/* ---------- Self-hosted fonts (SIL OFL 1.1, see vendor/fonts/OFL-*.txt) ---------- */

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("vendor/fonts/dm-sans-latin-ext-wght.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("vendor/fonts/dm-sans-latin-wght.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("vendor/fonts/space-grotesk-latin-ext-wght.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("vendor/fonts/space-grotesk-latin-wght.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("vendor/fonts/jetbrains-mono-latin-ext-wght.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("vendor/fonts/jetbrains-mono-latin-wght.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Design tokens: dark is the default ---------- */

:root {
  --bg-page: #07090d;
  --bg-header: #07090dcc;
  --bg-bench: #0b0e14;
  --bg-panel: #0d1117;
  --bg-panel-2: #111827;
  --bg-code: #05070a;
  --border-subtle: #94a3b82e;
  --border-strong: #94a3b852;
  --grid-line: #94a3b80a;
  --text: #f3f7fa;
  --text-muted: #b6c0cf;
  --text-dim: #8391a7;
  --accent: #2dd4bf;
  --accent-ink: #031311;
  --accent-soft: #2dd4bf1f;
  --accent-ring: #2dd4bf55;
  --danger: #f87171;
  --warn-bg: #f59e0b24;
  --warn-text: #fbbf24;
  --shadow: 0 30px 60px #00000088;
  --radius-card: 24px;
  --max: 1216px;
  --font-body: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

/* Light variant: automatic mode when the OS prefers light, or forced with data-theme="light". */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-page: #f4f6f8;
    --bg-header: #f4f6f8d9;
    --bg-bench: #e9edf2;
    --bg-panel: #ffffff;
    --bg-panel-2: #e2e8f0;
    --bg-code: #f8fafc;
    --border-subtle: #0f172a1f;
    --border-strong: #0f172a38;
    --grid-line: #0f172a0a;
    --text: #0b1220;
    --text-muted: #475467;
    --text-dim: #5b6678;
    --accent: #0f766e;
    --accent-ink: #ffffff;
    --accent-soft: #0f766e14;
    --accent-ring: #0f766e40;
    --danger: #b42318;
    --warn-bg: #fdecc8;
    --warn-text: #7a4b00;
    --shadow: 0 20px 40px #0f172a1f;
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg-page: #f4f6f8;
  --bg-header: #f4f6f8d9;
  --bg-bench: #e9edf2;
  --bg-panel: #ffffff;
  --bg-panel-2: #e2e8f0;
  --bg-code: #f8fafc;
  --border-subtle: #0f172a1f;
  --border-strong: #0f172a38;
  --grid-line: #0f172a0a;
  --text: #0b1220;
  --text-muted: #475467;
  --text-dim: #5b6678;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #0f766e14;
  --accent-ring: #0f766e40;
  --danger: #b42318;
  --warn-bg: #fdecc8;
  --warn-text: #7a4b00;
  --shadow: 0 20px 40px #0f172a1f;
  color-scheme: light;
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }

/* `hidden` must always win over component display rules (e.g. `.stage canvas { display: block }`). */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
html, body { margin: 0; }

body {
  min-height: 100dvh;
  background-color: var(--bg-page);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text);
  font: 15px/1.55 var(--font-body);
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; line-height: 1.2; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

[id] { scroll-margin-top: 80px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Header ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  padding-top: env(safe-area-inset-top);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font: 700 18px var(--font-display);
  text-decoration: none;
  white-space: nowrap;
}
.logo {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
}
.logo svg { width: 20px; height: 20px; }
.logo-doc { stroke: var(--accent); }
.logo-check { stroke: var(--text); }

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  font-size: 14px;
}
.nav a { color: var(--text-muted); text-decoration: none; }
.nav a:hover { color: var(--text); }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.pill {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}
.pill::before { content: "● "; }
.pill.offline { background: var(--warn-bg); color: var(--warn-text); }

.lang-select select {
  height: 34px;
  padding: 0 8px;
  font: 600 13px var(--font-body);
  color: var(--text);
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  cursor: pointer;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--bg-panel);
  color: var(--text);
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn svg { width: 18px; height: 18px; display: none; }
.icon-btn[data-mode="auto"] .i-auto,
.icon-btn[data-mode="light"] .i-light,
.icon-btn[data-mode="dark"] .i-dark { display: block; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  font: 700 14px var(--font-body);
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .15s, background-color .15s, color .15s, filter .15s;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; }
.btn.ghost:hover:not(:disabled) { border-color: var(--border-strong); }
.btn.small { padding: 6px 12px; font-size: 12.5px; border-radius: 10px; }
.btn.block { width: 100%; border-radius: 12px; }
.btn.danger:not(:disabled) { color: var(--danger); }

