lid{transition:none}}

/* Map-first exploration: information floats over the city rather than shrinking it. */
.map-frame{inset:0;border:0;background:#e5e5d9}
.topbar{z-index:3;pointer-events:none;background:linear-gradient(#f1eddfdb,transparent)}
.topbar button{pointer-events:auto}
.map-tools{top:100px;left:24px;max-width:calc(100vw - 48px);flex-wrap:wrap}
.city-card{z-index:4;top:auto;bottom:55px;right:22px;width:280px;height:225px;background:#faf7efe8;box-shadow:0 4px 24px #343a3210}
.map-legend{display:none}
.compass{top:112px}
@media(max-width:900px){.map-frame{inset:0}.city-card{left:auto;right:14px;bottom:42px;width:230px;height:180px;padding:12px}.map-tools{top:95px;left:14px}.city-card h2{font-size:22px}}

.topbar{position:absolute;top:0;left:0;right:0;padding:20px 28px}.topbar h1{font-size:32px}

/* Keep the diagonal water corridor unobstructed until the player opens the journal. */
.city-card{height:auto;max-height:calc(100dvh - 190px);width:280px;padding:14px 16px;background:#f8f4eae8;border-top:2px solid #a57a47}
.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.card-header h2{font-size:24px;margin:0;line-height:1.2}
.card-header .card-kicker{font-size:10px;line-height:1.3;margin:0 0 4px}
#toggle-city-card{font-size:11px;padding:6px 8px;white-space:nowrap}
.city-card.is-collapsed{width:248px;overflow:visible}
.city-card .city-actions{flex-wrap:nowrap;gap:7px}
.city-card .city-actions button{font-size:11px;padding:8px 10px;white-space:nowrap}
#city-details{padding-top:14px}
#review-view-control{display:block;margin-top:10px}
@media(max-width:900px){.city-card{width:248px;max-height:calc(100dvh - 180px);padding:12px}.city-card.is-collapsed{width:224px}.card-header h2{font-size:21px}.city-card .city-actions button{padding:7px 8px;font-size:10px}}
@media(max-width:480px){.topbar{padding:14px 16px;height:90px}.topbar h1{font-size:26px}.map-tools{top:92px}.city-card{bottom:43px;right:12px}.city-card.is-collapsed{width:206px}.compass{top:142px}.footer-hint>span{display:none}.footer-hint{justify-content:flex-end}}

