:root{color-scheme:light;--background:#F2F2F7;--surface:#fff;--ink:#1C1C1E;--muted:#646871;--accent:#366984;--line:#dadddf;--soft:#e6ecef;--reading-font:"Iowan Old Style","Noto Serif TC","PMingLiU",serif;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--background);font-synthesis:none;-webkit-font-smoothing:antialiased}
:root[data-palette=ocean]{--background:#EEF7FB;--surface:#FBFDFE;--ink:#173348;--muted:#5B7486;--accent:#157BA9;--line:#d4e3e9;--soft:#e0edf3}:root[data-palette=berry]{--background:#F6F0FB;--surface:#FFFDFF;--ink:#392C4D;--muted:#725F7D;--accent:#7A57A4;--line:#e5dbed;--soft:#eae1f2}:root[data-palette=forest]{--background:#EFF8F3;--surface:#FCFFFD;--ink:#1E4035;--muted:#587365;--accent:#2D8667;--line:#d5e5dc;--soft:#deede5}:root[data-theme=dark]{color-scheme:dark;--background:#1C1C1E;--surface:#2C2C2E;--ink:#F2F2F7;--muted:#b1b6be;--accent:#8DB7CC;--line:#45474c;--soft:#343f47}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none}body{font-size:15px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,input{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{border:0;background:none;color:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:default}a{color:var(--accent);text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:focus:not(:focus-visible){outline:none}button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}svg{pointer-events:none}h1,h2,h3,p{margin:0}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#game-main{position:relative;height:100svh;height:100dvh;width:100%;overflow:hidden;background:#506163;isolation:isolate}#scene-host{position:absolute;inset:0;touch-action:none;user-select:none;cursor:grab}#scene-host:active{cursor:grabbing}#scene-host canvas{display:block;width:100%;height:100%}.top-hud{position:absolute;z-index:2;top:0;left:0;right:0;display:flex;justify-content:space-between;gap:14px;padding:calc(env(safe-area-inset-top) + 22px) max(28px,env(safe-area-inset-right)) 45px max(28px,env(safe-area-inset-left));color:#fff;background:linear-gradient(#18272bd9,#18272b00);pointer-events:none}.location-label{min-width:0;text-shadow:0 1px 5px #152020}.tiny-label{font-size:10px;letter-spacing:.14em;line-height:1.5}.location-label h1{font-size:21px;font-weight:500;letter-spacing:.06em;margin:4px 0}.location-label>span:last-child{font-size:11px;color:#e0e9e6}.top-actions{display:flex;gap:5px;align-items:flex-start;pointer-events:auto}.hud-icon,.hud-chip{min-height:44px;min-width:44px;color:#f5f7f5;background:#18292ce8;border:1px solid #d0e2dc35;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 3px 15px #0001}.hud-icon:hover,.hud-chip:hover{background:#2d4348}.hud-chip{padding:0 14px;font-size:12px}.compass{position:absolute;top:calc(env(safe-area-inset-top) + 25px);left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:#e8eeeb;font-size:11px;letter-spacing:.15em;text-shadow:0 1px 4px #000;pointer-events:none}.compass-tick{height:10px;width:1px;background:#dfebe7}.crosshair{position:absolute;top:50%;left:50%;width:5px;height:5px;border-radius:50%;background:#fffd;box-shadow:0 0 0 2px #17282a50;pointer-events:none}.mission{position:absolute;top:calc(env(safe-area-inset-top) + 147px);left:max(28px,env(safe-area-inset-left));max-width:240px;padding:13px 16px;background:#17282bcb;color:#f1f4f1;border-left:2px solid #b9c9bb;border-radius:0 8px 8px 0;pointer-events:none}.mission p{font-size:12px;line-height:1.7;margin:5px 0 9px}.mission-pips{display:flex;gap:6px}.mission-pips i{width:22px;height:3px;background:#8a9d9d5c}.mission-pips i.done{background:#bfdcc8}.waypoint{position:absolute;left:50%;top:calc(env(safe-area-inset-top) + 