:root{
  --bg:#0d1324; --bg2:#121a30; --panel:#161f38; --panel2:#1c2744; --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.14);
  --ink:#f1f3fa; --muted:#a3adc4; --dim:#6f7a94;
  --delta:#8aa8ff; --theta:#7ad0d6; --alpha:#a6dfa8; --beta:#f5c86b; --gamma:#f0a1c6;
  --acc:#ffb48a; --acc2:#7ad0d6; --r:22px;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]){ --bg:#f3f1ec; --bg2:#ebe8e1; --panel:#ffffff; --panel2:#f7f5f0; --line:rgba(30,30,50,.08); --line2:rgba(30,30,50,.16); --ink:#1b1f33; --muted:#5f6880; --dim:#8c94a8 } }
:root[data-theme="light"]{ --bg:#f3f1ec; --bg2:#ebe8e1; --panel:#ffffff; --panel2:#f7f5f0; --line:rgba(30,30,50,.08); --line2:rgba(30,30,50,.16); --ink:#1b1f33; --muted:#5f6880; --dim:#8c94a8 }
:root[data-theme="dark"]{ --bg:#0d1324; --bg2:#121a30; --panel:#161f38; --panel2:#1c2744; --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.14); --ink:#f1f3fa; --muted:#a3adc4; --dim:#6f7a94 }
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:500;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;
  background-image:radial-gradient(800px 420px at 20% -5%,rgba(255,180,138,.10),transparent 60%),radial-gradient(700px 420px at 90% 10%,rgba(122,208,214,.10),transparent 60%);background-attachment:fixed}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:14px 16px 10px}
.hwrap{max-width:820px;margin:0 auto}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.brand{display:flex;align-items:center;gap:10px}
.brand h1{font-size:1.25rem;font-weight:800;margin:0;letter-spacing:-.01em}
.brand .wave{width:34px;height:18px;display:block}
.brand .wave path{fill:none;stroke:var(--acc);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:40 20;animation:flow 3s linear infinite}
@keyframes flow{to{stroke-dashoffset:-120}}
.dc{font:inherit;font-weight:700;font-size:.84rem;border:0;border-radius:999px;padding:9px 15px;background:var(--panel2);color:var(--ink);cursor:pointer;transition:background .2s}
.dc:hover{background:var(--panel)}
nav{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;background:var(--panel);padding:5px;border-radius:18px}
nav button{display:flex;flex-direction:column;align-items:center;gap:1px;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:700;font-size:.88rem;padding:9px 2px;border-radius:14px;cursor:pointer;transition:color .2s,background .2s}
nav button small{font-size:.66rem;font-weight:600;color:var(--dim);letter-spacing:.04em}
nav button.on{color:var(--ink);background:var(--panel2);box-shadow:inset 0 -3px 0 var(--c)}
nav button.on small{color:var(--c)}

/* layout */
main{max-width:820px;margin:0 auto;padding:18px 16px 240px}
section{display:none}section.on{display:block;animation:rise .25s ease-out}
@keyframes rise{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
h2{font-size:1.65rem;font-weight:800;margin:8px 0 4px;letter-spacing:-.02em}
h3{font-size:1rem;font-weight:800;color:var(--ink);margin:22px 0 10px}
.sub{color:var(--muted);font-size:.93rem;margin:0 0 14px;line-height:1.55}
.note{color:var(--muted);font-size:.85rem;margin-top:12px;line-height:1.55}
.card{background:var(--panel);border-radius:var(--r);padding:18px;margin-bottom:14px;box-shadow:0 12px 30px rgba(0,0,0,.14)}
.card h3{margin-top:0}
details.sub{background:var(--panel);border-radius:16px;padding:12px 16px;margin-bottom:14px}
details summary{cursor:pointer;color:var(--ink);font-weight:700;list-style:none;display:flex;align-items:center;gap:8px}
details summary::before{content:"›";display:inline-block;transition:transform .2s;color:var(--muted)}
details[open] summary::before{transform:rotate(90deg)}
details p{margin:8px 0}

