:root {
  color-scheme: dark;
  --background: #0f131e;
  --surface-lowest: #0a0e19;
  --surface-low: #171b27;
  --surface: #1b1f2b;
  --surface-high: #262a36;
  --surface-highest: #313441;
  --text: #dfe2f2;
  --muted: #bccbb9;
  --muted-2: #869585;
  --outline: #3d4a3d;
  --primary: #4be277;
  --primary-strong: #22c55e;
  --primary-text: #002109;
  --danger: #ffb4ab;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 1px 1px, rgba(223, 226, 242, 0.12) 1px, transparent 0),
    var(--background);
  background-size: 18px 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app-header,
.chat-shell,
.composer-shell {
  width: min(768px, 100%);
  margin: 0 auto;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: linear-gradient(180deg, rgba(15, 19, 30, 0.98), rgba(15, 19, 30, 0.82));
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--text);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  border-radius: 999px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(75, 226, 119, 0.08);
}

.auth-button {
  border: 0;
  border-radius: 999px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 0 0 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-button:hover,
.auth-button:focus-visible {
  color: var(--text);
}

.auth-button.is-authenticated {
  color: var(--muted);
  background: transparent;
}

.chat-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding: 56px 24px 220px;
}

.source-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
}

.pricing-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.pricing-hero {
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
  padding: 18px 0 58px;
}

.pricing-badge {
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 12px;
  color: var(--primary);
  background: rgba(75, 226, 119, 0.12);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-badge::before {
  content: "⊙";
  margin-right: 7px;
}

.pricing-hero h1 {
  max-width: 680px;
  margin: 0;
  color: var(--text);
  font-size: clamp(2.35rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.pricing-hero p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  width: min(700px, 100%);
  margin: 0 auto;
}

.pricing-grid.single {
  grid-template-columns: minmax(0, 1fr);
  width: min(520px, 100%);
}

.price-card,
.pricing-proof article {
  border: 1px solid rgba(61, 74, 61, 0.95);
  background: rgba(22, 27, 38, 0.76);
}

.price-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 32px;
}

.price-card.featured {
  border-color: rgba(75, 226, 119, 0.55);
  box-shadow: 0 0 80px rgba(75, 226, 119, 0.06);
}

.price-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.price-card h2,
.pricing-proof h2,
.pricing-cta h2 {
  margin: 0;
  color: var(--text);
  font-size: 1.65rem;
  line-height: 1.12;
}

.price-card-heading span {
  color: var(--primary);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-card > p {
  min-height: 54px;
  margin: 24px 0 28px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.price {
  margin-bottom: 28px;
  color: var(--text);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0;
}

.price span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0 0 30px;
  padding: 0;
  color: var(--text);
  list-style: none;
  font-size: 0.9rem;
}

.check-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
}

.check-list li::before {
  content: "✓";
  width: 14px;
  height: 14px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--primary-text);
  background: var(--primary);
  font-size: 0.62rem;
  font-weight: 900;
  transform: translateY(2px);
}

.outline-button,
.primary-button,
.pricing-cta button {
  min-height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--text);
  color: var(--text);
  background: transparent;
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.outline-button,
.primary-button {
  margin-top: auto;
  width: 100%;
}

.primary-button,
.pricing-cta button {
  border-color: var(--primary);
  color: var(--primary-text);
  background: var(--primary);
}

.pricing-proof {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 58px auto 0;
  width: min(520px, 100%);
}

.pricing-proof article {
  min-height: 164px;
  padding: 28px;
}

.proof-icon {
  display: block;
  margin-bottom: 18px;
  color: var(--primary);
  font-weight: 900;
}

.pricing-proof p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.source-status {
  display: grid;
  gap: 18px;
  width: min(700px, 100%);
  margin: 58px auto 0;
}

.source-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.source-status-grid article {
  border: 1px solid rgba(61, 74, 61, 0.95);
  min-height: 150px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  background: rgba(22, 27, 38, 0.76);
}

.source-status-grid h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.2;
}

.source-status-grid p,
.cta-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.cta-copy {
  max-width: 560px;
}

