:root{--bg:#0b0f19;--bg-soft:#101624;--surface:#171d2e;--surface-2:#1e2639;--border:#ffffff14;--text:#f3f4f6;--text-dim:#9aa3b5;--text-faint:#5b6478;--accent:#f59e0b;--accent-2:#ef4444;--green:#34d399;--red:#ef4444;--radius:16px;--nav-h:64px;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);overscroll-behavior-y:none;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,sans-serif}#app{max-width:520px;min-height:100%;margin:0 auto}.page{padding:20px 18px calc(var(--nav-h) + var(--safe-bottom) + 24px);animation:.25s fadeUp}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-train{padding:0}.hidden{display:none!important}.btn{cursor:pointer;background:var(--surface-2);color:var(--text);-webkit-user-select:none;-moz-user-select:none;user-select:none;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:14px 22px;font-size:17px;font-weight:700;text-decoration:none;transition:transform .1s,opacity .2s,box-shadow .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;pointer-events:none}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a1200;box-shadow:0 8px 24px #ef444447}.btn-primary-outline{border:1.5px solid var(--accent);color:var(--accent);background:0 0}.btn-ghost{background:var(--surface);border:1px solid var(--border);color:var(--text-dim)}.btn-danger{color:#fca5a5;background:#ef444429;border:1px solid #ef44444d}.btn-lg{border-radius:18px;padding:18px 26px;font-size:20px}.btn-block{width:100%}.topbar{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-logo{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a1200;border-radius:12px;place-items:center;width:40px;height:40px;font-size:20px;font-weight:800;display:grid}.brand-name{letter-spacing:.5px;font-size:18px;font-weight:800}.brand-sub{color:var(--text-faint);margin-top:2px;font-size:11px}.hero{text-align:center;padding:26px 8px 12px}.hero .greeting{color:var(--text-dim);font-size:15px}.hero .quote{background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;max-width:90%;min-height:66px;margin:10px auto 4px;font-size:22px;font-weight:800;line-height:1.5}.streak-row{justify-content:center;gap:12px;margin:14px 0;display:flex}.chip{background:var(--surface);border:1px solid var(--border);color:var(--text-dim);border-radius:999px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;display:inline-flex}.chip b{color:var(--text);font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:18px}.card-title{color:var(--text-dim);align-items:center;gap:6px;margin-bottom:10px;font-size:13px;font-weight:700;display:flex}.progress-wrap{margin:14px 0 4px}.progress-label{color:var(--text-dim);justify-content:space-between;margin-bottom:8px;font-size:13px;display:flex}.progress-bar{background:var(--surface-2);border-radius:999px;height:12px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%;transition:width .4s}.progress-fill.done{background:linear-gradient(90deg,#34d399,#0ea5e9)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat .num{font-size:28px;font-weight:800}.stat .label{color:var(--text-dim);margin-top:4px;font-size:12px}.stat .sub{color:var(--text-faint);margin-top:2px;font-size:11px}.bottom-nav{max-width:520px;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border);z-index:50;background:#0f1420eb;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-faint);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:11px;text-decoration:none;display:flex}.nav-item .nav-ico{font-size:21px;line-height:1}.nav-item.active{color:var(--accent)}.nav-item.active .nav-ico{transform:translateY(-1px)scale(1.08)}.acc-group{margin-bottom:14px}.acc-head{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;text-align:left;width:100%;color:var(--text);align-items:center;gap:12px;padding:16px;font-size:16px;font-weight:700;display:flex}.acc-head .icon{font-size:22px}.acc-head .arrow{color:var(--text-faint);margin-left:auto;font-size:14px;transition:transform .25s}.acc-head.open .arrow{transform:rotate(180deg)}.acc-body{background:var(--surface-2);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);border-top:none;padding:16px;display:none}.acc-body.open{animation:.2s