/* Binaural We Beats: dark-first theme with light variant (spec 02 §1). */

:root {
  --bg: #0b1020;
  --bg-grad: radial-gradient(1200px 600px at 20% -10%, #1b2550 0%, transparent 60%),
             radial-gradient(900px 500px at 110% 10%, #3a1846 0%, transparent 55%);
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.1);
  --text: #e8ecf8;
  --muted: #9aa5c4;
  --accent: #7dd3fc;
  --accent-2: #f472b6;
  --left: #38bdf8;
  --right: #fb923c;
  --danger: #f87171;
  --warn: #fbbf24;
  --focus: #facc15;
  --band: #34d399;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --band-epsilon: #8b7cf6;
  --band-delta: #5b8def;
  --band-theta: #38bdf8;
  --band-alpha: #34d399;
  --band-smr: #a3e635;
  --band-beta: #fbbf24;
  --band-gamma: #f472b6;
  --tint: 0%; /* how much to darken band-coloured text (light theme) */
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f6fb;
    --bg-grad: radial-gradient(1200px 600px at 20% -10%, #dbe6ff 0%, transparent 60%),
               radial-gradient(900px 500px at 110% 10%, #fde2f1 0%, transparent 55%);
    --surface: rgba(255, 255, 255, 0.75);
    --surface-2: rgba(15, 23, 42, 0.06);
    --border: rgba(15, 23, 42, 0.12);
    --text: #111827;
    --muted: #4b5563;
    --accent: #0369a1;
    --left: #0284c7;
    --right: #c2410c;
    --focus: #b45309;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --tint: 45%;
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-grad: radial-gradient(1200px 600px at 20% -10%, #dbe6ff 0%, transparent 60%),
             radial-gradient(900px 500px at 110% 10%, #fde2f1 0%, transparent 55%);
  --surface: rgba(255, 255, 255, 0.75);
  --surface-2: rgba(15, 23, 42, 0.06);
  --border: rgba(15, 23, 42, 0.12);
  --text: #111827;
  --muted: #4b5563;
  --accent: #0369a1;
  --left: #0284c7;
  --right: #c2410c;
  --focus: #b45309;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --tint: 45%;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-grad), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
}

h1, h2, h3 { line-height: 1.2; margin: 0; }
h2 { font-size: 1.2rem; margin-bottom: 0.35rem; }
h3 { font-size: 1rem; margin-bottom: 0.25rem; }
p { margin: 0.4rem 0; }
button, input, select { font: inherit; color: inherit; }
kbd {
  font: 0.85em ui-monospace, SFMono-Regular, Menlo, monospace;
  padding: 0.05em 0.4em; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2);
}

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 10; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

.muted { color: var(--muted); font-weight: normal; }
.hint { color: var(--muted); font-size: 0.875rem; }

/* ---------- top bar & banner ---------- */

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 36px; height: 36px; }
.brand h1 { font-size: 1.25rem; letter-spacing: 0.01em; }
.topbar-actions { display: flex; gap: 8px; }

.icon-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface); cursor: pointer;
  font-size: 1.1rem; display: inline-grid; place-items: center;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn.small { width: 32px; height: 32px; font-size: 1rem; }

.banner {
  display: flex; gap: 12px; align-items: center;
  max-width: 1200px; margin: 0 auto 12px; padding: 10px 16px;
  border: 1px solid color-mix(in srgb, var(--warn) 50%, transparent);
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border-radius: 14px;
  width: calc(100% - 32px);
}
.banner p { margin: 0; font-size: 0.95rem; }
.banner-icon { font-size: 1.6rem; }
.banner.soft {
  border-color: var(--border);
  background: var(--surface);
}

/* ---------- layout ---------- */

.layout {
  max-width: 1200px; margin: 0 auto; padding: 0 16px 24px;
  display: grid; gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
  .mixer, .catalogue, .about { grid-column: 1 / -1; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  min-width: 0;
}

/* ---------- hero ---------- */

.hero { display: flex; flex-direction: column; gap: 12px; }
.viz-wrap {
  position: relative; width: 100%; aspect-ratio: 16 / 10; min-height: 220px;
  border-radius: 14px; overflow: hidden;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--band) 10%, transparent), transparent 70%);
}
#viz { width: 100%; height: 100%; display: block; }
.viz-overlay {
  position: absolute; inset: auto 0 12px 0;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  pointer-events: none; text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}
.beat-readout { font-size: clamp(1.8rem, 6vw, 2.6rem); font-weight: 700; font-variant-numeric: tabular-nums; }
.lr-readout { font-size: 0.9rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.lr-l { color: var(--left); }
.lr-r { color: var(--right); }

.chip {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid color-mix(in srgb, var(--band) 60%, transparent);
  color: color-mix(in srgb, var(--band), #000 var(--tint));
  background: color-mix(in srgb, var(--band) 14%, transparent);
}
.chip.small { font-size: 0.75rem; }

