:root {
  --bg: #f6f6f7;
  --bg-deep: #ececef;
  --surface: #ffffff;
  --surface-2: #f3f3f5;
  --line: #e6e6ea;
  --line-strong: #d5d5dc;
  --ink: #17171c;
  --ink-2: #3c3c46;
  --muted: #6d6d78;
  --accent: #5b4be6;
  --accent-hover: #4a3bd0;
  --accent-soft: #ebe8fc;
  --accent-2: #8b5cf6;
  --citrus: #f5b944;
  --grad: linear-gradient(120deg, #5b4be6 0%, #8b5cf6 55%, #c084fc 100%);
  --ok: #1f8a5b;
  --ok-soft: #e2f3ea;
  --bad: #d33b4d;
  --bad-soft: #fbe7ea;
  --warn: #b5761a;
  --warn-soft: #f7ecd7;
  --mark: #f5d98a;
  --focus: 0 0 0 3px rgba(91, 75, 230, 0.28);
  --shadow-sm: 0 1px 2px rgba(25, 21, 39, 0.06);
  --shadow: 0 1px 2px rgba(25, 21, 39, 0.05), 0 10px 30px rgba(25, 21, 39, 0.08);
  --shadow-lg: 0 2px 8px rgba(25, 21, 39, 0.08), 0 30px 70px rgba(25, 21, 39, 0.16);
  --radius: 22px;
  --radius-sm: 16px;
  --radius-lg: 28px;
  --chat-width: 46rem;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --serif: "Iowan Old Style", Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, "Noto Serif", "DejaVu Serif", serif;
  --rail-w: 16rem;
  --controls-w: 22.5rem;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; min-height: 100dvh; }

h1, h2, h3, p, ol, ul { margin: 0; }

button, input, select, textarea { font: inherit; color: inherit; }

.hidden, [hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }

/* Buttons */

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.25rem;
  padding: 0 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  font-weight: 500;
  font-size: 0.93rem;
  cursor: pointer;
  transition: background-color 120ms, border-color 120ms, color 120ms, box-shadow 120ms;
  white-space: nowrap;
}

button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .drop:focus-within {
  outline: none;
  box-shadow: var(--focus);
}

button:disabled { opacity: 0.55; cursor: not-allowed; }

button.primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
button.primary:hover:not(:disabled) { background: var(--accent-hover); }

button.secondary { background: var(--surface); border-color: var(--line-strong); color: var(--ink); box-shadow: var(--shadow-sm); }
button.secondary:hover:not(:disabled) { background: var(--surface-2); border-color: color-mix(in srgb, var(--accent) 40%, var(--line-strong)); }

button.quiet { color: var(--ink-2); }
button.quiet:hover:not(:disabled) { background: rgba(31, 27, 22, 0.06); color: var(--ink); }

button.small { min-height: 2rem; padding: 0 0.7rem; font-size: 0.87rem; }
button.block { width: 100%; }

.icon-button {
  width: 2.25rem;
  padding: 0;
  color: var(--ink-2);
}

.icon-button:hover { background: rgba(31, 27, 22, 0.06); }

/* Form controls */

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.5rem 0.7rem;
  min-height: 2.4rem;
  transition: border-color 120ms, box-shadow 120ms;
}

input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line-strong)); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--accent); }

select {
  appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 8l4 4 4-4' fill='none' stroke='%23776e63' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.55rem center;
  background-size: 1rem;
}

textarea { resize: vertical; line-height: 1.5; }

input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  min-height: 0;
  padding: 0;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
}

.field { display: grid; gap: 0.35rem; }
.field > span { font-size: 0.84rem; font-weight: 500; color: var(--ink-2); }

.note, .hint { color: var(--muted); font-size: 0.87rem; }

.banner {
  margin: 0;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bad-soft);
  color: var(--bad);
  font-size: 0.87rem;
}

.banner.ok { background: var(--ok-soft); color: var(--ok); }
.banner:empty { display: none; }

/* Brand */

.brand { display: flex; align-items: center; gap: 0.65rem; }

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 7px;
  background: var(--accent);
  position: relative;
  flex: none;
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 34%;
  top: 22%;
  width: 11%;
  height: 56%;
  border-radius: 1px;
  background: #ffffff;
}

.brand-text { display: grid; line-height: 1.15; min-width: 0; }
.brand-title { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; }
.brand-name { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em; }

