/* TalkBooks design system. Source of truth: DESIGN.md (colors, type, components, motion).
   Every text/background pair used here is listed in DESIGN.md `contrast:` and checked by
   design/check-contrast.mjs. */
:root {
  --folio: #F2F5EE; --sheet: #FFFFFF; --pad: #E2E9DD; --carbon: #15211B; --graphite: #3E4A44; --pencil: #5C6862;
  --border: #74817A; --hairline: #D3DCCF; --ruling: #C9D6EA;
  --ledger-blue: #1F47B8; --ledger-blue-press: #16368F; --blue-tint: #E4ECFB;
  --night: #0F1E33; --night-raised: #1A2C47; --night-ledge: #08121F; --on-night: #F2F5EE; --on-night-muted: #B4C0D0; --sky: #9CC2FF;
  --marigold: #F4B728; --marigold-soft: #FCE7A8;
  --tally-green: #13532F; --green-tint: #DDF0DC; --margin-red: #911D16; --red-tint: #FBE3E0; --ochre: #664400; --ochre-tint: #FCEFC7;
  --font-ui: "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, monospace;
  --font-display: "Fraunces", Georgia, serif;
  --ease-settle: cubic-bezier(0.2, 0.8, 0.2, 1); --ease-stamp: cubic-bezier(0.2, 1.4, 0.4, 1); --ease-move: cubic-bezier(0.6, 0, 0.4, 1);
  --press: 120ms; --quick: 180ms;
  --sheet-shadow: 0 1px 0 rgba(21, 33, 27, .06), 0 12px 24px -18px rgba(21, 33, 27, .35);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--folio); color: var(--carbon); font: 400 17px/1.55 var(--font-ui); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; font-variation-settings: 'SOFT' 50, 'WONK' 0; font-optical-sizing: auto; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(34px, 3.5vw + 18px, 64px); line-height: 1.06; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 1.5vw + 22px, 40px); line-height: 1.12; letter-spacing: -0.015em; }
h3 { font-size: 20px; line-height: 1.25; }
p { text-wrap: pretty; margin: 0 0 1em; max-width: 66ch; }
a { color: var(--ledger-blue); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  a:hover { animation: ripple 420ms var(--ease-settle); }
  @keyframes ripple { 0%, 60% { text-decoration-style: wavy; text-underline-offset: 6px; } 100% { text-decoration-style: solid; text-underline-offset: 4px; } }
}
:focus-visible { outline: 3px solid var(--ledger-blue); outline-offset: 3px; border-radius: 4px; }
.slab :focus-visible, .on-night :focus-visible { outline-color: var(--marigold); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -80px; z-index: 20; background: var(--sheet); padding: 12px 16px; border-radius: 12px; }
.skip:focus { top: 12px; }
.muted { color: var(--graphite); }
.hint { color: var(--pencil); font-size: 15px; }
.eyebrow { font: 700 14px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ledger-blue); margin: 0 0 12px; }
.eyebrow-muted { color: var(--graphite); }
.slab .eyebrow-night, .eyebrow-night { color: var(--marigold); }
.slab-cta { margin-top: 32px; }
.inv-badge { margin-top: 10px; }
.verify-banner { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.verify-banner p { margin: 0; }
.money { font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.in { color: var(--tally-green); }
.out { color: var(--margin-red); }
.center { text-align: center; }

