/* DB Talker shell — shared topbar + page chrome for all non-chat views.
   Design tokens mirror portal.html / DESIGN.md so every page looks like
   part of the same product. */
:root, :root[data-theme="dark"] {
  --bg: #141311;
  --surface: #1C1A17;
  --surface-2: #26231F;
  --text: #F2EEE6;
  --text-muted: #9A948A;
  --text-subtle: #6B655C;
  --hairline: #33302B;
  --hairline-strong: #4A443D;
  --accent: #C8A24B;
  --accent-soft: #E8D19A;
  --success: #7BA05B;
  --warning: #D4883A;
  --error: #C8553D;
}
:root[data-theme="light"] {
  --bg: #F5F1E8;
  --surface: #FFFFFF;
  --surface-2: #EDE7D9;
  --text: #1A1815;
  --text-muted: #5C564D;
  --text-subtle: #8A8377;
  --hairline: #D9D2C2;
  --hairline-strong: #BFB4A0;
  --accent: #8A6A1F;
  --accent-soft: #B89344;
  --success: #5A7A3F;
  --warning: #B06A1F;
  --error: #A03B26;
}
html { color-scheme: dark; }
:root[data-theme="light"] { color-scheme: light; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Figtree', -apple-system, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100vh;
  display: flex; flex-direction: column;
  font-size: 14px; line-height: 1.5;
}
.serif { font-family: 'Fraunces', Georgia, serif; font-weight: 400; font-optical-sizing: auto; }
.mono  { font-family: 'IBM Plex Mono', ui-monospace, monospace; }

.topbar {
  height: 64px; border-bottom: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; flex-shrink: 0;
}
.topbar .logo {
  font-family: 'Fraunces', serif; font-size: 17px; font-weight: 500;
  letter-spacing: -0.01em; color: var(--text); text-decoration: none;
  transition: opacity 160ms ease;
}
a.logo { cursor: pointer; }
a.logo:hover { opacity: 0.85; }
.topbar .logo .dot { color: var(--accent); }
.topbar .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--hairline-strong);
  display: grid; place-items: center;
  font-size: 11px; color: var(--text); letter-spacing: 0.04em;
  font-family: 'IBM Plex Mono', monospace;
}
.topbar .right { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); }
.topbar a.nav-link {
  color: var(--text-muted); text-decoration: none; letter-spacing: 0.02em;
  font-size: 13px; padding: 6px 10px; border-radius: 3px;
  transition: color 180ms ease, background 180ms ease;
}
.topbar a.nav-link:hover { color: var(--accent); }
.topbar a.nav-link.active { color: var(--text); background: var(--surface); }
.topbar button.plain, .topbar .theme-toggle {
  background: none; color: var(--text-muted);
  border: 1px solid var(--hairline); border-radius: 4px;
  padding: 6px 10px; font-family: inherit; font-size: 12px;
  cursor: pointer; letter-spacing: 0.02em;
  transition: border-color 180ms ease, color 180ms ease;
}
.topbar button.plain:hover, .topbar .theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.page {
  flex: 1; max-width: 1100px; margin: 0 auto; width: 100%;
  padding: 48px 32px 120px;
}
.page-header { margin-bottom: 32px; }
.page-header h1 {
  font-family: 'Fraunces', serif; font-size: 38px; font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.15; margin-bottom: 10px;
}
.page-header p { color: var(--text-muted); font-size: 15px; max-width: 720px; }

.section-label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-subtle); margin-bottom: 12px;
}
/* Optional accent-dot prefix — opt-in via .section-label.dot. */
.section-label.dot {
  display: flex; align-items: center; gap: 12px;
}
.section-label.dot::before {
  content: ''; width: 4px; height: 4px;
  background: var(--accent); border-radius: 50%;
}
.card {
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 4px; padding: 24px; margin-bottom: 20px;
}
.card h2 {
  font-family: 'Fraunces', serif; font-size: 22px; font-weight: 400;
  letter-spacing: -0.01em; margin-bottom: 14px;
}
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row > * { flex-shrink: 0; }
.grow { flex-grow: 1; }