/* Auth */

.auth {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.auth-intro {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding: 2.5rem clamp(2rem, 6vw, 5.5rem);
  background: var(--bg-deep);
  border-right: 1px solid var(--line);
}

.auth-intro .brand-name { font-size: 0.9rem; color: var(--ink-2); font-weight: 500; }

.auth-copy { margin: auto 0; max-width: 30rem; }

.auth-copy h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.auth-copy .lede { margin-top: 0.9rem; font-size: 1.15rem; color: var(--ink-2); }

.jobs {
  list-style: none;
  padding: 0;
  margin-top: 2rem;
  display: grid;
  gap: 0.2rem;
  counter-reset: job;
  border-top: 1px solid var(--line-strong);
}

.jobs li {
  counter-increment: job;
  display: grid;
  grid-template-columns: 2rem 1fr;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}

.jobs li::before {
  content: counter(job, decimal-leading-zero);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  padding-top: 0.12rem;
}

.auth-foot { color: var(--muted); font-size: 0.87rem; max-width: 30rem; }

.auth-panel {
  display: grid;
  place-items: center;
  padding: 2.5rem 1.5rem;
}

.auth-form {
  width: min(23rem, 100%);
  display: grid;
  gap: 1rem;
}

.auth-form h2 { font-family: var(--serif); font-weight: 600; font-size: 1.6rem; margin-top: 0.5rem; }

.auth-form .primary { min-height: 2.6rem; margin-top: 0.25rem; }

.auth-form[data-mode="login"] .register-only { display: none; }

.auth-mobile-brand { display: none; }
.auth-mobile-brand .brand-name { font-size: 0.87rem; }

.segmented {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding: 3px;
  border-radius: 10px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
}

.segmented button {
  min-height: 2rem;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.88rem;
}

.segmented button:hover { color: var(--ink); }

.segmented button[aria-selected="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

/* Desk shell */

.desk {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--controls-w);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-height: 0;
  padding: 1rem 0.75rem 0.75rem;
  background: var(--bg-deep);
  border-right: 1px solid var(--line);
}

.rail > .brand { padding: 0 0.35rem 0.9rem; }
.rail .drawer-close, .controls .drawer-close { display: none; margin-left: auto; }

.new-thread {
  justify-content: flex-start;
  width: 100%;
  background: var(--surface);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  padding: 0 0.7rem;
}

.new-thread:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line-strong)); }
.new-thread svg { color: var(--accent); }

.rail-label {
  margin: 1.1rem 0.45rem 0.35rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.thread-list, .source-list {
  list-style: none;
  padding: 0;
  display: grid;
  align-content: start;
}

.thread-list { gap: 1px; overflow-y: auto; min-height: 0; flex: 1; margin: 0 -0.25rem; padding: 0 0.25rem; }

.thread-list button {
  display: grid;
  gap: 0.05rem;
  justify-items: start;
  width: 100%;
  min-height: 0;
  padding: 0.5rem 0.6rem;
  text-align: left;
  font-weight: 400;
  color: var(--ink-2);
  white-space: normal;
}

.thread-list button:hover { background: rgba(31, 27, 22, 0.05); }

.thread-list button[aria-current="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.thread-name {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
}

.thread-list button[aria-current="true"] .thread-name { font-weight: 500; }

.thread-date { font-size: 0.76rem; color: var(--muted); }

.thread-empty { padding: 0.35rem 0.45rem; color: var(--muted); font-size: 0.87rem; }

.account {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.75rem 0.35rem 0;
  border-top: 1px solid var(--line);
}

.account-email {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--ink-2);
}

/* Main page */

.page {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
}

.page-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 4.25rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(245, 242, 236, 0.92);
}

.head-copy { flex: 1; min-width: 0; }

.thread-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread-meta {
  margin-top: 0.1rem;
  font-size: 0.84rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.open-rail, .open-controls { display: none; }

.transcript {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
  gap: 2.25rem;
  padding: 1.75rem clamp(1rem, 3vw, 2rem) 2rem;
}

.transcript > * { width: 100%; max-width: 60rem; margin: 0 auto; }

.transcript:has(> .empty) { align-content: center; }

/* Empty states */

.empty {
  max-width: 34rem;
  padding: 0.5rem 0;
}

.empty h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.empty > .note { margin-top: 0.5rem; font-size: 0.98rem; }

.steps {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
  display: grid;
  gap: 0.6rem;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  align-items: start;
  gap: 0.65rem;
  padding: 0.8rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Turns and messages */

