/* tools.vocalistak.in — same warm studio palette as vocalistak.in (src/index.css). */
:root {
  --canvas: #efebe4;
  --canvas-2: #e4ded4;
  --canvas-3: #d9d2c6;
  --ink: #1a1714;
  --ink-soft: #443d35;
  --ink-faint: #554e45;
  --accent: #c9852a;
  --accent-ink: #7d5119;
  --accent-soft: #e0a355;
  --dark: #14110e;
  --dark-2: #1f1a15;
  --danger: #9b2c1f;
  --shadow-soft: 0 2px 6px rgba(26, 23, 20, .04), 0 12px 32px rgba(26, 23, 20, .07);
  --radius: 18px;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { font-size: 106.25%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 400 1rem/1.55 var(--sans);
  min-height: 100vh;
}
a { color: var(--accent-ink); }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; margin: 0 0 .4em; }
h1 { font-size: clamp(2.3rem, 7vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 5vw, 2.3rem); }
h3 { font-size: 1.5rem; }
p { margin: 0 0 1em; }
.muted { color: var(--ink-faint); }
.eyebrow { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); font-weight: 600; margin-bottom: .6rem; }

/* header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(239, 235, 228, .92); backdrop-filter: blur(10px);
  box-shadow: inset 0 -1px 0 var(--canvas-3);
}
.top .bar { max-width: 1040px; margin: 0 auto; height: 4rem; padding: 0 16px; display: flex; align-items: center; gap: 12px; }
.brand { font-family: var(--serif); font-size: 1.45rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand span { color: var(--accent-ink); }
.crumbs { font-size: .9rem; color: var(--ink-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.who { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--ink-faint); min-width: 0; }
.who .email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 34vw; }

main { max-width: 1040px; margin: 0 auto; padding: 40px 16px 80px; }

/* buttons & controls */
.btn {
  appearance: none; border: 0; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 .95rem/1 var(--sans); padding: .85rem 1.3rem; border-radius: 999px; white-space: nowrap; flex-shrink: 0;
  background: var(--ink); color: var(--canvas); transition: transform .15s, opacity .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.accent { background: var(--accent); color: var(--dark); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--canvas-3); }
.btn.small { padding: .5rem .9rem; font-size: .82rem; }

.card { background: #f7f4ef; border-radius: var(--radius); box-shadow: var(--shadow-soft); padding: 24px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
a.tile { display: block; color: inherit; text-decoration: none; transition: transform .2s; }
a.tile:hover { transform: translateY(-3px); }
.tile .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--dark); color: var(--accent-soft); display: grid; place-items: center; margin-bottom: 14px; }
.tile .go { margin-top: 12px; color: var(--accent-ink); font-weight: 500; font-size: .9rem; }

label.field { display: block; font-size: .85rem; font-weight: 500; color: var(--ink-soft); margin-bottom: 14px; }
label.field .hint { font-weight: 400; color: var(--ink-faint); }
select, input[type=number] {
  width: 100%; margin-top: 6px; font: inherit; padding: .65rem .8rem; border-radius: 12px;
  border: 1.5px solid var(--canvas-3); background: #fbf9f5; color: var(--ink);
}
input[type=range] { width: 100%; accent-color: var(--accent); margin-top: 8px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.row output { font-variant-numeric: tabular-nums; color: var(--ink); }

.notice { padding: 14px 16px; border-radius: 14px; background: var(--canvas-2); color: var(--ink-soft); font-size: .92rem; }
.notice.error { background: #f3dcd6; color: var(--danger); }
[hidden] { display: none !important; }

@media (max-width: 560px) {
  main { padding-top: 28px; }
  .card { padding: 18px; }
  .who .email { display: none; }
}