/* ==========================================================================
   Seufic Identity
   A calm, personal record. Light and dark, one consistent rhythm.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens -- */

:root {
  color-scheme: light;

  /* Surfaces */
  --bg: #faf8f5;
  --surface: #ffffff;
  --surface-2: #f4f1ec;
  --surface-3: #ece8e1;

  /* Ink */
  --ink: #1b1a17;
  --ink-strong: #0d0c0b;
  --ink-muted: #6a665e;
  --ink-faint: #97918a;
  --on-accent: #faf8f5;

  /* Lines */
  --line: #e5e0d8;
  --line-strong: #d3cdc2;

  /* Accent, used sparingly */
  --accent: #a8552c;
  --accent-ink: #8f4623;
  --accent-soft: #f6ebe2;

  /* Feedback */
  --danger: #9a2f2f;
  --danger-soft: #f9eded;
  --positive: #2f6a4a;
  --positive-soft: #e9f2ec;

  --shadow-sm: 0 1px 2px rgba(20, 18, 15, 0.04);
  --shadow-md: 0 1px 2px rgba(20, 18, 15, 0.04), 0 14px 34px -20px rgba(20, 18, 15, 0.22);
  --shadow-lg: 0 24px 60px -32px rgba(20, 18, 15, 0.35);
}

:root[data-theme='dark'] {
  color-scheme: dark;

  --bg: #131211;
  --surface: #1a1918;
  --surface-2: #211f1d;
  --surface-3: #2a2724;

  --ink: #efece7;
  --ink-strong: #ffffff;
  --ink-muted: #a49e95;
  --ink-faint: #7b756d;
  --on-accent: #ffffff;

  --line: #2c2926;
  --line-strong: #3d3934;

  --accent: #d08657;
  --accent-ink: #e09a6d;
  --accent-soft: #2a211b;

  --danger: #e08585;
  --danger-soft: #2c1c1c;
  --positive: #7fbf9c;
  --positive-soft: #1a2620;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 34px -20px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 24px 60px -32px rgba(0, 0, 0, 0.8);
}

:root {
  /* Type */
  --font-sans: 'Inter', 'IBM Plex Sans', -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing scale */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;

  /* Layout */
  --measure: 1180px;
  --measure-prose: 68ch;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-gap: clamp(3.5rem, 7vw, 6rem);

  /* Shape */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 460ms;
  --dur-fast: 180ms;
}

/* ----------------------------------------------------------------- reset -- */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur-fast) linear, color var(--dur-fast) linear;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.028em;
  line-height: 1.14;
  color: var(--ink-strong);
}

p { margin: 0; }

/* Components below set display on .field, .btn and friends, which would
   otherwise beat the user agent's [hidden] rule. Toggling `hidden` in JS has
   to keep working, so state it once and win. */
[hidden] { display: none !important; }

img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
hr { border: none; border-top: 1px solid var(--line); margin: var(--s-6) 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

::selection {
  background: var(--accent-soft);
  color: var(--ink-strong);
}

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--ink);
  color: var(--bg);
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-pill);
  z-index: 100;
}
.skip-link:focus { left: var(--s-4); top: var(--s-4); }

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

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

.container {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page {
  min-height: 68vh;
  padding-bottom: var(--section-gap);
  animation: page-in 560ms var(--ease-out) both;
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* Every page opens the same way, so nothing feels improvised. */
.page-head {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: var(--s-6);
  max-width: var(--measure-prose);
}
.page-head .lede { margin-top: var(--s-4); }

.section {
  padding-top: var(--section-gap);
}
.section + .section { padding-top: var(--section-gap); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-5);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line);
}
.section-head p { margin-top: var(--s-1); }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-5); }

.grid { display: grid; gap: var(--s-4); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }

.row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.row-between { justify-content: space-between; }

/* ------------------------------------------------------------ typography -- */

.display {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.038em;
}

.page-title {
  font-size: clamp(1.9rem, 3.8vw, 2.7rem);
  letter-spacing: -0.033em;
}

.section-title {
  font-size: clamp(1.2rem, 1.9vw, 1.4rem);
  letter-spacing: -0.026em;
}

.eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: var(--s-3);
}

.lede {
  font-size: clamp(1.02rem, 1.4vw, 1.14rem);
  color: var(--ink-muted);
  max-width: 54ch;
  line-height: 1.62;
}

.prose { max-width: var(--measure-prose); }
.muted { color: var(--ink-muted); }
.faint { color: var(--ink-faint); }
.small { font-size: 0.86rem; }
.tiny { font-size: 0.78rem; }
.mono { font-family: var(--font-mono); font-size: 0.84rem; }
.nowrap { white-space: nowrap; }

