:root{
  --bg:#070617;
  --bg2:#14103a;
  --panel:rgba(18,16,46,.86);
  --panel2:rgba(30,25,68,.92);
  --ink:#f7f4ff;
  --muted:#bdb6df;
  --border:rgba(107,242,255,.24);
  --accent:#21f5ff;
  --accent2:#ff4fd8;
  --accent3:#ffe66d;
  --left:#33e7ff;
  --right:#ff8a3d;
  --good:#51ff9b;
  --bad:#ff5b6e;
  --warn:#ffe66d;
  --shadow:0 22px 70px rgba(0,0,0,.42),0 0 34px rgba(33,245,255,.08);
  --radius:24px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html{background:#050412}
body{min-height:100dvh;padding-bottom:calc(166px + env(safe-area-inset-bottom));font-size:16px;line-height:1.45;overflow-x:hidden;background:radial-gradient(circle at 14% -8%,rgba(255,79,216,.34),transparent 34%),radial-gradient(circle at 96% 4%,rgba(33,245,255,.28),transparent 32%),linear-gradient(160deg,var(--bg),var(--bg2) 58%,#070617)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%)}
button,input,select{font:inherit;min-height:44px;min-width:44px;max-width:100%}
button,.file{border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,rgba(35,30,78,.96),rgba(21,18,52,.96));color:var(--ink);padding:12px 16px;font-weight:850;letter-spacing:.01em;cursor:pointer;box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 0 0 1px rgba(255,79,216,.04),0 8px 24px rgba(0,0,0,.22);touch-action:manipulation}
button:active{transform:translateY(1px)}
button[aria-pressed="true"],button.active{border-color:rgba(33,245,255,.72);background:linear-gradient(135deg,rgba(33,245,255,.22),rgba(255,79,216,.18));color:#fff;box-shadow:0 0 22px rgba(33,245,255,.22),0 0 36px rgba(255,79,216,.08)}
button.primary{border-color:rgba(33,245,255,.74);background:linear-gradient(135deg,#10dff2,#9b5cff 54%,#ff4fd8);color:#070617;text-shadow:0 1px rgba(255,255,255,.22);box-shadow:0 10px 28px rgba(33,245,255,.2),0 0 34px rgba(255,79,216,.2)}
button.danger,.danger{border-color:rgba(255,91,110,.66);color:#fff;background:linear-gradient(135deg,rgba(255,91,110,.32),rgba(36,18,54,.98))}
input,select{width:100%;border:1px solid var(--border);border-radius:18px;background:rgba(7,6,23,.68);color:var(--ink);padding:12px 15px;font-weight:700;box-shadow:0 1px 0 rgba(255,255,255,.08) inset}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 12px) 52%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px}
input::placeholder{color:rgba(189,182,223,.68)}input[type="range"]{height:48px;padding:0;background:transparent;accent-color:var(--accent)}input[type="checkbox"]{width:44px;height:44px;margin:0;accent-color:var(--accent);flex:0 0 auto}
button:focus-visible,input:focus-visible,select:focus-visible,.file:focus-within{outline:3px solid var(--accent3);outline-offset:3px}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:200;background:var(--accent3);color:#070617;padding:10px;border-radius:12px;font-weight:900}
.app{display:flex;align-items:center;gap:11px;min-height:64px;padding:12px 18px 8px;position:sticky;top:0;z-index:40;background:linear-gradient(180deg,rgba(7,6,23,.92),rgba(7,6,23,.58));backdrop-filter:blur(18px);border-bottom:1px solid rgba(33,245,255,.12)}.app img{width:30px;height:30px;filter:drop-shadow(0 0 10px rgba(33,245,255,.45))}.app h1{font-size:21px;margin:0;font-weight:950;letter-spacing:-.045em}.app h1 span{color:var(--accent);text-shadow:0 0 14px rgba(33,245,255,.7)}.app small{margin-left:auto;color:var(--muted);font-size:12px;font-weight:800}
main{width:min(100%,780px);margin:0 auto;padding:10px 14px 34px}.view[hidden]{display:none}.view.active{display:block}.hero{padding:18px 2px 12px}.hero h2{font-size:clamp(32px,9.2vw,56px);line-height:.96;margin:6px 0 11px;letter-spacing:-.06em;text-shadow:0 0 28px rgba(33,245,255,.16)}.hero p{max-width:560px;color:var(--muted);font-weight:650}.eyebrow{margin:0 0 8px;color:var(--accent);text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:950;text-shadow:0 0 14px rgba(33,245,255,.5)}
