/* Lottie Studio — studio-dark by default, honest light theme, one accent. */

:root[data-theme="dark"] {
  --bg: #0b0e13;
  --panel: #11151c;
  --panel-2: #161b24;
  --line: #232a36;
  --text: #e8ecf3;
  --muted: #93a0b4;
  --accent: #5eead4;
  --accent-ink: #042f2a;
  --pink: #f472b6;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --checker-a: #1a1f29;
  --checker-b: #12161e;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
:root[data-theme="light"] {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --line: #dde2ea;
  --text: #171c24;
  --muted: #5b6675;
  --accent: #0d9488;
  --accent-ink: #ffffff;
  --pink: #db2777;
  --ok: #059669;
  --warn: #b45309;
  --bad: #dc2626;
  --checker-a: #e8ebf0;
  --checker-b: #f8fafc;
  --shadow: 0 8px 24px rgba(23, 28, 36, 0.08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.mono, .frames { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.86em; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.hidden { display: none !important; }
a { color: var(--accent); }

/* --- Header ------------------------------------------------------------- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand { display: flex; gap: 14px; align-items: center; min-width: 260px; }
.brand .mark { width: 40px; height: 40px; color: var(--accent); flex: none; }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: 0.2px; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.session { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.home-link { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); text-decoration: none; font-size: 13px; }
.home-link svg { width: 13px; height: 13px; }
.home-link:hover { color: var(--text); }
.credits { color: var(--accent); }
.topup { font-size: 13px; }

/* --- Buttons & inputs ----------------------------------------------------- */
button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.08); }
button.big { padding: 11px 20px; font-size: 15.5px; }
button.ghost { background: transparent; }
button.linkish {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
}
.theme-toggle::after { content: "◐"; font-size: 15px; }

input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}
textarea { resize: vertical; min-height: 60px; }
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type="color"] { width: 42px; height: 36px; padding: 2px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); cursor: pointer; }
input[type="file"] { font-size: 12.5px; color: var(--muted); max-width: 220px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 4px; }
label.chk { display: inline-flex; align-items: center; gap: 5px; margin: 0; }

/* --- Layout ---------------------------------------------------------------- */
main { max-width: 1340px; margin: 0 auto; padding: 24px 28px 40px; }
.workspace { display: grid; grid-template-columns: minmax(340px, 460px) 1fr; gap: 22px; align-items: start; }
@media (max-width: 980px) { .workspace { grid-template-columns: 1fr; } }

.panel-left form, .card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.klabel { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px; color: var(--muted); }
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.row { display: grid; gap: 12px; margin-top: 12px; }
.row.two { grid-template-columns: 1fr 1fr; }
.row.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 480px) { .row.four { grid-template-columns: 1fr 1fr; } }
.bg-row { display: flex; gap: 8px; align-items: center; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.actions.examples { margin-top: 10px; gap: 8px; }
.meter { font-size: 12.5px; color: var(--muted); flex: 1; min-width: 180px; }

.stage-box.dragging { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent) inset; }

/* --- Stage ------------------------------------------------------------------ */
.stage-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.stage-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  max-height: 62vh;
}
.stage-box.checker {
  background-image:
    linear-gradient(45deg, var(--checker-a) 25%, transparent 25%, transparent 75%, var(--checker-a) 75%),
    linear-gradient(45deg, var(--checker-a) 25%, var(--checker-b) 25%, var(--checker-b) 75%, var(--checker-a) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
}
.stage { width: 100%; height: 100%; max-height: 62vh; display: flex; align-items: center; justify-content: center; }
.stage-box { position: relative; }
.stage-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  padding: 24px;
  color: var(--muted);
  pointer-events: none;
}
.stage-empty p { margin: 0; }
.stage svg { max-width: 100%; max-height: 62vh; display: block; }

.transport { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.transport input[type="range"] { flex: 1; min-width: 140px; accent-color: var(--accent); }
.transport.secondary { gap: 8px; }
.transport.secondary select { width: auto; padding: 5px 8px; }
.transport .frames { color: var(--muted); white-space: nowrap; }
.spacer { flex: 1; }

