:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f0e8;
  color: #211f1d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(108, 73, 44, 0.16), transparent 32rem),
    linear-gradient(180deg, #fbf8f2 0%, #f1eadf 100%);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.login-card {
  width: min(560px, 100%);
  margin: 12vh auto 0;
  border: 1px solid rgba(67, 54, 42, 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 50px rgba(54, 42, 31, 0.08);
  padding: 32px;
}

.google-sign-in {
  min-height: 44px;
  margin: 22px 0 12px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: #5f5a52;
  font-size: 0.94rem;
  white-space: nowrap;
}

.eyebrow {
  margin: 0 0 8px;
  color: #7a5b3b;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: 1rem;
}

.lede {
  max-width: 680px;
  color: #5f5a52;
  font-size: 1.08rem;
}

.query-card,
.panel,
.working {
  border: 1px solid rgba(67, 54, 42, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 18px 50px rgba(54, 42, 31, 0.08);
}

.query-card {
  padding: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: #473c31;
  font-weight: 700;
}

textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid rgba(67, 54, 42, 0.2);
  border-radius: 16px;
  padding: 14px 16px;
  background: #fffdfa;
  color: inherit;
  font: inherit;
  line-height: 1.45;
}

textarea:focus {
  outline: 3px solid rgba(120, 86, 52, 0.22);
  border-color: #8b623c;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  background: #2e241d;
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

button.secondary {
  background: #e3d7c8;
  color: #2e241d;
}

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

.status {
  color: #766a5d;
  font-size: 0.94rem;
}

.working {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  padding: 14px 16px;
  color: #473c31;
}

.hidden {
  display: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid #ddcfbf;
  border-top-color: #2e241d;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.output-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  min-height: 280px;
  overflow: hidden;
}

.panel-header {
  border-bottom: 1px solid rgba(67, 54, 42, 0.12);
  padding: 16px 18px;
  background: rgba(250, 246, 239, 0.82);
}

.answer,
.tool-calls {
  padding: 18px;
  line-height: 1.55;
}

.tool-calls {
  white-space: pre-wrap;
}

.answer p,
.answer ul,
.answer h3,
.answer h4,
.answer h5 {
  margin: 0 0 12px;
}

.answer ul,
.answer ol {
  padding-left: 22px;
}

.answer a {
  color: #76512d;
  font-weight: 700;
}

.answer code {
  border-radius: 6px;
  background: #efe5d8;
  padding: 1px 5px;
  font-size: 0.92em;
}

.empty {
  color: #85786a;
}

details {
  border: 1px solid rgba(67, 54, 42, 0.14);
  border-radius: 14px;
  background: #fffdfa;
  margin-bottom: 12px;
  padding: 10px 12px;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

pre {
  overflow: auto;
  margin: 10px 0 0;
  border-radius: 12px;
  background: #241f1a;
  color: #f5eadf;
  padding: 12px;
  font-size: 0.85rem;
}

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

@media (max-width: 820px) {
  .shell {
    padding: 28px 0;
  }

  .hero,
  .user-menu {
    align-items: flex-start;
    flex-direction: column;
  }

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