/* ════════════════════════════════════════════════════════
   云港 CLOUDLINE — interface
   warm dusk / sea-glass / brass
   ════════════════════════════════════════════════════════ */
:root{
  --ink:#0a1613;
  --ink-2:#10241e;
  --panel:rgba(14,31,26,.84);
  --panel-strong:rgba(12,27,23,.94);
  --cream:#f3ead8;
  --cream-2:#ded4c0;
  --dim:#9fa99d;
  --dim-2:#7d8b81;
  --gold:#edbd6d;
  --gold-2:#c99444;
  --gold-soft:rgba(237,189,109,.14);
  --teal:#6dc3ad;
  --coral:#e39176;
  --blue:#79b1d8;
  --green:#8fc795;
  --amber:#d8b169;
  --line:rgba(243,234,216,.11);
  --line-strong:rgba(243,234,216,.19);
  --shadow:0 22px 60px rgba(0,0,0,.38),0 3px 12px rgba(0,0,0,.22);
  --radius:16px;
  --ease:cubic-bezier(.22,.8,.28,1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;overflow:hidden;background:#0a1613;color:var(--cream);
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased;
  user-select:none;-webkit-user-select:none;
  touch-action:none;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.hidden{display:none!important}
kbd{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:20px;padding:1px 5px;border:1px solid rgba(243,234,216,.22);
  border-radius:5px;background:rgba(255,255,255,.05);font:600 10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--cream-2);letter-spacing:.03em;
}
#stage{position:fixed;inset:0;z-index:0}
#stage canvas{display:block;width:100%;height:100%;outline:none;cursor:crosshair}

/* ── atmosphere overlays ───────────────────────────────── */
.vignette{
  position:fixed;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(ellipse at 50% 46%,transparent 42%,rgba(5,13,11,.28) 72%,rgba(4,10,8,.62) 100%),
    linear-gradient(to top,rgba(4,11,9,.44),transparent 24%);
}
.grain{
  position:fixed;inset:0;z-index:3;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

/* ══════════ HUD reveal ══════════ */
.hud{opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
body.started .hud{opacity:1;pointer-events:auto;transform:none}

/* ══════════ top bar ══════════ */
#topbar{
  position:fixed;z-index:20;top:14px;left:16px;right:16px;height:66px;
  display:flex;align-items:center;gap:18px;padding:0 16px;
  background:linear-gradient(155deg,rgba(22,47,39,.9),rgba(9,23,19,.88));
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.055);
  backdrop-filter:blur(22px) saturate(125%);-webkit-backdrop-filter:blur(22px) saturate(125%);
}
.brand-mini{display:flex;align-items:center;gap:10px;padding-right:17px;border-right:1px solid var(--line);flex:none}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:var(--gold);background:linear-gradient(150deg,rgba(237,189,109,.18),rgba(237,189,109,.03));border:1px solid rgba(237,189,109,.25);border-radius:10px}
.brand-mark svg{width:24px;height:24px}
.brand-type{display:flex;flex-direction:column;line-height:1.05}
.brand-type b{font-family:"Songti SC","Noto Serif SC",serif;font-size:19px;letter-spacing:.12em;color:var(--cream)}
.brand-type small{font-size:7.5px;letter-spacing:.28em;color:var(--gold-2);margin-top:3px}

.top-stats{display:flex;align-items:center;gap:24px;flex:none}
.stat{display:flex;flex-direction:column;line-height:1.16;position:relative;min-width:58px}
.stat-label{font-size:9px;letter-spacing:.14em;color:var(--dim-2);margin-bottom:2px;white-space:nowrap}
.stat-value{font-size:16px;font-weight:600;letter-spacing:.01em;font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--cream)}
.stat-value em{font-style:normal;font-size:10px;color:var(--dim);margin-left:1px;font-weight:400}
.stat-sub{font-size:9px;color:var(--dim-2);white-space:nowrap;margin-top:2px;font-variant-numeric:tabular-nums}
.stat-money .stat-value{color:var(--gold)}
.stat-money.negative .stat-value{color:var(--coral)}
.stat-money.negative .stat-sub{color:var(--coral)}
.stat-sub.positive{color:var(--teal)}
.stat-happy .stat-value{font-size:15px;color:var(--cream)}
.happy-meter{display:block;width:52px;height:3px;border-radius:2px;background:rgba(255,255,255,.1);margin-top:4px;overflow:hidden}
.happy-meter i{display:block;height:100%;width:72%;border-radius:2px;background:linear-gradient(90deg,#cf8a66,#edbd6d 60%,#8fc795);transition:width .6s var(--ease)}

.utilities{display:flex;flex-direction:column;gap:7px;flex:none;min-width:126px;padding-left:2px}
.utility{display:flex;align-items:center;gap:7px}
.utility-icon{width:18px;height:18px;display:grid;place-items:center;border-radius:5px;flex:none}
.utility-icon svg{width:12px;height:12px;fill:currentColor;stroke:none}
.utility-icon.power{color:#e7c265;background:rgba(231,194,101,.12)}
.utility-icon.water{color:#7cbdd9;background:rgba(124,189,217,.12)}
.utility-main{display:flex;align-items:center;gap:7px;flex:1}
.utility-track{display:block;width:62px;height:4px;border-radius:3px;background:rgba(255,255,255,.09);overflow:hidden}
.utility-track i{display:block;height:100%;width:0%;border-radius:3px;background:linear-gradient(90deg,#b58f49,#e7c265);transition:width .6s var(--ease)}
.utility-track i.short{background:linear-gradient(90deg,#b55e4a,#e3896e)}
#waterBar{background:linear-gradient(90deg,#4c8ba8,#84c8e2)}
.utility-main small{font-size:8.5px;color:var(--dim-2);font-variant-numeric:tabular-nums;white-space:nowrap;min-width:52px}