/* --------------------------------------------------------------- icons --- */

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  flex: none;
  color: var(--ink-faint);
}
.icon-lg { font-size: 1.15rem; }
.icon-accent { color: var(--accent); }

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  color: var(--ink-muted);
  font-size: 0.95rem;
  flex: none;
}

/* ---------------------------------------------------------------- header -- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}
.site-header[data-scrolled='true'] { border-bottom-color: var(--line); }

.header-inner {
  max-width: var(--measure);
  margin-inline: auto;
  padding: var(--s-3) var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s-1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--r-pill);
  font-size: 0.89rem;
  color: var(--ink-muted);
  border: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.nav-link .icon { color: inherit; font-size: 0.85em; opacity: 0.75; }
.nav-link:hover { color: var(--ink); background: var(--surface-2); }
.nav-link[aria-current='page'] {
  color: var(--ink-strong);
  background: var(--surface-2);
  border-color: var(--line);
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.icon-button:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.icon-button:active { transform: scale(0.94); }

.nav-toggle { display: none; }

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: var(--s-2) var(--gutter) var(--s-4);
    display: none;
  }
  .nav[data-open='true'] {
    display: flex;
    animation: page-in 220ms var(--ease-out) both;
  }
  .nav-link { padding: 0.7rem 0.9rem; }
}

/* ---------------------------------------------------------------- footer -- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: var(--section-gap);
  padding-block: var(--s-6) var(--s-7);
}
.footer-inner {
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4) var(--s-6);
  align-items: center;
  justify-content: space-between;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.footer-note {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.footer-links { display: flex; gap: var(--s-5); flex-wrap: wrap; }
.footer-links a:hover { color: var(--ink); }

/* --------------------------------------------------------------- buttons -- */
/* Everything clickable is a pill. */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  background: none;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    opacity var(--dur-fast) var(--ease);
}
.btn .icon { color: inherit; font-size: 0.9em; }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover:not(:disabled) { background: var(--ink-strong); }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--ink-faint);
}

.btn-quiet {
  color: var(--ink-muted);
  padding: 0.5rem 0.95rem;
}
.btn-quiet:hover:not(:disabled) { color: var(--ink); background: var(--surface-2); }

.btn-danger { color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-soft); color: var(--danger); }

.btn-sm { padding: 0.44rem 0.95rem; font-size: 0.83rem; }
.btn-block { width: 100%; }

/* ----------------------------------------------------------------- cards -- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 2.4vw, 1.75rem);
}
.card + .card { margin-top: var(--s-4); }
.card-title {
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.card-quiet { background: var(--surface-2); }

.card-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: transform var(--dur) var(--ease-out),
    border-color var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease-out);
}
.card-link:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}
.card-link h3 { font-size: 1.05rem; }
.card-link p { color: var(--ink-muted); font-size: 0.9rem; }
.card-foot {
  margin-top: auto;
  padding-top: var(--s-2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.card-foot .icon { transition: transform var(--dur) var(--ease-out); }
.card-link:hover .card-foot { color: var(--ink); }
.card-link:hover .card-foot .icon { transform: translateX(4px); }

/* --------------------------------------------------------------- greeting -- */

.greeting {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  flex-wrap: wrap;
}
.avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0;
  flex: none;
}

/* ----------------------------------------------------------------- stats -- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  gap: var(--s-5);
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.stat-value {
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink-strong);
  font-variant-numeric: tabular-nums;
}
.stat-value-text { font-size: clamp(1.05rem, 1.8vw, 1.25rem); letter-spacing: -0.02em; }
.stat-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* -------------------------------------------------------------- key/value -- */

.kv {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--s-3) var(--s-5);
  align-items: baseline;
}
.kv dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--ink-faint);
}
.kv dd { color: var(--ink); overflow-wrap: anywhere; }
.kv dd.empty { color: var(--ink-faint); }

@media (max-width: 620px) {
  .kv { grid-template-columns: 1fr; gap: 0; }
  .kv dt { margin-top: var(--s-4); }
  .kv dt:first-child { margin-top: 0; }
  .kv dd { margin-top: var(--s-1); }
}

/* -------------------------------------------------------------- activity -- */

.activity { border-top: 1px solid var(--line); }
.activity-item {
  border-bottom: 1px solid var(--line);
  padding: var(--s-4) 0;
  display: flex;
  gap: var(--s-4);
  align-items: center;
  justify-content: space-between;
}
.activity-main {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-width: 0;
}
.activity-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}
a.activity-label:hover { color: var(--accent-ink); }
.activity-when { color: var(--ink-faint); font-size: 0.82rem; white-space: nowrap; }

/* ----------------------------------------------------------------- forms -- */

.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field + .field { margin-top: var(--s-5); }
.field label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--ink-faint);
}
.field-hint { font-size: 0.82rem; color: var(--ink-faint); }