mark, .catch { color: inherit; background: linear-gradient(var(--marigold-soft), var(--marigold-soft)) no-repeat 0 88% / 100% 48%;
  border-radius: 4px; padding: 0 .1em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.catch { background-size: 0% 48%; transition: background-size 500ms var(--ease-settle); }
.catch.is-caught { background-size: 100% 48%; }
h1 mark, h2 mark { background-image: linear-gradient(var(--marigold), var(--marigold)); background-size: 100% 36%; }
.slab mark, .on-night mark { color: var(--carbon); background: var(--marigold); padding: 0 .12em; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 10; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 clamp(20px, 4vw, 48px); background: var(--sheet); border-bottom: 1px solid var(--hairline); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--carbon); text-decoration: none;
  font: 600 22px/1 var(--font-display); font-variation-settings: 'SOFT' 50, 'WONK' 0; letter-spacing: -0.01em; }
.brand:hover { animation: none; }
.topbar nav { display: flex; align-items: center; gap: 12px; }
.topbar form { margin: 0; }
.nav-link { color: var(--graphite); text-decoration: none; white-space: nowrap; }
.nav-link:hover { color: var(--carbon); text-decoration: underline; }
.link-standalone { display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; }
.who { color: var(--graphite); font-size: 15px; }
@media (max-width: 520px) { .who { display: none; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px;
  border: 0; border-radius: 12px; font: 700 17px/1 var(--font-ui); text-decoration: none; cursor: pointer; white-space: nowrap;
  background: var(--sheet); color: var(--carbon); border: 2px solid var(--graphite); box-shadow: 0 3px 0 var(--graphite);
  transition: transform var(--press) var(--ease-settle), box-shadow var(--press) var(--ease-settle), background-color var(--quick); }
.btn:hover { transform: translateY(-1px); animation: none; }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--graphite); }
.btn-primary { background: var(--ledger-blue); color: #fff; border: 0; box-shadow: 0 3px 0 var(--night); }
.btn-primary:hover { background: var(--ledger-blue-press); box-shadow: 0 4px 0 var(--night); }
.btn-primary:active { box-shadow: 0 1px 0 var(--night); }
.btn-accent { background: var(--marigold); color: var(--carbon); border: 0; box-shadow: 0 3px 0 var(--night-ledge); }
.btn-danger { background: var(--margin-red); color: #fff; border: 0; box-shadow: 0 3px 0 var(--night); }
.btn-text { background: none; border: 0; box-shadow: none; color: var(--ledger-blue); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; padding: 0 8px; min-height: 44px; }
.btn-text:hover, .btn-text:active { transform: none; box-shadow: none; }
.btn-compact { min-height: 44px; padding: 0 16px; }
.btn-block { width: 100%; }
.btn[disabled] { background: var(--pad); color: var(--graphite); box-shadow: none; border-color: var(--pad); cursor: not-allowed; transform: none; }

/* ---------- forms ---------- */
label, .label { display: block; font: 700 15px/1.3 var(--font-ui); color: var(--carbon); }
.field { margin: 0 0 20px; }
.field .hint, .field .error { display: block; margin-top: 6px; font-weight: 400; }
input, select, textarea { display: block; width: 100%; margin-top: 6px; min-height: 48px; padding: 10px 14px; border: 2px solid var(--border);
  border-radius: 10px; background: var(--sheet); color: var(--carbon); font: 400 17px/1.4 var(--font-ui); }
input::placeholder { color: var(--pencil); }
input:focus, select:focus, textarea:focus { border-color: var(--ledger-blue); outline: 3px solid var(--ledger-blue); outline-offset: 2px; }
input[aria-invalid="true"] { border-color: var(--margin-red); }
.error { color: var(--margin-red); font-size: 15px; }
.error::before { content: "! "; font-weight: 700; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; min-height: 44px; }
.check input { width: 22px; height: 22px; min-height: 0; margin: 2px 0 0; flex: none; accent-color: var(--ledger-blue); }
.alert { display: flex; gap: 8px; background: var(--red-tint); color: var(--margin-red); border-radius: 12px; padding: 12px 14px; margin: 0 0 20px; }
.alert::before { content: "!"; font-weight: 700; }
.notice { background: var(--blue-tint); color: var(--ledger-blue-press); border-radius: 12px; padding: 12px 14px; margin: 0 0 20px; }