.demand-wrap{display:flex;align-items:center;gap:9px;flex:none;padding-left:1px}
.demand-title{font-size:9px;color:var(--dim-2);letter-spacing:.14em}
.demand-bars{display:flex;align-items:flex-end;gap:4px;height:36px}
.demand{width:15px;height:100%;position:relative;border-radius:4px;background:rgba(255,255,255,.075);overflow:hidden;display:flex;align-items:flex-end;justify-content:center}
.demand-fill{position:absolute;left:0;right:0;bottom:0;height:50%;border-radius:3px;transition:height .6s var(--ease),background .4s}
.d-r .demand-fill{background:linear-gradient(180deg,#9ed7a7,#5f9b6b)}
.d-c .demand-fill{background:linear-gradient(180deg,#93c4e4,#5a88ad)}
.d-i .demand-fill{background:linear-gradient(180deg,#e3c88a,#a9813f)}
.demand b{position:relative;z-index:1;font-size:7px;font-weight:700;color:rgba(7,15,13,.72);margin-bottom:2px;line-height:1}

.clock{display:flex;flex-direction:column;gap:2px;flex:none;padding-left:13px;border-left:1px solid var(--line);line-height:1.2;min-width:94px}
.clock-day{font-size:11px;font-weight:600;color:var(--cream-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.clock-phase{display:flex;align-items:center;gap:5px;font-size:9px;color:var(--dim-2);letter-spacing:.06em}
.clock-phase i{width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(237,189,109,.8)}

.speed-group{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:9px;background:rgba(0,0,0,.16);flex:none}
.speed-btn{min-width:27px;height:25px;padding:0 6px;border-radius:6px;font-size:10.5px;font-weight:600;color:var(--dim);display:grid;place-items:center;transition:all .2s}
.speed-btn svg{width:11px;height:11px;fill:currentColor}
.speed-btn:hover{color:var(--cream);background:rgba(255,255,255,.06)}
.speed-btn.active{background:var(--gold);color:#1a241d;box-shadow:0 2px 10px rgba(237,189,109,.22)}
.top-actions{display:flex;align-items:center;gap:3px;margin-left:auto;flex:none}
.icon-btn{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:var(--cream-2);transition:all .2s}
.icon-btn:hover{background:rgba(255,255,255,.07);color:var(--gold)}
.icon-btn.active{color:var(--gold);background:rgba(237,189,109,.12)}
.icon-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn svg path[fill],.icon-btn svg .solid{fill:currentColor}
.ic-sound-on path:first-child,.ic-sound-off path:first-child{fill:currentColor;stroke:none}
.ic-sound-on .wave{fill:none}
.auto-btn{width:auto;min-width:42px;padding:0 8px;font-size:9px;font-weight:700;letter-spacing:.12em;color:var(--cream-2)}
.auto-btn.active{color:var(--gold);background:rgba(237,189,109,.14);box-shadow:inset 0 0 0 1px rgba(237,189,109,.25)}
.auto-btn span{transform:translateY(.5px)}
.menu-btn{display:flex;flex-direction:column;gap:3px;justify-content:center;width:34px}
.menu-btn span{display:block;width:14px;height:1.5px;background:currentColor;border-radius:2px;transition:width .2s}
.menu-btn span:nth-child(2){width:10px}
.menu-btn:hover span{width:14px}

