*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{
    height:100%;margin:0;padding:0;
    width:100%;overflow:hidden;
}
body{
    background:#0b1020;
    color:#e8f1ff;
    font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
    -webkit-user-select:none;-moz-user-select:none;user-select:none;
    height:100vh;
    display:flex;
    flex-direction:column;
}
a{text-decoration:none;}

/* ============================================================
   顶部信息栏
   ============================================================ */
.app-header{
    flex:0 0 auto;
    display:flex;
    align-items:center;
    gap:10px;
    padding:6px 14px;
    background:linear-gradient(180deg,#1c2544 0%,#141c33 100%);
    border-bottom:2px solid #2b5dd6;
    box-shadow:0 2px 12px rgba(0,0,0,.5);
    position:relative;
    z-index:100;
    flex-wrap:nowrap;
    overflow-x:auto;
    overflow-y:hidden;
    scrollbar-width:none;
}
.app-header::-webkit-scrollbar{display:none;}
.brand{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.brand-icon{font-size:20px;line-height:1;filter:drop-shadow(0 0 6px rgba(255,90,90,.7));}
.brand-title{
    font-size:15px;font-weight:700;margin:0;letter-spacing:1px;
    background:linear-gradient(90deg,#ffd24a,#ff8c42);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    white-space:nowrap;
}
.hud{
    display:flex;align-items:center;gap:6px;
    flex:1 1 auto;justify-content:center;flex-wrap:nowrap;
    min-width:0;
}
.hud-item{
    display:inline-flex;align-items:center;gap:4px;
    padding:3px 9px;border-radius:6px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(120,160,255,.18);
    font-size:12px;white-space:nowrap;line-height:1.3;
    transition:background .2s,transform .15s;
}
.hud-item .glyphicon{font-size:12px;color:#7fb0ff;}
.hud-item em{font-style:normal;color:#8ea4cc;font-size:11px;}
.hud-item b{
    font-family:"Courier New",Consolas,monospace;
    font-size:14px;font-weight:700;color:#ffd24a;
    min-width:2ch;text-align:left;
}
.hud-item.bump{background:rgba(255,210,74,.18);transform:scale(1.08);}
.hud-item.life .glyphicon{color:#ff5a8a;}
.hud-item.combo .glyphicon{color:#ff8c42;}
.hud-item.acc .glyphicon{color:#2ed573;}
.hud-item.mode .glyphicon{color:#a55eea;}
.toolbar{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.toolbar .btn{
    padding:3px 10px;font-size:12px;border-radius:6px;
    background:rgba(43,93,214,.22);
    border:1px solid rgba(120,160,255,.35);
    color:#cfe0ff;line-height:1.6;
    transition:all .18s;
}
.toolbar .btn:hover,.toolbar .btn:focus{
    background:rgba(43,93,214,.5);color:#fff;
    border-color:#5c8dff;outline:none;
    box-shadow:0 0 12px rgba(92,141,255,.55);
}
.toolbar .btn .glyphicon{font-size:12px;margin-right:2px;}

/* ============================================================
   主舞台
   ============================================================ */
.app-main{
    flex:1 1 auto;
    position:relative;
    min-height:0;
    overflow:hidden;
    background:#4a90e2;
}
#stage{
    position:absolute;
    left:0;top:0;right:0;bottom:0;
    width:100%;height:100%;
}
#gameCanvas{
    display:block;
    width:100% !important;
    height:100% !important;
    position:absolute;
    left:0;top:0;
}
.stage-tip{
    position:absolute;left:50%;bottom:12px;
    transform:translateX(-50%);
    font-size:12px;color:rgba(255,255,255,.85);
    background:rgba(10,16,34,.55);
    padding:4px 14px;border-radius:20px;
    pointer-events:none;white-space:nowrap;
    transition:opacity .4s;
}
.stage-tip.hide{opacity:0;}

/* ============================================================
   通用弹出层
   ============================================================ */
.overlay{
    position:fixed;left:0;top:0;right:0;bottom:0;
    display:flex;
    align-items:flex-start;
    justify-content:center;
    background:rgba(6,10,24,.74);
    -webkit-backdrop-filter:blur(3px);
    backdrop-filter:blur(3px);
    z-index:3000;
    opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
    padding:16px;
    overflow-y:auto;
    overflow-x:hidden;
}
.overlay.show{opacity:1;visibility:visible;}
.overlay > .panel{margin:auto;}