.panel{background:linear-gradient(180deg,rgba(25,22,58,.92),rgba(13,12,34,.9));border:1px solid var(--border);border-radius:var(--radius);padding:19px;margin:16px 0;box-shadow:var(--shadow);overflow:hidden;position:relative}.panel::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:linear-gradient(135deg,rgba(33,245,255,.13),transparent 30%,rgba(255,79,216,.1) 74%,transparent)}.panel>*{position:relative}.panel h2,.panel h3{margin:.15rem 0 .9rem;letter-spacing:-.045em}.panel h2{font-size:clamp(30px,8vw,48px);line-height:1}.panel h3{font-size:clamp(22px,6vw,32px);line-height:1.08}.panel p{color:var(--muted);font-weight:650}.title-row,.trainer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.trainer-head b{font-size:clamp(28px,9vw,46px);line-height:1;color:var(--accent3);text-shadow:0 0 18px rgba(255,230,109,.42)}
.seg,.tempo,.transport,.ratings,.preset,.backup{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin:18px 0}.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(104px,1fr));align-items:stretch}.tempo{display:grid;grid-template-columns:minmax(76px,1fr) auto minmax(76px,1fr);align-items:center}.seg button,.tempo button{flex:1 1 92px}.tempo b{min-width:0;text-align:center;font-size:21px;color:var(--accent3);white-space:nowrap}.tempo.compact{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tempo.compact button{padding-inline:6px}.workout-lengths{display:grid;grid-template-columns:1fr;gap:16px}.workout-lengths button{padding-inline:12px}.transport button,.ratings button{flex:1 1 136px}.preset input{flex:1 1 190px}.preset button{flex:1 1 140px}.preset select{flex:1 1 200px}.backup button,.backup .file,.backup input{flex:1 1 200px}.file{display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.control-grid{display:grid;grid-template-columns:1fr;gap:15px;margin:14px 0}.control-grid label{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-weight:850}.control-grid label:has(input[type="checkbox"]){display:grid;grid-template-columns:44px 1fr;align-items:center;color:var(--ink);background:rgba(7,6,23,.48);border:1px solid var(--border);border-radius:18px;padding:12px 13px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0}.stats div{background:rgba(18,16,46,.74);border:1px solid var(--border);border-radius:20px;padding:14px 8px;text-align:center;box-shadow:0 10px 26px rgba(0,0,0,.22)}.stats b{display:block;font-size:clamp(24px,8vw,36px);letter-spacing:-.04em;color:var(--accent3)}.stats span{display:block;color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.04em}
.workout-card,.rud-item{border:1px solid var(--border);background:rgba(7,6,23,.5);border-radius:20px;padding:14px;margin:12px 0}.workout-card b,.rud-item b{display:block}.workout-card span,.rud-item span{display:block;color:var(--muted);font-size:14px}.workout-progress{height:14px;background:rgba(255,255,255,.08);border:1px solid var(--border);border-radius:999px;overflow:hidden}.workout-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2))}.big{font-size:clamp(44px,17vw,84px);line-height:1;font-weight:950;letter-spacing:-.06em;margin:14px 0;color:var(--ink);text-shadow:0 0 26px rgba(33,245,255,.16)}
.stick-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(54px,1fr));gap:10px;margin:18px 0}.note{min-height:56px;border-radius:18px;background:rgba(7,6,23,.62);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:950}.note.left{color:var(--left);text-shadow:0 0 13px rgba(51,231,255,.55)}.note.right{color:var(--right);text-shadow:0 0 13px rgba(255,138,61,.45)}.note.rest{color:#8680aa;background:rgba(255,255,255,.05)}.note.accent{box-shadow:0 0 0 3px rgba(255,230,109,.62) inset}.note.grace{font-size:12px;opacity:.84}.filters,.rud-list{display:flex;gap:12px;flex-wrap:wrap}.filters button{font-size:13px;padding-inline:12px}.rud-item{flex:1 1 164px;text-align:left;min-height:68px}