/* ══════════ left toolbar ══════════ */
#toolbar{
  position:fixed;z-index:18;top:95px;left:16px;width:284px;
  max-height:calc(100vh - 170px);overflow-y:auto;overscroll-behavior:contain;
  padding:0 11px 11px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(17,38,32,.92),rgba(9,22,18,.9));
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(22px) saturate(120%);-webkit-backdrop-filter:blur(22px) saturate(120%);
  scrollbar-width:thin;scrollbar-color:rgba(237,189,109,.25) transparent;
}
#toolbar::-webkit-scrollbar{width:4px}
#toolbar::-webkit-scrollbar-thumb{background:rgba(237,189,109,.25);border-radius:4px}
.panel-head{position:sticky;top:0;z-index:2;display:flex;align-items:baseline;justify-content:space-between;padding:13px 4px 11px;background:linear-gradient(rgba(16,36,30,.98),rgba(16,36,30,.92));border-bottom:1px solid var(--line)}
.panel-head>span:first-child{font-family:"Songti SC","Noto Serif SC",serif;font-size:14px;letter-spacing:.12em;color:var(--cream)}
.panel-head-note{font-size:7px;letter-spacing:.24em;color:var(--dim-2)}
.tool-section{padding:10px 0 9px;border-bottom:1px solid var(--line)}
.tool-section-last{border-bottom:0;padding-bottom:0}
.section-label{font-size:9px;letter-spacing:.18em;color:var(--dim-2);margin:0 3px 7px}
.section-hint{font-size:9px;color:var(--dim-2);margin:6px 3px 0;letter-spacing:.02em}
.tool{
  position:relative;display:flex;align-items:center;gap:8px;width:100%;min-height:45px;
  padding:7px 8px;border-radius:10px;border:1px solid transparent;text-align:left;
  transition:background .18s,border-color .18s,transform .12s;
}
.tool:hover{background:rgba(255,255,255,.055);border-color:rgba(237,189,109,.18)}
.tool.attention{border-color:rgba(237,189,109,.6);animation:toolAttention 2.2s ease-in-out infinite}
.tool.attention::after{content:'START';position:absolute;top:-5px;right:8px;font-size:6px;letter-spacing:.16em;color:#1b241c;background:var(--gold);padding:1px 4px;border-radius:3px;font-weight:700}
@keyframes toolAttention{0%,100%{box-shadow:0 0 0 0 rgba(237,189,109,0)}50%{box-shadow:0 0 0 3px rgba(237,189,109,.12),0 0 18px rgba(237,189,109,.08)}}
.tool:active{transform:scale(.985)}
.tool.active{background:linear-gradient(135deg,rgba(237,189,109,.17),rgba(237,189,109,.055));border-color:rgba(237,189,109,.56);box-shadow:inset 0 0 0 1px rgba(237,189,109,.08),0 3px 14px rgba(0,0,0,.12)}
.tool.active .tool-name{color:var(--gold)}
.tool-icon{width:31px;height:31px;flex:none;display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.055);color:var(--accent,var(--cream))}
.tool-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tool-body{display:flex;flex-direction:column;min-width:0;gap:1px;margin-right:auto}
.tool-name{font-size:12px;font-weight:600;color:var(--cream);letter-spacing:.02em;white-space:nowrap;transition:color .18s}
.tool-price{font-size:8.5px;color:var(--dim-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.tool-key{font-size:8px;font-weight:600;color:var(--dim-2);border:1px solid rgba(255,255,255,.1);border-radius:4px;padding:0 3px;line-height:14px;flex:none;min-width:14px;text-align:center}
.tool-wide{min-height:49px}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.tool-grid .tool{min-height:51px;padding:7px 7px;gap:7px;align-items:flex-start}
.tool-grid .tool-icon{width:25px;height:25px;border-radius:7px}
.tool-grid .tool-icon svg{width:15px;height:15px}
.tool-grid .tool-name{font-size:11px}
.tool-grid .tool-price{font-size:8px;line-height:1.35;white-space:normal}
.tool-grid .tool-key{position:absolute;top:5px;right:6px;border:0;color:var(--dim-2);min-width:0}
.tool-grid .tool.active .tool-key{color:var(--gold-2)}
.zone-row{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}
.zone-tool{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-height:60px;padding:9px 8px;position:relative}
.zone-swatch{width:15px;height:4px;border-radius:2px;background:var(--zone);box-shadow:0 0 8px color-mix(in srgb,var(--zone) 50%,transparent);margin-bottom:2px}
.zone-tool .tool-price{font-size:9px}
.zone-tool .tool-key{position:absolute;top:6px;right:6px;border:0;color:var(--dim-2)}
.zone-tool.active .tool-key{color:var(--gold-2)}
.tool.unaffordable .tool-price{color:var(--coral);opacity:.9}
.tool.unaffordable .tool-icon{opacity:.55}
.tool.subtle{background:rgba(255,255,255,.02)}
.tool.danger.active{background:rgba(221,123,99,.10);border-color:rgba(221,123,99,.5)}
.tool.danger.active .tool-name{color:var(--coral)}

/* ══════════ right panel ══════════ */
#sidepanel{
  position:fixed;z-index:18;top:95px;right:16px;width:292px;
  display:flex;flex-direction:column;gap:9px;max-height:calc(100vh - 190px);
}
.card{
  padding:13px 14px 12px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(16,36,30,.9),rgba(9,22,18,.86));
  border:1px solid var(--line);
  box-shadow:0 14px 40px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);
}
.card-head{display:flex;align-items:center;justify-content:space-between;font-family:"Songti SC","Noto Serif SC",serif;font-size:13px;letter-spacing:.12em;color:var(--cream);margin-bottom:8px}
.card-count{font-family:inherit;font-size:9px;letter-spacing:.1em;color:var(--gold-2);font-variant-numeric:tabular-nums}
.live-dot{width:5px;height:5px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(109,195,173,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(109,195,173,.45)}60%{box-shadow:0 0 0 6px rgba(109,195,173,0)}100%{box-shadow:0 0 0 0 rgba(109,195,173,0)}}
.goal-list{list-style:none;margin:0;padding:0}
.goal-list li{display:grid;grid-template-columns:14px 1fr auto;align-items:center;gap:7px;padding:6px 0;border-bottom:1px dashed rgba(243,234,216,.075)}
.goal-list li:last-child{border-bottom:0}
.goal-check{width:14px;height:14px;border-radius:50%;border:1px solid rgba(243,234,216,.24);position:relative;transition:all .3s}
.goal-text{font-size:11px;color:var(--cream-2);letter-spacing:.01em;transition:color .3s}
.goal-progress{font-size:9px;color:var(--dim-2);font-variant-numeric:tabular-nums;font-weight:500}
.goal-reward{grid-column:2/4;font-size:8px;color:rgba(201,148,68,.85);margin-top:-4px;letter-spacing:.04em}
.goal-list li.done .goal-check{background:var(--gold);border-color:var(--gold);box-shadow:0 0 10px rgba(237,189,109,.3)}
.goal-list li.done .goal-check::after{content:"";position:absolute;left:4px;top:1.5px;width:4px;height:7px;border-right:1.5px solid #182219;border-bottom:1.5px solid #182219;transform:rotate(42deg)}
.goal-list li.done .goal-text{color:var(--dim-2);text-decoration:line-through;text-decoration-color:rgba(159,169,157,.4)}
.goal-list li.done .goal-progress,.goal-list li.done .goal-reward{color:var(--dim-2);opacity:.5}
.milestone{margin-top:9px;padding-top:10px;border-top:1px solid var(--line)}
.milestone-head{display:flex;justify-content:space-between;font-size:9px;color:var(--dim-2);letter-spacing:.08em}
.milestone-head b{font-weight:600;color:var(--gold);letter-spacing:.1em}
.milestone-track{height:4px;border-radius:3px;background:rgba(255,255,255,.08);margin:6px 0 5px;overflow:hidden}
.milestone-track i{display:block;height:100%;width:0;border-radius:3px;background:linear-gradient(90deg,#a87936,var(--gold));transition:width .8s var(--ease)}
.milestone-foot{display:flex;justify-content:space-between;font-size:8px;color:var(--dim-2);letter-spacing:.02em}
.feed-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;max-height:154px;overflow:hidden}
.feed-list li{display:grid;grid-template-columns:6px 1fr;gap:7px;align-items:start;font-size:10px;line-height:1.45;color:var(--cream-2);animation:feedIn .45s var(--ease)}
.feed-list li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--gold-2);margin-top:5px}
.feed-list li.good::before{background:var(--teal)}
.feed-list li.warn::before{background:var(--coral)}
.feed-list li time{display:block;color:var(--dim-2);font-size:8px;margin-top:1px;font-variant-numeric:tabular-nums}
.feed-list .feed-empty{display:block;color:var(--dim-2);font-size:10px;font-style:italic;line-height:1.6}
.feed-list .feed-empty::before{display:none}
@keyframes feedIn{from{opacity:0;transform:translateX(6px)}to{opacity:1;transform:none}}

