@font-face {
  font-family: "Noto Music";
  src: url("/static/fonts/noto-music.woff2") format("woff2");
  font-display: block;
}

:root {
  --paper: #f3ede2;
  --paper-2: #ebe3d4;
  --card: #fbf8f2;
  --ink: #1d1a16;
  --ink-2: #5b544a;
  --line: #d9cfbd;
  --accent: #233a33;      /* tiefes Tannengrün */
  --accent-ink: #f3ede2;
  --ok: #2f7a4f;
  --ok-bg: #dcefe2;
  --bad: #b23a2e;
  --bad-bg: #f6dcd6;
  --gold: #b88a2c;
  --white-key: #fffdf8;
  --black-key: #1d1a16;
  --key-edge: #b9ae9b;
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 8px 24px -12px rgba(40,30,10,.25);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --music: "Noto Music", "Bravura Text", "Segoe UI Symbol", serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171a18;
    --paper-2: #1f2320;
    --card: #222724;
    --ink: #ece6da;
    --ink-2: #a39d91;
    --line: #3a403b;
    --accent: #c9b98f;
    --accent-ink: #171a18;
    --ok: #6cc28f;
    --ok-bg: #20392a;
    --bad: #ef8577;
    --bad-bg: #432722;
    --gold: #d9b45a;
    --white-key: #e9e3d6;
    --black-key: #0d0f0e;
    --key-edge: #6b6558;
    --shadow: 0 1px 0 rgba(0,0,0,.2), 0 10px 30px -14px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.45 var(--sans);
  min-height: 100vh;
}
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }
.glyph { font-family: var(--music); font-size: 1.25em; line-height: 0; vertical-align: -0.1em; }

/* ---------- Kopfzeile ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  font-family: var(--music); font-size: 30px; line-height: 1;
  color: var(--accent); margin-top: -4px;
}
.brand-name { font: 600 22px/1 var(--serif); letter-spacing: .01em; }
.tabs { display: flex; gap: 4px; margin-left: 8px; }
.tab {
  background: none; border: 0; padding: 8px 14px; border-radius: 999px;
  color: var(--ink-2); font-weight: 500;
}
.tab.active { background: var(--paper-2); color: var(--ink); }
.player { margin-left: auto; display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 13px; }
.player input {
  width: 140px; padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-size: 14px;
}

main { max-width: 1180px; margin: 0 auto; padding: 18px 28px 32px; }

/* ---------- Einstellungen ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: flex-end; }
.control { display: flex; flex-direction: column; gap: 6px; }
.control-label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; }
.seg {
  display: inline-flex; background: var(--paper-2); border-radius: 10px; padding: 3px; gap: 2px;
}
.seg button {
  border: 0; background: none; padding: 7px 12px; border-radius: 8px; color: var(--ink-2);
  white-space: nowrap; font-size: 14px;
}
.seg button.active { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); font-weight: 600; }
.seg.disabled { opacity: .5; pointer-events: none; }
.toggles { flex-direction: row; align-items: center; gap: 16px; margin-left: auto; }
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; user-select: none; }
.switch input {
  appearance: none; width: 34px; height: 20px; border-radius: 999px; background: var(--line);
  position: relative; transition: background .15s; flex: none; margin: 0; cursor: pointer;
}
.switch input::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--card); transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.switch input:checked { background: var(--accent); }
.switch input:checked::after { transform: translateX(14px); }
.icon-btn {
  border: 1px solid var(--line); background: var(--card); width: 36px; height: 36px; border-radius: 10px;
  font-size: 17px; display: grid; place-items: center;
}

/* ---------- HUD ---------- */
.hud { display: flex; gap: 10px; margin: 16px 0 12px; flex-wrap: wrap; }
.hud-item {
  display: flex; align-items: baseline; gap: 7px;
  padding: 6px 12px; border-radius: 10px; background: var(--paper-2);
}
.hud-val { font: 600 19px/1 var(--serif); font-variant-numeric: tabular-nums; }
.hud-val.ok { color: var(--ok); } .hud-val.bad { color: var(--bad); }
.hud-lbl { font-size: 12px; color: var(--ink-2); }
.hud-item.timer { margin-left: auto; background: var(--accent); color: var(--accent-ink); }
.hud-item.timer .hud-lbl { color: inherit; opacity: .8; }
.hud-item.timer.urgent { background: var(--bad); color: #fff; }

