/* ===========================================================
 * 雅思单词坠落 · 打字训练 —— 深色科技风
 * ========================================================= */
:root{
  --bg:#0b1020;
  --bg2:#0e1428;
  --panel:rgba(20,28,50,.72);
  --panel-b:rgba(80,130,220,.18);
  --txt:#e6edfa;
  --txt2:#a8b7d0;
  --dim:#6f7f9c;
  --neon:#38bdf8;
  --green:#22c55e;
  --amber:#facc15;
  --orange:#f97316;
  --red:#ef4444;
  --purple:#a855f7;
  --radius:14px;
}

*{box-sizing:border-box}
/* 关键：.mask{display:grid} / .row{display:flex} 会覆盖 UA 的 [hidden]{display:none}，
   导致暂停遮罩、自定义时长输入框永远可见。这里统一兜住。 */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0;
  background:radial-gradient(1200px 700px at 50% -10%, #16203c 0%, var(--bg) 55%, #070a14 100%);
  color:var(--txt);
  font-family:"Inter","Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  font-size:14px;
  overflow:hidden;
}
body.no-scroll{overflow:hidden}

/* 背景网格 */
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(90,140,220,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,220,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(900px 600px at 50% 20%,#000 30%,transparent 90%);
}
#app{position:relative;z-index:1;height:100%}

/* ---------------- 屏幕切换 ---------------- */
.screen{display:none;height:100%;overflow:auto}
.screen.active{display:block}
#scr-game.active{display:flex;flex-direction:column;overflow:hidden}

/* ---------------- 通用控件 ---------------- */
.btn{
  border:1px solid rgba(120,160,220,.28);
  background:rgba(30,42,72,.7);
  color:var(--txt);
  padding:9px 14px;border-radius:10px;cursor:pointer;
  font-size:13px;font-family:inherit;
  transition:.16s;
  white-space:nowrap;
}
.btn:hover{background:rgba(45,62,105,.85);border-color:rgba(56,189,248,.5);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary,.btn.btn-primary{
  background:linear-gradient(135deg,#0ea5e9,#2563eb);
  border-color:transparent;color:#fff;font-weight:600;
  box-shadow:0 6px 18px rgba(37,99,235,.35);
}
.btn.btn-primary:hover{box-shadow:0 8px 24px rgba(37,99,235,.5)}
.btn.ghost{background:rgba(24,32,56,.6)}
.btn.sm{padding:6px 10px;font-size:12px}
.btn.big{padding:14px;font-size:16px;font-weight:700;letter-spacing:1px}
.btn.block{width:100%}
.btn.danger{color:#fca5a5;border-color:rgba(239,68,68,.35)}
.btn.danger:hover{background:rgba(69,26,32,.8);border-color:rgba(239,68,68,.6)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.active-seg{background:linear-gradient(135deg,#0ea5e9,#2563eb);border-color:transparent;color:#fff;font-weight:600}

.input{
  background:rgba(10,16,32,.8);
  border:1px solid rgba(120,160,220,.25);
  color:var(--txt);border-radius:10px;padding:9px 12px;font-size:13px;
  font-family:inherit;outline:none;transition:.16s;
}
.input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.input.sm{padding:6px 10px;font-size:12px}
.input.file{padding:5px}
.input::placeholder{color:var(--dim)}

.row{display:flex;align-items:center}
.row.gap{gap:8px}
.row.wrap{flex-wrap:wrap}
.row.between{justify-content:space-between}
.row.center{justify-content:center}
.mt8{margin-top:8px}
.mt12{margin-top:12px}
.unit{color:var(--dim);font-size:12px;margin-left:6px}

.panel{
  background:var(--panel);
  border:1px solid var(--panel-b);
  border-radius:var(--radius);
  backdrop-filter:blur(6px);
  box-shadow:0 12px 30px rgba(0,0,0,.35);
}
.panel-head{
  padding:12px 16px;border-bottom:1px solid rgba(120,160,220,.14);
  font-weight:700;letter-spacing:.5px;
  background:linear-gradient(90deg,rgba(56,189,248,.10),transparent);
  border-radius:var(--radius) var(--radius) 0 0;
}
.panel-body{padding:16px}
.panel-foot{padding:10px 16px;border-top:1px solid rgba(120,160,220,.12);color:var(--txt2);font-size:12px;line-height:1.7}
.panel-center{max-width:520px;margin:8vh auto;padding:28px}
.divider{
  margin:18px 0 12px;font-size:12px;color:var(--dim);
  display:flex;align-items:center;gap:10px;letter-spacing:1px;
}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:rgba(120,160,220,.16)}
.hint{color:var(--dim);font-size:12px;margin-top:6px;line-height:1.6}
.hint code{background:rgba(10,16,32,.7);padding:1px 5px;border-radius:4px;color:#9fd2ff}
.field{margin-bottom:14px}
.field>label{display:block;font-size:12px;color:var(--txt2);margin-bottom:6px;letter-spacing:.5px}
.field>label b{color:var(--neon)}
.foot-tip{margin-top:16px;color:var(--dim);font-size:12px;text-align:center;line-height:1.7}