/* inspector */
.inspector-card{position:relative;border-color:rgba(237,189,109,.24);background:linear-gradient(155deg,rgba(26,51,42,.94),rgba(10,24,20,.92));animation:cardIn .32s var(--ease)}
@keyframes cardIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.inspector-close{all:unset;position:absolute;top:10px;right:12px;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;color:var(--dim);cursor:pointer;font-size:16px;line-height:1}
.inspector-close:hover{color:var(--cream);background:rgba(255,255,255,.08)}
.inspector-kicker{font-size:8px;letter-spacing:.24em;color:var(--gold-2);margin-bottom:3px}
.inspector-card h3{font-family:"Songti SC","Noto Serif SC",serif;font-size:16px;letter-spacing:.06em;margin:0 0 9px;font-weight:600;color:var(--cream)}
.inspector-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.inspector-cell{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.05);border-radius:7px;padding:5px 7px}
.inspector-cell span{display:block;font-size:8px;color:var(--dim-2);letter-spacing:.06em}
.inspector-cell b{font-size:11px;font-weight:600;color:var(--cream-2);font-variant-numeric:tabular-nums}
.inspector-note{margin:8px 0 0;font-size:9.5px;color:var(--dim);line-height:1.55}

/* ══════════ status bar ══════════ */
#statusbar{
  position:fixed;z-index:17;bottom:18px;left:50%;transform:translate(-50%,10px);
  display:flex;align-items:center;gap:11px;min-width:460px;max-width:min(660px,calc(100vw - 640px));
  padding:9px 14px;border-radius:13px;
  background:linear-gradient(150deg,rgba(15,34,28,.9),rgba(8,20,17,.88));
  border:1px solid var(--line);box-shadow:0 12px 36px rgba(0,0,0,.3);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
body.started #statusbar{transform:translate(-50%,0)}
.status-icon{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:8px;background:rgba(237,189,109,.09);border:1px solid rgba(237,189,109,.16);color:var(--gold)}
.status-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.status-text{display:flex;flex-direction:column;gap:1px;min-width:0}
.status-text b{font-size:11px;letter-spacing:.06em;color:var(--cream);white-space:nowrap}
.status-text span{font-size:9px;color:var(--dim-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.status-cost{font-size:9px;font-weight:600;color:var(--gold);background:rgba(237,189,109,.1);border:1px solid rgba(237,189,109,.18);border-radius:7px;padding:3px 7px;margin-left:auto;white-space:nowrap;font-variant-numeric:tabular-nums}
.status-cost:empty{display:none}

/* ══════════ toasts ══════════ */
.toast-stack{position:fixed;z-index:45;top:91px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:7px;align-items:center;pointer-events:none;width:max-content;max-width:min(460px,92vw)}
.toast{
  display:flex;align-items:center;gap:9px;padding:8px 14px;border-radius:10px;
  background:rgba(13,29,24,.94);border:1px solid var(--line-strong);border-left:2px solid var(--gold);
  box-shadow:0 12px 34px rgba(0,0,0,.35);font-size:11px;color:var(--cream-2);
  animation:toastIn .38s var(--ease);backdrop-filter:blur(16px);max-width:100%;
}
.toast.good{border-left-color:var(--teal)}
.toast.warn{border-left-color:var(--coral)}
.toast.out{animation:toastOut .3s ease forwards}
.toast .toast-icon{color:var(--gold);font-size:12px;flex:none;line-height:1}
.toast.good .toast-icon{color:var(--teal)}
.toast.warn .toast-icon{color:var(--coral)}
.toast b{color:var(--cream);font-weight:600}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px) scale(.97)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-6px)}}