.field { margin-bottom: 14px; }
.field label {
  display: block; font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-subtle); margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--hairline-strong); border-radius: 3px;
  font-family: inherit; font-size: 14px;
  transition: border-color 180ms ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field .hint { font-size: 12px; color: var(--text-subtle); margin-top: 4px; }

button.primary, a.button-primary {
  background: var(--accent); color: var(--bg);
  border: none; padding: 9px 18px; border-radius: 3px;
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer; text-decoration: none; display: inline-block;
  transition: opacity 180ms ease;
}
button.primary:hover, a.button-primary:hover { opacity: 0.88; }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

button.secondary {
  background: transparent; color: var(--text); border: 1px solid var(--hairline-strong);
  padding: 8px 16px; border-radius: 3px;
  font-family: inherit; font-size: 13px; cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease;
}
button.secondary:hover { border-color: var(--accent); color: var(--accent); }

button.danger {
  background: transparent; color: var(--error); border: 1px solid var(--hairline);
  padding: 6px 12px; border-radius: 3px;
  font-family: inherit; font-size: 12px; cursor: pointer;
}
button.danger:hover { border-color: var(--error); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--hairline);
}
th {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-subtle); font-weight: 500;
}
td.mono { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--text-muted); }

.pill {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; letter-spacing: 0.04em;
  background: var(--surface-2); color: var(--text-muted);
  border: 1px solid var(--hairline);
}
.pill.success { color: var(--success); border-color: var(--success); }
.pill.error   { color: var(--error);   border-color: var(--error); }
.pill.warn    { color: var(--warning); border-color: var(--warning); }

.empty {
  padding: 24px; background: var(--surface-2);
  border: 1px solid var(--hairline); border-left: 3px solid var(--accent);
  border-radius: 3px; color: var(--text-muted);
}
.empty strong { color: var(--text); }
.empty code {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  background: var(--bg); padding: 1px 6px; border-radius: 2px;
}

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--surface); border: 1px solid var(--accent);
  color: var(--text); padding: 12px 20px; border-radius: 4px;
  font-size: 13px; z-index: 1000;
}
.toast.success { border-color: var(--success); }
.toast.error   { border-color: var(--error); }

.loading { color: var(--text-subtle); font-style: italic; font-size: 13px; }

/* ============================================================
   Modal system — replaces native confirm/prompt/alert site-wide
   ============================================================ */
.dbt-modal-backdrop {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(10, 9, 8, 0.55); backdrop-filter: blur(3px);
  display: grid; place-items: center;
  animation: dbt-fade-in 140ms ease;
}
@keyframes dbt-fade-in { from { opacity: 0; } to { opacity: 1; } }
.dbt-modal-card {
  background: var(--surface); border: 1px solid var(--hairline-strong);
  border-radius: 6px; padding: 24px 26px;
  max-width: 440px; width: calc(100% - 48px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(200, 162, 75, 0.08);
  animation: dbt-pop-in 180ms cubic-bezier(.4,0,.2,1);
}
@keyframes dbt-pop-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.dbt-modal-title {
  font-family: 'Fraunces', serif; font-size: 20px; font-weight: 500;
  letter-spacing: -0.01em; color: var(--text); margin-bottom: 10px;
}
.dbt-modal-body {
  font-size: 14px; color: var(--text-muted); line-height: 1.55;
  margin-bottom: 18px;
}
.dbt-modal-body code {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  background: var(--bg); padding: 1px 6px; border-radius: 2px; color: var(--text);
}
.dbt-modal-input {
  width: 100%; padding: 10px 12px; margin-bottom: 18px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--hairline-strong); border-radius: 3px;
  font-family: inherit; font-size: 14px;
  transition: border-color 180ms ease;
}
.dbt-modal-input:focus { outline: none; border-color: var(--accent); }
.dbt-modal-actions {
  display: flex; gap: 8px; justify-content: flex-end;
}
.dbt-modal-actions button {
  padding: 8px 16px; border-radius: 3px; cursor: pointer;
  font-family: inherit; font-size: 13px; letter-spacing: 0.01em;
}
.dbt-modal-actions button.primary {
  background: var(--accent); color: var(--bg); border: none;
}
.dbt-modal-actions button.primary:hover { opacity: 0.88; }
.dbt-modal-actions button.secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--hairline-strong);
}
.dbt-modal-actions button.secondary:hover { border-color: var(--accent); color: var(--accent); }
.dbt-modal-actions button.danger {
  background: transparent; color: var(--error);
  border: 1px solid var(--error);
}
.dbt-modal-actions button.danger:hover { background: rgba(200, 85, 61, 0.08); }