.turn { display: grid; gap: 1rem; }

.message.user {
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--line-strong);
}

.message.user .reply-text {
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--ink-2);
  max-width: 44rem;
}

.message-label {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.compare-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
  align-items: start;
}

.reply-stack { display: grid; gap: 1rem; }

.message.assistant {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.message-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1.15rem 0;
}

.method-name {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.35rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 500;
  background: var(--bg-deep);
  color: var(--ink-2);
  white-space: nowrap;
}

.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }

.reply-text {
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-width: 40rem;
}

.message.assistant .reply-text { padding: 0.55rem 1.15rem 1.1rem; }
.message.user .reply-text { margin-top: 0.2rem; }

.reply-text mark {
  background: var(--mark);
  color: inherit;
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--mark);
}

.reply-text::selection, .reply-text *::selection { background: var(--accent-soft); }

.message.unavailable { background: var(--surface-2); box-shadow: none; }
.message.unavailable .method-name { color: var(--muted); }

.unavailable-copy {
  padding: 0.5rem 1.15rem 1rem;
  color: var(--ink-2);
  font-size: 0.9rem;
  max-width: 40rem;
}

.comment-list { display: grid; gap: 0.5rem; padding: 0 1.15rem 1rem; }
.comment-list:empty { display: none; }

.comment {
  display: grid;
  gap: 0.15rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--warn-soft);
  border-left: 3px solid var(--citrus);
}

.comment q { color: var(--muted); font-size: 0.84rem; font-style: italic; }
.comment p { font-size: 0.92rem; }

.general-note {
  margin: 0 1.15rem 1rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-2);
  white-space: pre-wrap;
}

.general-note .message-label { display: block; margin-bottom: 0.15rem; }

.reply-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
  padding: 0.6rem 0.8rem 0.6rem 1.15rem;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
}

.rating { display: flex; align-items: center; gap: 0.5rem; }
.rating-label { font-size: 0.84rem; color: var(--muted); }

.rating-scale {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
}

.rating-scale button {
  min-width: 2.1rem;
  min-height: 2rem;
  padding: 0;
  border-radius: 0;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.rating-scale button + button { border-left: 1px solid var(--line); }
.rating-scale button:hover { background: var(--surface-2); color: var(--ink); }

.rating-scale button[aria-pressed="true"] { background: var(--accent); color: #fff; }

.note-form {
  flex-basis: 100%;
  display: grid;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

.note-form textarea { min-height: 4.5rem; }
.note-form .actions { justify-content: flex-end; }

.actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

.pending {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.pending::before {
  content: "";
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Composer */

.composer-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem) 1.1rem;
  padding-bottom: max(1.1rem, env(safe-area-inset-bottom));
}

.composer-wrap > * { width: 100%; max-width: 60rem; margin: 0 auto; }

.composer {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 120ms, box-shadow 120ms;
}

.composer:focus-within { border-color: var(--accent); box-shadow: var(--shadow), var(--focus); }

.composer textarea {
  display: block;
  border: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
  min-height: 5.25rem;
  max-height: 40vh;
  padding: 0.85rem 1rem 0.35rem;
  font-size: 1rem;
  resize: none;
}

.composer textarea:focus-visible { box-shadow: none; }

.composer-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.5rem 0.5rem 0.6rem;
}

.method-summary {
  min-width: 0;
  max-width: 100%;
  min-height: 2rem;
  padding: 0 0.6rem;
  margin-right: auto;
  border-radius: 999px;
  background: var(--bg);
  border-color: var(--line);
  color: var(--ink-2);
  font-size: 0.84rem;
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  line-height: 2rem;
}

.method-summary:hover { background: var(--bg-deep); }
.method-summary strong { font-weight: 600; color: var(--ink); }

.kbd-hint { font-size: 0.78rem; color: var(--muted); white-space: nowrap; }

/* Controls */

.controls {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--surface);
  border-left: 1px solid var(--line);
}

.controls-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 4.25rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
}

.tabs {
  flex: 1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding: 3px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
}

.tabs button {
  min-height: 2rem;
  padding: 0 0.4rem;
  border-radius: 7px;
  font-size: 0.87rem;
  color: var(--muted);
}

.tabs button:hover { color: var(--ink); }

.tabs button[aria-selected="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.count { font-size: 0.76rem; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; }
.count:empty { display: none; }