/* ══════════ milestone banner ══════════ */
.milestone-toast{
  position:fixed;z-index:46;top:102px;left:50%;transform:translate(-50%,-8px);
  padding:14px 30px 15px;text-align:center;border-radius:14px;pointer-events:none;
  background:linear-gradient(160deg,rgba(44,65,48,.96),rgba(18,36,28,.96));
  border:1px solid rgba(237,189,109,.45);
  box-shadow:0 20px 70px rgba(0,0,0,.45),0 0 40px rgba(237,189,109,.08),inset 0 1px 0 rgba(255,255,255,.08);
  opacity:0;transition:all .6s var(--ease);
}
.milestone-toast.show{opacity:1;transform:translate(-50%,0)}
.milestone-toast-kicker{display:block;font-size:7.5px;letter-spacing:.32em;color:var(--gold-2);margin-bottom:4px}
.milestone-toast b{display:block;font-family:"Songti SC","Noto Serif SC",serif;font-size:19px;letter-spacing:.12em;color:var(--gold);margin-bottom:2px}
.milestone-toast span:last-child{font-size:9.5px;color:var(--dim)}

/* ══════════ splash ══════════ */
#splash{
  position:fixed;inset:0;z-index:50;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(5,14,11,.94) 0%,rgba(6,16,13,.82) 30%,rgba(7,17,14,.34) 57%,rgba(7,17,14,.1) 76%,rgba(5,12,10,.36) 100%),
    linear-gradient(to top,rgba(4,11,9,.86),transparent 42%);
  transition:opacity .9s var(--ease),visibility .9s;
}
#splash.leaving{opacity:0;visibility:hidden;pointer-events:none}
.splash-wash{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 18% 52%,rgba(237,189,109,.09),transparent 46%)}
.splash-inner{position:absolute;left:7.2vw;top:47.5%;transform:translateY(-50%);max-width:650px;animation:splashRise 1.2s var(--ease) both}
@keyframes splashRise{from{opacity:0;transform:translateY(calc(-50% + 20px))}to{opacity:1;transform:translateY(-50%)}}
.splash-eyebrow{display:flex;align-items:center;gap:11px;font-size:8.5px;letter-spacing:.34em;color:var(--gold-2);margin-bottom:21px;white-space:nowrap}
.splash-eyebrow i{display:block;width:26px;height:1px;background:rgba(237,189,109,.4)}
.splash-eyebrow i:last-child{width:52px;background:rgba(237,189,109,.16)}
.logo{display:flex;align-items:flex-end;gap:19px;margin:0 0 18px;line-height:1;flex-wrap:wrap}
.logo-cn{
  font-family:"Songti SC","Noto Serif SC","STSong",serif;font-size:clamp(68px,7.6vw,114px);font-weight:600;
  letter-spacing:.06em;color:var(--cream);line-height:.94;
  text-shadow:0 10px 54px rgba(0,0,0,.45),0 0 80px rgba(237,189,109,.12);
}
.logo-en{
  font-family:"Times New Roman",Georgia,serif;font-size:clamp(14px,1.5vw,21px);font-weight:400;
  letter-spacing:.42em;color:var(--gold);padding-bottom:9px;white-space:nowrap;
  text-shadow:0 0 30px rgba(237,189,109,.24);
}
.tagline{font-family:"Songti SC","Noto Serif SC",serif;font-size:clamp(15px,1.35vw,19px);line-height:1.75;letter-spacing:.12em;color:rgba(243,234,216,.8);margin:0 0 30px;font-weight:400}
.feature-row{display:flex;gap:0;margin:0 0 36px;border-top:1px solid rgba(243,234,216,.1);border-bottom:1px solid rgba(243,234,216,.1);padding:14px 0}
.feature{display:flex;gap:10px;padding:0 21px;border-right:1px solid rgba(243,234,216,.09);font-size:11px;line-height:1.4;color:var(--cream-2);letter-spacing:.03em}
.feature:first-child{padding-left:0}
.feature:last-child{border-right:0}
.feature-num{font-family:Georgia,serif;font-size:9px;color:var(--gold-2);padding-top:2px;letter-spacing:.08em}
.feature small{color:var(--dim-2);font-size:9px;line-height:1.7}
.splash-actions{display:flex;align-items:center;gap:13px;margin-bottom:26px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:24px;height:54px;padding:0 13px 0 27px;
  border-radius:28px;background:linear-gradient(135deg,#f2cb83,#e0ab56 55%,#cf9848);
  color:#17231c;font-size:13px;font-weight:700;letter-spacing:.12em;
  box-shadow:0 12px 34px rgba(201,148,68,.28),inset 0 1px 0 rgba(255,255,255,.42);
  transition:transform .22s var(--ease),box-shadow .22s,filter .22s;
}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 18px 42px rgba(201,148,68,.36),inset 0 1px 0 rgba(255,255,255,.42);filter:brightness(1.04)}
.btn-primary:active:not(:disabled){transform:translateY(0) scale(.99)}
.btn-primary:disabled{opacity:.55;cursor:wait;filter:saturate(.4)}
.btn-arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(20,31,24,.13);font-size:15px;transition:transform .25s}
.btn-primary:hover:not(:disabled) .btn-arrow{transform:translateX(2px)}
.btn-primary.small{height:42px;padding:0 20px;border-radius:22px;font-size:12px;gap:0;letter-spacing:.06em}
.btn-ghost{
  height:52px;padding:0 23px;border-radius:27px;border:1px solid rgba(243,234,216,.23);
  color:var(--cream-2);font-size:11.5px;letter-spacing:.08em;background:rgba(255,255,255,.035);
  transition:all .2s;backdrop-filter:blur(8px)
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(237,189,109,.45);color:var(--cream)}
.splash-touch-hint{display:none;font-size:9.5px;color:var(--dim-2);letter-spacing:.05em;margin-top:4px}
.splash-controls{display:flex;gap:19px;flex-wrap:wrap;font-size:9.5px;color:var(--dim-2);letter-spacing:.03em}
.splash-controls span{display:flex;align-items:center;gap:5px}
.splash-controls kbd{font-size:8px;color:var(--cream-2);background:rgba(255,255,255,.04)}
.splash-footer{position:absolute;left:7.2vw;right:5vw;bottom:28px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.2em;color:rgba(159,169,157,.55);text-transform:uppercase}
.splash-version{letter-spacing:.14em}
.splash-loading{position:absolute;right:5.2vw;bottom:28px;display:flex;gap:5px;align-items:center}
.loading-dot{width:4px;height:4px;border-radius:50%;background:var(--gold);opacity:.3;animation:loadPulse 1.2s infinite}
.loading-dot:nth-child(2){animation-delay:.15s}
.loading-dot:nth-child(3){animation-delay:.3s}
@keyframes loadPulse{0%,100%{opacity:.2;transform:scale(.8)}50%{opacity:.9;transform:scale(1.15)}}
#splash.ready .splash-loading{display:none}