/* ---------- surfaces ---------- */
.sheet { background: var(--sheet); border: 1px solid var(--hairline); border-radius: 16px; box-shadow: var(--sheet-shadow); }
.ruled { background-color: var(--folio);
  background-image: linear-gradient(90deg, transparent 71px, rgba(145, 29, 22, .18) 71px, rgba(145, 29, 22, .18) 72px, transparent 72px), linear-gradient(var(--ruling) 1px, transparent 1px);
  background-size: 100% 100%, 100% 32px; }
.slab { position: relative; margin-top: 48px; padding: 72px clamp(20px, 5vw, 72px); background: var(--night); color: var(--on-night); border-radius: 0 28px 28px 28px; }
.slab a:not(.btn) { color: var(--sky); }
.slab .btn-accent { color: var(--carbon); }
.prose { padding-top: 48px; padding-bottom: 72px; max-width: 820px; }
.prose ul { padding-left: 1.2em; max-width: 66ch; }
.prose li { margin-bottom: .6em; }
.prose h2 { margin-top: 1.6em; }
.slab-tab { position: absolute; left: 0; bottom: 100%; margin: 0; padding: 12px 20px 10px; border-radius: 14px 14px 0 0; background: var(--night);
  color: var(--marigold); font: 700 14px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.slab p { color: var(--on-night-muted); }

/* ---------- stamp & double rule ---------- */
.stamp { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 2px solid var(--carbon); border-radius: 6px;
  background: var(--marigold); color: var(--carbon); font: 700 14px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; transform: rotate(-3deg); }
.stamp.paid { background: var(--green-tint); color: var(--tally-green); border-color: var(--tally-green); }
.stamp.is-in { animation: stamp-in 260ms var(--ease-stamp) both; }
@keyframes stamp-in { from { opacity: 0; transform: scale(1.35) rotate(-7deg); } to { opacity: 1; transform: scale(1) rotate(-3deg); } }
.double-rule { position: relative; display: inline-block; padding-bottom: 8px; }
.double-rule::before, .double-rule::after { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor;
  transform-origin: left; transform: scaleX(0); transition: transform 300ms var(--ease-settle); }
.double-rule::before { bottom: 4px; }
.double-rule::after { bottom: 0; transition-delay: 80ms; }
.double-rule.is-final::before, .double-rule.is-final::after { transform: scaleX(1); }

/* ---------- landing ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
.hero { padding: clamp(48px, 8vw, 112px) 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 1023px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(40px, 5vw + 20px, 92px); line-height: 1.02; letter-spacing: -0.025em; }
.lead { font-size: 20px; color: var(--graphite); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.demo { padding: 28px; }
.demo-said { display: flex; gap: 14px; align-items: center; min-height: 72px; }
.demo-said .mic { width: 56px; height: 56px; flex: none; }
.demo-words { font-size: 19px; }
.demo-words > span { opacity: 0; transition: opacity 140ms; }
.demo-words > span.on { opacity: 1; }
.demo-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: center; margin-top: 20px; padding: 14px 0;
  border-top: 1px solid var(--ruling); border-bottom: 1px solid var(--ruling); min-height: 56px; }
.demo-row > * { opacity: 0; transform: translateY(8px); transition: opacity 300ms var(--ease-settle), transform 420ms var(--ease-settle); }
.demo-row.on > * { opacity: 1; transform: none; }
.demo-row.on > :nth-child(2) { transition-delay: 60ms; }
.demo-row.on > :nth-child(3) { transition-delay: 120ms; }
.demo-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; min-height: 48px; gap: 12px; flex-wrap: wrap; }
.demo-foot .stamp { opacity: 0; }
.demo-foot .stamp.is-in { opacity: 1; }
.demo-total { font: 500 clamp(26px, 1.5vw + 20px, 36px)/1.1 var(--font-mono); letter-spacing: -0.02em; }
.section { padding: 72px 0; }
@media (min-width: 1024px) { .section { padding: 112px 0; } }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 32px; }
.feature { padding: 24px; }
.feature h3 { margin-bottom: 8px; }
.feature p { color: var(--graphite); margin: 0; }
.convo { display: flex; flex-direction: column; gap: 12px; max-width: 720px; margin-top: 24px; }
.convo .you { align-self: flex-end; background: var(--night-raised); color: var(--on-night); padding: 12px 16px; border-radius: 16px 16px 4px 16px; max-width: 88%; }
.convo .them { align-self: flex-start; color: var(--on-night); max-width: 88%; display: flex; gap: 10px; }
.convo .them img { flex: none; margin-top: 2px; }
.site-footer { padding: 48px 0 32px; color: var(--on-night-muted); font-size: 15px; }
.site-footer a { color: var(--on-night-muted); }