.connect-section {
  display: grid;
  gap: 18px;
  width: min(700px, 100%);
  margin: 58px auto 0;
}

.connect-heading {
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
}

.connect-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.connect-heading p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.connect-card,
.agent-notes article {
  border: 1px solid rgba(61, 74, 61, 0.95);
  background: rgba(22, 27, 38, 0.76);
}

.connect-card {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.connect-card h3,
.agent-notes h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.2;
}

.connect-card pre {
  overflow-x: auto;
  margin: 0;
  border: 1px solid rgba(61, 74, 61, 0.72);
  border-radius: 8px;
  padding: 14px;
  background: rgba(10, 14, 25, 0.78);
}

.connect-card code {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre;
}

.agent-notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
}

.agent-notes article {
  min-height: 150px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
}

.agent-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.pricing-cta {
  display: grid;
  justify-items: center;
  gap: 18px;
  margin-top: 60px;
  text-align: center;
}

.pricing-cta form {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 140px;
  gap: 12px;
}

.access-form {
  width: min(620px, 100%);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.access-form textarea,
.access-form button {
  grid-column: 1 / -1;
}

.pricing-cta input,
.pricing-cta select,
.pricing-cta textarea {
  border: 1px solid var(--outline);
  min-height: 44px;
  padding: 0 16px;
  color: var(--text);
  background: rgba(22, 27, 38, 0.76);
  font: inherit;
}

.pricing-cta select {
  color: var(--muted);
}

.pricing-cta textarea {
  min-height: 112px;
  resize: vertical;
  padding-top: 13px;
  line-height: 1.45;
}

.form-status {
  min-height: 22px;
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.sources-button {
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 10px;
  color: var(--primary);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sources-button:hover,
.sources-button:focus-visible {
  background: rgba(75, 226, 119, 0.08);
  outline: 0;
}

.source-icon {
  font-size: 1rem;
  line-height: 1;
}

.status-dot {
  width: 13px;
  height: 13px;
  border: 2px solid var(--muted);
  border-radius: 999px;
  display: inline-block;
}

.status-dot.live {
  border-color: transparent;
  background: var(--primary);
  box-shadow: 0 0 0 8px rgba(75, 226, 119, 0.08), 0 0 24px rgba(75, 226, 119, 0.5);
}

.status-dot.pending {
  border-color: var(--muted);
  background: transparent;
}

.sources-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 248px;
  border: 1px solid rgba(75, 226, 119, 0.28);
  border-radius: 6px;
  padding: 14px 12px;
  background: var(--surface-high);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.5);
}

.sources-menu ul {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.sources-menu li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.9rem;
}

.sources-menu small {
  margin-left: auto;
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.system-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.system-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--outline);
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: var(--surface-high);
  font-weight: 900;
}

.system-message h1 {
  max-width: 690px;
  margin: 4px 0 0;
  color: var(--text);
  font-size: clamp(2.5rem, 7vw, 4.7rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0;
}

.system-message p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.18rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 6px;
}

.primary-button.compact,
.outline-button.compact {
  width: auto;
  min-width: 160px;
  min-height: 40px;
  padding: 0 18px;
}

.field-label {
  color: var(--muted-2);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.message {
  display: flex;
  gap: 16px;
  line-height: 1.6;
}

.message.user {
  max-width: 85%;
  align-self: flex-end;
  justify-content: flex-end;
}

.message.assistant {
  max-width: 100%;
  align-self: flex-start;
}

.message.user .message-body {
  align-items: flex-end;
  text-align: right;
}

.message.user .message-content {
  border: 1px solid var(--outline);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
}

.message-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message-body > p,
.message-content p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.thinking-content {
  width: 74px;
  min-height: 38px;
  border: 1px solid rgba(61, 74, 61, 0.72);
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(22, 27, 38, 0.52);
}

.limit-content {
  border: 1px solid rgba(75, 226, 119, 0.45);
  border-radius: 8px;
  max-width: 420px;
  display: grid;
  gap: 9px;
  padding: 16px;
  background: rgba(22, 27, 38, 0.72);
}

.limit-content strong {
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.limit-content p {
  color: var(--muted);
  line-height: 1.5;
}