87px);transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:#17282be6;color:#edf3ef;border-radius:10px;padding-left:12px;font-size:11px;max-width:70vw;white-space:normal}.waypoint button{min-width:44px;min-height:44px;font-size:23px}.bottom-hud{position:absolute;left:0;right:0;bottom:0;padding:30px max(28px,env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) max(28px,env(safe-area-inset-left));display:flex;align-items:flex-end;justify-content:space-between;gap:18px;background:linear-gradient(transparent,#172329a6);pointer-events:none}.view-actions{display:flex;gap:8px;pointer-events:auto;align-items:center}.desktop-help{display:flex;gap:18px;color:#eef1ef;font-size:12px;letter-spacing:.05em;text-shadow:0 1px 5px #000}.desktop-help small{display:block;color:#bbc9c6;font-size:10px;letter-spacing:0}.interact{position:absolute;left:50%;bottom:calc(108px + env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;align-items:center;gap:12px;max-width:calc(100% - 28px);min-height:48px;padding:9px 15px;background:#e9efea;color:#233638;border:1px solid #fff7;border-radius:12px;box-shadow:0 6px 28px #0003;font-size:13px}.key-hint{border:1px solid #839992;border-radius:4px;display:grid;place-items:center;width:24px;height:25px;font-size:11px}.discovery{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);width:min(420px,calc(100% - 36px));max-height:65dvh;overflow:auto;background:var(--surface);color:var(--ink);padding:25px;border-radius:18px;box-shadow:0 12px 70px #0005}.discovery h2{font-size:20px;font-weight:600;margin:8px 0 12px}.discovery>p{font-family:var(--reading-font);font-size:17px;line-height:1.9;white-space:pre-wrap}.discovery>div{display:flex;gap:8px;margin-top:18px}.discovery button{min-height:44px;border-radius:10px;padding:8px 14px;font-size:14px;color:var(--accent)}.discovery button:first-child{background:var(--accent);color:var(--surface)}.scene-loading,.scene-fallback{position:absolute;inset:0;z-index:8;background:var(--background);color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:28px}.scene-loading h2,.scene-fallback h2{font-weight:500;font-size:24px;letter-spacing:.06em}.scene-loading p,.scene-fallback p{font-size:13px;color:var(--muted)}.scene-fallback a{min-height:44px;padding:10px}.touch-only,.move-stick{display:none}
.sheet{border:0;border-radius:24px;background:var(--surface);color:var(--ink);padding:24px;width:min(500px,calc(100% - 32px));max-width:100%;max-height:calc(100dvh - 36px - env(safe-area-inset-top) - env(safe-area-inset-bottom));margin:auto;box-shadow:0 18px 100px #0005;overflow-y:auto;overscroll-behavior:contain}.sheet::backdrop{background:#14232594}.sheet-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.sheet-header h2{font-size:21px;font-weight:600}.eyebrow{font-size:10px;letter-spacing:.1em;color:var(--muted)}.icon-button{min-width:44px;height:44px;font-size:29px;line-height:1;border-radius:50%;color:var(--muted)}.primary-button{min-height:46px;border-radius:12px;padding:10px 20px;background:var(--accent);color:var(--surface);font-size:14px}.wide{width:100%}fieldset{margin:24px 0;padding:0;border:0}legend{font-size:12px;color:var(--muted);margin-bottom:9px}.appearance-options{display:flex;background:var(--background);padding:4px;border-radius:11px;gap:4px}.appearance-options label{flex:1;min-height:44px;display:grid;place-items:center;font-size:13px;cursor:pointer;position:relative}.appearance-options input,.palette-options input{position:absolute;opacity:0;width:1px;height:1px}.appearance-options label:has(:checked){background:var(--surface);border-radius:8px;box-shadow:0 1px 4px #0001}.appearance-options label:has(:focus-visible),.palette-options label:has(:focus-visible){outline:2px solid