:root {
  --bg: #0e1118;
  --bg2: #151924;
  --card: #191e2b;
  --line: #2a3142;
  --text: #eef1f7;
  --muted: #8d95a8;
  --accent: #5b8cff;
  --accent2: #7c5cff;
  --cyan: #4fd1ff;
  --ok: #46d39a;
  --mid: #ffb347;
  --warn: #ff6a6a;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}
[data-theme="light"] {
  --bg: #f3f4f8;
  --bg2: #e9ebf2;
  --card: #ffffff;
  --line: #dde1ea;
  --text: #171a22;
  --muted: #646c80;
  --ok: #1fae74;
  --mid: #e08a12;
  --warn: #e04848;
  --shadow: 0 8px 24px rgba(30,40,70,.10);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -200px, rgba(91,140,255,.16), transparent 70%), var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .85rem; line-height: 1.45; }

/* ---------- header ---------- */
.top {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px;
  max-width: 1100px; margin: 0 auto; padding: 14px 18px;
  padding-top: max(14px, env(safe-area-inset-top));
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; letter-spacing: .2px; }
.brand b { color: var(--accent); }
.top-actions { display: flex; gap: 8px; justify-self: end; }
.maker-logo {
  justify-self: center; display: block; background: #fff; border-radius: 12px; padding: 5px 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.18); transition: transform .12s, box-shadow .12s; line-height: 0;
}
[data-theme="light"] .maker-logo { box-shadow: 0 0 0 1px var(--line); }
.maker-logo:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(79,195,247,.35); }
.maker-logo img { height: 36px; width: auto; display: block; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); display: grid; place-items: center; font-weight: 700;
}
.icon-btn:hover, .chip:hover { border-color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; padding: 0 18px 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- stage ---------- */
.stage { padding: 18px 22px 18px; }
.stage h1 { margin: 0; font-size: 1.45rem; }
.sub { margin: 4px 0 14px; }
.live { display: flex; align-items: center; gap: 22px; }
.live-right { flex: 1; min-width: 0; }
.play {
  position: relative; flex: none;
  width: 96px; height: 96px; border-radius: 50%; border: 0;
  background: linear-gradient(145deg, var(--cyan), var(--accent2)); color: #fff;
  box-shadow: 0 10px 30px rgba(91,140,255,.45); display: grid; place-items: center; transition: transform .08s;
}
.play:active { transform: scale(.95); }
.play svg { width: 46px; height: 46px; }
.play .i-stop { display: none; }
body.listening .play .i-stop { display: block; }
body.listening .play .i-play { display: none; }
body.listening .play { background: linear-gradient(145deg, #ff6a6a, #e0445a); box-shadow: 0 10px 30px rgba(224,68,90,.45); }
body.listening .play::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid #ff6a6a; animation: pulse 1.6s ease-out infinite; pointer-events: none;
}
@keyframes pulse { from { transform: scale(1); opacity: .7; } to { transform: scale(1.45); opacity: 0; } }

.meter-row { display: flex; align-items: center; gap: 12px; }
.meter { position: relative; flex: 1; height: 26px; border-radius: 10px; background: var(--bg2); border: 1px solid var(--line); overflow: hidden; }
/* -60..0 dB: yeşil hedef bölge -30..-8 */
.m-zone { position: absolute; top: 0; bottom: 0; left: 50%; width: 36.7%; background: color-mix(in srgb, var(--ok) 14%, transparent); border-left: 1px dashed color-mix(in srgb, var(--ok) 50%, transparent); border-right: 1px dashed color-mix(in srgb, var(--ok) 50%, transparent); }
.m-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: linear-gradient(90deg, var(--cyan), var(--ok) 55%, var(--mid) 85%, var(--warn)); background-size: var(--mw, 100%) 100%; }
.m-peak { position: absolute; top: 0; bottom: 0; width: 3px; left: 0; background: var(--text); opacity: .8; }
body.clip .meter { border-color: var(--warn); box-shadow: 0 0 0 2px color-mix(in srgb, var(--warn) 40%, transparent); }
.db { min-width: 74px; text-align: right; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.m-scale { font-size: .72rem; color: var(--muted); margin: 3px 86px 0 0; position: relative; height: 1.1em; }
.m-scale span { position: absolute; top: 0; transform: translateX(-50%); }
.m-scale span:first-child { transform: none; }
.m-scale span:last-child { transform: translateX(-100%); }
.status { margin: 8px 0 0; min-height: 1.4em; font-weight: 600; }
body.idle .status { color: var(--muted); font-weight: 500; }
.status.bad { color: var(--warn); }
.status.okc { color: var(--ok); }

.spec { width: 100%; height: 110px; display: block; border-radius: 12px; background: var(--bg2); border: 1px solid var(--line); margin-top: 14px; }

.devrow { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; align-items: center; margin-top: 12px; }
.devrow .lbl { margin: 0; }
.pills { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.pill { padding: 3px 11px; border-radius: 99px; background: var(--bg2); border: 1px solid var(--line); color: var(--muted); font-size: .8rem; }

/* ---------- panels ---------- */
.panels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
.panel { padding: 16px 18px 18px; min-width: 0; }
.wide-panel { grid-column: 1 / -1; }
.panel h2 { margin: 0; font-size: 1.05rem; }
.ph { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 4px; }
.lbl { display: flex; justify-content: space-between; margin: 14px 0 6px; font-size: .85rem; color: var(--muted); }