/* inputs */
input[type=time],input[type=text],textarea,select{width:100%;font:inherit;background:var(--bg2);color:var(--ink);border:2px solid transparent;border-radius:14px;padding:11px 13px;resize:vertical;transition:border-color .2s}
input[type=time]{font-size:1.5rem;font-weight:700;width:auto;padding:6px 12px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--acc2)}
.tabs2{display:flex;gap:4px;background:var(--bg2);padding:4px;border-radius:14px;margin-bottom:16px}
.tabs2 button{flex:1;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:700;padding:10px;border-radius:11px;cursor:pointer;transition:all .2s}
.tabs2 button[aria-pressed="true"]{background:var(--panel2);color:var(--ink)}
.latency,.ctl2{color:var(--muted);font-size:.88rem;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0}
.latency{margin:14px 0 20px}
input[type=range]{flex:1;min-width:100px;accent-color:var(--acc2);height:4px}
input[type=checkbox]{accent-color:var(--acc2);width:17px;height:17px}
.sl{display:grid;grid-template-columns:120px 1fr 64px;gap:10px;align-items:center;color:var(--muted);font-size:.86rem;margin:8px 0}
.sl b{color:var(--ink);font-weight:700;text-align:right;font-size:.86rem}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.chips button{font:inherit;font-weight:700;font-size:.86rem;background:var(--bg2);color:var(--muted);border:2px solid transparent;border-radius:999px;padding:8px 14px;cursor:pointer;display:flex;gap:6px;align-items:baseline;transition:all .2s}
.chips button small{color:var(--dim);font-size:.74rem;font-weight:600}
.chips button:hover{color:var(--ink)}
.chips button.on{border-color:var(--acc2);color:var(--ink);background:color-mix(in srgb,var(--acc2) 14%,var(--bg2))}
.big{width:100%;font:inherit;font-weight:800;font-size:1rem;padding:14px;border:0;border-radius:16px;background:var(--acc);color:#2a1a10;cursor:pointer;transition:filter .2s,transform .1s;box-shadow:0 8px 20px rgba(255,180,138,.2)}
.big:hover{filter:brightness(1.05)}.big:active{transform:translateY(1px)}
.stop{font:inherit;font-weight:700;font-size:.86rem;padding:9px 16px;border:0;border-radius:12px;background:var(--panel2);color:var(--ink);cursor:pointer;transition:all .2s}
.stop:hover{filter:brightness(1.1)}
.ctl2 .big{flex:1;width:auto}
.add{display:block;text-align:center;border:2px dashed var(--line2);color:var(--muted);border-radius:16px;padding:13px;margin:-8px 0 14px;cursor:pointer;font-weight:700;font-size:.92rem;transition:all .2s}
.add:hover{border-color:var(--acc2);color:var(--ink)}
.add input{display:none}

/* reloj */
.list{display:flex;flex-direction:column;gap:8px}
.row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;background:var(--panel);border-radius:18px;padding:14px 18px;position:relative;overflow:hidden;border:2px solid transparent;transition:border-color .2s}
.row.goal{border-color:color-mix(in srgb,var(--alpha) 50%,transparent)}
.row.short{opacity:.7}
.time{font-size:2.1rem;font-weight:800;letter-spacing:-.02em}
.meta{color:var(--muted);font-size:.86rem;line-height:1.35;text-align:right;font-weight:600}
.bars{display:flex;gap:3px}.bars span{width:7px;height:22px;border-radius:4px;background:var(--delta)}
.row.goal .bars span{background:var(--alpha)}.row.short .bars span{background:var(--beta)}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.week label{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--panel);border-radius:14px;padding:10px 3px;font-size:.78rem;font-weight:800;color:var(--muted);border:2px solid transparent}
.week input{width:100%;font:inherit;font-weight:700;font-size:.82rem;background:var(--bg2);color:var(--ink);border:0;border-radius:8px;padding:6px 2px;text-align:center}
.week label.tm{border-color:var(--alpha);color:var(--ink)}