.voice-form { display: flex; flex-direction: column; flex: 1; min-height: 0; }

.panel-body { flex: 1; min-height: 0; overflow-y: auto; padding: 1.1rem 1rem 1.5rem; }

.panel { display: grid; gap: 0.9rem; align-content: start; }

.panel h3 {
  margin-top: 0.6rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-foot {
  display: grid;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.field-grid { display: grid; gap: 0.75rem; }
.overlay { display: grid; gap: 0.75rem; }

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
}

.row-title { display: block; font-weight: 500; font-size: 0.92rem; }
.row-note { display: block; font-size: 0.82rem; color: var(--muted); }

input.switch {
  appearance: none;
  position: relative;
  width: 2.35rem;
  height: 1.35rem;
  border-radius: 999px;
  border: 0;
  background: var(--line-strong);
  cursor: pointer;
  transition: background-color 150ms;
}

input.switch::after {
  content: "";
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform 150ms;
}

input.switch:checked { background: var(--accent); }
input.switch:checked::after { transform: translateX(1rem); }

.method-fields {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.method-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 0.7rem;
  padding: 0.65rem 0.85rem;
  cursor: pointer;
}

.method-option + .method-option { border-top: 1px solid var(--line); }
.method-option:hover { background: var(--surface-2); }
.method-option:has(input:checked) { background: var(--accent-soft); }

.method-label { font-size: 0.92rem; font-weight: 500; }

.method-note {
  grid-column: 2 / -1;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
}

.method-option.unrunnable .method-label { color: var(--muted); }

.gate-fields { display: grid; gap: 0.75rem; }

.check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  cursor: pointer;
}

.gate-list {
  display: grid;
  gap: 0.6rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* Sources */

.sources { gap: 1rem; grid-auto-rows: max-content; }

.upload { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem; align-items: stretch; }

.drop {
  position: relative;
  display: grid;
  align-content: center;
  gap: 0.05rem;
  min-width: 0;
  padding: 0.55rem 0.8rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 120ms, background-color 120ms;
}

.drop:hover { border-color: var(--accent); background: var(--accent-soft); }

.drop input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  min-height: 0;
}

.drop-title {
  font-size: 0.9rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drop-note { font-size: 0.78rem; color: var(--muted); }

.upload .primary { min-height: 100%; }

.list-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.4rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.list-head span:last-child { text-transform: none; letter-spacing: 0; font-weight: 400; font-size: 0.82rem; }

.source-list { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.source-list:has(> .source-empty) { border-style: dashed; }

.source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.6rem 0.65rem 0.85rem;
}

.source-row + .source-row { border-top: 1px solid var(--line); }

.source-copy { min-width: 0; }

.source-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-kind { font-size: 0.8rem; color: var(--muted); }

.inout {
  display: inline-flex;
  flex: none;
  padding: 2px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
}

.inout button {
  min-height: 1.75rem;
  min-width: 2.6rem;
  padding: 0 0.55rem;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--muted);
}

.inout button:hover:not([aria-pressed="true"]) { color: var(--ink); }
.inout button.out[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.inout button.in[aria-pressed="true"] { background: var(--ok); color: #fff; }

.source-empty { display: grid; gap: 0.15rem; padding: 1rem 0.85rem; text-align: center; }
.source-empty .row-title { color: var(--ink-2); }

.corpus-check {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.85rem;
}

.corpus-check[data-tone="warn"] { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.corpus-check:empty { display: none; }

.guide {
  margin-top: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1rem;
}

.guide summary {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}

.guide summary::-webkit-details-marker { display: none; }

.guide summary::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 120ms;
}

.guide[open] summary::before { transform: rotate(45deg); }
.guide summary:hover { color: var(--ink); }
.guide summary:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 4px; }
.guide[open] summary { margin-bottom: 0.75rem; }
.guide > .note { margin-bottom: 0.75rem; }

.guide-list {
  list-style: none;
  padding: 0;
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  counter-reset: guide;
}

.guide-list li {
  counter-increment: guide;
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  column-gap: 0.6rem;
  row-gap: 0.1rem;
  padding: 0.7rem 0.85rem;
}

.guide-list li + li { border-top: 1px solid var(--line); }

.guide-list li::before {
  content: counter(guide);
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.guide-list .row-note { line-height: 1.45; }

.corpus-link { cursor: default; flex-direction: column; align-items: flex-start; gap: 0.6rem; }

