/* ============ 极速铸造厂 · Die-Cast Velocity ============ */
:root{
  --bg:#16100a;
  --bg2:#1f150c;
  --panel:#261a0f;
  --panel2:#2f2013;
  --line:#4d3720;
  --line2:#6b4c2a;
  --amber:#ffb257;
  --amber2:#ff8c2e;
  --red:#ff4b2e;
  --text:#f6e9d4;
  --dim:#b08e63;
  --dim2:#7d6242;
  --green:#8fd97a;
  --cyan:#6fd3e7;
  --gold:#ffd34d;
  --display:'Baloo 2','Noto Sans SC',system-ui,sans-serif;
  --mono:'Chivo Mono',ui-monospace,monospace;
  --body:'Noto Sans SC',system-ui,sans-serif;
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  user-select:none;
}
canvas#c{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}
.hidden{display:none!important}

/* ============ LOADER ============ */
#loader{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 10%,#2a1c0e 0%,#16100a 60%,#0d0905 100%)}
.loader-card{text-align:center;width:min(340px,80vw)}
.loader-badge{font-size:52px;animation:spin 2.4s linear infinite;filter:drop-shadow(0 0 18px rgba(255,178,87,.45))}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-title{font-family:var(--display);font-weight:800;font-size:30px;letter-spacing:2px;margin-top:10px;color:var(--amber)}
.loader-sub{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:1.5px;margin:6px 0 20px}
.loader-bar{height:6px;border-radius:3px;background:#332412;overflow:hidden;border:1px solid var(--line)}
.loader-fill{height:100%;width:0%;border-radius:3px;background:linear-gradient(90deg,var(--amber2),var(--amber));transition:width .25s ease}
.loader-tip{margin-top:12px;font-size:12px;color:var(--dim2);font-family:var(--mono)}

/* ============ MENU ============ */
#menu{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(14,9,5,.88) 0%,rgba(14,9,5,.72) 55%,rgba(14,9,5,.9) 100%);
  backdrop-filter:blur(3px)}
#menuHeader{display:flex;align-items:center;gap:22px;padding:16px 26px 12px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;
  background:linear-gradient(145deg,#3a2812,#241708);border:1px solid var(--line2);color:var(--amber);
  box-shadow:0 4px 14px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,200,120,.25);animation:spin 9s linear infinite}
.brand-name{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:1.5px;color:var(--amber);line-height:1}
.brand-sub{font-family:var(--mono);font-size:10px;color:var(--dim);letter-spacing:1.2px;margin-top:4px}
#menuTabs{display:flex;gap:6px;margin-left:12px}
.tab-btn{font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:1px;color:var(--dim);
  background:transparent;border:1px solid transparent;border-radius:10px;padding:8px 18px;cursor:pointer;transition:all .18s}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{color:#1d1206;background:linear-gradient(180deg,var(--amber),var(--amber2));
  box-shadow:0 3px 12px rgba(255,150,50,.35),inset 0 1px 0 rgba(255,255,255,.4)}
.series-summary{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.5px}
.series-summary b{color:var(--gold)}

.tab-page{flex:1;overflow-y:auto;padding:18px 26px 10px;min-height:0}
.tab-page::-webkit-scrollbar{width:8px}
.tab-page::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

.race-cols{display:grid;grid-template-columns:1.25fr 1fr .95fr;gap:18px;align-items:start}
.col-head{font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:1.5px;color:var(--dim);margin-bottom:10px;
  display:flex;align-items:baseline;gap:10px}
.col-hint{font-family:var(--mono);font-size:10px;color:var(--dim2);letter-spacing:.5px;font-weight:400}
.card-list{display:flex;flex-direction:column;gap:9px}