.panel{
    background:linear-gradient(180deg,#ffffff 0%,#f2f6ff 100%);
    color:#1b2440;
    border-radius:16px;
    border:3px solid #2b5dd6;
    box-shadow:0 24px 70px rgba(0,0,0,.6),0 0 0 6px rgba(43,93,214,.12);
    width:100%;max-width:460px;
    padding:24px 22px 22px;
    text-align:center;
    position:relative;
    max-height:calc(100vh - 32px);
    overflow-y:auto;
    overflow-x:hidden;
    flex:0 0 auto;
}
.panel.wide{max-width:580px;}
.panel-title{font-size:22px;font-weight:800;margin:0 0 6px;letter-spacing:2px;color:#1b2440;}
.panel-sub{font-size:13px;color:#6b7c9e;margin:0 0 18px;line-height:1.6;}
.panel-hero{font-size:44px;line-height:1;margin:6px 0 10px;filter:drop-shadow(0 6px 10px rgba(0,0,0,.18));}
.panel-actions{display:flex;justify-content: center;gap:10px;margin-top:20px;}
.panel-actions .btn{border-radius:10px;font-weight:700;letter-spacing:1px;padding:10px 14px;font-size:15px;transition:transform .14s,box-shadow .18s;}
.panel-actions .btn:hover{transform:translateY(-2px);}
.btn-mario{background:linear-gradient(180deg,#ff5f5f,#e52521);border:2px solid #b71c1c;color:#fff;box-shadow:0 5px 0 #a01818,0 8px 18px rgba(229,37,33,.4);}
.btn-mario:hover,.btn-mario:focus{color:#fff;background:linear-gradient(180deg,#ff7070,#f03030);}
.btn-mario:active{transform:translateY(3px);box-shadow:0 2px 0 #a01818;}
.btn-ghost{background:#fff;border:2px solid #2b5dd6;color:#2b5dd6;box-shadow:0 4px 0 #c3d3f7;}
.btn-ghost:hover,.btn-ghost:focus{background:#eaf1ff;color:#1b3fa8;}
.btn-ghost:active{transform:translateY(2px);box-shadow:0 2px 0 #c3d3f7;}

.panel-close{
    position:absolute;right:10px;top:8px;
    background:transparent;border:none;
    font-size:20px;line-height:1;color:#93a4c4;
    cursor:pointer;padding:4px 8px;border-radius:8px;
    transition:color .15s,background .15s;
}
.panel-close:hover{color:#e52521;background:rgba(229,37,33,.08);}

.start-mascot{font-size:52px;line-height:1;margin-bottom:6px;animation:bounce 1.6s ease-in-out infinite;}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

.start-settings{
    margin:6px 0 4px;
    padding:4px 12px;
    background:#f6f9ff;
    border:1px solid #dbe6fa;
    border-radius:12px;
}

.pause-icon{font-size:46px;color:#2b5dd6;margin-bottom:8px;animation:pulse 1.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.72}}

.end-hero{font-size:52px;line-height:1;margin:4px 0 14px;}
.panel.win{border-color:#ffb400;box-shadow:0 24px 70px rgba(0,0,0,.6),0 0 46px rgba(255,210,74,.72);}
.panel.win .end-hero{animation:winPop .7s cubic-bezier(.2,1.6,.4,1) both;}
@keyframes winPop{0%{transform:scale(.3) rotate(-25deg);opacity:0}60%{transform:scale(1.22) rotate(8deg)}100%{transform:scale(1) rotate(0);opacity:1}}
.panel.lose{border-color:#ff5a5a;box-shadow:0 24px 70px rgba(0,0,0,.6),0 0 34px rgba(255,90,90,.5);}
.panel.lose{animation:panelShake .5s ease-in-out;}
@keyframes panelShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-10px)}40%{transform:translateX(9px)}60%{transform:translateX(-6px)}80%{transform:translateX(4px)}}
.panel.lose .end-hero{animation:loseDrop .8s ease-out both;}
@keyframes loseDrop{0%{transform:translateY(-30px) scale(1.3);opacity:0}100%{transform:translateY(0) scale(1);opacity:1}}

.result-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;
    margin:22px 0 8px;
}
.result-cell{
    background:#eef3ff;border:1px solid #d3e0fa;
    border-radius:12px;padding:14px 8px;
    display:flex;flex-direction:column;align-items:center;gap:4px;
    min-height:78px;justify-content:center;
}
.result-cell .glyphicon{font-size:18px;color:#2b5dd6;margin-bottom:2px;}
.result-cell span{font-size:11px;color:#6b7c9e;line-height:1;letter-spacing:.5px;}
.result-cell b{font-size:20px;font-family:"Courier New",monospace;color:#1b2440;line-height:1.2;margin-top:2px;}
.result-cell.hl{background:#fff7e0;border-color:#ffd24a;}
.result-cell.hl .glyphicon{color:#e08e00;}
.result-cell.hl b{color:#c47b00;}

