:root{
    --page:#060a14;
    --hud-bg1:#16213f; --hud-bg2:#0b1224;
    --border:#22325a;  --border2:#2c4370;
    --text:#dbe6ff;    --muted:#6f86b5;
    --accent:#4dc3ff;  --gold:#ffd75e; --green:#7ee08a; --red:#e05252;
    --card1:#141f3a;   --card2:#0c1426;
    --key1:#22345c;    --key2:#131d33;
    --panel-bg1:rgba(24,36,68,.97);
    --panel-bg2:rgba(10,16,32,.97);
}
body[data-theme="night"]{
    --page:#060a14; --hud-bg1:#16213f; --hud-bg2:#0b1224;
    --border:#22325a; --border2:#2c4370;
    --text:#dbe6ff; --muted:#6f86b5;
    --accent:#4dc3ff; --gold:#ffd75e; --green:#7ee08a; --red:#e05252;
    --card1:#141f3a; --card2:#0c1426;
    --key1:#22345c; --key2:#131d33;
    --panel-bg1:rgba(24,36,68,.97); --panel-bg2:rgba(10,16,32,.97);
}
body[data-theme="warm"]{
    --page:#0d0705; --hud-bg1:#3a2418; --hud-bg2:#1f1209;
    --border:#5c3a22; --border2:#7a4f2e;
    --text:#ffe8d0; --muted:#b08a68;
    --accent:#ffa53d; --gold:#ffd75e; --green:#a8e06a; --red:#e05252;
    --card1:#2c1b10; --card2:#160d06;
    --key1:#4a2e1a; --key2:#28180d;
    --panel-bg1:rgba(58,36,24,.97); --panel-bg2:rgba(22,13,6,.97);
}
body[data-theme="forest"]{
    --page:#040d08; --hud-bg1:#132a1e; --hud-bg2:#08150f;
    --border:#224a34; --border2:#2f6347;
    --text:#d6f5e0; --muted:#6a9c7c;
    --accent:#4de08a; --gold:#ffd75e; --green:#7ee08a; --red:#e05252;
    --card1:#0f2418; --card2:#07130c;
    --key1:#1a3a28; --key2:#0d1f14;
    --panel-bg1:rgba(19,42,30,.97); --panel-bg2:rgba(7,19,12,.97);
}
body[data-theme="cyber"]{
    --page:#08040f; --hud-bg1:#2a1442; --hud-bg2:#120822;
    --border:#4a2470; --border2:#6a34a0;
    --text:#f0d9ff; --muted:#a07cc4;
    --accent:#ff4dd2; --gold:#ffe45e; --green:#4dffc3; --red:#ff5e7a;
    --card1:#1e0f33; --card2:#0d0619;
    --key1:#33184f; --key2:#1a0d29;
    --panel-bg1:rgba(42,20,66,.97); --panel-bg2:rgba(13,6,25,.97);
}
body[data-theme="light"]{
    --page:#eef2f8; --hud-bg1:#ffffff; --hud-bg2:#eef3fa;
    --border:#d3ddec; --border2:#b9c8dd;
    --text:#22314a; --muted:#7387a3;
    --accent:#2b7de9; --gold:#e8a800; --green:#18a558; --red:#d94b4b;
    --card1:#ffffff; --card2:#f4f7fc;
    --key1:#ffffff; --key2:#e8eef7;
    --panel-bg1:rgba(255,255,255,.98); --panel-bg2:rgba(238,243,250,.98);
}

*{box-sizing:border-box;}
html,body{
    height:100%;margin:0;padding:0;overflow:hidden;
    background:var(--page);
    -webkit-tap-highlight-color:transparent;
    -webkit-font-smoothing:antialiased;
    transition:background .35s ease;
}
body{
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
    color:var(--text);
    user-select:none;-webkit-user-select:none;
    transition:color .35s ease;
}
#apps{display:flex;flex-direction:column;height:100%;}