.tcard{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:10px;border-radius:var(--r);cursor:pointer;
  background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);transition:all .16s;position:relative}
.tcard:hover{border-color:var(--line2);transform:translateY(-1px)}
.tcard.active{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber),0 6px 20px rgba(255,150,50,.18)}
.tcard.active::after{content:"";position:absolute;top:8px;right:8px;width:9px;height:9px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 10px var(--amber)}
.tcard canvas{width:86px;height:86px;border-radius:9px;background:#120c06;border:1px solid #33240f}
.tcard-name{font-family:var(--display);font-weight:700;font-size:16px;letter-spacing:.5px}
.tcard-cn{font-size:11px;color:var(--dim);margin-top:1px}
.tcard-meta{display:flex;gap:6px;margin-top:7px;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:9.5px;padding:2px 7px;border-radius:20px;border:1px solid var(--line);color:var(--dim);letter-spacing:.5px}
.chip.stars{color:var(--gold);border-color:#5a4517}
.chip.best{color:var(--cyan);border-color:#23444d}

.ccard{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:10px;border-radius:var(--r);cursor:pointer;
  background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);transition:all .16s;position:relative}
.ccard:hover{border-color:var(--line2);transform:translateY(-1px)}
.ccard.active{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber),0 6px 20px rgba(255,150,50,.18)}
.ccard-swatch{height:64px;border-radius:9px;border:1px solid rgba(0,0,0,.5);position:relative;overflow:hidden}
.ccard-swatch::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.35) 45%,transparent 60%)}
.ccard-name{font-family:var(--display);font-weight:700;font-size:15px}
.ccard-en{font-family:var(--mono);font-size:9.5px;color:var(--dim);letter-spacing:1px;margin-top:1px}
.ccard-stats{display:flex;gap:4px;margin-top:7px}
.mini-stat{flex:1}
.mini-stat i{display:block;height:3px;border-radius:2px;background:#33240f;margin-top:3px;overflow:hidden}
.mini-stat i b{display:block;height:100%;border-radius:2px;background:var(--amber2)}
.mini-stat span{font-family:var(--mono);font-size:8.5px;color:var(--dim2);letter-spacing:.5px}

.col-options{display:flex;flex-direction:column;gap:14px}
.opt-group{background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:var(--r);padding:13px 14px}
.opt-label{font-family:var(--display);font-weight:700;font-size:12.5px;letter-spacing:1px;color:var(--dim);margin-bottom:9px;
  display:flex;justify-content:space-between;align-items:baseline}
.opt-tag{font-family:var(--mono);font-size:9.5px;color:var(--cyan);font-weight:400}
.opt-desc{font-size:11px;color:var(--dim2);margin-top:8px;line-height:1.5;min-height:16px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.seg button{font-family:var(--display);font-weight:700;font-size:13px;padding:8px 4px;border-radius:9px;cursor:pointer;
  background:#1c1209;color:var(--dim);border:1px solid var(--line);transition:all .15s;letter-spacing:.5px}
.seg button:hover{color:var(--text);border-color:var(--line2)}
.seg button.active{color:#1d1206;background:linear-gradient(180deg,var(--amber),var(--amber2));border-color:var(--amber);
  box-shadow:0 2px 10px rgba(255,150,50,.3)}
.best-time-box{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--cyan);letter-spacing:1px;padding:4px 0}
.race-meta .meta-row{display:flex;justify-content:space-between;font-size:12px;color:var(--dim);padding:4px 0;border-bottom:1px dashed #3a2a15}
.race-meta .meta-row:last-child{border-bottom:none}
.race-meta .meta-row b{color:var(--text);font-family:var(--mono);font-size:12px}

.race-btn{position:sticky;bottom:14px;margin:14px auto 8px;display:flex;align-items:center;justify-content:center;gap:12px;
  font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:3px;color:#1d1206;cursor:pointer;
  padding:15px 54px;border:none;border-radius:18px;
  background:linear-gradient(180deg,#ffc36b,var(--amber2) 60%,#e86f1a);
  box-shadow:0 8px 28px rgba(255,140,40,.4),inset 0 2px 0 rgba(255,255,255,.5),inset 0 -3px 0 rgba(120,50,0,.35);
  transition:all .15s}
.race-btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(255,140,40,.5),inset 0 2px 0 rgba(255,255,255,.5)}
.race-btn:active{transform:translateY(0)}
.race-btn-flag{font-size:20px}
.race-btn-key{font-family:var(--mono);font-size:10px;font-weight:700;background:rgba(0,0,0,.22);border-radius:6px;padding:3px 8px;letter-spacing:1px}