/* ══════════ overlays ══════════ */
.overlay{
  position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:24px;
  background:rgba(4,12,9,.7);backdrop-filter:blur(13px) saturate(75%);-webkit-backdrop-filter:blur(13px);
  animation:overlayIn .28s ease both;
}
@keyframes overlayIn{from{opacity:0}to{opacity:1}}
.overlay-close{position:absolute;top:16px;right:18px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:21px;color:var(--dim);line-height:1;transition:all .2s}
.overlay-close:hover{color:var(--cream);background:rgba(255,255,255,.08);transform:rotate(90deg)}
.help-card,.menu-card,.confirm-card{
  position:relative;width:min(760px,100%);max-height:90vh;overflow:auto;
  background:linear-gradient(160deg,rgba(21,45,37,.98),rgba(9,23,19,.99));
  border:1px solid rgba(237,189,109,.18);border-radius:20px;
  box-shadow:0 34px 100px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
  padding:34px 38px;scrollbar-width:thin;
}
.help-card{animation:modalIn .45s var(--ease)}
.menu-card,.confirm-card{width:min(432px,100%);padding:30px 30px 24px;animation:modalIn .45s var(--ease)}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.help-kicker,.menu-kicker{font-size:8px;letter-spacing:.32em;color:var(--gold-2);margin-bottom:8px}
.help-card h2,.menu-card h2{font-family:"Songti SC","Noto Serif SC",serif;font-size:26px;font-weight:600;letter-spacing:.12em;margin:0 0 10px;color:var(--cream)}
.help-lede{font-size:11.5px;line-height:1.8;color:var(--dim);max-width:540px;margin:0 0 24px}
.help-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--line);padding-top:22px}
.help-empty{color:var(--dim)}
.help-columns h4{font-size:9px;letter-spacing:.18em;color:var(--gold-2);margin:0 0 12px;font-weight:600}
.key-list{display:grid;grid-template-columns:auto 1fr;gap:7px 12px;margin:0;font-size:10px}
.key-list dt{white-space:nowrap}
.key-list dd{margin:0;color:var(--dim);line-height:1.5}
.rules-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:10px;line-height:1.65;color:var(--dim)}
.rules-list li{padding-left:13px;position:relative}
.rules-list li::before{content:"—";position:absolute;left:0;color:var(--gold-2);opacity:.6}
.rules-list b{color:var(--cream-2);font-weight:600}
.c-green{color:var(--green)}
.c-gold{color:var(--gold)}
.help-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:9.5px;color:var(--dim-2);font-style:italic;letter-spacing:.03em}
.menu-card h2{margin-bottom:18px}
.menu-actions{display:flex;flex-direction:column;gap:4px}
.menu-action{display:flex;align-items:center;gap:12px;width:100%;padding:10px 10px;border-radius:10px;text-align:left;transition:all .18s}
.menu-action:hover{background:rgba(255,255,255,.055)}
.menu-action-icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.05);color:var(--gold);font-size:13px;flex:none}
.menu-action span:last-child{display:flex;flex-direction:column;gap:1px}
.menu-action b{font-size:11.5px;font-weight:600;color:var(--cream-2);letter-spacing:.03em}
.menu-action small{font-size:9px;color:var(--dim-2)}
.menu-action.danger .menu-action-icon{color:var(--coral)}
.menu-action.danger b{color:var(--coral)}
.menu-foot{margin-top:17px;padding-top:14px;border-top:1px solid var(--line);text-align:center;font-size:8px;letter-spacing:.16em;color:var(--dim-2)}
.confirm-card{text-align:center;padding:34px 32px 28px}
.confirm-card h3{font-family:"Songti SC","Noto Serif SC",serif;font-size:22px;font-weight:600;letter-spacing:.08em;margin:0 0 10px;color:var(--cream)}
.confirm-card p{font-size:10.5px;line-height:1.8;color:var(--dim);margin:0 0 23px}
.confirm-actions{display:flex;gap:9px;justify-content:center}
.confirm-actions .btn-ghost{height:42px;padding:0 18px;font-size:11px;border-radius:21px}
.confirm-actions .btn-primary.small{height:42px;padding:0 20px;border-radius:21px;font-size:11px}