.voice-profile { display: grid; gap: 0.4rem; margin-top: 0.6rem; }
.voice-profile .guide-list { counter-reset: guide; }
.voice-profile .guide-list:empty { display: none; }
.voice-profile .guide-list li { grid-template-columns: 1.6rem 1fr; }

/* Comment popover */

.comment-pop {
  position: fixed;
  inset: auto;
  margin: 0;
  width: min(21rem, calc(100vw - 1rem));
  max-height: calc(100dvh - 1rem);
  overflow: auto;
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.comment-pop:not(:popover-open) { display: none; }

.comment-pop .quote {
  padding: 0.4rem 0.6rem;
  border-left: 3px solid var(--citrus);
  background: var(--warn-soft);
  border-radius: 0 6px 6px 0;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-2);
  max-height: 6rem;
  overflow: auto;
}

.comment-pop textarea { min-height: 4.5rem; }
.comment-pop .actions { justify-content: flex-end; }

/* Drawers */

.scrim { display: none; }

@media (max-width: 1180px) {
  .desk { grid-template-columns: minmax(0, 1fr) var(--controls-w); }

  .rail {
    position: fixed;
    z-index: 20;
    inset: 0 auto 0 0;
    width: min(18rem, 86vw);
    transform: translateX(-102%);
    visibility: hidden;
    transition: transform 200ms ease, visibility 0s linear 200ms;
  }

  .desk[data-drawer="rail"] .rail {
    transform: none;
    visibility: visible;
    box-shadow: var(--shadow-lg);
    transition: transform 200ms ease;
  }
  .rail .drawer-close { display: inline-flex; }
  .open-rail { display: inline-flex; margin-left: -0.5rem; }

  .desk[data-drawer]:not([data-drawer=""]) .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 15;
    background: rgba(31, 27, 22, 0.32);
  }
}

@media (max-width: 860px) {
  .desk { grid-template-columns: minmax(0, 1fr); }

  .controls {
    position: fixed;
    z-index: 20;
    inset: 0 0 0 auto;
    width: min(24rem, 92vw);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform 200ms ease, visibility 0s linear 200ms;
  }

  .desk[data-drawer="controls"] .controls {
    transform: none;
    visibility: visible;
    box-shadow: var(--shadow-lg);
    transition: transform 200ms ease;
  }
  .controls .drawer-close { display: inline-flex; }
  .open-controls { display: inline-flex; }

  input, select, textarea, .composer textarea { font-size: 16px; }
  .page-head { min-height: 3.75rem; }
  .thread-title { font-size: 1.12rem; }
  .kbd-hint { display: none; }

  .auth { grid-template-columns: 1fr; }

  .auth-intro {
    order: 2;
    gap: 1.5rem;
    padding: 2rem 1.5rem 2.5rem;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .auth-intro .brand, .auth-copy h1, .auth-copy .lede { display: none; }
  .auth-copy { margin: 0; }
  .jobs { margin-top: 0; }

  .auth-panel { order: 1; place-items: start center; padding: 2rem 1.5rem 2.25rem; }
  .auth-mobile-brand { display: flex; margin-bottom: 0.75rem; }
}

@media (max-width: 560px) {
  :root { font-size: 15px; }
  .transcript { gap: 1.75rem; padding-top: 1.25rem; }
  .message.assistant .reply-text { font-size: 1.04rem; }
  .reply-foot { padding-left: 0.9rem; }
  .message-head, .message.assistant .reply-text, .unavailable-copy, .comment-list { padding-left: 0.9rem; padding-right: 0.9rem; }
  .general-note { margin-left: 0.9rem; margin-right: 0.9rem; }
  .empty h2 { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation-duration: 0.01ms !important; }
}


/* Email situations and draft check */
.situation-form { display: grid; gap: 0.6rem; }
.situation-rows { display: grid; gap: 0.6rem; max-height: 26rem; overflow-y: auto; }
.gmail-choice { display: grid; gap: 0.25rem; }
.gmail-choice button { justify-self: start; }
.gmail-preview { white-space: pre-wrap; overflow-wrap: anywhere; }
.gmail-consent { width: min(34rem, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); overflow-y: auto; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); color: var(--ink); }
.gmail-consent::backdrop { background: rgb(20 24 25 / 55%); }
.gmail-consent-actions { display: flex; justify-content: flex-end; gap: 0.75rem; }
.situation-row { border: 1px solid var(--line); border-radius: var(--radius); padding: 0.6rem 0.75rem; display: grid; gap: 0.4rem; }
.situation-row legend { padding: 0 0.25rem; }
.situation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
.check-form { display: grid; gap: 0.6rem; }
.check-result { display: grid; gap: 0.35rem; }
.check-flags { margin: 0; padding-left: 1.1rem; font-size: 0.87rem; }