/* 分段按钮 */
.seg{display:flex;gap:6px}
.seg-btn{
  flex:1;background:rgba(20,28,50,.8);
  border:1px solid rgba(120,160,220,.2);
  color:var(--txt2);padding:8px;border-radius:9px;cursor:pointer;
  font-size:13px;font-family:inherit;transition:.16s;
}
.seg-btn:hover{color:var(--txt)}
.seg-btn.active{background:linear-gradient(135deg,#0ea5e9,#2563eb);color:#fff;border-color:transparent;font-weight:600}

/* 滑块 */
input[type=range]{
  width:100%;height:4px;-webkit-appearance:none;appearance:none;
  background:linear-gradient(90deg,#0ea5e9,#2563eb);
  border-radius:4px;outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;
  background:#eaf4ff;border:2px solid #0ea5e9;cursor:pointer;
  box-shadow:0 0 8px rgba(56,189,248,.6);
}
input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;
  background:#eaf4ff;border:2px solid #0ea5e9;cursor:pointer;
}

/* 开关 */
.switch{position:relative;display:inline-block;width:42px;height:22px}
.switch input{opacity:0;width:0;height:0}
.switch .slider{
  position:absolute;inset:0;cursor:pointer;background:rgba(60,75,110,.9);
  border-radius:22px;transition:.2s;
}
.switch .slider::before{
  content:"";position:absolute;height:16px;width:16px;left:3px;top:3px;
  background:#9fb2d0;border-radius:50%;transition:.2s;
}
.switch input:checked + .slider{background:linear-gradient(135deg,#0ea5e9,#2563eb)}
.switch input:checked + .slider::before{transform:translateX(20px);background:#fff}

/* 复选列表 */
.check-list{display:flex;flex-direction:column;gap:6px}
.check-list .ci{
  display:flex;align-items:center;gap:8px;
  padding:7px 10px;border-radius:9px;cursor:pointer;
  background:rgba(14,20,40,.6);border:1px solid rgba(120,160,220,.16);
  font-size:13px;transition:.16s;
}
.check-list .ci:hover{border-color:rgba(56,189,248,.4)}
.check-list .ci input{accent-color:#0ea5e9;width:15px;height:15px}
.check-list .ci.locked{opacity:.5;cursor:not-allowed}
.check-list .ci .ct{margin-left:auto;font-size:11px;color:var(--dim)}
.check-list .ci .lock{font-size:11px;color:var(--orange)}

/* ---------------- 用户页 ---------------- */
.brand{text-align:center;margin-bottom:20px}
.brand-logo{font-size:30px;font-weight:800;letter-spacing:2px;
  background:linear-gradient(135deg,#7dd3fc,#38bdf8,#a855f7);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand-logo span{color:#f472b6;-webkit-text-fill-color:#f472b6}
.brand-sub{color:var(--txt2);font-size:13px;letter-spacing:3px;margin-top:6px}
.block-title{font-size:13px;color:var(--txt2);margin-bottom:10px;letter-spacing:1px}
.user-list{display:flex;flex-direction:column;gap:8px}
.user-item{
  display:flex;align-items:center;gap:12px;padding:12px 14px;
  background:rgba(14,20,40,.7);border:1px solid rgba(120,160,220,.18);
  border-radius:11px;cursor:pointer;transition:.16s;
}
.user-item:hover{border-color:rgba(56,189,248,.55);transform:translateX(2px)}
.user-item .av{
  width:34px;height:34px;border-radius:9px;flex:none;
  display:grid;place-items:center;font-weight:700;font-size:15px;color:#06121f;
  background:linear-gradient(135deg,#7dd3fc,#38bdf8);
}
.user-item .un{flex:1}
.user-item .un b{display:block;font-size:14px}
.user-item .un small{color:var(--dim);font-size:11px}
.user-item .del{
  border:1px solid rgba(239,68,68,.35);background:transparent;color:#fca5a5;
  border-radius:8px;padding:5px 9px;cursor:pointer;font-size:12px;
}
.user-item .del:hover{background:rgba(69,26,32,.8)}
.empty-tip{color:var(--dim);text-align:center;padding:16px;font-size:13px}

/* ---------------- 顶栏 ---------------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;border-bottom:1px solid rgba(120,160,220,.14);
  background:rgba(11,16,32,.7);backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:5;
}
.tb-left{display:flex;align-items:center;gap:10px}
.tb-logo{font-weight:800;letter-spacing:1.5px;
  background:linear-gradient(135deg,#7dd3fc,#a855f7);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.tb-logo span{-webkit-text-fill-color:#f472b6}
.tb-sep{color:var(--dim)}
.tb-user{color:var(--txt2);font-size:13px}
.tb-right{display:flex;gap:8px}

