/* Shared chrome: the sign-in gate and the tool switcher, on every page of the hub.
   Each tool keeps its own styles.css for everything below the header. */

:root {
  --hub-bg: #0e1116;
  --hub-panel: #161b22;
  --hub-line: #2a313c;
  --hub-text: #e6edf3;
  --hub-muted: #8b949e;
  --hub-accent: #4c8dff;
}

/* ------------------------------------------------------------------ gate */

.gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--hub-bg);
  color: var(--hub-text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.gate[hidden] {
  display: none;
}

.gate-card {
  width: min(420px, calc(100vw - 32px));
  padding: 32px 28px;
  border: 1px solid var(--hub-line);
  border-radius: 14px;
  background: var(--hub-panel);
  text-align: center;
}

.gate-card h1 {
  margin: 0 0 6px;
  font-size: 20px;
}

.gate-card .muted {
  color: var(--hub-muted);
}

.gate-card #gsi-button {
  display: flex;
  justify-content: center;
  margin: 20px 0 8px;
}

.gate-card .gate-err,
.gate-card .tag-err {
  margin: 10px 0 0;
  color: #ff7b72;
}

/* -------------------------------------------------------- tool switcher */

#tool-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--hub-line);
  border-radius: 999px;
  color: var(--hub-muted);
  font-size: 12.5px;
  text-decoration: none;
  white-space: nowrap;
}

.tool-link:hover {
  border-color: var(--hub-accent);
  color: var(--hub-text);
}

.tool-link.on {
  border-color: var(--hub-accent);
  background: color-mix(in srgb, var(--hub-accent) 16%, transparent);
  color: var(--hub-text);
}

.tool-link.hub {
  padding: 5px 10px;
  font-size: 14px;
}

.tool-icon {
  font-size: 14px;
}

/* -------------------------------------------------------------- hub page */

.hub-body {
  margin: 0;
  min-height: 100vh;
  background: var(--hub-bg);
  color: var(--hub-text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.hub-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

.hub-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hub-head h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.hub-head .spacer {
  flex: 1;
}

.hub-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.hub-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--hub-line);
  border-radius: 12px;
  background: var(--hub-panel);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.12s, transform 0.12s;
}

.hub-card:hover {
  border-color: var(--hub-accent);
  transform: translateY(-1px);
}

.hub-card h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 6px;
  font-size: 16px;
}

.hub-card p {
  margin: 0 0 12px;
  color: var(--hub-muted);
  font-size: 13px;
}

.hub-scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.hub-scope {
  padding: 2px 8px;
  border: 1px solid var(--hub-line);
  border-radius: 999px;
  color: var(--hub-muted);
  font-size: 11.5px;
}

.hub-empty {
  padding: 28px;
  border: 1px dashed var(--hub-line);
  border-radius: 12px;
  color: var(--hub-muted);
  text-align: center;
}

.hub-chip {
  padding: 4px 10px;
  border: 1px solid var(--hub-line);
  border-radius: 999px;
  color: var(--hub-muted);
  font-size: 12px;
}

.hub-btn {
  padding: 5px 12px;
  border: 1px solid var(--hub-line);
  border-radius: 999px;
  background: transparent;
  color: var(--hub-muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.hub-btn:hover {
  border-color: var(--hub-accent);
  color: var(--hub-text);
}