/* Preferences: theme and text size */

:root[data-text="small"] { font-size: 14px; }
:root[data-text="large"] { font-size: 16.5px; }

:root[data-theme="dark"] {
  --bg: #141416;
  --bg-deep: #0e0e11;
  --surface: #1e1e24;
  --surface-2: #17171c;
  --line: #2c2c34;
  --line-strong: #3c3c46;
  --ink: #f4f4f6;
  --ink-2: #d0d0d8;
  --muted: #9a9aa6;
  --accent: #9182ff;
  --accent-hover: #a598ff;
  --accent-soft: #241f3d;
  --accent-2: #b18bff;
  --citrus: #f5c451;
  --grad: linear-gradient(120deg, #7c6bff 0%, #9d7bff 55%, #c8a2ff 100%);
  --ok: #5fd39a;
  --ok-soft: #163227;
  --bad: #f38a95;
  --bad-soft: #38181f;
  --warn: #e0b45c;
  --warn-soft: #2f2513;
  --mark: #6a4e12;
  --focus: 0 0 0 3px rgba(145, 130, 255, 0.35);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"], :root:not([data-theme]) {
    --bg: #141416;
    --bg-deep: #0e0e11;
    --surface: #1e1e24;
    --surface-2: #17171c;
    --line: #2c2c34;
    --line-strong: #3c3c46;
    --ink: #f4f4f6;
    --ink-2: #d0d0d8;
    --muted: #9a9aa6;
    --accent: #9182ff;
    --accent-hover: #a598ff;
    --accent-soft: #241f3d;
    --accent-2: #b18bff;
    --citrus: #f5c451;
    --grad: linear-gradient(120deg, #7c6bff 0%, #9d7bff 55%, #c8a2ff 100%);
    --ok: #5fd39a;
    --ok-soft: #163227;
    --bad: #f38a95;
    --bad-soft: #38181f;
    --warn: #e0b45c;
    --warn-soft: #2f2513;
    --mark: #6a4e12;
    --focus: 0 0 0 3px rgba(145, 130, 255, 0.35);
    color-scheme: dark;
  }
}

/* Dark overrides for a few surfaces that hardcode a light color */

:root[data-theme="dark"] .flow-node,
:root[data-theme="dark"] .comment,
:root[data-theme="dark"] .comment-pop .quote { background: var(--surface); }
:root[data-theme="dark"] input.switch::after { background: var(--ink); }
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] .flow-node,
  :root[data-theme="system"] .comment,
  :root[data-theme="system"] .comment-pop .quote,
  :root:not([data-theme]) .flow-node { background: var(--surface); }
  :root[data-theme="system"] input.switch::after,
  :root:not([data-theme]) input.switch::after { background: var(--ink); }
}

