:root {
  --bg: #f2efe8;
  --panel: rgba(255, 255, 255, 0.82);
  --ink: #1a1816;
  --muted: #5d554d;
  --accent: #0f6c5c;
  --line: rgba(26, 24, 22, 0.1);
  --shadow: 0 20px 60px rgba(49, 39, 28, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 143, 56, 0.25), transparent 25%),
    radial-gradient(circle at bottom right, rgba(15, 108, 92, 0.18), transparent 30%),
    var(--bg);
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
}

.topbar h1 {
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.78rem;
}

.lede {
  max-width: 760px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.auth-panel {
  min-width: 220px;
  display: flex;
  justify-content: end;
}

.auth-pill,
.user-pill {
  border: 1px solid rgba(15, 108, 92, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  padding: 10px 14px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-pill strong,
.user-pill span,
.user-pill a {
  display: block;
}

.user-pill span {
  color: var(--muted);
  font-size: 0.9rem;
}

.user-pill a {
  color: var(--accent);
  text-decoration: none;
}

.login-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(15, 108, 92, 0.18);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}

.login-banner.hidden,
.sheet-form.hidden {
  display: none;
}

.login-banner h2 {
  margin: 4px 0 8px;
}

.login-banner p {
  margin: 0;
  color: var(--muted);
}

.login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent), #145e87);
  color: white;
  text-decoration: none;
  white-space: nowrap;
}

.login-button.compact {
  padding: 10px 16px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 18px;
}

.sidebar-card,
.chat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.sidebar-card {
  padding: 18px;
}

.sidebar-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.sidebar-head h2 {
  margin: 2px 0 0;
  font-size: 1.45rem;
}

.sidebar-eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.75rem;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  border: 1px solid rgba(15, 108, 92, 0.2);
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
}

.sheet-form {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.sheet-form input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  background: rgba(255, 255, 255, 0.95);
}

.sheet-status {
  min-height: 20px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.sheet-list,
.connection-list {
  display: grid;
  gap: 10px;
}

.sheet-card,
.connection-card {
  border: 1px solid rgba(15, 108, 92, 0.12);
  background: rgba(255, 248, 239, 0.9);
  border-radius: 16px;
  padding: 14px;
}

.sheet-card h3,
.connection-card strong {
  margin: 0 0 6px;
  font-size: 1rem;
}

.sheet-card p,
.connection-card p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.sheet-card a {
  color: var(--accent);
  text-decoration: none;
}

.sheet-empty {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.connection-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.connection-state {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
}

.connection-state.connected {
  background: rgba(15, 108, 92, 0.12);
  color: var(--accent);
}

.connection-state.manual_beta {
  background: rgba(217, 143, 56, 0.12);
  color: #9a5b13;
}

.connection-state.ready_to_connect {
  background: rgba(21, 94, 135, 0.12);
  color: #145e87;
}

.connection-state.coming_soon {
  background: rgba(26, 24, 22, 0.08);
  color: var(--muted);
}

.inline-action {
  margin-top: 8px;
}

.account-preview-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.account-preview-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.account-preview-list strong {
  margin: 0;
  color: var(--ink);
}

.chat-card {
  overflow: hidden;
}

.messages {
  min-height: 420px;
  max-height: 62vh;
  overflow-y: auto;
  padding: 20px;
}

.message {
  max-width: 85%;
  padding: 14px 16px;
  margin-bottom: 14px;
  border-radius: 18px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.message.user {
  margin-left: auto;
  background: #1d3b36;
  color: #f8f3ed;
}

.message.assistant {
  background: #fff8ef;
  border: 1px solid rgba(217, 143, 56, 0.22);
}

.composer {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

textarea {
  resize: vertical;
}

button {
  justify-self: end;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent), #145e87);
  color: white;
  font: inherit;
  cursor: pointer;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

@media (max-width: 720px) {
  .shell {
    padding: 24px 12px 40px;
  }

  .topbar,
  .login-banner,
  .workspace {
    grid-template-columns: 1fr;
    display: grid;
  }

  .auth-panel {
    justify-content: start;
  }

  .sidebar {
    position: static;
  }

  .messages {
    min-height: 360px;
  }

  .message {
    max-width: 100%;
  }
}