/* ---------------- 主界面 ---------------- */
.home-grid{
  display:grid;grid-template-columns:minmax(340px,420px) 1fr;gap:18px;
  padding:18px 20px 40px;align-items:start;
}
@media(max-width:900px){.home-grid{grid-template-columns:1fr}}

.mini-stats{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.mini-stats.cols4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mini-stats .ms{
  flex:1;min-width:70px;text-align:center;padding:12px 8px;
  background:rgba(10,16,32,.6);border:1px solid rgba(120,160,220,.14);
  border-radius:11px;
}
.mini-stats .ms span{display:block;font-size:20px;font-weight:700;color:var(--neon)}
.mini-stats .ms label{font-size:11px;color:var(--dim);letter-spacing:.5px}

.review-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.chk-line{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--txt2)}
.chk-line input{accent-color:#0ea5e9}

/* ---------------- 游戏页 ---------------- */
#scr-game{position:relative}
.game-hud{
  display:flex;align-items:center;gap:18px;padding:10px 20px;
  background:rgba(11,16,32,.85);border-bottom:1px solid rgba(120,160,220,.14);
  flex:none;flex-wrap:wrap;
}
.hud-item{display:flex;align-items:baseline;gap:5px}
.hud-item label{font-size:11px;color:var(--dim);letter-spacing:1px}
.hud-item span{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.hud-item i{font-style:normal;font-size:11px;color:var(--dim)}
.hud-item.hud-dim span{font-size:13px;color:var(--txt2);font-weight:500}
.hud-item.hud-right{margin-left:auto;display:flex;gap:8px;align-items:center}
.hud-time{color:#7dd3fc}
.hud-time.warn{color:var(--red);animation:pulse .6s infinite}
.hud-combo{color:var(--amber)}
.hud-lives{color:var(--red);letter-spacing:2px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

#game-canvas{flex:1;width:100%;display:block;min-height:0}

.input-bar{
  flex:none;display:flex;align-items:center;gap:14px;padding:12px 20px;
  background:rgba(10,16,32,.9);border-top:1px solid rgba(120,160,220,.16);
}
.ib-label{font-size:11px;color:var(--dim);letter-spacing:2px}
.ib-text{
  flex:1;font-family:"JetBrains Mono",Consolas,monospace;font-size:22px;
  letter-spacing:1px;min-height:30px;color:var(--dim);
}
.ib-text .typed{color:var(--green);text-shadow:0 0 12px rgba(34,197,94,.5)}
.ib-text .rest{color:#7d90b3}
.ib-text .caret{display:inline-block;width:2px;height:20px;background:var(--neon);
  vertical-align:-3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.ib-tip{font-size:11px;color:var(--dim)}
.ib-tip.err{color:var(--red)}

.mask{
  position:absolute;inset:0;background:rgba(7,10,20,.82);
  display:grid;place-items:center;z-index:20;backdrop-filter:blur(3px);
}
.mask-box{text-align:center;padding:36px 48px;background:var(--panel);
  border:1px solid var(--panel-b);border-radius:16px}
.mask-title{font-size:26px;font-weight:800;color:var(--neon);letter-spacing:2px}
.mask-tip{color:var(--txt2);margin:10px 0 18px;font-size:13px}
.ime-warn{
  position:absolute;left:50%;bottom:96px;transform:translateX(-50%);
  background:rgba(69,26,32,.92);border:1px solid rgba(239,68,68,.5);
  color:#fecaca;padding:8px 16px;border-radius:10px;font-size:13px;z-index:15;
}

/* ---------------- 结算 / 统计 ---------------- */
.result-grid{
  display:grid;grid-template-columns:minmax(320px,420px) 1fr;gap:18px;
  padding:18px 20px 40px;align-items:start;
}
.stats-wrap{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));
  gap:18px;padding:18px 20px 40px;align-items:start;
}
.bank-wrap{
  display:grid;grid-template-columns:minmax(340px,1fr) minmax(340px,1fr);
  gap:18px;padding:18px 20px 40px;align-items:start;
}
@media(max-width:1000px){
  .result-grid,.bank-wrap{grid-template-columns:1fr}
}

.chart{width:100%;height:200px;display:block}
.chart.pie{height:190px}
.chart.bars{height:230px}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;justify-content:center}
.legend .lg-item,.chart-legend-inline{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--txt2)
}
.chart-legend-inline{margin-bottom:6px;gap:14px}
.legend i,.chart-legend-inline i{width:10px;height:10px;border-radius:3px;display:inline-block}
.legend b{color:var(--txt);font-weight:700}