.transport { display: flex; align-items: center; justify-content: center; gap: 22px; }
.play-btn {
  position: relative; width: 84px; height: 84px; border-radius: 50%; border: none; cursor: pointer;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--band) 85%, white), var(--band));
  color: #0b1020;
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--band) 20%, transparent), 0 10px 30px color-mix(in srgb, var(--band) 45%, transparent);
  display: grid; place-items: center;
  transition: transform 0.12s ease, box-shadow 0.3s ease;
}
.play-btn:hover { transform: scale(1.04); }
.play-btn:active { transform: scale(0.97); }
.play-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.play-btn svg { width: 38px; height: 38px; fill: currentColor; }
.play-btn .icon-pause, .play-btn .spinner { display: none; }
.play-btn[data-state="running"] .icon-play { display: none; }
.play-btn[data-state="running"] .icon-pause { display: block; }
.play-btn[data-state="starting"] .icon-play { display: none; }
.play-btn[data-state="starting"] .spinner { display: block; }
.spinner {
  width: 32px; height: 32px; border-radius: 50%;
  border: 3px solid rgba(11, 16, 32, 0.25); border-top-color: #0b1020;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.round-btn {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface-2); cursor: pointer;
  display: grid; place-items: center;
}
.round-btn svg { width: 20px; height: 20px; fill: currentColor; }
.round-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.round-btn:not(:disabled):hover { background: var(--surface); }
.lr-test-label { font-size: 0.8rem; font-weight: 700; }

.timer-row { display: flex; justify-content: center; align-items: baseline; gap: 12px; }
.timer { font-size: 1.25rem; font-variant-numeric: tabular-nums; font-weight: 600; }
.timer.blink { animation: blink 1.2s steps(2, start) infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.play-label { color: var(--muted); font-size: 0.9rem; }

.progress { height: 4px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--band); transition: width 0.25s linear; }

.segment-label { text-align: center; min-height: 1.5em; color: var(--muted); margin: 0; }
.test-indicator { text-align: center; font-weight: 700; margin: 0; }
.test-indicator[data-side="left"] { color: var(--left); }
.test-indicator[data-side="right"] { color: var(--right); }

/* ---------- controls ---------- */

.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface-2); border-radius: 12px; margin-bottom: 14px; }
.tabs [role="tab"] {
  flex: 1; min-height: 40px; border: none; border-radius: 9px; background: transparent; cursor: pointer; font-weight: 600; color: var(--muted);
}
.tabs [role="tab"][aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2); }

.field { border: none; margin: 0 0 16px; padding: 0; min-width: 0; }
.field > label, .field legend, .field-head label { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }
.field-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.field-grid .field { margin-bottom: 12px; }

.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; background: var(--surface-2); border-radius: 12px; }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented span {
  display: grid; place-items: center; min-height: 40px; border-radius: 9px; font-weight: 600; font-size: 0.92rem; color: var(--muted);
}
.segmented input:checked + span { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2); }
.segmented input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 1px; }
.segmented input:disabled + span { opacity: 0.5; }

.slider-row { display: flex; align-items: center; gap: 12px; }
.slider-row input[type="range"] { flex: 1; min-width: 0; }
.num-wrap { display: inline-flex; align-items: center; gap: 4px; }
.num-wrap input {
  width: 92px; padding: 8px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2); font-variant-numeric: tabular-nums;
}
.unit { color: var(--muted); font-size: 0.9rem; }

input[type="range"] { accent-color: var(--band); height: 32px; cursor: pointer; }
input:disabled, select:disabled { opacity: 0.55; cursor: not-allowed; }

select {
  width: 100%; min-height: 44px; padding: 8px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
}
select option { background: var(--bg); color: var(--text); }

.carriers { border-top: 1px solid var(--border); padding-top: 12px; }
.carriers summary { cursor: pointer; font-weight: 600; min-height: 32px; }
.carrier-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.carrier-list button {
  width: 100%; text-align: left; padding: 8px 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2);
  display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; align-items: baseline;
}
.carrier-list button:hover { background: var(--surface); }
.carrier-list button[aria-pressed="true"] { border-color: var(--accent); }
.carrier-list .hz { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 4.5em; }
.carrier-list .name { font-weight: 600; }
.carrier-list .desc { grid-column: 2; color: var(--muted); font-size: 0.85rem; }