.grade { font-size: .8rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; white-space: nowrap; }
.grade:empty { display: none; }
.g-ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.g-mid { background: color-mix(in srgb, var(--mid) 18%, transparent); color: var(--mid); }
.g-bad { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.g-na { background: var(--bg2); color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--bg2); border-radius: 10px; padding: 7px 11px; font-size: .9rem; line-height: 1.1; }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.spk { margin: 12px 0 8px; }

select { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; height: 42px; padding: 0 12px; font-size: .95rem; min-width: 0; }
select.wide { width: 100%; }
select:focus, input:focus, button:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 1px; }

.btn { border: 0; border-radius: 12px; padding: 10px 16px; background: var(--accent); color: #fff; font-weight: 600; margin-top: 10px; }
.btn.ghost { background: var(--bg2); color: var(--text); border: 1px solid var(--line); }
.btn.run { background: var(--warn); }
.btnrow { display: flex; flex-wrap: wrap; gap: 8px; }

.prog { height: 8px; border-radius: 99px; background: var(--bg2); border: 1px solid var(--line); overflow: hidden; margin: 12px 0 4px; }
.prog > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--accent2)); transition: width .1s linear; }
.say { margin: 8px 0 0; font-weight: 700; font-size: 1.05rem; color: var(--cyan); }

.res { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; margin: 14px 0 0; }
.res:empty { display: none; }
.res dt { color: var(--muted); font-size: .9rem; }
.res dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.res dd.ok { color: var(--ok); } .res dd.mid { color: var(--mid); } .res dd.bad { color: var(--warn); }
.tips { margin: 12px 0 0; padding-left: 18px; display: grid; gap: 6px; font-size: .88rem; line-height: 1.4; }
.tips:empty { display: none; }

.recs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.rec { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 12px; display: flex; flex-direction: column; gap: 3px; }
.rec small { font-size: .78rem; }
.rec-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.rec-btns .btn { padding: 8px 12px; font-size: .9rem; }
.rec.recording { border-color: var(--warn); }

.tbl-wrap { overflow-x: auto; margin-top: 12px; }
.net { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.net th { text-align: left; font-size: .8rem; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.net td { padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.net td:first-child { white-space: normal; }
.net td small { display: block; color: var(--muted); font-size: .76rem; }
.net tbody:empty::after { content: ""; }
.bar { display: inline-block; height: 8px; border-radius: 4px; background: var(--ok); vertical-align: middle; min-width: 4px; }
.net .ok { color: var(--ok); } .net .mid { color: var(--mid); } .net .bad { color: var(--warn); }

.sum { list-style: none; margin: 10px 0 4px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.sum li { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; }
.sum li b { display: block; font-size: .82rem; color: var(--muted); font-weight: 600; }
.sum li span { display: block; font-size: 1.05rem; font-weight: 700; margin-top: 2px; }
.sum li.ok { border-color: color-mix(in srgb, var(--ok) 55%, var(--line)); }
.sum li.ok span { color: var(--ok); }
.sum li.mid { border-color: color-mix(in srgb, var(--mid) 55%, var(--line)); }
.sum li.mid span { color: var(--mid); }
.sum li.bad { border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }
.sum li.bad span { color: var(--warn); }

.cta {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; margin-top: 16px;
  padding: 14px 16px; border-radius: 16px; text-decoration: none; color: var(--text);
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 16%, var(--bg2)), color-mix(in srgb, var(--accent2) 16%, var(--bg2)));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line)); transition: transform .12s, box-shadow .12s;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 25%, transparent); }
.cta-ic { font-size: 1.9rem; }
.cta-tx b { display: block; font-size: .98rem; line-height: 1.3; }
.cta-tx span { display: block; font-size: .85rem; color: var(--muted); margin-top: 3px; }
.cta-go { background: var(--accent); color: #fff; font-weight: 700; border-radius: 10px; padding: 9px 12px; white-space: nowrap; font-size: .9rem; }

details { border-top: 1px solid var(--line); padding: 10px 0; }
details:first-of-type { border-top: 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 8px 0 0; color: var(--muted); line-height: 1.5; font-size: .92rem; }

.foot { text-align: center; padding: 10px 18px 30px; color: var(--muted); font-size: .9rem; }
.foot p { margin: 4px 0; }
.foot .dev { color: var(--text); }
.foot .dev a { color: var(--accent); font-weight: 600; text-decoration: none; }

#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-size: .92rem;
  transition: .2s; pointer-events: none; z-index: 60; max-width: 90vw; text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--text); max-width: 460px; width: calc(100% - 32px); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog h3 { margin-top: 0; }
.keys { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
.keys td { padding: 6px 4px; border-bottom: 1px solid var(--line); }
kbd { display: inline-block; padding: 2px 7px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg2); font-size: .82rem; font-family: inherit; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .panels { grid-template-columns: 1fr; }
  .cta { grid-template-columns: auto 1fr; }
  .cta-go { grid-column: 1 / -1; text-align: center; }
}
@media (max-width: 560px) {
  .top { grid-template-columns: 1fr auto; row-gap: 10px; }
  .maker-logo { grid-column: 1 / -1; grid-row: 1; }
  .maker-logo img { height: 30px; }
  .brand { font-size: 1.1rem; white-space: nowrap; gap: 8px; }
  .brand img { width: 30px; height: 30px; }
  .recs { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  main { padding: 0 10px 16px; }
  .stage { padding: 14px 12px; }
  .stage h1 { font-size: 1.2rem; }
  .live { gap: 14px; }
  .play { width: 76px; height: 76px; }
  .play svg { width: 38px; height: 38px; }
  .db { min-width: 60px; font-size: 1.05rem; }
  .m-scale { margin-right: 72px; }
  .devrow { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  body.listening .play::before { animation: none; }
}