.lamps{display:flex;gap:9px;justify-content:center;margin:16px 0}.lamp{width:14px;height:14px;border-radius:999px;background:rgba(255,255,255,.15)}.lamp.on{background:var(--accent);box-shadow:0 0 16px rgba(33,245,255,.8)}.pads{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pads button{min-height:150px;border-radius:30px;font-size:56px}.pads #pad-l{border-color:rgba(51,231,255,.6);background:rgba(33,245,255,.12);color:var(--left)}.pads #pad-r{border-color:rgba(255,138,61,.62);background:rgba(255,138,61,.12);color:var(--right)}#bal-l,#bal-r{display:inline-block;height:12px;border-radius:999px;margin-top:12px}#bal-l{background:var(--left)}#bal-r{background:var(--right)}
#minutes-chart svg{width:100%;height:auto}.chart-summary,#listen-results p,#progress-details p{margin:.35rem 0;color:var(--muted)}#recent-sessions article,#full-sessions article{border-bottom:1px solid var(--border);padding:10px 0}#listen-disclosure{font-size:15px;line-height:1.45}.metro-actions{display:grid;grid-template-columns:1fr;gap:26px;margin:24px 0 18px}.metro-actions button{width:100%;min-height:58px}.metro-actions #m-tap-tempo{background:linear-gradient(180deg,rgba(18,16,46,.96),rgba(9,8,26,.98));border-color:rgba(255,230,109,.48);box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 0 0 5px rgba(7,6,23,.72),0 8px 24px rgba(0,0,0,.22)}.ratings [data-rating="clean"],#workout-ratings [data-workout-rating="clean"]{border-color:rgba(81,255,155,.6);color:#d9ffe9;background:rgba(81,255,155,.12)}.ratings [data-rating="failed"],#workout-ratings [data-workout-rating="failed"]{border-color:rgba(255,91,110,.66);color:#ffe1e5;background:rgba(255,91,110,.14)}
#stand-mode{position:fixed;inset:0;z-index:300;background:#050412;color:#f8fffc;display:grid;place-items:center;text-align:center;padding:28px}#stand-mode[hidden]{display:none}#downbeat{width:min(48vw,220px);height:min(48vw,220px);border-radius:50%;background:radial-gradient(circle,var(--accent3),var(--accent2));box-shadow:0 0 90px rgba(255,79,216,.6)}#stand-bpm{font-size:14vw;font-weight:950;letter-spacing:-.07em}#stand-current{font-size:24vw;font-weight:950}#stand-stop{position:fixed;left:18px;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));min-height:72px;font-size:26px}
#live-status{position:fixed;left:-999px}#durability-warning,#update-notice{position:fixed;z-index:180;left:12px;right:12px;top:max(8px,env(safe-area-inset-top));padding:12px;background:rgba(33,24,58,.98);border:2px solid var(--warn);border-radius:16px;box-shadow:var(--shadow)}
.tabs{position:fixed;z-index:100;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));background:rgba(7,6,23,.9);border-top:1px solid rgba(33,245,255,.2);backdrop-filter:blur(20px);box-shadow:0 -20px 50px rgba(0,0,0,.42),0 -1px 28px rgba(255,79,216,.12)}.tabs button{min-width:0;width:100%;min-height:52px;border:1px solid rgba(33,245,255,.22);background:rgba(21,18,52,.82);box-shadow:none;border-radius:18px;padding:8px 4px;font-size:clamp(11px,3vw,13px);font-weight:950;color:var(--muted);white-space:normal;line-height:1.05;letter-spacing:-.02em}.tabs button.active,.tabs button[aria-selected="true"]{background:linear-gradient(135deg,rgba(33,245,255,.24),rgba(255,79,216,.2));border-color:rgba(33,245,255,.72);color:#fff;box-shadow:0 0 18px rgba(33,245,255,.18)}.tabs button:focus-visible{outline-offset:2px}
@media (min-width:520px){.workout-lengths{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:680px){body{padding-bottom:112px}.panel{padding:24px}.control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tabs{left:50%;right:auto;bottom:16px;transform:translateX(-50%);width:min(720px,calc(100% - 28px));grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;border:1px solid rgba(33,245,255,.24);border-radius:28px;padding:10px}.tabs button{font-size:13px}.app{padding-inline:24px}}
@media (prefers-reduced-motion:no-preference){button,.note,.panel{transition:background .16s ease,border-color .16s ease,transform .08s ease,box-shadow .16s ease}}