/* ======== 第一人称游览（街区漫步） ========
   全屏 HUD 叠在 canvas 之上：题签用宣纸卡、提示条用淡纸底、准星与暗角走水墨。
   漫游时地图本身的顶栏、城市卡、工具栏、地标题签全部让位给街道。 */
body.is-walking .topbar,body.is-walking .map-tools,body.is-walking .compass,
body.is-walking #map-labels,body.is-walking .footer-hint,body.is-walking .city-card,
body.is-walking .voyage-panel,body.is-walking .map-legend{display:none}
body.is-walking #viewport canvas{cursor:crosshair}
.walk-hud{position:absolute;inset:0;z-index:6;pointer-events:none;color:#244b5a;font-family:inherit}
.walk-hud[hidden]{display:none}
.walk-vignette{position:absolute;inset:0;background:radial-gradient(118% 90% at 50% 46%,transparent 36%,#2a2a1f5c 100%);pointer-events:none}
/* 把人眼画面压回宣纸的质地：一层极淡的纸纹乘上去，天空与地面不再是纯平涂。 */
.walk-grain{position:absolute;inset:0;pointer-events:none;opacity:.07;mix-blend-mode:multiply;background:url('../public/reference/water-ink/T_Paper.webp') repeat;background-size:320px 320px}
.walk-cross{position:absolute;left:50%;top:50%;width:15px;height:15px;margin:-8px 0 0 -8px;border-radius:50%;border:1px solid #fffaf0cc;box-shadow:0 0 0 1px #2a2c1f55}
.walk-cross::after{content:'';position:absolute;left:50%;top:50%;width:3px;height:3px;margin:-1.5px;border-radius:50%;background:#fffaf0dd;box-shadow:0 0 0 1px #2a2c1f55}
.walk-region{position:absolute;left:50%;top:64px;transform:translateX(-50%) translateY(-6px);text-align:center;padding:12px 26px 11px;background:#f7f2e5e6;border-top:2px solid #b58b49;box-shadow:0 8px 26px #2f2b2222;opacity:0;transition:opacity .45s,transform .45s}
.walk-region.is-on{opacity:1;transform:translateX(-50%) translateY(0)}
.walk-region b{display:block;font-size:19px;font-weight:500;letter-spacing:.3em;color:#22424c}
.walk-region span{display:block;margin-top:5px;font-size:12px;letter-spacing:.06em;color:#6a7775}
.walk-hints{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);white-space:nowrap;font-size:11.5px;letter-spacing:.05em;color:#2c3f43;background:#f7f2e5d9;padding:8px 15px;border:1px solid #a58c6340;box-shadow:0 6px 18px #2f2b221a;transition:opacity .8s}
.walk-hud.is-quiet .walk-hints{opacity:0}
.walk-hints kbd{font:inherit;font-size:.92em;padding:1px 5px;border:1px solid #244b5a40;border-radius:2px;background:#fffdf6;margin:0 1px}
.walk-toast{position:absolute;left:50%;bottom:84px;transform:translateX(-50%);font-size:12px;padding:8px 14px;background:#244b5ae8;color:#f7f2e5;letter-spacing:.04em}
.walk-toast[hidden]{display:none}
.walk-exit{position:absolute;right:22px;top:22px;pointer-events:auto;font:inherit;font-size:12px;padding:9px 14px;color:#22424c;background:#f7f2e5e6;border:1px solid #a58c6366;box-shadow:0 6px 18px #2f2b2222;cursor:pointer}
.walk-hud.is-locked .walk-exit{display:none}
.walk-pause{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#1c231d8c;pointer-events:auto}
.walk-pause[hidden]{display:none}
.walk-pause-card{text-align:center;background:#f7f2e5f2;border-top:3px solid #b58b49;padding:24px 30px 20px;box-shadow:0 20px 46px #1d211b47;max-width:min(420px,82vw)}
.walk-pause-title{margin:0;font-size:17px;letter-spacing:.32em;color:#22424c}
.walk-pause-sub{margin:8px 0 16px;font-size:12px;letter-spacing:.06em;color:#6a7775}
.walk-pause-actions{display:flex;gap:10px;justify-content:center}
.walk-pause-actions button{font:inherit;font-size:13px;padding:10px 18px;color:#22424c;background:#fbf8ee;border:1px solid #a58c63;cursor:pointer}
.walk-pause-actions button[data-walk=resume]{background:#244b5a;color:#f7f2e5;border-color:#244b5a}
.walk-pause-card span{display:block;margin-top:14px;font-size:11px;color:#84715b}
.walk-fade{position:absolute;inset:0;background:#14150f;opacity:0;pointer-events:none}
.walk-fade.is-in{animation:walk-fade .55s ease-out both}
@keyframes walk-fade{from{opacity:1}to{opacity:0}}
.walk-pad{display:none}
@media(pointer:coarse){
 .walk-pad{display:grid;position:absolute;left:16px;bottom:16px;grid-template-columns:repeat(3,46px);grid-template-rows:repeat(2,46px);gap:6px;pointer-events:auto}
 .walk-pad button{font-size:16px;color:#22424c;background:#f7f2e5d9;border:1px solid #a58c6366;border-radius:2px}
 .walk-pad button:active{background:#244b5a;color:#f7f2e5}
 .walk-pad .walk-pad-jump{font-size:13px;letter-spacing:.08em;color:#7a4426;border-color:#b58b4988;background:#f7eedee6}
 .walk-hints{font-size:10.5px;bottom:16px;padding:7px 10px;white-space:normal;max-width:60vw;text-align:center}
}
@media(max-width:900px){.walk-region{top:52px;padding:9px 18px}.walk-region b{font-size:16px}.walk-region span{font-size:11px}.walk-exit{right:14px;top:14px}}
@media(prefers-reduced-motion:reduce){.walk-region{transition:none}.walk-fade.is-in{animation:none}}

/* 主线模式：工具条收成「当前目标 / 旅途记录 / 暂停」等少数入口。
   场景与小游戏的直达按钮只留给自由探索和调试模式，正式流程必须经过船与码头。 */
.map-tools[hidden]{display:none}
.story-tools{gap:8px}
.story-tools .primary-button,.story-tools .secondary-button{font-size:12px;padding:8px 13px}
.story-tools .ghost-button{font-size:11px;padding:7px 11px}
#pause-dialog .city-actions{flex-wrap:wrap;gap:8px;margin-top:14px}
#pause-dialog #pause-help-body{margin-top:12px}
#pause-dialog #pause-help-body p{margin:6px 0}
@media(max-width:900px){.story-tools{top:86px;left:10px;flex-wrap:wrap;max-width:calc(100vw - 20px)}}