fadeUp;display:block}.acc-body h3{color:var(--accent);margin:12px 0 6px;font-size:14px}.acc-body h3:first-child{margin-top:0}.acc-body p{color:#cdd4e0;font-size:14px;line-height:1.75}.trick-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:18px}.trick-head{align-items:center;gap:12px;margin-bottom:10px;display:flex}.trick-icon{background:var(--surface-2);border-radius:14px;place-items:center;width:48px;height:48px;font-size:24px;display:grid}.trick-name{font-size:17px;font-weight:800}.trick-tag{color:var(--accent);background:#f59e0b1f;border:1px solid #f59e0b4d;border-radius:999px;margin-top:4px;padding:2px 10px;font-size:11px;display:inline-block}.trick-row{color:#cdd4e0;border-top:1px dashed var(--border);padding:8px 0;font-size:13.5px;line-height:1.7}.trick-row b{color:var(--text);margin-right:6px}.notice{border-radius:var(--radius);color:#e8d8b8;background:#f59e0b14;border:1px solid #f59e0b40;margin-bottom:16px;padding:16px;font-size:14px;line-height:1.7}.notice b{color:var(--accent)}.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:18px}.chart-svg{width:100%;height:auto;display:block}.chart-bar-wrap{justify-content:space-between;align-items:flex-end;gap:3px;height:120px;padding-top:8px;display:flex}.chart-bar{background:linear-gradient(180deg, var(--accent), var(--accent-2));opacity:.85;border-radius:4px 4px 0 0;flex:1;min-height:2px;position:relative}.chart-bar.empty{background:var(--surface-2);opacity:1}.chart-bar.today{box-shadow:0 0 0 2px var(--text)}.chart-labels{color:var(--text-faint);justify-content:space-between;margin-top:6px;font-size:10px;display:flex}.ach-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.ach{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:14px;padding:14px 8px}.ach.locked{opacity:.35;filter:grayscale()}.ach .ico{font-size:26px;display:block}.ach .nm{margin-top:6px;font-size:12px;font-weight:700;display:block}.ach .ds{color:var(--text-faint);margin-top:2px;font-size:10px;line-height:1.4;display:block}.rec-list{flex-direction:column;display:flex}.rec-item{border-bottom:1px dashed var(--border);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.rec-item:last-child{border-bottom:none}.rec-item .date{color:var(--text-dim);font-size:13px}.rec-item .reps{font-size:15px;font-weight:800}.rec-item .score{color:var(--green);font-size:12px}.field{align-items:center;gap:10px;margin-bottom:10px;display:flex}.field label{color:var(--text-dim);min-width:68px;font-size:14px}.field input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:12px;flex:1;padding:11px 14px;font-size:15px}.train-wrap{z-index:60;background:#05070d;flex-direction:column;max-width:520px;margin:0 auto;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.video-shell{background:#000;flex:1;position:relative;overflow:hidden}.video-shell video{object-fit:cover;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0;transform:scaleX(-1)}.video-shell canvas{width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0;transform:scaleX(-1)}.cam-mirror-fix{transform:scaleX(-1)}.hud{pointer-events:none;z-index:3;justify-content:space-between;align-items:flex-start;padding:12px 16px;display:flex;position:absolute;top:0;left:0;right:0}.hud-pill{border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-dim);background:#0a0e18b8;border-radius:12px;padding:8px 12px;font-size:13px}.hud-pill b{color:var(--text);font-size:16px}.rep-counter{text-align:right;z-index:3;pointer-events:none;position:absolute;bottom:90px;right:16px}.rep-counter .big{text-shadow:0 4px 24px #0009;background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:72px;font-weight:900;line-height:1}.rep-counter .small{color:var(--text-dim);margin-top:2px;font-size:14px}.depth-meter{border:1.5px solid