.limit-content a {
  width: fit-content;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.thinking-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.thinking-dots i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  display: block;
  background: var(--primary);
  opacity: 0.35;
  animation: thinking-pulse 1.1s ease-in-out infinite;
}

.thinking-dots i:nth-child(2) {
  animation-delay: 0.14s;
}

.thinking-dots i:nth-child(3) {
  animation-delay: 0.28s;
}

@keyframes thinking-pulse {
  0%,
  80%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--primary-text);
  background: var(--primary-strong);
  font-size: 0.9rem;
}

.meta {
  color: var(--muted-2);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.verification-card {
  border: 1px solid rgba(61, 74, 61, 0.95);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: rgba(22, 27, 38, 0.62);
}

.verification-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--outline);
}

.source-chip {
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  padding: 7px 9px;
  color: var(--primary);
  background: rgba(75, 226, 119, 0.1);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.confidence-label {
  color: var(--muted-2);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.verification-card p,
.evidence {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.evidence {
  border-top: 1px solid var(--outline);
  padding-top: 10px;
  color: var(--primary);
}

.verification-report {
  border: 1px solid rgba(61, 74, 61, 0.95);
  border-radius: 8px;
  width: min(640px, 100%);
  display: grid;
  gap: 14px;
  padding: 16px;
  background: rgba(22, 27, 38, 0.68);
}

.verification-report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--outline);
}

.result-chip {
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.result-chip.is-verified {
  color: var(--primary-text);
  background: var(--primary);
}

.result-chip.is-partial {
  color: #151100;
  background: #f8d66d;
}

.result-chip.is-no-match,
.result-chip.is-review {
  color: var(--primary);
  background: rgba(75, 226, 119, 0.1);
}

.report-grid {
  display: grid;
  gap: 0;
}

.report-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(61, 74, 61, 0.62);
}

.report-row:last-child {
  border-bottom: 0;
}

.report-row dt {
  color: var(--muted-2);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.report-row dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.review-link {
  width: fit-content;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.composer-shell {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px 28px;
  pointer-events: none;
}

.composer {
  width: 100%;
  min-height: 64px;
  border: 1px solid var(--outline);
  border-radius: 999px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 8px 22px;
  background: rgba(38, 42, 54, 0.96);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(18px);
  pointer-events: auto;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.composer:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(75, 226, 119, 0.12), 0 18px 70px rgba(0, 0, 0, 0.45);
}

.composer-icon {
  color: var(--muted-2);
  font-size: 1.25rem;
}

input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font: inherit;
}

input::placeholder {
  color: var(--muted-2);
}

button {
  font: inherit;
}

.composer button {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--primary-text);
  background: var(--primary-strong);
  cursor: pointer;
  font-size: 0;
  transition: transform 120ms ease, opacity 120ms ease;
}

.composer button::before {
  content: "↑";
  font-size: 1.28rem;
  font-weight: 900;
  line-height: 1;
}

.composer button:hover {
  transform: scale(1.05);
}

.composer button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.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;
}

@media (max-width: 640px) {
  .app-header {
    padding: 14px 18px;
  }

  .header-actions {
    gap: 6px;
  }

  .brand {
    font-size: 1.35rem;
  }

  .nav-link,
  .sources-button,
  .auth-button {
    font-size: 0.68rem;
    padding: 0 8px;
  }

  .chat-shell {
    gap: 42px;
    padding: 40px 18px 200px;
  }

  .system-message h1 {
    font-size: 2.55rem;
  }

  .system-message {
    gap: 12px;
  }

  .message {
    gap: 12px;
  }

  .message.user {
    max-width: 92%;
  }

  .avatar {
    width: 34px;
    height: 34px;
  }

  .verification-card-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .verification-report-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .report-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .composer-shell {
    padding: 0 12px 20px;
  }

  .composer {
    border-radius: 22px;
  }

  .pricing-grid,
  .pricing-proof,
  .source-status-grid,
  .agent-notes,
  .pricing-cta form {
    grid-template-columns: 1fr;
  }

  .pricing-shell {
    width: min(100% - 28px, 920px);
  }

  .price-card {
    min-height: auto;
    padding: 26px;
  }
}