:root {
  --surface: #f7f3ea;
  --surface-soft: #eee7dc;
  --ink: #171612;
  --ink-soft: #5b574d;
  --muted: #9c9587;
  --protected: #78857d;
  --checking: #768b98;
  --caution: #a8783f;
  --warning: #a93a34;
  --unavailable: #8b867c;
  --ring: rgba(107, 143, 120, 0.24);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--surface);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  letter-spacing: 0;
  background: var(--surface);
}

button,
select,
textarea {
  font: inherit;
}

.surface-nav {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  color: color-mix(in srgb, var(--ink-soft) 72%, transparent);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

.surface-nav a {
  color: inherit;
  text-decoration: none;
}

.surface-nav a[aria-current="page"] {
  color: var(--ink);
}

.surface-nav a:focus-visible {
  outline: 2px solid var(--state-color);
  outline-offset: 4px;
}

.guardian-shell {
  --state-color: var(--protected);
  min-height: 100vh;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  padding: clamp(22px, 6vw, 72px);
  gap: 18px;
}

.guardian-shell[data-state="LISTENING"] {
  --state-color: var(--protected);
}

.guardian-shell[data-state="TRANSCRIBING"],
.guardian-shell[data-state="CHECKING"] {
  --state-color: var(--checking);
}

.guardian-shell[data-state="CAUTION"] {
  --state-color: var(--caution);
}

.guardian-shell[data-state="INTERVENTION"] {
  --state-color: var(--warning);
}

.guardian-shell[data-state="ANALYSIS_UNAVAILABLE"] {
  --state-color: var(--unavailable);
}

.presence {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(150px, 0.75fr);
  grid-template-areas:
    "signature form"
    "title form"
    "state form"
    "warning form";
  align-content: center;
  align-items: center;
  justify-content: center;
  width: min(100%, 980px);
  justify-self: center;
  align-content: center;
  column-gap: clamp(20px, 9vw, 96px);
  row-gap: clamp(14px, 3vh, 28px);
  text-align: left;
}

.signature {
  grid-area: signature;
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  grid-area: title;
  display: grid;
  gap: 0;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 0.98;
  font-weight: 600;
}

.living-core {
  --presence-energy: 0;
  grid-area: form;
  position: relative;
  justify-self: center;
  width: clamp(220px, 40vw, 420px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--state-color);
  transition: color 260ms ease, opacity 220ms ease;
  isolation: isolate;
}

.guardian-visual {
  position: absolute;
  inset: -8%;
  width: 116%;
  height: 116%;
  display: block;
  z-index: 1;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.living-core.visual-ready .guardian-visual {
  opacity: 1;
}

.living-core.visual-ready .presence-mark {
  display: none;
  visibility: hidden;
  opacity: 0;
}

.living-core.visual-fallback .guardian-visual {
  display: none;
}

.living-core.visual-fallback .presence-mark {
  width: 76%;
  max-width: 260px;
  aspect-ratio: 1;
  opacity: 0.72;
  transform: none;
  animation: presenceMarkDrift 9s ease-in-out infinite alternate;
}

.presence-mark {
  grid-area: 1 / 1;
  position: relative;
  width: 56%;
  min-width: 96px;
  max-width: 190px;
  aspect-ratio: 1;
  justify-self: center;
  align-self: center;
  color: var(--state-color);
  opacity: 0.50;
  transform-origin: 50% 56%;
  transform: translate(
      calc(var(--presence-energy) * -3px),
      calc(var(--presence-energy) * 1px)
    )
    rotate(calc(-1deg - (var(--presence-energy) * 0.2deg)))
    scale(calc(0.94 + (var(--presence-energy) * 0.04)));
  animation: presenceMarkDrift 8.5s ease-in-out infinite alternate;
  transition: color 260ms ease, opacity 240ms ease, transform 220ms ease;
}

.presence-mark::before,
.presence-mark::after,
.presence-mark-core {
  content: "";
  position: absolute;
}