/* ---------- Hero ---------- */

.hero { text-align: center; padding: 56px 0 36px; }
.eyebrow {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-ring);
  border-radius: 999px;
}
.hero h1 {
  margin: 22px 0 14px;
  font: 700 clamp(34px, 6vw, 58px)/1.08 var(--font-display);
  letter-spacing: -.02em;
  text-wrap: balance;
}
.lead { max-width: 640px; margin: 0 auto; color: var(--text-muted); font-size: 17px; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 26px 0 12px; }
.fine { margin: 0; color: var(--text-dim); font-size: 13px; }

/* ---------- Workbench ---------- */

.bench {
  display: grid;
  grid-template-columns: minmax(260px, 300px) minmax(0, 1fr) minmax(260px, 300px);
  gap: 10px;
  padding: 10px;
  background: var(--bg-bench);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-card) + 10px);
  align-items: start;
}

.panel {
  min-width: 0;
  padding: 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
}

.label {
  display: block;
  margin: 18px 0 10px;
  padding: 0;
  font: 600 11px var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.panel > .label:first-child,
.panel > fieldset:first-child > .label { margin-top: 0; }

fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend.label { float: left; width: 100%; }
legend + * { clear: both; }

.dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 22px 14px;
  text-align: center;
  background: var(--bg-code);
  border: 1.5px dashed var(--border-strong);
  border-radius: 16px;
  cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.dz-title { font: 700 15px var(--font-display); }
.dz-sub { font-size: 12.5px; color: var(--text-dim); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field > span { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--text-muted); }
.field output { font: 500 12.5px var(--font-mono); color: var(--accent); font-variant-numeric: tabular-nums; }

input[type="text"] {
  width: 100%;
  padding: 11px 12px;
  font: 14px var(--font-body);
  color: var(--text);
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
}
input[type="text"]::placeholder { color: var(--text-dim); }
input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; }
.chip {
  padding: 4px 10px;
  font: 12.5px var(--font-body);
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* Plain checkboxes: custom square box, still a native input. */
.check { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; }
.check input[type="checkbox"]:not(.switch) {
  appearance: none;
  display: grid;
  place-items: center;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 0;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--bg-code);
  cursor: pointer;
}
.check input[type="checkbox"]:not(.switch):checked {
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23031311' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
  border-color: var(--accent);
}
:root[data-theme="light"] .check input[type="checkbox"]:not(.switch):checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23ffffff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .check input[type="checkbox"]:not(.switch):checked {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23ffffff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  }
}

.toggles { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 10px; }

/* Protection options: native checkboxes drawn as switches. */
.check.block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  padding: 10px 12px;
  font-size: 13.5px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
}
.check.block small { display: block; margin-top: 2px; font-size: 11.5px; line-height: 1.4; color: var(--text-dim); }
.check.block strong { font-weight: 600; }
.check.block br { display: none; }
.switch {
  appearance: none;
  position: relative;
  flex: none;
  width: 34px;
  height: 20px;
  margin: 0;
  border-radius: 99px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: background-color .15s;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: transform .15s, background-color .15s;
}
.switch:checked { background: var(--accent); border-color: var(--accent); }
.switch:checked::after { transform: translateX(14px); background: var(--accent-ink); }

.trace-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.trace-row code {
  padding: 7px 12px;
  font: 600 14px var(--font-mono);
  letter-spacing: .08em;
  color: var(--accent);
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
}

.hint { margin: 8px 0 0; font-size: 12.5px; color: var(--text-dim); }

/* Appearance */
.row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.row .field { margin-bottom: 0; }
.field.color input {
  width: 40px;
  height: 30px;
  padding: 2px;
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  cursor: pointer;
}
.field.color input::-webkit-color-swatch-wrapper { padding: 0; }
.field.color input::-webkit-color-swatch { border: 0; border-radius: 6px; }
.field.color input::-moz-color-swatch { border: 0; border-radius: 6px; }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatches button {
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: 50%;
  background: var(--c);
  border: 1px solid var(--border-strong);
  cursor: pointer;
}
.swatches button.active { outline: 2px solid var(--accent); outline-offset: 2px; }

input[type="range"] {
  appearance: none;
  width: 100%;
  height: 18px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 99px;
  background: linear-gradient(to right, var(--accent) var(--fill, 0%), var(--border-strong) var(--fill, 0%));
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 99px; background: var(--border-strong); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 99px; background: var(--accent); }
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -4px;
  border: 0;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
input[type="range"]:focus-visible { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent); }
input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px var(--accent); }

/* Segmented radios (export format and redaction mode). */
.segmented { display: flex; gap: 2px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label { cursor: pointer; }
.segmented label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }

.segmented.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.segmented.formats label {
  padding: 9px 0;
  text-align: center;
  font: 700 13px var(--font-body);
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
}
.segmented.formats label:has(input:checked) { color: var(--accent); background: var(--accent-soft); border-color: var(--accent); }

.segmented.compact {
  padding: 3px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}
.segmented.compact label { padding: 4px 10px; font-size: 12.5px; color: var(--text-muted); border-radius: 999px; }
.segmented.compact label:has(input:checked) { color: var(--accent); background: var(--accent-soft); }

