:root {
  --sara-bg: #061013;
  --sara-panel: rgba(10, 22, 27, 0.94);
  --sara-panel-2: rgba(16, 33, 40, 0.8);
  --sara-line: rgba(117, 245, 225, 0.24);
  --sara-text: #eefcff;
  --sara-muted: #b0c2ca;
  --sara-cyan: #29f4d0;
  --sara-blue: #4aa3ff;
  --sara-green: #93f9a7;
  --sara-danger: #ff5370;
}

* {
  box-sizing: border-box;
}

body.sara-demo-page {
  margin: 0;
  min-height: 100vh;
  color: var(--sara-text);
  background:
    linear-gradient(120deg, rgba(41, 244, 208, 0.1), transparent 28%),
    linear-gradient(240deg, rgba(74, 163, 255, 0.12), transparent 32%),
    var(--sara-bg);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

.sara-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
}

.sara-sidebar {
  border-right: 1px solid var(--sara-line);
  background: rgba(4, 11, 14, 0.72);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sara-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--sara-text);
  text-decoration: none;
}

.sara-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(41, 244, 208, 0.35);
  background: rgba(41, 244, 208, 0.12);
  color: var(--sara-cyan);
  font-weight: 800;
}

.sara-logo strong,
.sara-panel-title {
  display: block;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sara-logo span,
.sara-sidebar p,
.sara-history li {
  color: var(--sara-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.sara-api-pill {
  align-self: flex-start;
  border: 1px solid rgba(41, 244, 208, 0.28);
  color: var(--sara-cyan);
  padding: 7px 10px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sara-api-pill.is-live {
  color: var(--sara-green);
  border-color: rgba(147, 249, 167, 0.42);
}

.sara-history {
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 9px;
  list-style: none;
}

.sara-history li {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.sara-side-actions {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.sara-side-actions a,
.sara-ghost-button {
  border: 1px solid var(--sara-line);
  color: var(--sara-text);
  background: rgba(255, 255, 255, 0.03);
  padding: 11px 12px;
  text-decoration: none;
  cursor: pointer;
  text-align: left;
}

.sara-main {
  min-width: 0;
  padding: 24px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 20px;
}

.sara-topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.sara-eyebrow {
  margin: 0 0 8px;
  color: var(--sara-cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.sara-topbar h1 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  line-height: 1;
}

.sara-topbar p {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--sara-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.sara-status {
  min-width: 190px;
  border: 1px solid rgba(41, 244, 208, 0.28);
  background: rgba(41, 244, 208, 0.08);
  color: var(--sara-cyan);
  padding: 12px 14px;
  font-size: 0.9rem;
  text-align: center;
}

.sara-workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 292px;
  gap: 18px;
}

.sara-chat {
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  border: 1px solid var(--sara-line);
  background: var(--sara-panel);
}

.sara-messages {
  min-height: 390px;
  overflow: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sara-message {
  width: min(760px, 92%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.045);
}

.sara-message-user {
  align-self: flex-end;
  border-color: rgba(74, 163, 255, 0.35);
  background: rgba(74, 163, 255, 0.12);
}

.sara-message-assistant {
  align-self: flex-start;
  border-color: rgba(41, 244, 208, 0.28);
}

.sara-message-label {
  margin-bottom: 7px;
  color: var(--sara-cyan);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sara-message p {
  margin: 0;
  line-height: 1.62;
  color: #def6f5;
}

.sara-form {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  border-top: 1px solid var(--sara-line);
  padding: 14px;
  background: rgba(0, 0, 0, 0.18);
}

.sara-form textarea {
  min-height: 52px;
  max-height: 120px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  color: var(--sara-text);
  padding: 14px;
  outline: none;
}

.sara-form textarea:focus {
  border-color: rgba(41, 244, 208, 0.55);
}

.sara-icon-button,
.sara-send-button {
  min-width: 52px;
  border: 1px solid rgba(41, 244, 208, 0.35);
  background: rgba(41, 244, 208, 0.12);
  color: var(--sara-text);
  cursor: pointer;
}

.sara-send-button {
  padding: 0 20px;
  background: linear-gradient(135deg, rgba(41, 244, 208, 0.92), rgba(74, 163, 255, 0.82));
  color: #031012;
  font-weight: 800;
}

.sara-icon-button.is-listening {
  color: #fff;
  border-color: rgba(255, 83, 112, 0.75);
  background: rgba(255, 83, 112, 0.18);
}

.sara-insights {
  display: grid;
  gap: 14px;
  align-content: start;
}

.sara-card {
  border: 1px solid var(--sara-line);
  background: var(--sara-panel-2);
  padding: 15px;
}

.sara-card h2,
.sara-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.sara-card p {
  margin: 0;
  color: var(--sara-muted);
  line-height: 1.5;
}

.sara-prompts {
  display: grid;
  gap: 8px;
}

.sara-prompts button {
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--sara-text);
  background: rgba(255, 255, 255, 0.045);
  padding: 11px 12px;
  text-align: left;
  cursor: pointer;
}

.sara-prompts button:hover,
.sara-side-actions a:hover,
.sara-ghost-button:hover,
.sara-icon-button:hover {
  border-color: rgba(41, 244, 208, 0.6);
}

body.sara-busy .sara-chat {
  box-shadow: 0 0 0 1px rgba(41, 244, 208, 0.32), 0 0 36px rgba(41, 244, 208, 0.08);
}

@media (max-width: 980px) {
  .sara-shell,
  .sara-workspace {
    grid-template-columns: 1fr;
  }

  .sara-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--sara-line);
    gap: 18px;
  }

  .sara-topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .sara-main,
  .sara-sidebar {
    padding: 16px;
  }

  .sara-topbar h1 {
    font-size: 2.15rem;
  }

  .sara-topbar p,
  .sara-card p,
  .sara-message p {
    font-size: 0.94rem;
  }

  .sara-messages {
    min-height: 360px;
    padding: 14px;
  }

  .sara-form {
    grid-template-columns: 1fr;
  }

  .sara-send-button,
  .sara-icon-button {
    min-height: 48px;
  }
}