/* ---------- 顶部 HUD ---------- */
.hud{
    flex:0 0 auto;display:flex;align-items:center;gap:9px;
    padding:6px 12px;min-height:58px;
    background:linear-gradient(180deg,var(--hud-bg1) 0%,var(--hud-bg2) 100%);
    border-bottom:1px solid var(--border);
    box-shadow:0 2px 22px rgba(0,0,0,.5);
    position:relative;z-index:20;
    overflow-x:auto;overflow-y:hidden;scrollbar-width:none;
    transition:background .35s ease,border-color .35s ease;
}
.hud::-webkit-scrollbar{display:none;}

.hud-brand{
    display:flex;align-items:center;gap:6px;white-space:nowrap;
    font-size:15px;font-weight:700;color:var(--accent);flex:0 0 auto;
}
.hud-brand .logo{
    font-size:19px;filter:drop-shadow(0 0 8px var(--accent));
    animation:logoFloat 3.2s ease-in-out infinite;
}
@keyframes logoFloat{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-3px) rotate(-6deg)}}

.hud-target{
    flex:1 1 auto;min-width:170px;
    display:flex;align-items:center;gap:10px;
    height:42px;padding:0 14px;
    background:rgba(0,0,0,.28);
    border:1px solid var(--border2);border-radius:12px;
    box-shadow:inset 0 0 24px rgba(40,80,160,.16);
    white-space:nowrap;overflow:hidden;position:relative;
    transition:border-color .35s,box-shadow .35s;
}
body[data-theme="light"] .hud-target{background:rgba(255,255,255,.75);}
.hud-target.warn{
    border-color:#ff8a5c;
    box-shadow:0 0 18px rgba(255,138,92,.55), inset 0 0 24px rgba(255,120,60,.18);
}
.hud-label{font-size:11px;color:var(--muted);letter-spacing:2px;flex:0 0 auto;}
.tw{
    font-family:Consolas,Menlo,"Courier New",monospace;
    font-weight:700;font-size:21px;display:flex;gap:3px;
}
.tw i{
    font-style:normal;display:inline-block;
    transition:color .18s ease,text-shadow .18s ease,opacity .18s ease,transform .18s ease;
}
.tw .tw-done{color:var(--muted);opacity:.55;}
.tw .tw-next{
    color:var(--gold);
    text-shadow:0 0 15px var(--gold),0 0 32px rgba(255,180,40,.55);
    animation:twPulse .78s ease-in-out infinite;
}
.tw .tw-rest{color:var(--text);opacity:.82;}
@keyframes twPulse{
    0%,100%{transform:translateY(0) scale(1);}
    50%{transform:translateY(-4px) scale(1.13);}
}

.hud-stats{display:flex;gap:6px;flex:0 0 auto;}
.stat{
    display:flex;align-items:center;gap:5px;
    height:38px;padding:0 10px;min-width:70px;
    background:rgba(0,0,0,.26);
    border:1px solid var(--border);border-radius:10px;
    transition:border-color .2s,box-shadow .2s,background .35s;
}
body[data-theme="light"] .stat{background:rgba(255,255,255,.8);}
.stat .glyphicon{font-size:12px;color:var(--muted);}
.stat .si{font-size:11px;color:var(--muted);white-space:nowrap;}
.stat b{
    font-family:Consolas,Menlo,monospace;font-size:16px;font-weight:700;
    color:var(--accent);transition:color .15s;margin-left:auto;
}
.stat.gold b{color:var(--gold);}
.stat.green b{color:var(--green);}
.stat.flash{border-color:var(--accent);box-shadow:0 0 16px var(--accent);}
.stat.pop{animation:statPop .28s ease;}
@keyframes statPop{0%{transform:scale(1)}45%{transform:scale(1.14)}100%{transform:scale(1)}}