/* programs */
.program-list { list-style: none; padding: 0; margin: 10px 0; display: grid; gap: 10px; }
.program-card {
  width: 100%; text-align: left; cursor: pointer; padding: 12px 14px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--surface-2); display: grid; gap: 6px;
}
.program-card:hover { background: var(--surface); }
.program-card[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.program-card:disabled { cursor: not-allowed; opacity: 0.6; }
.program-card[aria-pressed="true"]:disabled { opacity: 1; }
.program-head { display: flex; justify-content: space-between; gap: 8px; font-weight: 700; }
.program-len { color: var(--muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.program-desc { color: var(--muted); font-size: 0.875rem; }
.timeline { position: relative; display: flex; height: 10px; border-radius: 6px; overflow: hidden; gap: 2px; }
.timeline span { display: block; height: 100%; opacity: 0.85; }
.timeline .marker {
  position: absolute; top: -2px; bottom: -2px; width: 3px; border-radius: 2px; background: var(--text);
  left: 0; opacity: 0; transition: left 0.25s linear;
}
.program-card.playing .marker { opacity: 1; }

.text-btn { border: none; background: none; color: var(--accent); cursor: pointer; padding: 8px 0; font-weight: 600; }
.text-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- mixer & knobs ---------- */

.mixer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 10px; }
@media (min-width: 560px) { .mixer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 900px) { .mixer-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.channel { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; }
.channel select { font-size: 0.9rem; }
.channel-name { font-weight: 700; }
.channel.master .knob .value-arc { stroke: var(--accent-2); }
.status-text { min-height: 1.2em; font-size: 0.8rem; color: var(--muted); }

.knob { width: 96px; touch-action: none; cursor: ns-resize; user-select: none; -webkit-user-select: none; display: grid; justify-items: center; border-radius: 14px; }
.knob svg { width: 96px; height: 96px; display: block; }
.knob .track { stroke: var(--surface-2); }
.knob .value-arc { stroke: var(--band); transition: stroke 0.3s; }
.knob .face { fill: var(--surface); stroke: var(--border); }
.knob .pointer { stroke: var(--text); }
.knob .readout { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 0.95rem; margin-top: -6px; }
.knob.dim { opacity: 0.5; }
.knob:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* ---------- catalogue ---------- */

.band-legend { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.band-legend li { padding: 10px 12px; border-radius: 12px; background: var(--surface-2); border-left: 4px solid var(--c); }
.band-legend .band-name { font-weight: 700; color: color-mix(in srgb, var(--c), #000 var(--tint)); }
.band-legend .band-range { color: var(--muted); font-size: 0.85rem; margin-left: 6px; font-variant-numeric: tabular-nums; }
.band-legend p { font-size: 0.85rem; margin: 4px 0 0; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.filter-chips button {
  min-height: 36px; padding: 4px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); font-weight: 600; font-size: 0.875rem;
}
.filter-chips button[aria-pressed="true"] { background: var(--c, var(--accent)); color: #0b1020; border-color: transparent; }

.preset-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.preset-card {
  width: 100%; height: 100%; text-align: left; cursor: pointer; padding: 14px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--surface-2);
  display: flex; flex-direction: column; gap: 6px; border-top: 4px solid var(--c);
}
.preset-card:hover { background: var(--surface); }
.preset-card[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--c) inset; }
.preset-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.preset-hz { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; color: color-mix(in srgb, var(--c), #000 var(--tint)); }
.preset-band { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: color-mix(in srgb, var(--c), #000 var(--tint)); }
.preset-name { font-weight: 700; }
.preset-desc { color: var(--muted); font-size: 0.875rem; }
.preset-caution { color: color-mix(in srgb, var(--warn), #000 var(--tint)); font-size: 0.8rem; font-weight: 600; }
.preset-carrier { color: var(--muted); font-size: 0.78rem; margin-top: auto; }

.disclaimer { margin-top: 14px; color: var(--muted); font-size: 0.85rem; font-style: italic; }

/* ---------- about & footer ---------- */

.about-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 10px 0; }
.about-grid p { color: var(--muted); font-size: 0.9rem; }
.footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 8px 16px 32px; }

/* ---------- dialog & toast ---------- */

dialog {
  border: 1px solid var(--border); border-radius: 20px; padding: 0; max-width: min(560px, calc(100vw - 32px));
  background: var(--bg); color: var(--text); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
dialog::backdrop { background: rgba(5, 8, 20, 0.7); backdrop-filter: blur(4px); }
.welcome { padding: 24px; display: grid; gap: 8px; }
.welcome-icon { font-size: 3rem; text-align: center; }
.welcome h2 { text-align: center; font-size: 1.4rem; }
.welcome .lead { font-size: 1.02rem; }
.safety { padding-left: 1.2em; margin: 4px 0; display: grid; gap: 4px; font-size: 0.93rem; }
.primary-btn {
  min-height: 48px; margin-top: 8px; border: none; border-radius: 12px; cursor: pointer; font-weight: 700;
  background: linear-gradient(90deg, var(--left), var(--accent-2)); color: #0b1020;
}