/* pistas */
.tracks{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px}
@media (min-width:640px){.tracks{grid-template-columns:1fr 1fr 1fr}.tracks .wide{grid-column:span 3}}
.tracks button{position:relative;font:inherit;text-align:left;background:var(--panel);color:var(--ink);border:2px solid transparent;border-radius:18px;padding:13px 14px 13px 16px;cursor:pointer;min-height:72px;line-height:1.4;overflow:hidden;transition:border-color .2s,transform .15s,background .2s}
.tracks button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c);border-radius:0 4px 4px 0;opacity:.9}
.tracks button b{display:block;font-weight:800;font-size:.95rem;margin-bottom:2px}
.tracks button small{color:var(--muted);font-size:.8rem;font-weight:600}
.tracks button:hover{transform:translateY(-1px)}
.tracks button.on{border-color:var(--c);background:color-mix(in srgb,var(--c) 10%,var(--panel))}
.tracks button.on b::after{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c);margin-left:8px;vertical-align:middle;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
.tracks .wide{grid-column:1/-1}
.tracks button[disabled]{cursor:default;opacity:.55}
.fav::after{content:" ★";color:var(--beta)}
.custom button,#mList button{padding-right:40px}
.custom .del,#mList .del{position:absolute;right:6px;top:6px;background:transparent;border:0;color:var(--muted);font-size:1rem;padding:6px 8px;cursor:pointer;border-radius:8px}
.custom .del:hover,#mList .del:hover{color:var(--ink);background:var(--bg2)}
.seq{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.seq span{background:var(--bg2);border-left:4px solid var(--c);border-radius:10px;padding:7px 11px;font-size:.84rem;font-weight:700}
.seq span small{color:var(--dim);margin-left:4px}
.seq span.rm{cursor:pointer}
.why{font-size:.93rem;line-height:1.55;margin:10px 0;color:var(--ink)}
.wake{font-size:1.75rem;font-weight:800}
.qpos{font-size:.8rem;color:var(--muted)}
#plan,#nPlan{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
#plan:empty,#nPlan:empty{display:none}
.preset{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;background:var(--bg2);border-radius:14px;padding:12px;margin-bottom:8px}
.preset b{font-weight:800}.preset small{display:block;color:var(--muted);margin-top:2px;font-weight:600}
.preset button{font:inherit;font-weight:800;border:0;border-radius:10px;padding:9px 13px;cursor:pointer;background:var(--acc);color:#2a1a10}
.preset .x{background:transparent;color:var(--muted)}
.role{display:none}
ol.sub{padding-left:1.2em;line-height:1.75;margin:0 0 16px}
canvas#cPrev,canvas#nPrev,canvas#fPrev{width:100%;display:block;margin:10px 0 12px;border-radius:12px;background:var(--bg2)}
.alarm{padding:5px 10px;font-size:.78rem;margin-top:4px}

/* reproductor */
.player{position:fixed;left:0;right:0;bottom:0;z-index:6;padding:0 12px calc(10px + env(safe-area-inset-bottom,0px))}
.pin{max-width:820px;margin:0 auto;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:22px;padding:12px 16px;box-shadow:0 -8px 40px rgba(0,0,0,.35)}
.now{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.hz{font-size:1.4rem;font-weight:800}
.band{font-weight:700;font-size:.9rem;text-align:right}
.clock{color:var(--muted);font-size:.8rem;white-space:nowrap;font-weight:700}
canvas#cv{width:100%;height:54px;display:block;margin:8px 0;border-radius:10px;background:var(--bg2)}
.ctl{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.9rem}
.ctl .stop{background:var(--acc);color:#2a1a10;font-weight:800}

/* sin ruido */
#dis{position:fixed;inset:0;z-index:20;background:#070a14;color:#c9d3e0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:calc(24px + env(safe-area-inset-top,0px)) 24px calc(24px + env(safe-area-inset-bottom,0px));text-align:center}
#dis.on{display:flex}
#dis .big{font-size:4.5rem;font-weight:800;color:#fff;background:none;width:auto;padding:0;letter-spacing:-.03em;box-shadow:none}
#dis .t{color:#6b7a90;font-size:.95rem;line-height:1.6}
#dis button{font:inherit;font-weight:700;border:1px solid #1c2636;background:transparent;color:#c9d3e0;border-radius:999px;padding:12px 24px;cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}