.presence-mark::before {
  inset: 8% 4% 12% 6%;
  border-radius: 42% 58% 48% 52% / 52% 44% 56% 48%;
  background:
    radial-gradient(circle at 48% 46%, color-mix(in srgb, var(--state-color) 18%, transparent) 0 9%, transparent 48%),
    radial-gradient(circle at 34% 58%, color-mix(in srgb, var(--state-color) 14%, transparent) 0 10%, transparent 40%),
    radial-gradient(circle at 62% 36%, color-mix(in srgb, var(--state-color) 12%, transparent) 0 8%, transparent 42%);
  filter: blur(13px);
  opacity: calc(0.60 + (var(--presence-energy) * 0.10));
}

.presence-mark::after {
  inset: 18% 15% 20% 15%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 20% 62%, currentColor 0 1.5px, transparent 2.1px),
    radial-gradient(circle at 34% 33%, currentColor 0 1.4px, transparent 2px),
    radial-gradient(circle at 50% 52%, currentColor 0 1.7px, transparent 2.3px),
    radial-gradient(circle at 68% 40%, currentColor 0 1.4px, transparent 2px),
    radial-gradient(circle at 78% 60%, currentColor 0 1.5px, transparent 2.1px),
    linear-gradient(28deg, transparent 0 34%, color-mix(in srgb, var(--state-color) 18%, transparent) 35% 36%, transparent 37%),
    linear-gradient(132deg, transparent 0 42%, color-mix(in srgb, var(--state-color) 14%, transparent) 43% 44%, transparent 45%);
  filter: blur(0.8px);
  opacity: calc(0.36 + (var(--presence-energy) * 0.08));
}

.presence-mark-core {
  inset: 14% 12% 16% 14%;
  border-radius: 46% 54% 52% 48% / 44% 56% 46% 54%;
  background:
    radial-gradient(circle at 45% 48%, color-mix(in srgb, var(--state-color) 25%, transparent) 0 7%, transparent 32%),
    radial-gradient(circle at 58% 38%, color-mix(in srgb, var(--state-color) 13%, transparent) 0 9%, transparent 38%),
    radial-gradient(circle at 33% 57%, color-mix(in srgb, var(--state-color) 15%, transparent) 0 8%, transparent 36%);
  box-shadow: 0 0 36px color-mix(in srgb, var(--state-color) 15%, transparent);
  opacity: calc(0.48 + (var(--presence-energy) * 0.10));
  transform: none;
  transition: opacity 240ms ease, transform 220ms ease, background-color 260ms ease;
}

.guardian-shell[data-mode="conversation"] h1 {
  align-self: end;
  font-size: clamp(20px, 4vw, 34px);
  opacity: 0.32;
}

.guardian-shell[data-mode="conversation"] .signature {
  opacity: 0.38;
}

.guardian-shell[data-mode="conversation"] .presence {
  grid-template-columns: minmax(0, 1fr) minmax(130px, 0.48fr);
}

.guardian-shell[data-state="CAUTION"] .living-core,
.guardian-shell[data-state="INTERVENTION"] .living-core {
  width: clamp(132px, 27vw, 260px);
  opacity: 0.82;
}

.guardian-shell[data-state="TRANSCRIBING"] .presence-mark,
.guardian-shell[data-state="CHECKING"] .presence-mark {
  transform: translate(
      calc(var(--presence-energy) * -2px),
      calc(var(--presence-energy) * 1px)
    )
    rotate(calc(var(--presence-energy) * -0.25deg))
    scaleX(calc(0.96 + (var(--presence-energy) * 0.01)))
    scaleY(calc(0.94 - (var(--presence-energy) * 0.006)));
  animation-duration: 7.4s;
}

.guardian-shell[data-state="CAUTION"] .presence-mark {
  transform: translate(0, 1px) rotate(-0.4deg) scaleX(0.9) scaleY(0.88);
  opacity: 0.56;
  animation-duration: 8s;
}

.guardian-shell[data-state="INTERVENTION"] .presence-mark {
  transform: translate(0, 1px) rotate(-0.2deg) scaleX(0.78) scaleY(0.76);
  opacity: 0.48;
  animation-duration: 8.5s;
}

.living-core.presence-intervention-pulse .presence-mark {
  animation: interventionEntry 520ms ease-out 1;
}

.guardian-shell[data-state="ANALYSIS_UNAVAILABLE"] .presence-mark {
  opacity: 0.42;
  transform: translate(2px, -2px) rotate(-0.6deg) scaleX(0.96) scaleY(0.92);
  animation-duration: 9s;
}