.hud-actions{display:flex;gap:6px;flex:0 0 auto;align-items:center;}
.btn-hud{
    height:36px;padding:0 12px;
    background:linear-gradient(180deg,var(--key1),var(--key2));
    border:1px solid var(--border2);color:var(--text);
    border-radius:10px;font-size:12.5px;line-height:1;
    transition:all .16s ease;white-space:nowrap;
}
.btn-hud .glyphicon{margin-right:4px;font-size:12px;}
.btn-hud:hover,.btn-hud:focus{
    color:#fff;border-color:var(--accent);outline:none;
    box-shadow:0 0 16px var(--accent);
    background:linear-gradient(180deg,var(--border2),var(--key2));
    transform:translateY(-1px);
}
.btn-hud:active{transform:translateY(1px) scale(.98);}
body[data-theme="light"] .btn-hud:hover{color:var(--accent);}

.stage{
    flex:1 1 auto;position:relative;min-height:0;overflow:hidden;
    background:var(--page);
    transition:background .35s ease;
}
#cv{position:absolute;left:0;top:0;display:block;}

/* ---------- 虚拟键盘 ---------- */
.vkbd-wrap{
    flex:0 0 auto;padding:7px 8px 11px;
    background:linear-gradient(180deg,var(--hud-bg2),var(--hud-bg1));
    border-top:1px solid var(--border);
}
.vkbd{display:flex;flex-direction:column;gap:5px;align-items:center;}
.vkbd-row{display:flex;gap:4px;justify-content:center;}
.vkbd-key{
    min-width:28px;height:34px;padding:0 6px;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(180deg,var(--key1),var(--key2));
    border:1px solid var(--border2);border-radius:8px;
    color:var(--text);font-family:Consolas,monospace;font-size:13px;font-weight:700;
    cursor:pointer;transition:all .1s;
}
.vkbd-key:active,.vkbd-key.on{
    background:var(--accent);color:#fff;transform:translateY(1px) scale(.96);
}
.vkbd-key.hot{
    border-color:var(--gold);color:var(--gold);
    box-shadow:0 0 12px var(--gold);
    animation:vkHot .8s ease-in-out infinite;
}
@keyframes vkHot{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}

/* ---------- 遮罩 ---------- */
.overlay{
    position:fixed;left:0;top:0;width:100%;height:100%;
    display:flex;align-items:center;justify-content:center;
    background:radial-gradient(circle at 50% 40%,rgba(20,34,70,.9),rgba(4,7,15,.97));
    z-index:60;animation:ovIn .28s ease;
}
@keyframes ovIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}
.panel-card{
    text-align:center;padding:34px 46px;max-width:92vw;max-height:92vh;overflow:auto;
    background:linear-gradient(180deg,var(--panel-bg1),var(--panel-bg2));
    border:1px solid var(--border2);border-radius:22px;
    box-shadow:0 26px 80px rgba(0,0,0,.8),inset 0 0 80px rgba(60,120,220,.1);
}
.panel-card h1{
    font-size:26px;margin:0 0 12px;color:var(--text);
    text-shadow:0 0 28px var(--accent);letter-spacing:2px;
}
.panel-card .sub{color:var(--muted);font-size:13.5px;line-height:2;margin:10px 0;}
.panel-card .hl{color:var(--gold);font-weight:700;}
.panel-card .sub .ico{font-size:16px;vertical-align:-2px;}
.btn-start{
    margin-top:18px;padding:12px 48px;font-size:17px;font-weight:700;
    background:linear-gradient(180deg,#3fa9ff,#1d6bd6);
    border:none;border-radius:13px;color:#fff;letter-spacing:3px;
    box-shadow:0 8px 30px rgba(63,169,255,.55);
    transition:all .2s;
}
.btn-start:hover{
    transform:translateY(-2px);color:#fff;
    box-shadow:0 13px 40px rgba(63,169,255,.8);
}
.btn-start:active{transform:translateY(0);}
.tip{color:var(--muted);font-size:12px;margin-top:14px;}