:root[data-accent] {
  --accent-soft: color-mix(in srgb, var(--accent) 16%, var(--surface));
  --focus: 0 0 0 3px color-mix(in srgb, var(--accent) 32%, transparent);
  --grad: linear-gradient(120deg, var(--accent), color-mix(in srgb, var(--accent) 42%, white));
}
:root[data-accent="blue"] { --accent: #2563eb; --accent-hover: #1d4ed8; --accent-2: #60a5fa; }
:root[data-accent="green"] { --accent: #0f8a62; --accent-hover: #0b6e4e; --accent-2: #34d399; }
:root[data-accent="ink"] { --accent: #17171c; --accent-hover: #2a2a32; --accent-2: #5c5c68; }
:root[data-accent="warm"] { --accent: #c45c26; --accent-hover: #a34a1c; --accent-2: #f0a06a; }
:root[data-theme="dark"][data-accent="blue"] { --accent: #8eb0ff; --accent-hover: #b3c8ff; --accent-2: #8eb0ff; }
:root[data-theme="dark"][data-accent="green"] { --accent: #5dcca6; --accent-hover: #8ee0c2; --accent-2: #5dcca6; }
:root[data-theme="dark"][data-accent="ink"] { --accent: #f4f4f6; --accent-hover: #ffffff; --accent-2: #d0d0d8; }
:root[data-theme="dark"][data-accent="warm"] { --accent: #f0a06a; --accent-hover: #f6c09a; --accent-2: #f0a06a; }
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"][data-accent="blue"],
  :root:not([data-theme])[data-accent="blue"] { --accent: #8eb0ff; --accent-hover: #b3c8ff; --accent-2: #8eb0ff; }
  :root[data-theme="system"][data-accent="green"],
  :root:not([data-theme])[data-accent="green"] { --accent: #5dcca6; --accent-hover: #8ee0c2; --accent-2: #5dcca6; }
  :root[data-theme="system"][data-accent="ink"],
  :root:not([data-theme])[data-accent="ink"] { --accent: #f4f4f6; --accent-hover: #ffffff; --accent-2: #d0d0d8; }
  :root[data-theme="system"][data-accent="warm"],
  :root:not([data-theme])[data-accent="warm"] { --accent: #f0a06a; --accent-hover: #f6c09a; --accent-2: #f0a06a; }
}
:root[data-corners="soft"] { --radius: 16px; --radius-sm: 12px; --radius-lg: 20px; }
:root[data-corners="round"] { --radius: 22px; --radius-sm: 16px; --radius-lg: 28px; }
:root[data-corners="pill"] { --radius: 28px; --radius-sm: 20px; --radius-lg: 999px; }
:root[data-width="cozy"] { --chat-width: 40rem; }
:root[data-width="standard"] { --chat-width: 46rem; }
:root[data-width="wide"] { --chat-width: 62rem; }

/* Landing page */

button.large { min-height: 3rem; padding: 0 1.5rem; font-size: 1rem; border-radius: 999px; }

.landing {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
}
.landing[hidden] { display: none; }

.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: 1.15rem clamp(1.25rem, 5vw, 4rem);
}
.landing-nav .brand { margin-right: auto; }
.landing-nav .brand-name { font-size: 1.1rem; color: var(--ink); font-weight: 650; letter-spacing: -0.01em; }
.landing-nav-links { display: flex; align-items: center; gap: 1.5rem; }
.landing-nav-links a { color: var(--ink-2); text-decoration: none; font-size: 0.92rem; font-weight: 500; }
.landing-nav-links a:hover { color: var(--accent); }

/* Hero */
.landing-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1.25rem, 5vw, 4rem) clamp(3.5rem, 7vw, 6rem);
}
.landing-hero-bg {
  position: absolute;
  inset: -6rem clamp(1rem, 5vw, 4rem) 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(38rem 24rem at 26% 20%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(30rem 20rem at 78% 16%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 58%);
  opacity: 0.85;
  -webkit-mask: radial-gradient(78% 82% at 50% 32%, #000 42%, transparent 100%);
  mask: radial-gradient(78% 82% at 50% 32%, #000 42%, transparent 100%);
}
.landing-hero > :not(.landing-hero-bg) { position: relative; z-index: 1; }
.landing-hero-copy { display: grid; justify-items: start; gap: 1.4rem; }
.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
}
.landing-badge-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); flex: none; }
.landing-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 5.6vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}
.landing-hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.landing-hero h1 em { font-style: italic; }
.landing-lede { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--ink-2); max-width: 46ch; line-height: 1.6; }
.landing-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.landing-cta .primary { background: var(--grad); border: 0; box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent); }
.landing-cta .primary:hover:not(:disabled) { filter: brightness(1.05); box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 45%, transparent); }
.landing-secondary { color: var(--ink-2); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--line-strong); padding-bottom: 2px; }
.landing-secondary:hover { color: var(--ink); border-color: var(--accent); }
.landing-trust { list-style: none; padding: 0; margin: 0.25rem 0 0; display: flex; flex-wrap: wrap; gap: 0.75rem 1.4rem; }
.landing-trust li { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.86rem; font-weight: 500; color: var(--muted); }
.landing-trust svg { width: 1rem; height: 1rem; color: var(--accent); stroke-width: 2.4; }
.landing-hero .banner { width: 100%; }
.landing-hero .banner:empty { display: none; }