/* ---------- auth ---------- */
.auth-wrap { min-height: calc(100vh - 64px); padding: 48px 20px; }
.auth-card { max-width: 460px; margin: 0 auto; padding: 32px; }
.auth-card h1 { font-size: clamp(28px, 1.5vw + 22px, 40px); }
.auth-card .foot { margin: 16px 0 0; text-align: center; }

/* ---------- app workspace ---------- */
.workspace { display: grid; grid-template-columns: 5fr 7fr; gap: 24px; padding: 24px clamp(20px, 3vw, 48px); max-width: 1440px; margin: 0 auto; }
@media (max-width: 899px) { .workspace { grid-template-columns: 1fr; padding: 16px 20px; } }
.panel { padding: 20px; min-width: 0; }
.call { display: flex; flex-direction: column; align-items: center; padding: 8px 0 16px; }
.mic { width: 96px; height: 96px; border-radius: 50%; border: 2px solid transparent; background: var(--night); display: grid; place-items: center;
  cursor: pointer; box-shadow: 0 3px 0 var(--night-ledge); transition: transform var(--press) var(--ease-settle), box-shadow var(--press); color: var(--marigold); }
.mic:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--night-ledge); }
.mic { -webkit-tap-highlight-color: transparent; }
.mic[aria-pressed="true"] { outline: 3px solid var(--marigold); outline-offset: 4px; }
.mic[aria-pressed="true"]:focus-visible { outline-color: var(--ledger-blue); }
.vl { width: 48px; height: 24px; overflow: visible; }
.vl path { fill: none; stroke: var(--marigold); stroke-width: 3; stroke-linecap: round; }
.mic.writing .vl-wave { stroke-dasharray: 5 6; animation: vl-write 800ms linear infinite; }
@keyframes vl-write { to { stroke-dashoffset: -22; } }
.mic.listening .vl-wave { animation: vl-breathe 2.4s ease-in-out infinite; transform-origin: center; }
@keyframes vl-breathe { 50% { transform: scaleY(1.8); } }
.vl-rule { stroke-dasharray: 24; stroke-dashoffset: 24; transition: stroke-dashoffset 250ms var(--ease-settle) 300ms; }
.mic.booked .vl-rule { stroke-dashoffset: 0; }
.mic-state { margin: 12px 0 0; text-align: center; font: 700 15px/1.3 var(--font-ui); color: var(--graphite); min-height: 20px; }
.mic-state.err { color: var(--margin-red); }
.mic-state.err::before { content: "! "; }

.confirm { position: relative; margin: 0 0 16px; padding: 20px 20px 20px 26px; overflow: hidden; }
.confirm::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--marigold); }
.confirm h2 { font-size: 20px; line-height: 1.25; margin: 0 0 12px; }
.confirm ul { list-style: none; margin: 0; padding: 0; }
.confirm li { padding: 12px 0; border-top: 1px solid var(--ruling); }
.confirm li:first-child { border-top: 0; padding-top: 0; }
.confirm .what { margin: 0 0 12px; }
.confirm .acts { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.chat { display: flex; flex-direction: column; gap: 14px; max-height: 52vh; overflow-y: auto; padding: 4px 2px; }
@media (max-width: 899px) { .chat { max-height: none; } }
.msg-you { align-self: flex-end; max-width: 88%; background: var(--sheet); border: 1px solid var(--hairline); box-shadow: var(--sheet-shadow);
  border-radius: 16px 16px 4px 16px; padding: 12px 16px; }
.msg-you.hearing { color: var(--graphite); font-style: italic; text-decoration: underline wavy var(--ledger-blue); text-decoration-thickness: 1px; text-underline-offset: 6px; }
.msg-them { align-self: flex-start; display: flex; gap: 10px; max-width: 92%; }
.msg-them img { flex: none; margin-top: 2px; }
.msg-them.err p { color: var(--margin-red); }
.msg-them p { margin: 0; }
.activity { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; margin-left: 34px; font-size: 15px; color: var(--graphite); }
.activity::before { content: ""; width: 14px; height: 2px; background: var(--ledger-blue); border-radius: 2px; }
.chat .stamp { align-self: flex-start; margin-left: 34px; }
.typed { display: flex; gap: 10px; margin-top: 16px; align-items: flex-end; }
.typed .field { flex: 1; margin: 0; }
.typed input { margin-top: 0; }
.settings { margin-top: 20px; border-top: 1px solid var(--hairline); padding-top: 12px; }
.settings summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 700; }
.settings .field { margin: 12px 0; }