.input,
.textarea,
.select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 0.68rem 0.9rem;
  font-size: 0.95rem;
  transition: border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}
.input:hover, .textarea:hover, .select:hover { border-color: var(--line-strong); }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--ink-faint);
  box-shadow: 0 0 0 3px var(--surface-3);
}
.textarea { resize: vertical; min-height: 110px; line-height: 1.55; }
.select { appearance: none; padding-right: 2.2rem; }

.input-affix {
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface);
}
.input-affix .input { border: none; border-radius: 0; }
.input-affix .input:focus { box-shadow: none; }
.input-affix:focus-within {
  border-color: var(--ink-faint);
  box-shadow: 0 0 0 3px var(--surface-3);
}
.affix {
  display: flex;
  align-items: center;
  padding-inline: 0.9rem;
  background: var(--surface-2);
  color: var(--ink-muted);
  font-size: 0.9rem;
  border-left: 1px solid var(--line);
  white-space: nowrap;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--s-5);
}
.form-grid + .field { margin-top: var(--s-5); }

.form-actions {
  display: flex;
  gap: var(--s-3);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
.form-actions-bare { border-top: none; padding-top: 0; margin-top: var(--s-4); }

/* ---------------------------------------------------------------- badges -- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  background: var(--surface-2);
  white-space: nowrap;
}
.badge .icon { font-size: 0.85em; color: inherit; }
.badge-accent {
  border-color: transparent;
  color: var(--accent-ink);
  background: var(--accent-soft);
}
.badge-positive {
  border-color: transparent;
  color: var(--positive);
  background: var(--positive-soft);
}

.chip-mail {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface-2);
  color: var(--ink-muted);
}

/* ------------------------------------------------------------ trust panel -- */
/* States plainly what the assistant can and cannot see. */

.trust {
  display: flex;
  gap: var(--s-4);
  align-items: flex-start;
  padding: var(--s-4) var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-2);
}
.trust h3 { font-size: 0.95rem; }
.trust p { color: var(--ink-muted); font-size: 0.88rem; margin-top: 0.3rem; }
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-3);
}

/* ------------------------------------------------------------- assistant -- */

.assistant-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
  padding-top: var(--s-6);
}

.rail {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  max-height: calc(100vh - 120px);
}
.rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.rail-head .eyebrow { margin: 0; }

.conversation-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-block: var(--s-2);
}
.conversation-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: none;
  padding: 0.55rem 0.85rem;
  border-radius: var(--r-pill);
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 0.87rem;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.conversation-item > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.conversation-item:hover { background: var(--surface-2); color: var(--ink); }
.conversation-item[aria-current='true'] {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--ink-strong);
}
.conversation-item .del {
  opacity: 0;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ink-faint);
  padding: 0 0.15rem;
  border-radius: var(--r-pill);
  transition: opacity var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.conversation-item:hover .del,
.conversation-item .del:focus-visible { opacity: 1; }
.conversation-item .del:hover { color: var(--danger); }

@media (max-width: 940px) {
  .assistant-layout { grid-template-columns: 1fr; }
  .rail { position: static; max-height: none; order: 2; padding-top: var(--s-6); }
}

.chat { display: flex; flex-direction: column; min-height: 60vh; }
.chat-scroll {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  padding-bottom: var(--s-6);
}

.message { max-width: var(--measure-prose); animation: msg-in 420ms var(--ease-out) both; }
@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.message-role {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--ink-faint);
  margin-bottom: var(--s-2);
}
.message-body {
  font-size: 1rem;
  line-height: 1.72;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.message-user .message-body {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-4) var(--s-5);
  color: var(--ink);
}

.chat-empty {
  margin: auto;
  text-align: center;
  max-width: 46ch;
  padding-block: var(--s-8);
}
.chat-empty h2 { font-size: 1.4rem; margin-bottom: var(--s-3); }
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  justify-content: center;
  margin-top: var(--s-5);
}

.composer {
  position: sticky;
  bottom: 0;
  padding-block: var(--s-4) var(--s-5);
  background: linear-gradient(to top, var(--bg) 74%, transparent);
}
.composer-inner {
  display: flex;
  gap: var(--s-2);
  align-items: flex-end;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 0.55rem 0.55rem 0.55rem 1.05rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease-out);
}
.composer-inner:focus-within {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}
.composer textarea {
  flex: 1;
  border: none;
  background: none;
  resize: none;
  max-height: 200px;
  padding: 0.5rem 0;
  line-height: 1.55;
}
.composer textarea:focus { outline: none; }
.composer-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-top: 0.6rem;
  padding-inline: 0.3rem;
  font-size: 0.76rem;
  color: var(--ink-faint);
}
.composer-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }

