/* EOConvert arac sayfasi duzeni: lacivert ust bant > ortali baslik > beyaz arac karti > ozellik kutulari > bilgi karti */
:root {
  --navy: #071f3b;
  --ink: #0f172a;
  --text: #53657a;
  --muted: #718096;
  --line: #e1e7ef;
  --bg: #f8fafc;
  --teal: #22c7c9;
  --teal-border: #20bfc1;
  --teal-dark: #0da6aa;
  --teal-deep: #087f83;
  --teal-soft: #e6fafa;
  --mark: #d97706;
  --cut: #be123c;
  --cut-soft: rgba(190, 18, 60, .14);
  --wave: #0da6aa;
  --wave-dim: #9fdfe0;
  --accent: #0da6aa;
  --font: Arial, Helvetica, sans-serif;
  --mono: Consolas, "Courier New", monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font); }
[hidden] { display: none !important; }

/* Ust bant */
.topbar { background: var(--navy); }
.topbar-inner {
  max-width: 1300px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding-block: 20px; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px));
}
.logo { color: #fff; text-decoration: none; font-family: "Arial Black", Arial, sans-serif; font-weight: 900; font-size: 30px; letter-spacing: .5px; }
.logo span { color: #fff; }
.logo { color: var(--teal); }
.top-actions { display: flex; align-items: center; gap: 10px; }
.back-btn, .lang-btn {
  color: #fff; text-decoration: none; border: 1px solid rgba(34, 199, 201, .45); border-radius: 999px;
  padding: 10px 18px; font: 700 16px var(--font); background: rgba(255, 255, 255, .02); cursor: pointer;
}
.lang-btn { border-radius: 10px; padding: 10px 12px; }
.back-btn:hover, .lang-btn:hover { border-color: var(--teal); }

/* Sayfa */
.page { max-width: 1004px; margin: 0 auto; padding-top: 24px; padding-bottom: 48px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); display: grid; gap: 28px; }
.hero { text-align: center; }
.hero h1 { margin: 10px 0 8px; color: var(--navy); font-size: clamp(30px, 5vw, 40px); font-weight: 900; text-wrap: balance; }
.hero p { margin: 0 auto; color: var(--text); font-size: 18px; max-width: 800px; }

.tool-card, .info-card {
  background: #fff; border-radius: 24px; box-shadow: 0 12px 34px rgba(15, 23, 42, .09);
  padding: 40px; display: grid; gap: 18px;
}

/* Dosya birakma alani */
.drop {
  border: 2px dashed var(--teal-border); border-radius: 18px; background: linear-gradient(135deg, #f5ffff, #eafafa);
  padding: 44px 16px; text-align: center; cursor: pointer; display: grid; justify-items: center; gap: 10px;
}
.drop.over { border-color: var(--teal-dark); background: var(--teal-soft); }
.drop:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.drop-icon {
  width: 70px; height: 70px; border-radius: 16px; background: #fff; display: grid; place-items: center;
  font-size: 30px; box-shadow: 0 5px 16px rgba(15, 23, 42, .06);
}
.drop h2 { margin: 6px 0 0; color: var(--navy); font-size: 22px; font-weight: 900; }
.drop p { margin: 0; color: var(--text); }
.drop-file { color: var(--text); font-weight: 700; }
.limit { margin: -6px 0 0; text-align: center; font-size: 14px; color: var(--muted); }

/* Dugmeler */
button { font-family: var(--font); }
.btn-primary {
  background: var(--teal); color: var(--navy); border: 0; border-radius: 10px; padding: 14px 26px;
  font-weight: 700; font-size: 17px; cursor: pointer; box-shadow: 0 8px 22px rgba(13, 166, 170, .10);
}
.btn-primary:hover:not(:disabled) { background: var(--teal-dark); color: #fff; }
.btn-primary.wide { width: 100%; padding: 16px; font-size: 18px; }
.btn-light {
  background: #fff; color: var(--navy); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  font-weight: 700; font-size: 15px; cursor: pointer;
}
.btn-light:hover:not(:disabled) { border-color: var(--teal); background: #f5ffff; }
.btn-light.small { padding: 8px 12px; font-size: 14px; }
.btn-play {
  background: var(--navy); color: #fff; border: 0; border-radius: 10px; padding: 12px; font-weight: 700; font-size: 17px; cursor: pointer;
}
.btn-mark {
  display: grid; gap: 6px; justify-items: center; background: #fff; border: 1.5px solid var(--mark); border-radius: 10px;
  padding: 12px; cursor: pointer; font-weight: 700; color: var(--mark); font-size: 15px;
}
.btn-mark b { font-family: var(--mono); color: var(--ink); font-weight: 400; font-size: 14px; }
.btn-mark.set { background: #fff8eb; }
.btn-cut {
  background: var(--cut); color: #fff; border: 0; border-radius: 10px; padding: 12px; font-weight: 700; font-size: 17px; cursor: pointer;
}
button:disabled { opacity: .45; cursor: not-allowed; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

