/* tone-app: dark, high-contrast, phone-first */
:root {
  --bg: #0e0e0f;
  --panel: #18181a;
  --panel-2: #222225;
  --line: #2e2e33;
  --text: #f4f1ea;
  --dim: #a09d96;
  --accent: #e9c46a;
  --on: #2fd16b;
  --stomp: #ffb020;
  --off: #6b6862;
  --warn: #ff5a4f;
  --r: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  padding: 0 16px calc(32px + env(safe-area-inset-bottom, 0px));
}
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
.wrap { max-width: 980px; margin: 0 auto; }

/* Top bar */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.brand { font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
.top nav a { color: var(--dim); text-decoration: none; }
.top nav a.here, .top nav a:hover { color: var(--text); }
.test-banner { background: #2a2416; color: var(--accent); font-size: 13px; text-align: center; padding: 6px; border-radius: 8px; margin-top: 10px; }

h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 800; }
h2 { font-size: 22px; letter-spacing: -0.01em; margin-bottom: 10px; }
.lead { color: var(--dim); font-size: 18px; margin-top: 12px; max-width: 640px; }
section { margin: 28px 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 12px; padding: 12px 20px; font-weight: 700; cursor: pointer; text-decoration: none; background: var(--accent); color: #111; min-height: 46px; }
.btn.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.btn.small { padding: 6px 12px; min-height: 34px; font-size: 14px; border-radius: 9px; }
.btn:disabled { opacity: 0.5; cursor: default; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.grid { display: grid; gap: 14px; }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.feature h3 { font-size: 17px; margin-bottom: 4px; }
.feature p { color: var(--dim); font-size: 15px; }

/* Forms */
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 14px; color: var(--dim); margin-bottom: 4px; }
input[type=text], input[type=email], input[type=search], textarea, select {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; min-height: 46px;
}
textarea { min-height: 80px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--dim); margin: 6px 0 14px; }
.check input { width: 20px; height: 20px; margin-top: 2px; flex: none; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > .grow { flex: 1 1 200px; }
.msg { margin-top: 10px; font-size: 15px; }
.msg.err { color: var(--warn); }
.msg.ok { color: var(--on); }
.hint { color: var(--dim); font-size: 14px; }

/* Rig builder */
.rig-list { list-style: none; display: grid; gap: 8px; margin: 10px 0; }
.rig-list li { display: flex; align-items: center; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.rig-list .n { color: var(--dim); font-variant-numeric: tabular-nums; width: 1.4em; text-align: right; }
.rig-list .name { flex: 1; min-width: 0; }
.rig-list .name small { display: block; color: var(--dim); font-size: 13px; }
.rig-list button { background: none; border: 1px solid var(--line); border-radius: 8px; width: 36px; height: 36px; cursor: pointer; color: var(--dim); }
.picker { position: relative; }
.results { list-style: none; max-height: 300px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; margin-top: 6px; background: var(--panel-2); }
.results li button { width: 100%; text-align: left; background: none; border: 0; padding: 10px 12px; cursor: pointer; border-bottom: 1px solid var(--line); }
.results li button:hover, .results li button:focus { background: var(--panel); }
.results small { color: var(--dim); }

/* Settings result */
.song-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.song-head h2 { margin: 0; font-size: 28px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.badge { font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); }
.badge.warn { background: var(--warn); border-color: var(--warn); color: #000; }
.badge.conf-low { color: var(--stomp); border-color: var(--stomp); }
.units { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); margin-top: 14px; }
.unit { background: var(--panel); border: 1px solid var(--line); border-left: 6px solid var(--on); border-radius: var(--r); padding: 14px; }
.unit.stomp { border-left-color: var(--stomp); }
.unit.off { border-left-color: var(--off); opacity: 0.75; }
.unit h3 { font-size: 17px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tag { font-size: 11px; font-weight: 800; letter-spacing: 0.06em; padding: 2px 7px; border-radius: 6px; color: #000; background: var(--on); }
.stomp .tag { background: var(--stomp); }
.off .tag { background: var(--off); color: var(--text); }
.unit .when { color: var(--accent); font-size: 14px; margin-top: 2px; }
.unit .note { color: var(--dim); font-size: 14px; margin-top: 8px; }
.unit svg { width: 100%; height: auto; display: block; margin-top: 10px; }
.history { display: flex; flex-wrap: wrap; gap: 8px; }
.history button { background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: 14px; }
.loading { color: var(--dim); padding: 20px 0; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

footer.site { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--dim); font-size: 13px; }
footer.site a { color: var(--dim); }
[hidden] { display: none !important; }