:root {
  --bg: #071013;
  --bg2: #0c1a1e;
  --ink: #e8f3f1;
  --mute: #8aa3a3;
  --accent: #5ee6c8;
  --accent2: #9ff3df;
  --warm: #ffe2a8;
  --bad: #fb7185;
  --glass: rgba(255, 255, 255, 0.045);
  --line: rgba(159, 243, 223, 0.14);
  --r: 20px;
  --font: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font-family: var(--font); }
h1, h2, p { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.hidden { display: none !important; }
.grow { flex: 1; min-width: 0; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.center { justify-content: center; text-align: center; }
.muted { color: var(--mute); }
.hint { color: var(--mute); line-height: 1.5; }
.small { font-size: 0.85rem; }
.label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--mute); margin-top: 6px; }

.glow { position: fixed; inset: 0; pointer-events: none; background:
  radial-gradient(60vmax 40vmax at 15% -10%, rgba(94, 230, 200, 0.16), transparent 60%),
  radial-gradient(50vmax 40vmax at 100% 110%, rgba(255, 226, 168, 0.08), transparent 60%); }

.view { position: relative; max-width: 1240px; margin: 0 auto; padding: 28px 16px 48px; display: flex; flex-direction: column; gap: 22px; }
.top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand b { display: block; font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(180deg, #ffffff, var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand small { display: block; color: var(--mute); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; }
.logo { filter: drop-shadow(0 0 14px rgba(94, 230, 200, 0.35)); }
.today { color: var(--mute); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
.main { display: flex; flex-direction: column; gap: 14px; }
.side { display: flex; flex-direction: column; gap: 14px; }
.section { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: var(--mute); margin-top: 6px; }

.card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; text-align: left; box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05); }
button.card { transition: transform 0.18s, border-color 0.18s, background 0.18s; }
button.card:hover { transform: translateY(-2px); border-color: rgba(94, 230, 200, 0.45); background: rgba(94, 230, 200, 0.06); }

.programs { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.program { display: flex; align-items: center; gap: 14px; }
.program b { display: block; font-size: 1.1rem; }
.program small { display: block; color: var(--mute); margin-top: 3px; }
.play { width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; color: #04201b; background: linear-gradient(160deg, var(--accent2), var(--accent)); box-shadow: 0 0 22px rgba(94, 230, 200, 0.4); }

.exercises { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.exercise { display: flex; flex-direction: column; gap: 6px; min-height: 160px; }
.exercise b { font-size: 1.05rem; margin-top: 4px; }
.exercise small { color: var(--mute); line-height: 1.4; }
.exercise em { margin-top: auto; font-style: normal; font-size: 0.78rem; color: var(--accent); }
.badge { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: var(--accent2); background: rgba(94, 230, 200, 0.1); border: 1px solid var(--line); }

.panel { display: flex; flex-direction: column; gap: 10px; }
.panel h2 { font-size: 1.05rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--mute); font-size: 0.88rem; }
.chip[aria-pressed="true"] { color: #04201b; background: var(--accent); border-color: var(--accent); }
.range { width: 100%; accent-color: var(--accent); }
.info summary { cursor: pointer; font-weight: 600; }
.info p { color: var(--mute); line-height: 1.5; margin-top: 8px; }

.iconbtn { width: 42px; height: 42px; border-radius: 13px; border: 1px solid var(--line); background: var(--glass); display: grid; place-items: center; color: var(--ink); }
.iconbtn[aria-pressed="true"] { color: var(--accent); }
.btn { padding: 11px 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--glass); display: inline-flex; gap: 8px; align-items: center; justify-content: center; }
.btn.primary { color: #04201b; background: linear-gradient(160deg, var(--accent2), var(--accent)); border: none; font-weight: 700; }
.btn.big { padding: 14px 28px; font-size: 1.1rem; }

/* Übungsansicht im Vollbild */
.player { position: fixed; inset: 0; z-index: 10; display: flex; flex-direction: column; background: radial-gradient(ellipse at center, var(--bg2), #030708 75%); }
.player-top { display: flex; align-items: center; gap: 14px; padding: 14px 20px; }
.clock { font-variant-numeric: tabular-nums; color: var(--mute); font-size: 1.1rem; }
.progress { height: 3px; background: rgba(255, 255, 255, 0.06); }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 1s linear; }
.stage { position: relative; flex: 1; overflow: hidden; transition: background 1.2s; }
.stage.dim { background: #020405; }
.stage.dark { background: #000; }

.cue { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 24px; text-align: center; }
.cue.intro .icon { color: var(--accent2); }
.cue-title { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.02em; }
.cue-hint { color: var(--mute); max-width: 520px; line-height: 1.5; font-size: 1.05rem; }
.cue-hint.wide { max-width: 640px; }
.cue-count { font-size: 4rem; font-weight: 200; color: rgba(232, 243, 241, 0.35); font-variant-numeric: tabular-nums; }
.stage.dim .cue-title { color: rgba(232, 243, 241, 0.7); }
.stage.dark .cue-title, .stage.dark .cue-hint { color: rgba(232, 243, 241, 0.35); }

.dot { position: absolute; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff, var(--warm) 45%, #f0a53c); box-shadow: 0 0 26px rgba(255, 210, 140, 0.55); left: 50%; top: 50%; }
.dot.glide { transition: left 0.7s cubic-bezier(0.4, 0, 0.2, 1), top 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.dot.letter { width: 52px; height: 52px; margin: -26px 0 0 -26px; display: grid; place-items: center; color: #1a1205; font-weight: 800; font-size: 1.5rem; }
.dot.hit { box-shadow: 0 0 0 4px var(--accent), 0 0 26px rgba(94, 230, 200, 0.7); }
.dot.wrong { box-shadow: 0 0 0 4px var(--bad); }
.corner-note { position: absolute; top: 14px; right: 20px; color: var(--mute); font-variant-numeric: tabular-nums; }
.center-note { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); color: rgba(232, 243, 241, 0.25); font-size: 1.4rem; pointer-events: none; }
.center-note.low { top: auto; bottom: 150px; transform: translateX(-50%); color: var(--ink); }
.bottom-note { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); width: min(720px, calc(100% - 32px)); text-align: center; color: var(--mute); font-size: 0.92rem; line-height: 1.45; }
.bottom-bar { position: absolute; left: 0; right: 0; bottom: 90px; }

.ring-pair { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%); display: flex; transition: gap 0.6s; }
.ring { position: relative; width: 120px; height: 120px; border-radius: 50%; border: 10px solid var(--accent); box-shadow: 0 0 20px rgba(94, 230, 200, 0.3); }
.ring::after { content: ""; position: absolute; left: 50%; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; background: var(--warm); }
.ring.mark-top::after { top: 12px; }
.ring.mark-bottom::after { bottom: 12px; }

.eye { width: 220px; height: 120px; border-radius: 50%; border: 3px solid var(--accent2); display: grid; place-items: center; overflow: hidden; transition: transform 0.6s ease, opacity 0.6s; }
.eye .iris { width: 70px; height: 70px; border-radius: 50%; background: radial-gradient(circle at 40% 40%, #d9fff6, var(--accent) 55%, #0f5f66); }
.eye.closed { transform: scaleY(0.06); }
.eye.squeeze { transform: scaleY(0.04) scaleX(0.92); }

.noscript { padding: 40px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  button.card, .dot.glide, .eye, .ring-pair, .progress i { transition: none; }
}