.human-state {
  grid-area: state;
  display: grid;
  gap: 10px;
  min-width: 0;
  max-width: 620px;
}

#state-label {
  color: var(--state-color);
  font-size: clamp(14px, 3.4vw, 18px);
  font-weight: 500;
}

#guardian-headline {
  font-size: clamp(28px, 7.2vw, 56px);
  line-height: 1.06;
  font-weight: 500;
}

#guardian-detail,
#warning-secondary {
  max-width: 100%;
  color: var(--ink-soft);
  font-size: clamp(17px, 4.4vw, 24px);
  font-weight: 400;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.warning-panel {
  grid-area: warning;
  display: grid;
  gap: 12px;
  width: min(100%, 620px);
  padding: 4px 0 0;
}

.warning-panel[hidden] {
  display: none;
}

#warning-primary {
  color: var(--warning);
  font-size: clamp(34px, 9vw, 72px);
  line-height: 0.98;
  font-weight: 700;
}

.preview-disclaimer {
  color: var(--warning);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.controls {
  width: min(100%, 560px);
  justify-self: center;
  display: grid;
  gap: 10px;
}

.primary-control {
  display: grid;
  justify-items: center;
}

button,
select,
summary {
  min-height: 48px;
  border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
  border-radius: 999px;
  background: #fffaf0;
  color: var(--ink);
  padding: 0 18px;
  font-weight: 500;
}

.primary-control button {
  width: min(100%, 320px);
  min-height: 58px;
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.quiet {
  justify-self: center;
  min-width: 160px;
  background: transparent;
}

.demo-input {
  width: min(100%, 520px);
  justify-self: center;
  color: var(--ink-soft);
}

.demo-input summary {
  display: grid;
  place-items: center;
  width: max-content;
  min-height: 38px;
  margin: 0 auto;
  border-color: transparent;
  background: transparent;
  color: var(--ink-soft);
  padding: 0 8px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}

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

.demo-field {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
  color: var(--ink-soft);
}

.demo-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preview-panel {
  display: grid;
  gap: 10px;
  margin: 14px 0;
  padding: 14px 0;
  border-top: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
}

.preview-panel p {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.35;
}

.preview-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.preview-actions button {
  min-height: 38px;
  padding: 0 10px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13px;
}

textarea {
  width: 100%;
  min-height: 120px;
  margin: 12px 0;
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  border-radius: 20px;
  padding: 14px 16px;
  resize: vertical;
  background: #fffaf0;
  color: var(--ink);
}

@keyframes presenceMarkDrift {
  0%, 100% {
    translate: -1% 0.5%;
    scale: 1 1;
    rotate: -0.6deg;
  }
  50% {
    translate: 1.6% -0.8%;
    scale: 1.035 0.972;
    rotate: 1.4deg;
  }
}

@keyframes interventionEntry {
  0% {
    transform: scaleX(0.82) scaleY(0.76);
  }
  55% {
    transform: scaleX(1.08) scaleY(0.96);
  }
  100% {
    transform: scaleX(1) scaleY(1);
  }
}

@media (max-width: 680px) {
  .guardian-shell {
    padding: 22px 18px;
  }

  .surface-nav {
    top: 12px;
    right: auto;
    left: 18px;
    gap: 7px;
  }

  .presence {
    min-width: 0;
    grid-template-columns: 1fr;
    grid-template-areas:
      "signature"
      "title"
      "state"
      "form"
      "warning";
    text-align: left;
    align-content: center;
  }

  .living-core {
    justify-self: center;
    width: clamp(190px, 58vw, 280px);
    margin: 4px 0;
  }

  .guardian-shell[data-mode="conversation"] h1 {
    font-size: clamp(18px, 6vw, 26px);
  }

  .guardian-shell[data-mode="conversation"] .living-core {
    width: clamp(132px, 40vw, 200px);
  }

  .demo-field,
  .demo-actions,
  .preview-actions {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  .controls {
    margin-left: clamp(0px, 6vw, 120px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .presence-mark,
  .guardian-visual,
  .living-core {
    animation: none !important;
  }
}