/* Hero preview card */
.landing-preview { display: grid; }
.landing-preview-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}
.landing-preview-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad);
}
.landing-preview-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.landing-preview-dot { width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--line-strong); }
.landing-preview-name { margin-left: 0.6rem; font-size: 0.82rem; font-weight: 650; color: var(--ink-2); }
.landing-preview-body { display: grid; gap: 0.85rem; padding: 1.15rem; }
.landing-preview-msg { margin: 0; font-size: 0.92rem; line-height: 1.55; }
.landing-preview-msg.user {
  justify-self: end;
  max-width: 80%;
  padding: 0.6rem 0.9rem;
  border-radius: 14px 14px 4px 14px;
  background: var(--accent-soft);
  color: var(--ink);
}
.landing-preview-msg.assistant {
  justify-self: start;
  max-width: 92%;
  padding: 0.85rem 1rem;
  border-radius: 14px 14px 14px 4px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-2);
}
.landing-preview-msg.assistant p { margin: 0.4rem 0 0; }
.landing-preview-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Features */
.landing-features {
  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}
.landing-features-heading {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 1rem 1.5rem;
  margin-bottom: 0.5rem;
}
.landing-features-heading h2 { font-family: var(--serif); font-size: clamp(1.9rem, 3.5vw, 3rem); line-height: 1.08; font-weight: 500; letter-spacing: -0.03em; max-width: 26ch; }
.landing-features-heading p { max-width: 34ch; color: var(--ink-2); line-height: 1.55; }
.feature {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.feature-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 0.15rem;
}
.feature-icon svg { width: 1.35rem; height: 1.35rem; stroke-width: 1.9; }
.feature h3 { font-weight: 650; font-size: 1.2rem; letter-spacing: -0.02em; }
.feature p { color: var(--ink-2); line-height: 1.55; }

/* Steps */
.landing-steps {
  display: grid;
  gap: 1.75rem;
  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem);
}
.landing-steps .landing-features-heading { margin-bottom: 0; }
.landing-steps-list {
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  counter-reset: none;
}
.landing-steps-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.9rem;
  min-width: 0;
  padding: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
}
.landing-steps-list li::before { content: none; }
.landing-step-copy { display: grid; gap: 0.3rem; min-width: 0; }
.landing-steps-list strong { color: var(--ink); font-weight: 650; font-size: 1.02rem; }
.landing-steps-list .landing-step-copy > span { color: var(--ink-2); line-height: 1.5; font-size: 0.94rem; }
.landing-step-number {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  flex: none;
}

/* Final CTA */
.landing-final { width: 100%; max-width: 78rem; margin: 0 auto; padding: clamp(1rem, 3vw, 2rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem); }
.landing-final-card {
  position: relative;
  overflow: hidden;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 1.1rem;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  border-radius: 32px;
  background: linear-gradient(120deg, #4f3fd9 0%, #6d4ff0 55%, #8b5cf6 100%);
  color: #fff;
}
.landing-final-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(30rem 18rem at 80% 0%, rgba(255, 255, 255, 0.22), transparent 70%);
  pointer-events: none;
}
.landing-final-card > * { position: relative; z-index: 1; }
.landing-final-card h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -0.03em; }
.landing-final-card p { max-width: 46ch; color: rgba(255, 255, 255, 0.9); line-height: 1.55; font-size: 1.05rem; }
.landing-final-card .primary { background: #fff; color: #4f3fd9; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18); }
.landing-final-card .primary:hover:not(:disabled) { background: #fff; filter: brightness(0.97); }
.landing-final-card .primary svg { color: #4f3fd9; }

/* Footer */
.landing-foot {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  max-width: 78rem;
  margin-inline: auto;
  padding: 1.75rem clamp(1.25rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}
.landing-foot .brand-name { color: var(--ink-2); font-weight: 650; letter-spacing: -0.01em; }
.landing-foot-note { color: var(--muted); }

@media (max-width: 900px) {
  .landing-hero { grid-template-columns: 1fr; gap: 2.5rem; }
  .landing-hero-copy { justify-items: start; }
  .landing-preview { max-width: 34rem; }
}

@media (max-width: 760px) {
  .landing-nav-links { display: none; }
  .landing-features { grid-template-columns: 1fr; }
  .landing-steps-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .landing-hero h1 { font-size: clamp(2.6rem, 11vw, 3.6rem); }
  .landing-cta { width: 100%; }
  .landing-cta .primary { width: 100%; justify-content: center; }
  .landing-secondary { margin: 0 auto; }
}

@media (min-width: 68rem) {
  .landing-features { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .landing-features-heading { grid-column: 1 / -1; }
}