/* ══════════ responsive ══════════ */
@media (max-width:1500px){
  #topbar{gap:14px}
  .top-stats{gap:18px}
  .brand-mini{padding-right:13px}
  #toolbar{width:272px}
  #sidepanel{width:280px}
}
@media (max-width:1340px){
  .stat-sub{display:none}
  .utilities{min-width:114px}
  .clock{min-width:82px;padding-left:10px}
  .demand-wrap{gap:6px}
  .brand-type small{display:none}
  .brand-type b{font-size:18px}
  #toolbar{width:262px}
  #sidepanel{width:268px}
  .logo-cn{font-size:clamp(66px,8vw,100px)}
}
@media (max-width:1180px){
  .top-stats .stat:nth-child(3){display:none}
  .utilities{display:none}
  .demand-wrap{display:none}
  .feature-row{display:none}
  #statusbar{max-width:calc(100vw - 620px);min-width:380px}
  .splash-inner{max-width:560px}
  .logo-en{letter-spacing:.3em}
}
@media (max-width:980px){
  .top-stats .stat:nth-child(4){display:none}
  .clock{display:none}
  #sidepanel{display:none}
  #toolbar{width:250px}
  #statusbar{left:auto;right:16px;transform:translate(0,10px);max-width:calc(100vw - 300px);min-width:0}
  body.started #statusbar{transform:none}
  .splash-inner{left:6vw;max-width:500px}
  .splash-footer{left:6vw}
  .feature{padding:0 13px}
  .help-columns{grid-template-columns:1fr;gap:22px}
}
@media (max-width:760px){
  #topbar{top:8px;left:8px;right:8px;height:56px;padding:0 10px;gap:10px;border-radius:13px}
  .brand-mini{padding-right:8px;border-right:0}
  .brand-mark{width:29px;height:29px}
  .brand-mark svg{width:20px;height:20px}
  .brand-type{display:none}
  .top-stats{gap:14px}
  .stat{min-width:0}
  .stat-value{font-size:14px}
  .speed-group{padding:2px}
  .speed-btn{min-width:23px;height:23px;padding:0 4px;font-size:9.5px}
  .speed-btn[data-speed="3"]{display:none}
  .top-actions{gap:0}
  #btnHelp{display:none}
  .icon-btn{width:29px;height:29px}
  #toolbar{
    top:auto;bottom:8px;touch-action:pan-y;left:8px;right:8px;width:auto;max-height:196px;
    padding:0 8px 8px;border-radius:13px;
  }
  .panel-head{padding:8px 4px 7px;position:static;background:none;border-bottom:0}
  .panel-head>span:first-child{font-size:11px}
  .panel-head-note{display:none}
  .tool-section{padding:6px 0;border-bottom:0}
  .section-label,.section-hint{display:none}
  .tool-wide{min-height:42px}
  .tool-grid{grid-template-columns:repeat(4,1fr)}
  .tool-grid .tool{flex-direction:column;align-items:flex-start;min-height:56px;padding:5px 6px}
  .tool-grid .tool-price{display:none}
  .tool-grid .tool-key{top:3px;right:4px}
  .zone-row{grid-template-columns:repeat(3,1fr)}
  .zone-tool{min-height:43px;padding:6px}
  .zone-tool .tool-price{font-size:8px}
  #statusbar{display:none}
  .toast-stack{top:74px;max-width:94vw}
  .toast{font-size:10px;padding:7px 11px}
  #splash{background:linear-gradient(180deg,rgba(5,14,11,.82),rgba(5,14,11,.93))}
  .splash-inner{left:6vw;right:6vw;top:44%;max-width:none}
  .logo{flex-direction:column;align-items:flex-start;gap:7px}
  .logo-cn{font-size:clamp(58px,15vw,84px)}
  .logo-en{font-size:12px;letter-spacing:.32em;padding-bottom:0}
  .tagline{font-size:14px;margin-bottom:22px}
  .splash-actions{gap:9px}
  .btn-primary{height:48px;padding-left:21px;gap:14px;font-size:12px}
  .btn-ghost{height:46px;padding:0 17px;font-size:10.5px}
  .splash-controls{display:none}
  .splash-touch-hint{display:block;font-size:10px;color:var(--dim);line-height:1.5}
  .splash-footer{bottom:14px;left:6vw;right:6vw;font-size:7px}
  .splash-loading{right:6vw;bottom:34px}
  .help-card,.menu-card{padding:26px 20px;max-height:84vh}
  .help-card h2{font-size:22px}
  .milestone-toast p{display:none}
  .milestone-toast{width:80vw;padding:12px 18px}
  .milestone-toast b{font-size:16px}
}
@media (max-height:760px) and (min-width:761px){
  #toolbar{top:87px;max-height:calc(100vh - 154px)}
  #topbar{height:60px;top:10px}
  #sidepanel{top:87px;max-height:calc(100vh - 175px)}
  .card{padding:10px 12px}
  .feed-card{display:none}
  .goal-list li{padding:4px 0}
  .section-hint{display:none}
  .tool-section{padding:7px 0}
  .splash-inner{top:46%}
  .feature-row{margin-bottom:26px;padding:10px 0}
  .tagline{margin-bottom:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}