/* ---------- books ---------- */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--pad); border-radius: 12px; overflow-x: auto; margin-bottom: 20px; scrollbar-width: thin; }
.tabs [role="tab"] { flex: 1 0 auto; min-height: 44px; padding: 0 14px; border: 0; border-radius: 9px; background: none; color: var(--carbon);
  font: 400 16px/1 var(--font-ui); cursor: pointer; border-bottom: 3px solid transparent; }
.tabs [role="tab"][aria-selected="true"] { background: var(--sheet); font-weight: 700; border-bottom-color: var(--ledger-blue); }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 28px; }
@media (min-width: 1300px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.stat { container-type: inline-size; background: var(--sheet); border: 1px solid var(--hairline); border-radius: 16px; padding: 20px; }
.stat .eyebrow { color: var(--graphite); margin-bottom: 10px; }
.stat-value { display: block; white-space: nowrap; font: 500 clamp(20px, 11cqi, 36px)/1.1 var(--font-mono); letter-spacing: -0.02em; }
.stat-value.double-rule { display: inline-block; }
.books-section + .books-section { margin-top: 28px; }
.books-section h2 { font-size: 24px; line-height: 1.2; }
table.data { width: 100%; border-collapse: collapse; }
table.data caption { text-align: left; }
table.data th { font: 700 14px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--graphite); text-align: left;
  padding: 10px 8px; border-bottom: 2px solid var(--carbon); }
table.data td { padding: 12px 8px; height: 52px; border-bottom: 1px solid var(--ruling); vertical-align: middle; }
table.data .num, table.data th.num { text-align: right; white-space: nowrap; font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; }
table.data th.num { font-weight: 700; }
table.data td.empty { color: var(--graphite); text-align: left; font-family: var(--font-ui); height: auto; padding: 20px 8px; }
table.data td .sub { display: block; font-size: 15px; color: var(--graphite); }
table.data a { font-family: var(--font-mono); font-weight: 700; }
.row-act { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 10px; background: none; color: var(--graphite); cursor: pointer; font-size: 22px; }
.row-act:hover { background: var(--red-tint); color: var(--margin-red); }
@media (max-width: 600px) {
  table.data thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  table.data tr { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--ruling); }
  table.data td { border: 0; height: auto; padding: 0; }
  table.data td.num { white-space: normal; }
  table.data td[data-label]::before { content: attr(data-label); display: block; font: 700 12px/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--graphite); }
  .tabs { flex-wrap: wrap; overflow: visible; }
  .tabs [role="tab"] { flex: 1 1 30%; }
  .stat { padding: 14px; }
}
.badge { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 4px 12px; border-radius: 9999px; font: 700 15px/1.3 var(--font-ui);
  background: var(--pad); color: var(--graphite); white-space: nowrap; }
.badge.paid, .badge.accepted { background: var(--green-tint); color: var(--tally-green); }
.badge.overdue, .badge.declined, .badge.void, .badge.failed { background: var(--red-tint); color: var(--margin-red); }
.badge.partial { background: var(--ochre-tint); color: var(--ochre); }
.badge.sent, .badge.invoiced { background: var(--blue-tint); color: var(--ledger-blue-press); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 12px 20px; margin: 0 0 20px; }
.facts dt { font: 700 14px/1.6 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--graphite); }
.facts dd { margin: 0; }
@media (max-width: 480px) { .facts { grid-template-columns: 1fr; gap: 2px; } .facts dd { margin-bottom: 12px; } }