var(--border);z-index:3;pointer-events:none;background:#0a0e1899;border-radius:20px;width:34px;height:150px;position:absolute;bottom:90px;left:16px;overflow:hidden}.depth-track{background:var(--green);opacity:.9;z-index:2;height:2px;position:absolute;top:50%;left:4px;right:4px}.depth-track-label{color:var(--green);text-align:center;font-size:8px;position:absolute;top:-1px;left:0;right:0;transform:translateY(-100%)}.depth-fill{background:linear-gradient(180deg, var(--accent), var(--accent-2));border-radius:999px;transition:height 80ms linear;position:absolute;bottom:5px;left:5px;right:5px}.warn-box{color:#fecaca;z-index:4;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ef444429;border:1px solid #ef444466;border-radius:14px;align-items:center;min-height:48px;padding:12px 16px;font-size:15px;font-weight:700;display:flex;position:absolute;bottom:18px;left:16px;right:16px}.warn-box.ok{color:#a7f3d0;background:#34d39924;border-color:#34d39966}.train-controls{background:var(--bg-soft);border-top:1px solid var(--border);padding:14px 18px calc(14px + var(--safe-bottom));align-items:center;gap:12px;display:flex}.set-progress{text-align:center;color:var(--text-dim);padding-bottom:4px;font-size:13px}.screen{padding:22px 18px calc(24px + var(--safe-bottom));flex-direction:column;max-width:520px;min-height:100%;margin:0 auto;display:flex}.screen h1{margin-bottom:6px;font-size:26px;font-weight:900}.screen .sub{color:var(--text-dim);margin-bottom:22px;font-size:14px}.mode-cards{flex-direction:column;gap:12px;display:flex}.mode-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;align-items:center;gap:14px;padding:16px;transition:border-color .15s;display:flex}.mode-card.selected{border-color:var(--accent)}.mode-card .ico{font-size:30px}.mode-card .t{font-size:16px;font-weight:800}.mode-card .d{color:var(--text-dim);margin-top:3px;font-size:12.5px;line-height:1.5}.preset-chips{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.preset-chip{background:var(--surface);border:1.5px solid var(--border);cursor:pointer;color:var(--text-dim);border-radius:999px;padding:9px 16px;font-size:14px}.preset-chip.selected{border-color:var(--accent);color:var(--accent);font-weight:700}.cam-guide{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-dim);margin-bottom:16px;padding:16px;font-size:13.5px;line-height:1.8}.cam-guide b{color:var(--text)}.result-hero{text-align:center;padding:28px 0 10px}.result-num{background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:90px;font-weight:900;line-height:1}.result-label{color:var(--text-dim);margin-top:6px;font-size:16px}.result-msg{text-align:center;margin:14px 0 20px;font-size:17px;font-weight:800}.result-score-ring{justify-content:center;margin:16px 0;display:flex}.result-stats{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:22px;display:grid}.badge-pop{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a1200;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:800;animation:.5s pop;display:inline-block}@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.12)}to{transform:scale(1)}}#toast{background:var(--surface-2);border:1px solid var(--accent);color:var(--text);z-index:100;text-align:center;pointer-events:none;border-radius:999px;max-width:90%;padding:10px 20px;font-size:14px;transition:transform .25s;position:fixed;top:18px;left:50%;transform:translate(-50%)translateY(-80px)}#toast.show{transform:translate(-50%)translateY(0)}.ach-banner{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a1200;z-index:101;text-align:center;border-radius:16px;padding:14px 22px;font-weight:800;transition:transform .35s cubic-bezier(.34,1.56,.64,1);position:fixed;top:18px;left:50%;transform:translate(-50%)translateY(-100px);box-shadow:0 12px 32px #0006}.ach-banner.show{transform:translate(-50%)translateY(0)}.ach-banner .a-ico{margin-bottom:4px;font-size:26px;display:block}.spacer{flex:1}.empty-state{text-align:center;color:var(--text-faint);padding:30px 0;font-size:14px}.empty-state .e-ico{margin-bottom:10px;font-size:40px;display:block}.record-item-flex{justify-content:space-between;align-items:center;gap:10px;display:flex}select.field-input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:12px;flex:1;padding:11px 14px;font-size:15px}