.actions { display: grid; gap: 8px; }

/* ---------- Preview ---------- */

.preview-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.preview-head .label { flex: 1; margin: 0; }
.pager {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  font-size: 12.5px;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}
.pager .btn.small { padding: 2px 9px; border-radius: 999px; }
.pager span { padding: 0 6px; font-variant-numeric: tabular-nums; }

.stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  min-height: 420px;
  padding: 24px;
  overflow: hidden;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
}
.stage canvas {
  display: block;
  max-width: 100%;
  max-height: 72vh;
  width: auto;
  height: auto;
  border-radius: 6px;
  box-shadow: var(--shadow);
}
.stage canvas.drawing { cursor: crosshair; touch-action: none; }
.stage canvas.can-select { cursor: pointer; }
.empty { max-width: 260px; text-align: center; color: var(--text-dim); }
.empty svg { width: 120px; opacity: .55; }

.busy {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  background: color-mix(in srgb, var(--bg-panel) 75%, transparent);
}
.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.redact-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 12px; }
.redact-label {
  font: 600 11px var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.redact-actions { display: flex; gap: 6px; margin-left: auto; }
.redact-hint { margin: 8px 0 0; }

/* ---------- Copy log ---------- */

.log { margin-top: 14px; }
.log .preview-head { flex-wrap: wrap; }
.log .preview-head .label { flex: 0 0 auto; }
.log-note { flex: 1; }
.log-list { list-style: none; margin: 0; padding: 0; }
.log-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 2px 14px;
  align-items: center;
  padding: 10px 12px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--border-subtle);
}
.log-list li:last-child { border-bottom: 0; }
.log-list code { font: 600 13px var(--font-mono); color: var(--accent); }
.log-list .text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-list .meta { grid-column: 2 / 3; font-size: 12px; color: var(--text-dim); }
.log-list .del { grid-row: 1 / 3; grid-column: 3; }
.log-list .empty-log {
  display: block;
  text-align: center;
  color: var(--text-dim);
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
}

/* ---------- Content sections ---------- */

.page-section { padding-top: 72px; }
.section-title {
  margin: 0 0 24px;
  font: 700 32px var(--font-display);
  letter-spacing: -.01em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step {
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
}
.num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-weight: 700;
  background: var(--accent);
  color: var(--accent-ink);
}
.step h3 { margin: 18px 0 8px; font: 700 19px var(--font-display); }
.step p { margin: 0; font-size: 14px; color: var(--text-muted); }

.faq { max-width: 760px; margin: 0 auto; }
.q {
  margin-bottom: 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
}
.q summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 14.5px;
  list-style: none;
  cursor: pointer;
}
.q summary::-webkit-details-marker { display: none; }
.q summary::after { content: "+"; color: var(--text-dim); font-weight: 400; }
.q[open] summary::after { content: "−"; }
.q summary:focus-visible { outline-offset: -2px; border-radius: 14px; }
.q p { margin: 0; padding: 0 18px 16px; font-size: 14px; color: var(--text-muted); }

/* ---------- Footer ---------- */

.site-footer { margin-top: 80px; padding: 40px 0 calc(30px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border-subtle); }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.site-footer p, .site-footer li { font-size: 13.5px; color: var(--text-muted); }
.site-footer h3 { font: 700 14px var(--font-body); }
.site-footer ul { margin: 10px 0 0; padding: 0; list-style: none; line-height: 2; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .legal { margin-top: 30px; font-size: 12px; color: var(--text-dim); }
.site-footer .legal a { text-decoration: underline; }

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  z-index: 10;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-panel-2);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); border-color: var(--danger); color: #fff; }

/* ---------- Responsive ---------- */

@media (min-width: 1000px) {
  /* Keep the preview in view while scrolling the side panels. */
  .preview { position: sticky; top: 80px; }
}

@media (max-width: 999px) {
  .bench { grid-template-columns: minmax(0, 1fr); }
  .stage { min-height: 280px; padding: 14px; }
  .steps, .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .nav { display: none; }
  .topbar-actions { margin-left: auto; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .topbar-inner { gap: 10px; }
  .topbar-actions { gap: 6px; }
  .brand { gap: 8px; font-size: 16px; }
  /* Only surface the connection pill when it matters. */
  .pill:not(.offline) { display: none; }
  .topbar .btn { padding: 7px 12px; font-size: 13px; }
  .hero { padding: 36px 0 28px; }
  .lead { font-size: 16px; }
  .bench { padding: 6px; border-radius: var(--radius-card); }
  .panel { padding: 14px; border-radius: 18px; }
  .section-title { font-size: 26px; }
  .page-section { padding-top: 56px; }
}

@media (max-width: 400px) {
  .topbar .brand-name { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .spinner { animation-duration: 1.6s !important; animation-iteration-count: infinite !important; }
}