.status { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--teal-soft); color: var(--teal-deep); text-align: center; }
.status.err { background: #fff1f2; color: var(--cut); }
.status.ok { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.status a { color: inherit; font-weight: 700; }

/* Duzenleyici */
.editor { display: grid; gap: 16px; }
.filebar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.fname { font-weight: 700; color: var(--navy); min-width: 0; overflow-wrap: anywhere; flex: 1 1 200px; }
.stats { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); font-size: 14px; }
.stats b { font-family: var(--mono); color: var(--ink); font-weight: 400; }

.clock { font-family: var(--mono); font-size: clamp(32px, 6vw, 46px); font-weight: 700; text-align: center; color: var(--navy); font-variant-numeric: tabular-nums; }
.clock .sep { color: var(--muted); margin: 0 8px; font-weight: 400; font-size: .55em; }
.clock #totTime { color: var(--muted); font-weight: 400; font-size: .55em; }

.wave-box { display: grid; gap: 8px; }
#wave { width: 100%; height: 170px; display: block; background: #f5ffff; border: 1px solid var(--line); border-radius: 12px; cursor: crosshair; touch-action: none; }
#overview { width: 100%; height: 38px; display: block; background: var(--bg); border: 1px solid var(--line); border-radius: 9px; cursor: pointer; }
.zoom { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; font-size: 14px; color: var(--muted); }
#zoomLabel { min-width: 60px; text-align: center; font-family: var(--mono); }

.transport { display: grid; grid-template-columns: 1fr 1fr 1.4fr 1fr 1fr; gap: 8px; }
.jump { font-family: var(--mono); }
.marks { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 8px; }
.tools { display: flex; flex-wrap: wrap; gap: 8px; }

.cuts summary { cursor: pointer; color: var(--text); font-size: 14px; }
.cuts ol { margin: 8px 0 0; padding-left: 22px; font-family: var(--mono); font-size: 13px; color: var(--text); columns: 2 220px; }

.export { border-top: 1px solid var(--line); padding-top: 18px; display: grid; gap: 14px; }
.export h3 { margin: 0; color: var(--navy); font-size: 20px; }
.export-row { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; font-size: 15px; color: var(--ink); }
.export-row label { display: flex; align-items: center; gap: 8px; }
.export select { font: inherit; padding: 6px 8px; border-radius: 9px; border: 1px solid var(--line); background: #fff; }
.export input[type="checkbox"], .export input[type="range"] { accent-color: var(--teal-dark); }
.export output { font-family: var(--mono); font-size: 13px; min-width: 42px; }

.keys { margin: 0; font-size: 13px; color: var(--muted); line-height: 2; }
kbd { font-family: var(--mono); font-size: 12px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; background: var(--bg); color: var(--ink); }

/* Ozellik kutulari */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 18px; text-align: center; box-shadow: 0 3px 12px rgba(15, 23, 42, .08); }
.f-icon { font-size: 20px; }
.feature h3 { margin: 4px 0 6px; color: var(--navy); font-size: 16px; }
.feature p { margin: 0; color: var(--text); font-size: 14px; }

.info-card h2 { margin: 0; color: var(--navy); font-size: 24px; font-weight: 900; }
.steps { margin: 0; padding-left: 22px; color: var(--text); display: grid; gap: 8px; }

.footer { text-align: center; color: var(--muted); font-size: 14px; padding: 24px 16px 32px; }

@media (max-width: 720px) {
  .tool-card, .info-card { padding: 20px 16px; }
  .logo { font-size: 24px; }
  .back-btn { padding: 8px 12px; font-size: 14px; }
  .transport { grid-template-columns: 1fr 1fr; }
  .transport .btn-play { grid-column: 1 / -1; order: -1; }
  .marks { grid-template-columns: 1fr 1fr; }
  .marks .btn-cut { grid-column: 1 / -1; }
  .features { grid-template-columns: 1fr; }
  #wave { height: 140px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.drop[hidden] + .limit { display: none; }