var(--accent)}.palette-options{display:flex;gap:6px}.palette-options label{position:relative;flex:1;display:flex;align-items:center;flex-direction:column;gap:6px;min-height:62px;justify-content:center;font-size:11px;border-radius:10px;cursor:pointer}.palette-options label:has(:checked){background:var(--background)}.palette-options label:has(:checked)::after{content:'✓';position:absolute;top:2px;right:6px;color:var(--accent)}.palette-options i{height:20px;width:20px;border-radius:50%;border:1px solid #0001}.neutral{background:#e2e5e9}.ocean{background:#b8dbe9}.berry{background:#dbc4e9}.forest{background:#bbdecb}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;border-top:1px solid var(--line)}.setting-row label{flex:1;font-size:14px;cursor:pointer}.setting-row small{display:block;color:var(--muted);font-size:11px;line-height:1.6}.setting-row input{appearance:none;position:relative;width:44px;height:44px;flex-shrink:0;cursor:pointer}.setting-row input::before{content:'';position:absolute;left:2px;top:11px;width:40px;height:24px;border-radius:20px;background:var(--line)}.setting-row input::after{content:'';position:absolute;left:5px;top:14px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0002}.setting-row input:checked::before{background:var(--accent)}.setting-row input:checked::after{left:21px}.setting-link{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;min-height:58px;font-size:14px;margin-top:12px}.settings-footnote{font-size:11px;color:var(--muted);line-height:1.8}.controls-guide{font-size:12px;margin:12px 0;color:var(--muted)}.controls-guide summary{min-height:44px;cursor:pointer;padding:12px 0;color:var(--ink)}.controls-guide p{margin-bottom:12px}.muted{color:var(--muted);font-size:12px;line-height:1.7}.map-sheet,.library-sheet{width:min(620px,calc(100% - 32px))}.map-visual{height:260px;position:relative;background:var(--background);border-radius:16px;margin-bottom:12px;overflow:hidden}.map-visual svg{position:absolute;width:100%;height:100%;inset:0}.map-zone{position:absolute;transform:translate(-50%,-50%);min-height:44px;min-width:66px;padding:4px;font-size:11px;border-radius:8px;background:var(--surface);color:var(--ink);box-shadow:0 2px 8px #0001;line-height:1.5}.map-zone small{display:block;font-size:9px;color:var(--muted)}.map-player{position:absolute;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--soft);pointer-events:none}.zone-list{margin-top:15px}.zone-row{padding:14px 0;border-top:1px solid var(--line);display:flex;gap:12px;align-items:center}.zone-row>div{flex:1;min-width:0}.zone-row h3{font-size:14px;font-weight:600}.zone-row p{font-size:11px;color:var(--muted);line-height:1.8}.zone-row button,.article-waypoint{min-width:44px;min-height:44px;padding:6px 10px;font-size:12px;color:var(--accent);background:var(--background);border-radius:10px}.library-theme{margin-top:22px}.library-theme h3{font-size:12px;color:var(--muted);font-weight:500;margin-bottom:8px}.article-row{display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:8px 0}.article-open{flex:1;min-width:0;min-height:55px;text-align:left;font-size:15px;line-height:1.5;padding:3px 0}.article-open small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.game-toast{position:fixed;z-index:30;top:calc(100px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 36px);background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px 17px;box-shadow:0 4px 25px #0002;font-size:13px;pointer-events:none}
