:root {
  color-scheme: light dark;
  --bg: Canvas;
  --text: CanvasText;
  --muted: CanvasText;
  --line: ButtonBorder;
  --surface: Field;
  --focus: Highlight;
  --measure: 76rem;
  --narrow: 48rem;
  --radius: 0.85rem;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { line-height: 1.5; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

.skip-link {
  position: absolute;
  inset: 0 auto auto 0;
  padding: 0.75rem 1rem;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-120%);
  z-index: 10;
}

.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.masthead,
.shell,
.footer {
  width: min(calc(100% - 2rem), var(--measure));
  margin-inline: auto;
}

.masthead {
  padding-block: clamp(3rem, 8vw, 7rem) 2rem;
  border-bottom: 1px solid var(--line);
}

.masthead--compact { padding-block-start: clamp(2.5rem, 6vw, 5rem); }

.eyebrow,
.help,
.handle,
.footer,
.optional { color: var(--muted); }

.eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.lede {
  max-width: 48rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.shell { padding-block: 2rem 5rem; }
.shell--narrow { max-width: var(--narrow); }

.discovery-form,
.auth-form {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.discovery-form {
  grid-template-columns: minmax(0, 2fr) minmax(12rem, 1fr) auto;
  align-items: end;
}

.auth-form { margin-block-start: 1.25rem; }

.continuation-card {
  padding: clamp(1rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.continuation-card > h2 { margin-top: 0; }
.continuation-card .status { margin-bottom: 0; }
.continuation-summary { max-width: 42rem; }
.flow-heading { margin: 1.75rem 0 0.5rem; }

.field { display: grid; gap: 0.4rem; }
label { font-weight: 700; }

.choice-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-block-size: 3rem;
  overflow-wrap: anywhere;
}

.choice-field input[type="checkbox"] {
  flex: 0 0 1.25rem;
  width: 1.25rem;
  height: 1.25rem;
  min-height: 0;
  min-block-size: 0;
  margin: 0;
  padding: 0;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--bg);
  color: var(--text);
}

input,
select { min-height: 3rem; }
textarea { min-height: 7rem; resize: vertical; }

button,
.button-link {
  min-height: 3rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--text);
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

button { cursor: pointer; }

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  text-decoration: none;
}

button:disabled,
textarea:disabled,
select:disabled { cursor: wait; opacity: 0.6; }
.secondary-button { background: var(--bg); color: var(--text); }

.help {
  margin: 0;
  font-size: 0.875rem;
}

.discovery-form .help { grid-column: 1 / -1; }

.status {
  min-height: 1.5rem;
  margin: 1rem 0;
  font-weight: 650;
}

.profile-options {
  display: grid;
  gap: 0.75rem;
  margin-block-start: 1rem;
}

.profile-option {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  width: 100%;
  border-radius: 0.7rem;
  text-align: start;
}

.profile-option__name { overflow-wrap: anywhere; }
.profile-option__handle { color: inherit; font-weight: 650; opacity: 0.75; }

.discovery-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.discovery-result {
  padding: clamp(1rem, 3vw, 2rem);
  background: var(--bg);
}

.discovery-result h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.handle { margin: 0.25rem 0 1rem; }
.why { max-width: 52rem; font-size: 1.05rem; }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin: 1.25rem 0 0;
}

.fact {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem;
}

.fact dt { font-weight: 750; }
.fact dd { margin: 0; }

.empty-state {
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--line);
}

.empty-state h2 { margin-top: 0; }

.relationship-context,
.relationship-panel,
.conversation-panel {
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.relationship-context { margin-bottom: 1rem; }
.relationship-context > h2,
.relationship-panel > h2 { margin-top: 0; }

.relationship-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.relationship-stack { display: grid; gap: 0.75rem; }
.relationship-item {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
}
.relationship-item h3 { margin: 0; }
.relationship-state { font-weight: 700; }
.relationship-note {
  margin-bottom: 0;
  overflow-wrap: anywhere;
  text-align: start;
  unicode-bidi: plaintext;
}
.relationship-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.conversation-panel { margin-top: 1rem; scroll-margin-top: 1rem; }
.conversation-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}
.conversation-heading h2 { margin: 0; }
.message-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}
.message-item {
  padding: 0.9rem 1rem;
  border-inline-start: 0.25rem solid var(--line);
  background: var(--surface);
}
.message-meta { margin: 0 0 0.4rem; font-size: 0.8rem; font-weight: 750; }
.message-body {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  text-align: start;
  unicode-bidi: plaintext;
}
.message-form {
  display: grid;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.conversation-safety {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.conversation-safety h3 { margin-top: 0; }
.safety-confirmation {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
}

.footer {
  padding-block: 1rem 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

@media (max-width: 48rem) {
  .discovery-form,
  .relationship-grid { grid-template-columns: 1fr; }
  .discovery-form .help { grid-column: auto; }
  button:not(.profile-option),
  .button-link { width: 100%; }
  .profile-option { grid-template-columns: 1fr; gap: 0.15rem; }
  .facts { display: grid; }
  .relationship-actions,
  .conversation-heading { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}