.result-grid{display:flex;gap:12px;justify-content:center;margin:18px 0 4px;flex-wrap:wrap;}
.result-item{
    min-width:94px;padding:10px 14px;
    background:rgba(0,0,0,.26);border:1px solid var(--border);border-radius:13px;
    animation:resultPop .35s cubic-bezier(.34,1.56,.64,1) both;
}
.result-item:nth-child(1){animation-delay:.05s;}
.result-item:nth-child(2){animation-delay:.1s;}
.result-item:nth-child(3){animation-delay:.15s;}
.result-item:nth-child(4){animation-delay:.2s;}
.result-item:nth-child(5){animation-delay:.25s;}
@keyframes resultPop{0%{opacity:0;transform:scale(.5) translateY(10px)}100%{opacity:1;transform:scale(1) translateY(0)}}
body[data-theme="light"] .result-item{background:rgba(255,255,255,.85);}
.result-item .k{font-size:11px;color:var(--muted);letter-spacing:1px;}
.result-item .k .glyphicon{margin-right:3px;}
.result-item .v{
    font-family:Consolas,monospace;font-size:24px;font-weight:700;
    color:var(--accent);margin-top:4px;
}
.result-item.gold .v{color:var(--gold);}
.result-item.green .v{color:var(--green);}

.over-title{font-size:22px;font-weight:700;letter-spacing:2px;margin:0 0 4px;}
.over-sub{font-size:13px;color:var(--muted);margin:0;}

/* ---------- Bootstrap 弹窗暗色皮肤 ---------- */
.modal-content.dark{
    background:linear-gradient(180deg,var(--card1),var(--card2));
    border:1px solid var(--border2);border-radius:18px;color:var(--text);
    box-shadow:0 26px 80px rgba(0,0,0,.85);
}
.modal-content.dark .modal-header{border-bottom:1px solid var(--border);padding:14px 18px;}
.modal-content.dark .modal-title{font-size:16px;font-weight:700;color:var(--accent);letter-spacing:1px;}
.modal-content.dark .modal-title .glyphicon{margin-right:6px;}
.modal-content.dark .modal-body{padding:18px;font-size:13px;line-height:1.9;color:var(--text);}
.modal-content.dark .modal-footer{border-top:1px solid var(--border);padding:12px 18px;}
.modal-content.dark .close{
    color:var(--muted);opacity:.9;text-shadow:none;font-size:22px;outline:none;
    transition:color .2s,transform .2s;
}
.modal-content.dark .close:hover,.modal-content.dark .close:focus{
    color:var(--red);opacity:1;outline:none;transform:rotate(90deg);
}

.rule-list{list-style:none;padding:0;margin:0;}
.rule-list li{
    padding:8px 0 8px 24px;position:relative;
    border-bottom:1px dashed rgba(120,150,200,.22);
}
.rule-list li:last-child{border-bottom:none;}
.rule-list li::before{content:"▸";position:absolute;left:6px;color:var(--accent);font-size:13px;}
.rule-list b{color:var(--gold);}
.rule-list em{font-style:normal;color:var(--green);font-weight:700;}
.rule-list .tag{
    display:inline-block;padding:1px 7px;margin-right:5px;border-radius:6px;
    font-size:11px;font-weight:700;vertical-align:1px;
}
.tag-mine{background:rgba(255,107,107,.18);color:#ff8080;border:1px solid rgba(255,107,107,.4);}
.tag-ice{background:rgba(143,216,255,.16);color:#8fd8ff;border:1px solid rgba(143,216,255,.4);}