.caret::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 1.05em;
  background: var(--ink);
  margin-left: 2px;
  vertical-align: -0.18em;
  animation: blink 1.05s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

.thinking { display: inline-flex; gap: 5px; align-items: center; height: 1.6em; }
.thinking i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-faint);
  animation: bob 1.15s var(--ease) infinite;
}
.thinking i:nth-child(2) { animation-delay: 0.14s; }
.thinking i:nth-child(3) { animation-delay: 0.28s; }
@keyframes bob {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ----------------------------------------------------------------- lists -- */

.record-list { display: flex; flex-direction: column; gap: var(--s-3); }
.record {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s-3) var(--s-4);
  align-items: start;
  animation: msg-in 380ms var(--ease-out) both;
  transition: border-color var(--dur-fast) var(--ease);
}
.record:hover { border-color: var(--line-strong); }
.record-head { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }
.record-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}
.record-meta {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 0.35rem;
}
.record-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
.record-body {
  margin-top: var(--s-3);
  color: var(--ink-muted);
  line-height: 1.65;
  max-width: var(--measure-prose);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.record-actions { display: flex; gap: 0.3rem; align-items: center; flex-wrap: wrap; }

@media (max-width: 620px) {
  .record { grid-template-columns: 1fr; }
}

.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  color: var(--ink-muted);
}
.empty-state .icon-tile { margin: 0 auto var(--s-4); }
.empty-state h3 { font-size: 1.05rem; margin-bottom: var(--s-2); }

/* -------------------------------------------------------------- dropzone -- */

.dropzone {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--surface);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}
.dropzone[data-drag='true'] { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .icon-tile { margin: 0 auto var(--s-4); }
.dropzone h3 { font-size: 1.05rem; margin-bottom: var(--s-2); }
.dropzone .btn { margin-top: var(--s-5); }

.progress {
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--s-4);
}
.progress i {
  display: block;
  height: 100%;
  width: 30%;
  background: var(--accent);
  border-radius: 2px;
  animation: slide 1.4s var(--ease) infinite;
}
@keyframes slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(340%); }
}

/* -------------------------------------------------------------- skeleton -- */

.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 37%, var(--surface-2) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--r-sm);
  height: 0.85rem;
  margin-bottom: 0.7rem;
}
.skeleton-w40 { width: 40%; }
.skeleton-w55 { width: 55%; }
.skeleton-w70 { width: 70%; }
@keyframes shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ---------------------------------------------------------------- toasts -- */

.toast-region {
  position: fixed;
  bottom: var(--s-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  z-index: 90;
  pointer-events: none;
  width: min(440px, calc(100vw - 2rem));
  align-items: center;
}
.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--r-pill);
  padding: 0.65rem 1.2rem;
  font-size: 0.87rem;
  box-shadow: var(--shadow-lg);
  animation: toast-in 340ms var(--ease-out) both;
}
.toast[data-tone='error'] { background: var(--danger); color: #fff; }
.toast[data-leaving='true'] { animation: toast-out 240ms var(--ease) forwards; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
@keyframes toast-out {
  to { opacity: 0; transform: translateY(6px) scale(0.98); }
}

/* --------------------------------------------------------------- notices -- */

.notice {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: var(--s-4);
}
.notice[data-tone='error'] {
  border-color: transparent;
  background: var(--danger-soft);
  color: var(--danger);
}
.notice[data-tone='positive'] {
  border-color: transparent;
  background: var(--positive-soft);
  color: var(--positive);
}

/* ------------------------------------------------------------------ auth -- */

.auth-wrap {
  min-height: 80vh;
  display: grid;
  place-items: center;
  padding: var(--s-7) var(--gutter);
}
.auth-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  box-shadow: var(--shadow-md);
  animation: page-in 520ms var(--ease-out) both;
}
.auth-card h1 { font-size: 1.5rem; margin-bottom: var(--s-2); }
.auth-form { margin-top: var(--s-5); }
.auth-form .btn { margin-top: var(--s-5); }
.auth-switch {
  margin-top: var(--s-5);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  font-size: 0.87rem;
  color: var(--ink-muted);
  text-align: center;
}
.auth-switch button {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ink);
  font-weight: 500;
  padding: 0.2rem 0.4rem;
  border-radius: var(--r-pill);
}
.auth-switch button:hover { background: var(--surface-2); }
.auth-trust {
  margin-top: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.auth-trust li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

/* ----------------------------------------------------------- setup banner -- */

.setup-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.84rem;
  padding: 0.65rem var(--gutter);
  text-align: center;
}
.setup-banner code {
  font-family: var(--font-mono);
  background: color-mix(in srgb, var(--bg) 18%, transparent);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* --------------------------------------------------------------- reveals -- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 80ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}