:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --redwood-bg: #f7f4f1;
  --redwood-surface: #fffefd;
  --redwood-surface-raised: #ffffff;
  --redwood-ink: #312d2a;
  --redwood-muted: #6f6863;
  --redwood-border: #d8d2cc;
  --redwood-border-strong: #b9b1aa;
  --oracle-red: #c74634;
  --oracle-red-dark: #8f2f24;
  --oracle-red-soft: #fde7e1;
  --oracle-red-tint: #fff4f1;
  --charcoal: #211f1d;
  --layout-gap: min(10vw, 96px);
  background: var(--redwood-bg);
  color: var(--redwood-ink);
}

* {
  box-sizing: border-box;
}

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

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(199, 70, 52, 0.14), transparent 34%),
    linear-gradient(315deg, rgba(49, 45, 42, 0.08), transparent 42%),
    var(--redwood-bg);
}

button,
textarea {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--oracle-red);
  border-radius: 8px;
  background: var(--oracle-red);
  color: #ffffff;
  cursor: pointer;
  font-weight: 700;
}

button:hover:not(:disabled) {
  background: var(--oracle-red-dark);
  border-color: var(--oracle-red-dark);
}

button:disabled,
textarea:disabled {
  cursor: wait;
  opacity: 0.55;
}

.app-shell {
  position: relative;
  height: 100vh;
  min-height: 620px;
  padding: 28px;
}

.left-rail {
  position: fixed;
  top: 24px;
  bottom: 24px;
  left: 24px;
  width: 25vw;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 117px;
  padding: 18px 20px;
  border: 1px solid var(--redwood-border);
  border-radius: 8px;
  background: var(--redwood-surface-raised);
  box-shadow: 0 12px 28px rgba(49, 45, 42, 0.1);
}

.brand-logo img {
  display: block;
  width: 100%;
  max-height: 117px;
  object-fit: contain;
}

.avatar-window {
  position: relative;
  width: 25vw;
  height: 25vh;
  overflow: hidden;
  border: 1px solid var(--redwood-border-strong);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 26%, rgba(255, 255, 255, 0.76), transparent 42%),
    linear-gradient(160deg, var(--oracle-red-tint), var(--oracle-red-soft));
  box-shadow: 0 18px 42px rgba(49, 45, 42, 0.18);
}

.avatar-window::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(rgba(255, 254, 253, 0.36), rgba(255, 244, 241, 0.22)),
    url("/imgs/background.png") center / cover no-repeat;
  opacity: 0.72;
  pointer-events: none;
}

.quick-links {
  padding: 16px;
  border: 1px solid var(--redwood-border);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.92);
  box-shadow: 0 12px 28px rgba(49, 45, 42, 0.1);
}

.quick-links h2 {
  margin: 0 0 12px;
  color: var(--redwood-ink);
  font-size: 0.9rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.quick-links nav {
  display: grid;
  gap: 8px;
}

.quick-links a {
  display: block;
  padding: 9px 10px;
  border: 1px solid var(--redwood-border);
  border-radius: 8px;
  background: var(--redwood-surface);
  color: var(--oracle-red-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.quick-links a:hover {
  border-color: rgba(199, 70, 52, 0.32);
  background: var(--oracle-red-soft);
}

.avatar {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.avatar canvas {
  background: transparent;
}

.status {
  position: absolute;
  left: 12px;
  right: 12px;
  z-index: 2;
  pointer-events: none;
}

.status[hidden] {
  display: none;
}

.status {
  top: 12px;
  width: fit-content;
  max-width: calc(100% - 24px);
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(33, 31, 29, 0.72);
  color: #ffffff;
  backdrop-filter: blur(10px);
}

.start-audio {
  position: absolute;
  left: 50%;
  bottom: 16px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
  min-width: 112px;
  padding: 10px 16px;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(199, 70, 52, 0.94);
  box-shadow: 0 14px 28px rgba(33, 31, 29, 0.24);
  transform: translateX(-50%);
}

.start-audio[hidden] {
  display: none;
}

.start-audio svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.conversation-panel {
  position: fixed;
  top: 24px;
  right: 24px;
  bottom: 24px;
  left: calc(24px + 25vw + var(--layout-gap));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
  border: 1px solid var(--redwood-border);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.94);
  box-shadow: 0 18px 42px rgba(49, 45, 42, 0.14);
  overflow: hidden;
}

.conversation-header {
  padding: 22px 24px;
  border-bottom: 1px solid var(--redwood-border);
  background: var(--redwood-surface-raised);
}

.conversation-header h1 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.conversation-log {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  padding: 20px 24px;
  background: linear-gradient(180deg, #fbf9f7, #f7f4f1);
  overflow-y: auto;
}

.message {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--redwood-border);
  color: var(--redwood-ink);
}

.message.question {
  align-self: flex-end;
  border-color: rgba(199, 70, 52, 0.24);
  background: var(--oracle-red-soft);
}

.message.answer {
  align-self: flex-start;
  background: var(--redwood-surface-raised);
}

.message-label {
  display: block;
  margin-bottom: 6px;
  color: var(--oracle-red-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.message-body {
  margin: 0;
  line-height: 1.45;
  white-space: pre-wrap;
}

.message-body strong {
  font-weight: 800;
}

.message-body a {
  color: var(--oracle-red-dark);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.message-body a:hover {
  color: var(--oracle-red);
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.label {
  color: var(--redwood-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  border: 1px solid var(--redwood-border-strong);
  border-radius: 8px;
  background: var(--redwood-surface);
  color: var(--redwood-ink);
  min-height: 92px;
  padding: 12px;
  line-height: 1.45;
  resize: vertical;
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 10px;
  align-items: end;
  padding: 18px 24px 22px;
  border-top: 1px solid var(--redwood-border);
  background: var(--redwood-surface-raised);
}

.composer .field {
  min-width: 0;
}

.composer button {
  width: 78px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  padding: 0;
}

.icon-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

#stop {
  background: transparent;
  color: var(--oracle-red);
}

#stop:hover:not(:disabled),
#voice:hover:not(:disabled) {
  background: var(--oracle-red-soft);
}

#voice {
  background: var(--redwood-surface);
  color: var(--oracle-red);
}

#voice.is-listening {
  background: var(--oracle-red-soft);
  color: var(--oracle-red-dark);
}

@media (max-width: 820px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100vh;
    padding: 14px;
  }

  .left-rail {
    position: relative;
    top: auto;
    bottom: auto;
    left: auto;
    width: 25vw;
  }

  .avatar-window {
    height: 25vh;
  }

  .conversation-panel {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
    min-width: 0;
    height: calc(75vh - 42px);
    margin-top: 14px;
  }
}

@media (max-width: 460px) {
  .status {
    left: 10px;
    right: 10px;
  }

  .status {
    top: 10px;
    max-width: calc(100% - 20px);
  }

  .conversation-header,
  .conversation-log,
  .composer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .composer {
    grid-template-columns: 1fr auto auto auto;
  }

  .composer .field {
    grid-column: 1 / -1;
  }
}