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px; max-width: calc(100vw - 32px);
  padding: 10px 12px 10px 16px; border-radius: 12px;
  background: color-mix(in srgb, var(--danger) 20%, var(--bg)); border: 1px solid var(--danger);
  box-shadow: var(--shadow); z-index: 20;
}
.toast[hidden] { display: none; }
.noscript { text-align: center; padding: 16px; }

/* ---------- v2 additions ---------- */

.pill-btn {
  min-height: 40px; padding: 6px 14px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 0.9rem;
  border: 1px solid var(--border); background: var(--surface-2);
}
.pill-btn:hover { background: var(--surface); }
.pill-btn:disabled { opacity: 0.5; cursor: not-allowed; }
#install { border-color: var(--accent); }

.segmented.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 480px) { .segmented.four { grid-template-columns: repeat(2, 1fr); } }

.field-grid.two { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.check { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; cursor: pointer; min-height: 44px; }
.check input { width: 20px; height: 20px; accent-color: var(--band); }
.check-field { display: flex; align-items: flex-end; }

.sub-head { font-weight: 700; margin: 12px 0 6px; }
.list-title { margin: 18px 0 6px; font-size: 1rem; }

.voice-rows { display: grid; gap: 10px; margin: 8px 0; }
.voice-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  padding: 8px 12px; border-radius: 12px; background: var(--surface-2);
}
.voice-row.off .num-wrap, .voice-row.off .vol, .voice-row.off .chip { opacity: 0.5; }
.voice-row .num-wrap input { width: 84px; }
.voice-row .vol { display: inline-flex; align-items: center; gap: 6px; flex: 1; min-width: 120px; }
.voice-row .vol input { flex: 1; min-width: 0; }
.stack-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }

.program-actions-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 8px 0; }
.program-list li { display: grid; gap: 2px; }
.program-tools { display: flex; gap: 14px; padding: 0 6px; }
.program-tools .text-btn { padding: 4px 0; font-size: 0.85rem; }
.text-btn.danger { color: var(--danger); }

.effects { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; }

.breath-label {
  position: absolute; top: 10px; left: 0; right: 0; margin: 0; text-align: center;
  font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; pointer-events: none;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.export-row { display: flex; gap: 12px; align-items: center; margin: 8px 0; }
.export-row .primary-btn { margin-top: 0; padding: 0 18px; }
.primary-btn:disabled { opacity: 0.6; cursor: progress; }
.export-progress { margin: 6px 0; }
.error-text { color: var(--danger); }

/* program editor */
.editor-dialog { max-width: min(980px, calc(100vw - 24px)); width: 100%; }
.editor { padding: 20px; display: grid; gap: 10px; }
.editor input[type="text"] {
  width: 100%; min-height: 40px; padding: 6px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
}
.seg-table-wrap { overflow-x: auto; }
.seg-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.seg-table th { text-align: left; color: var(--muted); font-weight: 600; padding: 4px 6px; white-space: nowrap; }
.seg-table td { padding: 4px 6px; vertical-align: middle; }
.seg-table .seg-label { min-width: 140px; }
.small-num {
  width: 76px; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2);
  font-variant-numeric: tabular-nums;
}
.pair { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.row-tools { white-space: nowrap; }
.row-tools .icon-btn { margin-left: 2px; }
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.editor-bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.timeline.big { height: 14px; }
.errors { color: var(--danger); margin: 0; padding-left: 1.2em; font-size: 0.875rem; }
.errors:empty { display: none; }
.editor-actions { display: flex; justify-content: flex-end; gap: 16px; align-items: center; }
.editor-actions .primary-btn { margin-top: 0; padding: 0 22px; }

/* ---------- donate ---------- */

.donate { grid-column: 1 / -1; border-color: color-mix(in srgb, #f26822 45%, var(--border)); }
.donate-grid { display: grid; gap: 20px; grid-template-columns: auto minmax(0, 1fr); align-items: center; }
@media (max-width: 640px) { .donate-grid { grid-template-columns: minmax(0, 1fr); justify-items: center; } }
.donate-qr { width: 196px; height: 196px; border-radius: 12px; background: #fff; padding: 6px; }
.donate-body { min-width: 0; }
.xmr-badge {
  display: inline-grid; place-items: center; width: 1.6em; height: 1.6em; border-radius: 50%;
  background: #f26822; color: #fff; font-weight: 800; margin-right: 4px; vertical-align: -0.15em;
}
.xmr-address {
  display: block; margin: 10px 0; padding: 10px 12px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  font: 0.85rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all; user-select: all; -webkit-user-select: all;
}
.donate-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.donate-actions .primary-btn { margin-top: 0; padding: 0 18px; }
.donate-actions .pill-btn, .donate-link { display: inline-flex; align-items: center; text-decoration: none; color: inherit; }
.donate-link { border-color: color-mix(in srgb, #f26822 60%, var(--border)); }
@media (max-width: 480px) { .donate-link { display: none; } }
.footer a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}