/* ---------- Bühne ---------- */
.stage { display: flex; flex-direction: column; align-items: center; }
.card {
  position: relative; width: 100%; max-width: 560px;
  background: var(--card); border-radius: 18px; box-shadow: var(--shadow);
  padding: 10px 18px 10px; text-align: center;
  transition: box-shadow .2s, transform .2s;
}
.card.flash-ok { box-shadow: 0 0 0 3px var(--ok), var(--shadow); }
.card.flash-bad { box-shadow: 0 0 0 3px var(--bad), var(--shadow); animation: shake .32s; }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.prompt { min-height: 200px; display: grid; place-items: center; }
.prompt svg { width: 100%; height: auto; max-height: 270px; display: block; }
.staff-line { stroke: var(--ink); stroke-width: 1.1; }
.ledger { stroke: var(--ink); stroke-width: 1.6; }
.clef, .acc { font-family: var(--music); fill: var(--ink); }
.brace { fill: var(--ink); }
.note-head { fill: var(--ink); transition: fill .15s; }
.note-hole { fill: var(--card); }
.card.flash-ok .note-head { fill: var(--ok); }
.card.flash-bad .note-head { fill: var(--bad); }
.card.flash-ok .acc { fill: var(--ok); }
.card.flash-bad .acc { fill: var(--bad); }

.blitz-name { font: 600 92px/1 var(--serif); letter-spacing: .01em; }
.blitz-sub { color: var(--ink-2); font-size: 15px; margin-top: 10px; }

.feedback { min-height: 46px; font-size: 15px; display: flex; flex-direction: column; justify-content: center; gap: 2px; }
.feedback .ok { color: var(--ok); font-weight: 600; }
.feedback .bad { color: var(--bad); font-weight: 600; }
.feedback .hint { color: var(--ink-2); font-size: 13.5px; }

/* ---------- Antwort-Buttons ---------- */
.answers { display: flex; gap: 14px; margin-top: 14px; align-items: center; flex-wrap: wrap; justify-content: center; }
.letters { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.letters button {
  min-width: 58px; height: 54px; padding: 0 10px;
  border-radius: 12px; border: 1px solid var(--line); background: var(--card);
  font: 600 21px/1 var(--serif); box-shadow: 0 2px 0 var(--line);
  transition: transform .06s, background .15s;
}
.letters button:active { transform: translateY(2px); box-shadow: none; }
.letters button.right { background: var(--ok-bg); border-color: var(--ok); color: var(--ok); }
.letters button.wrong { background: var(--bad-bg); border-color: var(--bad); color: var(--bad); }
.letters button kbd { display: block; font: 500 10px/1 var(--sans); color: var(--ink-2); margin-top: 4px; opacity: .7; }
.mods { display: flex; gap: 6px; }
.mod {
  width: 44px; height: 54px; border-radius: 12px; border: 1px dashed var(--line); background: none;
  font-family: var(--music); font-size: 24px; color: var(--ink-2);
}
.mod.armed { background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); }
.kbd-hint { font-size: 12.5px; color: var(--ink-2); margin: 10px 0 0; min-height: 1em; }
kbd.k {
  font: 500 11px/1 var(--sans); padding: 2px 5px; border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 4px; background: var(--card);
}