/* ---------- invoice sheet (customer facing) ---------- */
.paper-wrap { padding: 40px 20px 72px; }
.invoice { position: relative; max-width: 820px; margin: 0 auto; }
.invoice::before { content: ""; position: absolute; inset: 6px -2px -6px 2px; background: var(--pad); border-radius: 6px; transform: rotate(.6deg); z-index: 0; }
.invoice-sheet { position: relative; z-index: 1; background: var(--sheet); border: 1px solid var(--hairline); border-radius: 6px; padding: 56px; box-shadow: var(--sheet-shadow); }
@media (max-width: 600px) { .invoice-sheet { padding: 24px; } }
.inv-head { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.inv-head h1 { font-size: 24px; line-height: 1.2; margin-bottom: 6px; }
.inv-head p { margin: 0; color: var(--graphite); }
.inv-meta { text-align: right; }
.inv-meta .eyebrow { margin-bottom: 4px; }
.inv-number { font: 700 20px/1.2 var(--font-mono); }
@media (max-width: 600px) { .inv-meta { text-align: left; } }
.inv-to { margin-bottom: 24px; }
.inv-total { display: flex; justify-content: flex-end; align-items: center; gap: 20px; margin-top: 24px; flex-wrap: wrap; }
.inv-total .label { color: var(--graphite); }
.inv-total .amount { font: 500 clamp(26px, 1.5vw + 20px, 36px)/1.1 var(--font-mono); letter-spacing: -0.02em; }
.inv-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.inv-actions form { margin: 0; }
.inv-note { margin-top: 32px; color: var(--graphite); }

/* ---------- motion & modes ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
  .mic.writing .vl-wave, .mic.listening .vl-wave { animation: none; }
  .vl-rule, .catch, .double-rule::before, .double-rule::after, .demo-row > *, .demo-words > span { transition: none; }
  .stamp.is-in { animation: stamp-fade 150ms ease both; }
  @keyframes stamp-fade { from { opacity: 0; } }
  .btn, .mic { transition: none; }
}
@media (forced-colors: active) { .mic, .btn { border: 2px solid ButtonText; } .catch, mark { forced-color-adjust: none; } }
@media print {
  .topbar, .no-print, .skip { display: none !important; }
  body { background: #fff; color: #000; }
  .invoice::before { display: none; }
  .invoice-sheet { border: 0; box-shadow: none; padding: 0; }
  .stamp { transform: none; }
  .double-rule::before, .double-rule::after { transform: scaleX(1); }
}

/* 44px touch targets for standalone text links */
.foot a, .site-footer a, table.data td a { display: inline-flex; align-items: center; min-height: 44px; }
.check { min-height: 44px; align-items: center; }
.check input { width: 28px; height: 28px; }
.voice-loading { color: var(--graphite); font-size: 15px; text-align: center; margin: 6px 0 0; }
.to-books { display: none; margin-top: 12px; }
@media (max-width: 899px) { .to-books { display: inline-flex; } }

/* billing & pricing */
.bill-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.paystack-form { margin-top: 16px; max-width: 420px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 32px 0; }
.plan { padding: 24px; display: flex; flex-direction: column; gap: 8px; }
.plan ul { padding-left: 1.2em; margin: 8px 0 16px; flex: 1; }
.plan-price { font: 500 clamp(30px, 2vw + 20px, 44px)/1.1 var(--font-mono); margin: 0; }
.plan-price .muted { font-size: 17px; }
.plan-pro { border: 2px solid var(--ledger-blue); }