/* --- Result / inspector ------------------------------------------------------- */
.result-card { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px; }
.res-head { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.res-head h2 { margin: 0 0 4px; font-size: 19px; }
.dl-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }
.notice {
  border: 1px solid var(--warn);
  color: var(--warn);
  border-radius: 8px;
  padding: 8px 12px;
  margin: 10px 0;
  font-size: 13.5px;
}
.fix-list { margin: 8px 0 0; padding-left: 20px; }
.fix-list li { margin-bottom: 5px; }
.run-meta { color: var(--muted); font-size: 12px; margin-top: 10px; }

.card.recon, .card.inspect, .stage-panel .card.refine { margin-top: 16px; margin-bottom: 0; }
.card.recon { border-color: var(--warn); }
.card.recon.clean { border-color: var(--ok); }
.recon .fix-list li { color: var(--warn); }
.recon .fix-list li.ok { color: var(--ok); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px 14px;
  margin: 10px 0 4px;
}
.stats-grid > div { background: var(--panel-2); border-radius: 8px; padding: 8px 10px; }
.stats-grid dt { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin: 0; }
.stats-grid dd { margin: 2px 0 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; }

.lint-list { list-style: none; margin: 10px 0 0; padding: 0; }
.lint-list li {
  border-left: 3px solid var(--muted);
  background: var(--panel-2);
  border-radius: 0 8px 8px 0;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 13.5px;
}
.lint-list li.sev-block { border-left-color: var(--bad); }
.lint-list li.sev-warn { border-left-color: var(--warn); }
.lint-list li.sev-info { border-left-color: var(--accent); }
.lint-list .lint-label { font-weight: 600; }
.lint-list .lint-detail { color: var(--muted); display: block; margin-top: 2px; }
.lint-list li.all-clear { border-left-color: var(--ok); color: var(--ok); }

/* --- Progress -------------------------------------------------------------------- */
.progress-panel {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 18px;
}
.pp-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.steps { list-style: none; margin: 12px 0 0; padding: 0; }
.step { display: flex; align-items: center; gap: 10px; padding: 5px 0; color: var(--muted); }
.step-ic { width: 10px; height: 10px; border-radius: 50%; background: var(--line); flex: none; }
.step.live { color: var(--text); }
.step.live .step-ic { background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
.step.done { color: var(--muted); }
.step.done .step-ic { background: var(--ok); }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.55; } }

/* --- Raw / history / how ------------------------------------------------------------ */
.raw-result, .how {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-top: 22px;
  box-shadow: var(--shadow);
}
.raw-output {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  max-height: 380px;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.how-lead { color: var(--muted); }
.how-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 14px; }
.how-step { background: var(--panel-2); border-radius: 10px; padding: 14px 16px; }
.how-step h3 { margin: 8px 0 6px; font-size: 15px; }
.how-step p { margin: 0; color: var(--muted); font-size: 13.5px; }
.step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 13px;
}
.how-credit { margin-top: 14px; color: var(--muted); font-size: 12.5px; }

/* --- Footer / toasts ------------------------------------------------------------------ */
footer {
  max-width: 1340px;
  margin: 0 auto;
  padding: 18px 28px 34px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.foot-sep { opacity: 0.5; }

.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 50; max-width: 380px; }
.toast {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13.5px;
  box-shadow: var(--shadow);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.toast.err { border-left-color: var(--bad); }
.toast.ok { border-left-color: var(--ok); }
.toast.gone { opacity: 0; transform: translateY(6px); }
.toast a { margin-left: 6px; }

/* --- Docs pages (api.html / tokens.html) -------------------------------------------------- */
.doc-main { max-width: 900px; margin: 0 auto; padding: 24px 28px 60px; }
.doc-main h2 { margin-top: 34px; }
.doc-main pre {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  font-size: 12.5px;
  line-height: 1.5;
}
.doc-main table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.doc-main th, .doc-main td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
.doc-main th { background: var(--panel-2); }
.code-group { margin: 14px 0 22px; }
.lang-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.lang-tabs button { padding: 4px 10px; font-size: 12.5px; border-radius: 6px; }
.lang-tabs button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.tok-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.tok-mask { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }

@media print {
  header .session, .transport, .actions, footer, .toasts, .how, #historyZone { display: none !important; }
  body { background: #fff; color: #000; }
}