/* ============ GARAGE ============ */
.garage-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:1100px;margin:0 auto;padding:8px 0 20px}
.garage-car-name{font-family:var(--display);font-weight:800;font-size:34px;letter-spacing:1px;color:var(--amber)}
.garage-car-desc{color:var(--dim);font-size:13px;margin-top:6px;line-height:1.6}
.garage-stats{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.gstat{display:grid;grid-template-columns:64px 1fr 40px;align-items:center;gap:12px;font-size:12px;color:var(--dim)}
.gstat-bar{height:8px;border-radius:4px;background:#1c1209;border:1px solid var(--line);overflow:hidden}
.gstat-bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--amber2),var(--amber));transition:width .4s ease}
.gstat b{font-family:var(--mono);font-size:12px;color:var(--text);text-align:right}
.paint-row{display:flex;gap:10px;flex-wrap:wrap}
.paint{width:44px;height:44px;border-radius:12px;cursor:pointer;border:2px solid var(--line);position:relative;transition:all .15s;
  box-shadow:inset 0 -6px 12px rgba(0,0,0,.35),inset 0 3px 6px rgba(255,255,255,.3)}
.paint:hover{transform:translateY(-2px)}
.paint.locked{cursor:not-allowed;filter:grayscale(.9) brightness(.5)}
.paint.locked::after{content:"🔒";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:15px}
.paint.active{border-color:#fff;box-shadow:0 0 0 2px var(--amber),0 0 18px rgba(255,178,87,.5)}
.paint-lock-note{font-size:11px;color:var(--dim2);margin-top:10px;font-family:var(--mono)}
.garage-right{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);min-height:420px;
  background:radial-gradient(80% 70% at 50% 30%,#2e2012 0%,#170f08 70%)}
#garageCanvas{width:100%;height:100%;display:block;touch-action:none}
.garage-hint{position:absolute;bottom:10px;left:0;right:0;text-align:center;font-family:var(--mono);font-size:10px;color:var(--dim2);letter-spacing:1px;pointer-events:none}

/* ============ SERIES ============ */
.series-wrap{max-width:980px;margin:0 auto;padding:8px 0 24px}
.series-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.series-title{font-family:var(--display);font-weight:800;font-size:26px;letter-spacing:1px;color:var(--amber)}
.series-sub{font-size:12px;color:var(--dim);margin-top:4px}
.series-medals{font-family:var(--mono);font-size:15px;color:var(--gold);letter-spacing:1px}
.series-table{display:flex;flex-direction:column;gap:8px}
.srow{display:grid;grid-template-columns:44px 1fr 110px 110px 90px;align-items:center;gap:14px;
  background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:12px;padding:11px 16px}
.srow-rank{font-family:var(--display);font-weight:800;font-size:19px;color:var(--dim2);text-align:center}
.srow-name{font-family:var(--display);font-weight:700;font-size:15px}
.srow-name small{display:block;font-family:var(--mono);font-size:9.5px;color:var(--dim2);letter-spacing:1px;font-weight:400;margin-top:1px}
.srow-time{font-family:var(--mono);font-size:13px;color:var(--cyan)}
.srow-target{font-family:var(--mono);font-size:11px;color:var(--dim2)}
.srow-medal{font-size:24px;text-align:center;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
.reward-row{display:flex;gap:12px;flex-wrap:wrap}
.reward{width:120px;padding:12px;border-radius:12px;border:1px solid var(--line);background:linear-gradient(160deg,var(--panel),var(--bg2));text-align:center;transition:all .15s}
.reward .r-swatch{width:38px;height:38px;border-radius:10px;margin:0 auto 8px;box-shadow:inset 0 -5px 10px rgba(0,0,0,.35),inset 0 2px 5px rgba(255,255,255,.3)}
.reward.locked{opacity:.55}
.reward.locked .r-swatch{filter:grayscale(.9)}
.reward-name{font-size:11.5px;font-weight:700;font-family:var(--display)}
.reward-need{font-family:var(--mono);font-size:9.5px;color:var(--dim2);margin-top:3px}
.reward.unlocked{border-color:var(--line2)}
.reward.unlocked .r-swatch{box-shadow:0 0 14px rgba(255,178,87,.35),inset 0 -5px 10px rgba(0,0,0,.35)}