/* ---------- Klaviatur ---------- */
.piano-wrap {
  margin-top: 14px; overflow-x: auto; padding: 10px 2px 6px;
  -webkit-overflow-scrolling: touch;
}
#piano { display: block; margin: 0 auto; touch-action: manipulation; user-select: none; }
#piano .key { cursor: pointer; transition: fill .08s; }
#piano .white { fill: var(--white-key); stroke: var(--key-edge); stroke-width: 1; }
#piano .black { fill: var(--black-key); }
#piano .white:hover { fill: var(--paper-2); }
#piano .black:hover { fill: #3a352e; }
#piano .key.pressed.white { fill: var(--paper-2); }
#piano .key.right { fill: var(--ok) !important; }
#piano .key.wrong { fill: var(--bad) !important; }
#piano .key.reveal.white { fill: var(--ok-bg) !important; stroke: var(--ok); stroke-width: 2.5; }
#piano .key.reveal.black { fill: var(--ok) !important; }
#piano .label { font: 600 12px var(--serif); fill: #6d6455; pointer-events: none; text-anchor: middle; }
#piano .label.c { fill: #1d1a16; }
#piano .mid-c { fill: var(--gold); pointer-events: none; }
#piano .bed { fill: var(--paper-2); }

/* ---------- Overlay / Challenge ---------- */
.overlay {
  position: absolute; inset: 0; border-radius: 18px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  display: grid; place-items: center; backdrop-filter: blur(2px); z-index: 2;
}
.overlay-inner { width: min(380px, 100%); padding: 20px; }
.card:has(.overlay:not([hidden])) { min-height: 380px; }
#challenge-result:not(:empty) { margin-bottom: 18px; }
.overlay h2 { font: 600 26px/1.2 var(--serif); margin: 0 0 6px; }
.overlay p { color: var(--ink-2); margin: 0 0 18px; }
.primary {
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px;
  padding: 11px 22px; font-weight: 600; font-size: 15px;
}
.ghost { background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; }
.ghost.danger { color: var(--bad); }
.result-big { font: 600 54px/1 var(--serif); margin: 18px 0 2px; }
.top-list { list-style: none; padding: 0; margin: 14px 0 0; text-align: left; font-size: 14px; }
.top-list li { display: flex; gap: 10px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.top-list li .rank { width: 18px; color: var(--ink-2); }
.top-list li .who { flex: 1; }
.top-list li.me { font-weight: 600; }

/* ---------- Statistik ---------- */
.stats-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.stats-head h1 { font: 600 30px/1.1 var(--serif); margin: 0 0 6px; }
.stats-head p { margin: 0; max-width: 560px; }
.stat-section { margin-top: 28px; }
.stat-section h2 { font: 600 20px/1.2 var(--serif); margin: 0 0 4px; }
.stat-section h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); margin: 16px 0 8px; display: flex; align-items: center; gap: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  min-width: 58px; padding: 7px 8px 6px; border-radius: 9px; text-align: center;
  background: var(--chip-bg, var(--paper-2)); color: var(--chip-ink, var(--ink));
}
.chip .n { font: 600 16px/1.1 var(--serif); }
.chip .m { font-size: 11px; opacity: .8; font-variant-numeric: tabular-nums; }
.weak-box { background: var(--card); border-radius: 14px; box-shadow: var(--shadow); padding: 14px 18px; }
.weak-box h2 { font: 600 17px/1.2 var(--serif); margin: 0 0 10px; }
.empty { padding: 40px 0; text-align: center; color: var(--ink-2); }

/* ---------- Dialog ---------- */
dialog {
  border: 0; border-radius: 16px; padding: 0; background: var(--card); color: var(--ink);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.45); width: min(440px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(20,16,10,.35); }
dialog form { padding: 22px 24px; }
dialog h2 { font: 600 22px/1.2 var(--serif); margin: 0 0 12px; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 8px; }
legend { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; margin-bottom: 6px; }
.radio { display: flex; gap: 8px; align-items: center; font-size: 14px; cursor: pointer; }
.radio input { accent-color: var(--accent); }
.dialog-actions { display: flex; justify-content: flex-end; }

/* ---------- Mobil ---------- */
@media (max-width: 760px) {
  .topbar { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
  .player input { width: 110px; }
  main { padding: 16px 16px 32px; }
  .toggles { margin-left: 0; flex-wrap: wrap; }
  .controls { gap: 12px; }
  .seg button { padding: 7px 9px; font-size: 13px; }
  .letters button { min-width: 44px; height: 50px; font-size: 19px; }
  .blitz-name { font-size: 72px; }
  .prompt { min-height: 150px; }
}