.setting-row{
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;padding:11px 4px;
    border-bottom:1px dashed #dbe4f5;
    text-align:left;
}
.setting-row:last-child{border-bottom:none;}
.setting-row .label{
    font-size:13px;font-weight:700;color:#1b2440;
    display:flex;align-items:center;gap:7px;
}
.setting-row .label .glyphicon{color:#2b5dd6;font-size:14px;}
.seg{display:inline-flex;border:1px solid #c3d3f7;border-radius:8px;overflow:hidden;}
.seg button{border:none;background:#fff;color:#5b6c8f;font-size:12px;padding:5px 12px;cursor:pointer;transition:all .15s;line-height:1.5;}
.seg button.active{background:#2b5dd6;color:#fff;font-weight:700;}
.seg button:not(:last-child){border-right:1px solid #c3d3f7;}

.switch{
    position:relative;width:48px;height:26px;border-radius:13px;
    background:#c9d5ea;cursor:pointer;transition:background .2s;
    flex:0 0 auto;border:none;padding:0;
}
.switch::after{
    content:"";position:absolute;left:3px;top:3px;
    width:20px;height:20px;border-radius:50%;background:#fff;
    transition:transform .2s;box-shadow:0 1px 4px rgba(0,0,0,.25);
}
.switch.on{background:#2ed573;}
.switch.on::after{transform:translateX(22px);}

.rule-list{text-align:left;margin:0;padding:0;list-style:none;counter-reset:rule;}
.rule-list li{
    position:relative;padding:8px 4px 8px 32px;
    font-size:13px;line-height:1.65;color:#3a4a6b;
    border-bottom:1px dashed #e2e9f7;
}
.rule-list li:last-child{border-bottom:none;}
.rule-list li::before{
    counter-increment:rule;content:counter(rule);
    position:absolute;left:2px;top:9px;
    width:20px;height:20px;border-radius:50%;
    background:#2b5dd6;color:#fff;font-size:11px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
}
.rule-list kbd{
    background:#1b2440;color:#ffd24a;border-radius:4px;
    padding:1px 6px;font-size:12px;box-shadow:0 2px 0 #0d1424;
}

.fx-canvas{position:fixed;left:0;top:0;pointer-events:none;z-index:4000;display:none;}
.fx-canvas.show{display:block;}

#toastHost{
    position:fixed;left:0;top:0;right:0;bottom:0;
    display:flex;align-items:center;justify-content:center;
    pointer-events:none;z-index:5000;
}
.toast{
    pointer-events:none;
    background:rgba(16,24,48,.94);
    color:#fff;font-size:14px;font-weight:700;
    padding:12px 26px;border-radius:12px;
    border:2px solid #5c8dff;
    box-shadow:0 12px 36px rgba(0,0,0,.55),0 0 22px rgba(92,141,255,.5);
    opacity:0;transform:scale(.85);
    transition:opacity .26s cubic-bezier(.2,1.4,.5,1),transform .26s cubic-bezier(.2,1.4,.5,1);
    max-width:86vw;text-align:center;line-height:1.5;
    white-space:nowrap;
}
.toast.show{opacity:1;transform:scale(1);}
.toast.good{border-color:#2ed573;box-shadow:0 12px 36px rgba(0,0,0,.55),0 0 22px rgba(46,213,115,.6);}
.toast.bad{border-color:#ff5a5a;box-shadow:0 12px 36px rgba(0,0,0,.55),0 0 22px rgba(255,90,90,.6);}

/* ============================================================
   全屏：隐藏头部，canvas 自动铺满
   ============================================================ */
:fullscreen .app-header,
:-webkit-full-screen .app-header,
:-moz-full-screen .app-header,
:-ms-fullscreen .app-header{
    display:none !important;
}
:fullscreen body,
:-webkit-full-screen body{
    height:100vh;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:900px){
    .brand-title{font-size:13px;}
    .hud-item{padding:2px 6px;font-size:11px;}
    .hud-item em{display:none;}
    .hud-item b{font-size:13px;}
    .toolbar .btn{padding:2px 8px;font-size:11px;}
    .toolbar .btn span{display:none;}
}
@media (max-width:560px){
    .app-header{padding:5px 8px;gap:6px;}
    .brand-title{display:none;}
    .panel{padding:18px 14px 18px;border-radius:12px;}
    .panel-title{font-size:18px;}
    .result-grid{gap:10px;}
    .result-cell b{font-size:17px;}
    .seg button{padding:4px 8px;font-size:11px;}
}
@media (max-height:520px){
    .panel-hero,.end-hero{font-size:34px;}
    .panel-title{font-size:18px;}
    .panel{padding:14px;max-height:calc(100vh - 20px);}
}