/* ============ HUD ============ */
#hud{position:fixed;inset:0;z-index:30;pointer-events:none;font-family:var(--mono)}
.hud-tl{position:absolute;top:18px;left:20px;display:flex;flex-direction:column;gap:5px;
  background:rgba(20,12,6,.72);border:1px solid var(--line);border-radius:12px;padding:10px 16px;backdrop-filter:blur(4px)}
.hud-lap{font-family:var(--display);font-weight:800;font-size:26px;color:var(--amber);line-height:1}
.hud-lap-max{font-size:15px;color:var(--dim2)}
.hud-time{font-size:19px;font-weight:700;letter-spacing:1px;color:var(--text)}
.hud-best,.hud-last{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--cyan)}
.hud-last{color:var(--dim)}
.hud-best-tag{font-size:9px;color:var(--dim2);letter-spacing:1px}
.hud-tr{position:absolute;top:18px;right:20px;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.hud-speed{font-family:var(--display);font-weight:800;font-size:44px;color:var(--text);line-height:1;
  background:rgba(20,12,6,.72);border:1px solid var(--line);border-radius:12px;padding:6px 16px;backdrop-filter:blur(4px)}
.hud-speed-unit{font-size:13px;color:var(--dim);margin-left:6px;font-family:var(--mono);font-weight:400}
#minimap{width:150px;height:150px;background:rgba(20,12,6,.72);border:1px solid var(--line);border-radius:12px;backdrop-filter:blur(4px)}
.hud-nitro-wrap{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);width:min(340px,44vw);text-align:center}
.hud-nitro-label{font-size:10px;letter-spacing:2.5px;color:var(--dim);margin-bottom:5px}
.hud-key-hint{color:var(--dim2);border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:9px}
.hud-nitro-bar{height:14px;border-radius:7px;background:rgba(20,12,6,.8);border:1px solid var(--line);overflow:hidden;position:relative}
#hudNitroFill{height:100%;width:100%;border-radius:7px;background:linear-gradient(90deg,#3ec6ff,#7fe8ff);transition:width .08s linear}
.hud-nitro-glow{position:absolute;inset:0;box-shadow:inset 0 2px 4px rgba(255,255,255,.25);border-radius:7px}
.hud-nitro-wrap.boost #hudNitroFill{background:linear-gradient(90deg,var(--red),var(--amber))}
.hud-nitro-wrap.boost .hud-nitro-label{color:var(--amber)}
.wrong-way{position:absolute;top:22%;left:50%;transform:translateX(-50%);font-family:var(--display);font-weight:800;
  font-size:22px;color:var(--red);background:rgba(40,8,4,.85);border:1px solid var(--red);border-radius:12px;padding:10px 26px;
  animation:blink .5s steps(2) infinite;letter-spacing:2px}
@keyframes blink{50%{opacity:.35}}
.lap-flash{position:absolute;top:30%;left:50%;transform:translateX(-50%);font-family:var(--display);font-weight:800;
  font-size:34px;color:var(--amber);text-shadow:0 4px 24px rgba(255,150,50,.6);letter-spacing:3px;animation:lapPop 1.6s ease forwards}
@keyframes lapPop{0%{opacity:0;transform:translateX(-50%) scale(.6)}15%{opacity:1;transform:translateX(-50%) scale(1.08)}25%{transform:translateX(-50%) scale(1)}75%{opacity:1}100%{opacity:0}}
.countdown{position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);font-family:var(--display);font-weight:800;
  font-size:110px;color:var(--amber);text-shadow:0 8px 40px rgba(255,150,50,.55);letter-spacing:6px}
.countdown.go{color:var(--green);text-shadow:0 8px 40px rgba(120,255,120,.5)}
.hud-btns{position:absolute;bottom:24px;right:20px;display:flex;gap:8px;pointer-events:auto}
.hud-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(20,12,6,.8);color:var(--amber);
  font-size:18px;cursor:pointer;transition:all .15s}
.hud-btn:hover{border-color:var(--amber);background:rgba(40,26,12,.9)}