.set-row{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 0;border-bottom:1px dashed rgba(120,150,200,.22);
}
.set-row:last-child{border-bottom:none;}
.set-row label{margin:0;font-weight:400;color:var(--text);cursor:pointer;font-size:13px;}
.set-row .desc{font-size:11px;color:var(--muted);display:block;margin-top:2px;}
.switch{position:relative;display:inline-block;width:46px;height:24px;flex:0 0 auto;}
.switch input{opacity:0;width:0;height:0;}
.slider{
    position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;
    background:var(--key2);border-radius:24px;transition:.25s;
    border:1px solid var(--border2);
}
.slider:before{
    content:"";position:absolute;height:18px;width:18px;left:2px;bottom:2px;
    background:var(--muted);border-radius:50%;transition:.25s;
}
input:checked + .slider{background:var(--accent);border-color:var(--accent);}
input:checked + .slider:before{transform:translateX(22px);background:#fff;}
.sel-dark{
    background:var(--key2);color:var(--text);border:1px solid var(--border2);
    border-radius:9px;padding:6px 10px;font-size:12.5px;outline:none;cursor:pointer;
}
.sel-dark:focus{border-color:var(--accent);}
.sel-dark option{background:var(--card1);color:var(--text);}

.more-games{
    display:inline-flex;align-items:center;gap:5px;
    padding:8px 18px;margin-right:10px;
    border:1px solid var(--border2);border-radius:11px;
    color:var(--accent);font-size:13px;text-decoration:none;
    transition:all .2s;vertical-align:middle;
}
.more-games:hover,.more-games:focus{
    color:#fff;background:var(--accent);border-color:var(--accent);
    text-decoration:none;box-shadow:0 0 18px var(--accent);
    transform:translateY(-1px);
}
.more-games .glyphicon{font-size:12px;}

.frost-badge{
    position:absolute;right:12px;bottom:12px;
    display:none;align-items:center;gap:7px;
    padding:7px 14px;border-radius:12px;
    background:rgba(30,90,150,.75);
    border:1px solid #8fd8ff;color:#dff4ff;
    font-size:13px;font-weight:700;letter-spacing:1px;
    box-shadow:0 0 22px rgba(143,216,255,.6);
    pointer-events:none;z-index:15;
    animation:frostPulse 1s ease-in-out infinite;
}
@keyframes frostPulse{
    0%,100%{box-shadow:0 0 16px rgba(143,216,255,.45);}
    50%{box-shadow:0 0 34px rgba(143,216,255,.9);}
}

.combo-milestone{
    position:absolute;left:50%;top:14%;transform:translateX(-50%);
    padding:8px 22px;border-radius:14px;
    background:linear-gradient(180deg,rgba(255,215,94,.9),rgba(255,140,40,.9));
    color:#1a0d00;font-weight:800;font-size:18px;letter-spacing:2px;
    box-shadow:0 0 40px rgba(255,180,40,.9);
    pointer-events:none;z-index:16;
    animation:comboMile 1.2s cubic-bezier(.34,1.56,.64,1) forwards;
}
@keyframes comboMile{
    0%{opacity:0;transform:translate(-50%,20px) scale(.5);}
    20%{opacity:1;transform:translate(-50%,0) scale(1.1);}
    70%{opacity:1;transform:translate(-50%,0) scale(1);}
    100%{opacity:0;transform:translate(-50%,-30px) scale(.95);}
}

@media (max-width:980px){
    .hud-brand .bname{display:none;}
    .hud-target{min-width:130px;padding:0 10px;}
    .tw{font-size:18px;}
    .stat{min-width:60px;padding:0 8px;height:36px;}
    .stat b{font-size:14px;}
    .stat .si{display:none;}
    .btn-hud{padding:0 9px;font-size:11.5px;}
    .btn-hud .glyphicon{margin-right:0;}
    .btn-hud .btxt{display:none;}
}
@media (max-width:640px){
    .hud{gap:6px;padding:5px 8px;min-height:52px;}
    .hud-target{min-width:104px;height:38px;}
    .tw{font-size:15px;}
    .hud-stats .stat:nth-child(n+5){display:none;}
    .panel-card{padding:26px 20px;}
    .panel-card h1{font-size:20px;}
    .btn-hud{height:32px;padding:0 8px;}
    .vkbd-key{min-width:24px;height:30px;font-size:12px;}
}
@media (max-height:480px){
    .vkbd-wrap{display:none !important;}
}