/* world landmark tour */
.tour-launch{position:fixed;z-index:26;right:18px;bottom:78px;padding:9px 14px;border-radius:999px;border:1px solid rgba(237,189,109,.35);background:rgba(12,29,24,.82);color:var(--gold);font:600 11px/1 "PingFang SC","Noto Sans SC",sans-serif;letter-spacing:.08em;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 8px 30px rgba(0,0,0,.35);transition:all .2s}
.tour-launch:hover{background:rgba(237,189,109,.14);transform:translateY(-1px)}
.tour-launch.active{background:rgba(237,189,109,.2);border-color:rgba(237,189,109,.7)}
.tour-hud{position:fixed;z-index:27;left:50%;bottom:96px;transform:translateX(-50%);min-width:260px;max-width:min(82vw,460px);padding:14px 22px 13px;text-align:center;border-radius:14px;border:1px solid rgba(237,189,109,.28);background:linear-gradient(160deg,rgba(12,30,25,.9),rgba(8,20,17,.86));box-shadow:0 14px 46px rgba(0,0,0,.4);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);pointer-events:none}
.tour-index{display:block;font-size:9px;letter-spacing:.2em;color:rgba(237,189,109,.75)}
.tour-hud h3{margin:5px 0 5px;font-size:20px;font-weight:500;letter-spacing:.12em;color:var(--cream)}
.tour-sub{margin:0;font-size:10px;letter-spacing:.08em;color:rgba(233,226,208,.48)}
@media(max-width:760px){.tour-launch{right:12px;bottom:72px;padding:8px 12px;font-size:10px}.tour-hud{bottom:84px;padding:11px 16px}.tour-hud h3{font-size:17px}}

.map-launch{bottom:124px}
.landmark-map{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:24px;background:rgba(4,12,10,.62);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.landmark-map-card{width:min(920px,94vw);max-height:86vh;overflow:auto;border-radius:18px;border:1px solid rgba(237,189,109,.22);background:linear-gradient(160deg,rgba(16,35,29,.98),rgba(8,21,18,.98));box-shadow:0 30px 90px rgba(0,0,0,.55);padding:20px 22px 22px}
.landmark-map-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.lm-eyebrow{font-size:9px;letter-spacing:.24em;color:rgba(237,189,109,.66)}
.landmark-map-head h3{margin:4px 0 0;font-size:22px;font-weight:500;letter-spacing:.14em;color:var(--cream)}
.lm-close{width:32px;height:32px;border-radius:50%;border:1px solid rgba(237,189,109,.25);color:var(--cream);font-size:20px;line-height:1;display:grid;place-items:center;background:rgba(255,255,255,.04)}
.lm-close:hover{background:rgba(237,189,109,.16);color:var(--gold)}
.lm-hint{margin:8px 0 14px;font-size:11px;color:rgba(233,226,208,.5);letter-spacing:.06em}
.landmark-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.landmark-grid button{text-align:left;padding:9px 10px;border-radius:9px;border:1px solid rgba(233,226,208,.1);background:rgba(255,255,255,.035);color:rgba(233,226,208,.82);font:500 11px/1.3 "PingFang SC","Noto Sans SC",sans-serif;letter-spacing:.04em;transition:all .18s}
.landmark-grid button:hover{border-color:rgba(237,189,109,.45);background:rgba(237,189,109,.1);color:var(--gold)}
.landmark-grid button b{display:block;font-size:9px;font-weight:400;letter-spacing:.14em;color:rgba(237,189,109,.55);margin-bottom:3px}
@media(max-width:760px){.map-launch{bottom:116px}.landmark-map{padding:12px}.landmark-map-card{padding:16px}.landmark-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.landmark-map-head h3{font-size:18px}}

.airport-launch{bottom:170px}
@media(max-width:760px){.airport-launch{bottom:160px}}

.university-launch{bottom:212px}
.season-row{display:flex;gap:6px;align-items:center;margin:14px 0 4px;padding-top:14px;border-top:1px solid rgba(233,226,208,.08)}
.season-label{font-size:9px;letter-spacing:.18em;color:rgba(233,226,208,.45);margin-right:auto}
.season-btn{padding:6px 12px;border-radius:6px;border:1px solid rgba(233,226,208,.12);background:rgba(255,255,255,.04);color:rgba(233,226,208,.7);font:500 10px/1 "PingFang SC","Noto Sans SC",sans-serif;letter-spacing:.1em}
.season-btn:hover{border-color:rgba(237,189,109,.45);color:var(--gold);background:rgba(237,189,109,.1)}
@media(max-width:760px){.university-launch{bottom:204px}.season-btn{padding:6px 9px}}


/* ══════════ photo mode ══════════ */
#photoHint{position:fixed;z-index:42;left:50%;bottom:30px;transform:translate(-50%,8px);opacity:0;pointer-events:none;padding:9px 16px;border-radius:999px;border:1px solid rgba(237,189,109,.3);background:rgba(8,22,18,.72);color:rgba(244,235,214,.82);font:500 11px/1.2 "PingFang SC","Noto Sans SC",sans-serif;letter-spacing:.08em;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:opacity .25s,transform .25s}
body.photo-mode #topbar,body.photo-mode #toolbar,body.photo-mode #sidepanel,body.photo-mode #statusbar,body.photo-mode #toasts,body.photo-mode #tourHud,body.photo-mode .tour-launch{opacity:0!important;pointer-events:none!important}
body.photo-mode #photoHint{opacity:1;transform:translate(-50%,0)}
body.photo-mode #stage{cursor:grab}

#photoHint{display:flex;align-items:center;gap:12px}
#photoHint #btnPhotoSave{pointer-events:auto;cursor:pointer;border:1px solid rgba(237,189,109,.4);border-radius:999px;padding:5px 11px;background:rgba(237,189,109,.12);color:var(--gold);font:600 10px/1 "PingFang SC","Noto Sans SC",sans-serif;letter-spacing:.08em}
#photoHint #btnPhotoSave:hover{background:rgba(237,189,109,.22)}