.tbl-wrap{max-height:420px;overflow:auto;border-radius:10px}
.tbl-wrap.short{max-height:260px}
.tbl-wrap.tall{max-height:520px}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  text-align:left;padding:9px 12px;position:sticky;top:0;
  background:#131c33;color:var(--txt2);font-size:12px;
  border-bottom:1px solid rgba(120,160,220,.16);z-index:1;
}
.tbl td{padding:8px 12px;border-bottom:1px solid rgba(120,160,220,.08);vertical-align:top}
.tbl tr:hover td{background:rgba(56,189,248,.06)}
.tbl .w{font-family:"JetBrains Mono",Consolas,monospace;color:#cfe4ff}
.tbl .m{color:var(--txt2);font-size:12px}
.tbl .ph{color:var(--dim);font-size:12px}
.tbl .tagn{display:inline-block;font-size:10px;padding:1px 6px;border-radius:6px;
  background:rgba(56,189,248,.14);color:#8ecbf5;margin-left:4px}
.tbl .mv{font-variant-numeric:tabular-nums}
.tbl .up{color:var(--green)}
.tbl .dn{color:var(--red)}
.tbl .none{color:var(--dim)}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600}
.mbar{height:6px;border-radius:4px;background:rgba(120,160,220,.15);overflow:hidden;margin-top:4px;width:80px}
.mbar i{display:block;height:100%;border-radius:4px}

.bank-info{display:flex;flex-direction:column;gap:8px;font-size:13px}
.bank-info .bi{
  display:flex;align-items:center;gap:10px;padding:9px 12px;
  background:rgba(10,16,32,.6);border:1px solid rgba(120,160,220,.14);border-radius:10px;
}
.bank-info .bi .nm{flex:1}
.bank-info .bi .ct{color:var(--dim);font-size:12px}
.bank-info .bi .rm{border:none;background:transparent;color:#fca5a5;cursor:pointer;font-size:12px}

/* ---------------- Toast ---------------- */
.toast{
  position:fixed;left:50%;top:24px;transform:translate(-50%,-16px);
  background:rgba(16,24,44,.95);border:1px solid rgba(56,189,248,.4);
  color:var(--txt);padding:10px 18px;border-radius:11px;font-size:13px;
  opacity:0;pointer-events:none;transition:.22s;z-index:200;
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.ok{border-color:rgba(34,197,94,.5)}
.toast.err{border-color:rgba(239,68,68,.5)}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(120,160,220,.25);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:rgba(120,160,220,.45)}

/* ---------------- 语音反馈条 ---------------- */
.voice-feedback{
  position:absolute;left:50%;top:64px;transform:translate(-50%,-10px);
  background:rgba(16,24,44,.92);border:1px solid rgba(56,189,248,.35);
  color:var(--txt);padding:8px 16px;border-radius:11px;font-size:14px;
  opacity:0;pointer-events:none;transition:.18s;z-index:30;max-width:92%;
  text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.voice-feedback.show{opacity:1;transform:translate(-50%,0)}
.voice-feedback.ok{border-color:rgba(34,197,94,.55)}
.voice-feedback.warn{border-color:rgba(245,158,11,.6);color:#fde68a}
.voice-feedback.muted{border-color:rgba(148,163,184,.4);color:var(--dim)}

/* 麦克风开启态 */
#btn-mic.on{background:rgba(239,68,68,.18);border-color:#ef4444;color:#fca5a5}
#btn-mic.on::after{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#ef4444;margin-left:6px;vertical-align:middle;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* 键盘兜底输入框 */
.ib-type{margin-top:8px;width:min(420px,90%);text-align:center;letter-spacing:.5px}
.ib-text[hidden]{display:none}

/* ---------------- 安装提示条 ---------------- */
.install-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:150;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;
  background:rgba(11,18,32,.97);border-top:1px solid rgba(56,189,248,.35);
  color:var(--txt);padding:10px 14px;font-size:13px;
}
.install-bar[hidden]{display:none}
.install-bar span{flex:1;min-width:200px}
.install-bar .btn{margin:0}

/* ---------------- 移动端适配 ---------------- */
@media (max-width:720px){
  .home-grid{grid-template-columns:1fr;gap:14px}
  .game-hud{flex-wrap:wrap;gap:6px 10px;padding:8px 10px}
  .game-hud .hud-item{padding:3px 6px;min-width:auto}
  .game-hud .hud-item label{font-size:10px}
  .game-hud .hud-item span{font-size:15px}
  .game-hud .hud-right{width:100%;justify-content:flex-end}
  #game-canvas{height:62vh !important}
  .input-bar{padding:8px 10px}
  .voice-feedback{top:56px;font-size:13px}
  .panel-body{padding:14px}
  .topbar{padding:10px 12px}
  .mini-stats{grid-template-columns:repeat(2,1fr)}
}