@media(pointer:coarse),(max-width:767px){.top-hud{padding:calc(env(safe-area-inset-top) + 14px) 14px 35px;gap:8px}.location-label h1{font-size:17px;margin:3px 0}.location-label .tiny-label{font-size:8px;letter-spacing:.08em}.location-label>span:last-child{font-size:10px;display:block;max-width:160px}.top-actions{gap:3px}.top-actions .hud-icon{min-width:44px;width:44px;height:44px;background:#18292cd6}.top-actions svg{width:18px}.compass{top:calc(env(safe-area-inset-top) + 111px);font-size:10px}.mission{left:14px;top:calc(env(safe-area-inset-top) + 147px);max-width:174px;padding:9px 11px}.mission .tiny-label{font-size:8px}.mission p{font-size:10px;margin:3px 0 7px}.mission-pips i{width:16px}.waypoint{top:calc(env(safe-area-inset-top) + 92px);left:14px;transform:none;max-width:calc(100% - 110px);font-size:10px}.desktop-help,.desktop-only{display:none}.touch-only{display:inline-flex}.bottom-hud{justify-content:flex-end;padding:36px 16px calc(25px + env(safe-area-inset-bottom))}.view-actions{flex-direction:column-reverse;align-items:flex-end;gap:14px}.view-actions .hud-chip{font-size:10px;min-width:104px;padding-inline:10px}.view-actions .hud-chip svg{width:17px}.move-stick{display:block;position:absolute;bottom:calc(32px + env(safe-area-inset-bottom));left:22px;width:118px;height:118px;touch-action:none;user-select:none;border-radius:50%;background:#142b2f42;box-shadow:inset 0 0 0 1px #e2eeed4d}.stick-ring{position:absolute;inset:27px;border:1px solid #e2eeed45;border-radius:50%;pointer-events:none}#stick-knob{position:absolute;left:40px;top:40px;width:38px;height:38px;border-radius:50%;background:#edf4eee6;box-shadow:0 3px 12px #0002;pointer-events:none}.move-stick button{position:absolute;width:44px;height:44px;color:#e2eee4b3;font-size:13px;line-height:1;touch-action:none;padding:0}.move-stick [data-move=forward]{top:-4px;left:37px}.move-stick [data-move=back]{bottom:-4px;left:37px}.move-stick [data-move=left]{left:-4px;top:37px}.move-stick [data-move=right]{right:-4px;top:37px}.look-hint{position:absolute;right:16px;bottom:calc(183px + env(safe-area-inset-bottom));font-size:9px;color:#edf3ee;text-shadow:0 1px 5px #000;pointer-events:none}.interact{bottom:calc(187px + env(safe-area-inset-bottom));font-size:12px;min-height:46px;max-width:calc(100% - 28px);gap:9px}.key-hint{display:none}.sheet{padding:20px;max-height:calc(100dvh - 26px - env(safe-area-inset-top) - env(safe-area-inset-bottom));border-radius:20px}.sheet-header h2{font-size:19px}.game-toast{top:calc(90px + env(safe-area-inset-top));font-size:12px}.crosshair{width:4px;height:4px}.map-visual{height:220px}.map-zone{font-size:10px;min-width:60px}.discovery{padding:21px;max-height:70dvh}.discovery h2{font-size:18px}.discovery>p{font-size:16px}}
@media(max-width:359px){.top-hud{padding-inline:10px}.location-label h1{font-size:15px}.location-label .tiny-label{font-size:7px}.top-actions{gap:1px}.top-actions .hud-icon{min-width:44px;width:44px}.location-label>span:last-child{max-width:140px;font-size:9px}.mission{top:calc(env(safe-area-inset-top) + 137px);max-width:159px}.move-stick{left:17px;bottom:calc(22px + env(safe-area-inset-bottom));width:110px;height:110px}.move-stick [data-move=forward],.move-stick [data-move=back]{left:33px}.move-stick [data-move=left],.move-stick [data-move=right]{top:33px}#stick-knob{left:36px;top:36px}.interact{bottom:calc(169px + env(safe-area-inset-bottom))}.look-hint{bottom:calc(164px + env(safe-area-inset-bottom));font-size:8px}.bottom-hud{padding-right:12px;padding-bottom:calc(18px + env(safe-area-inset-bottom))}.sheet{width:calc(100% - 20px);padding:17px}}
@media(max-height:500px) and (min-width:600px){.top-hud{padding-top:10px}.mission{top:100px}.compass{top:20px}.location-label>span:last-child{display:none}.move-stick{bottom:15px}.bottom-hud{padding-bottom:15px}.interact{bottom:32px}.look-hint{display:none}.sheet{max-height:calc(100dvh - 16px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}