/* ============ TOUCH ============ */
#touchUI{position:fixed;inset:0;z-index:35;pointer-events:none}
.touch-left{position:absolute;bottom:70px;left:16px;display:flex;gap:12px;pointer-events:auto}
.touch-right{position:absolute;bottom:70px;right:16px;display:flex;gap:10px;pointer-events:auto;align-items:flex-end}
.touch-btn{width:72px;height:72px;border-radius:50%;border:2px solid var(--line2);font-family:var(--display);font-weight:800;
  font-size:20px;color:var(--text);background:rgba(30,19,9,.75);backdrop-filter:blur(3px);cursor:pointer;touch-action:none}
.touch-btn:active,.touch-btn.on{background:rgba(255,150,50,.35);border-color:var(--amber)}
.touch-btn.steer{width:84px;height:84px;font-size:28px}
.touch-btn.gas{height:96px;width:84px;color:var(--green);border-color:#2e5230}
.touch-btn.brake{height:80px;color:var(--red);border-color:#5a2a20}
.touch-btn.nitro{height:64px;width:64px;color:var(--cyan);border-color:#23444d;font-size:15px}

/* ============ MODALS ============ */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(10,6,3,.7);backdrop-filter:blur(4px)}
.modal-card{width:min(400px,92vw);background:linear-gradient(165deg,#2c1d0f,#1a1108);border:1px solid var(--line2);border-radius:20px;
  padding:28px;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.6)}
.modal-title{font-family:var(--display);font-weight:800;font-size:28px;letter-spacing:2px;color:var(--amber)}
.modal-sub{font-family:var(--mono);font-size:11.5px;color:var(--dim);margin:8px 0 20px;letter-spacing:.5px}
.modal-btn{display:block;width:100%;margin-top:10px;padding:13px;border-radius:12px;border:1px solid var(--line2);
  background:#241708;color:var(--text);font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:1px;cursor:pointer;transition:all .15s}
.modal-btn:hover{border-color:var(--amber);background:#2f1e0d}
.modal-btn.primary{background:linear-gradient(180deg,#ffc36b,var(--amber2));color:#1d1206;border:none;
  box-shadow:0 4px 16px rgba(255,140,40,.35)}
.modal-btn.primary:hover{transform:translateY(-1px)}
.res-medal{font-size:64px;margin:10px 0 4px;filter:drop-shadow(0 6px 20px rgba(0,0,0,.5))}
.res-total{font-family:var(--mono);font-size:14px;color:var(--dim);margin-bottom:16px}
.res-total b{color:var(--text);font-size:18px}
.res-target{margin-left:8px;color:var(--dim2);font-size:11px}
.res-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px;margin-bottom:14px}
.res-table th{font-size:10px;color:var(--dim2);letter-spacing:1px;padding:5px;border-bottom:1px solid var(--line);text-align:left}
.res-table td{padding:6px 5px;border-bottom:1px dashed #3a2a15;color:var(--text);text-align:left}
.res-table td:first-child{color:var(--dim)}
.res-table .best-cell{color:var(--cyan);font-weight:700}
.res-reward{margin:6px 0 12px;padding:11px;border-radius:12px;border:1px dashed var(--amber);color:var(--amber);font-size:12.5px;line-height:1.6}
.res-btns{display:flex;gap:10px}
.res-btns .modal-btn{margin-top:0}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .race-cols{grid-template-columns:1fr 1fr}
  .col-options{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}
  .race-meta{grid-column:1/-1}
}
@media (max-width:820px){
  #menuHeader{flex-wrap:wrap;gap:12px;padding:12px 14px}
  .series-summary{display:none}
  .tab-page{padding:12px 14px 8px}
  .race-cols{grid-template-columns:1fr}
  .col-options{display:flex;flex-direction:column}
  .garage-wrap{grid-template-columns:1fr}
  .garage-right{min-height:300px}
  .srow{grid-template-columns:30px 1fr 80px 60px}
  .srow-target{display:none}
  .hud-speed{font-size:30px}
  #minimap{width:110px;height:110px}
  .countdown{font-size:72px}
  .race-btn{font-size:17px;padding:13px 34px}
}