/* Match Many Chat white shell so the hub chrome doesn’t fight the apps */
:root {
  --mc-teal: #00c9b1;
  --mc-teal-dark: #00a894;
  --mc-teal-soft: #e6faf7;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #e6e9ef;
  --text: #1f2430;
  --muted: #6b7285;
  --danger: #ef4444;
  --font: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  color: var(--mc-teal-dark);
}

/* Public gate (before PIN) — Privacy / Terms / Data deletion / Unlock */
.gate-body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
.gate-shell {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 28px 16px 48px;
}
.gate-header { margin-bottom: 18px; }
.gate-tag {
  margin: 4px 0 16px;
  color: var(--muted);
  font-size: 0.92rem;
}
.gate-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
.gate-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.gate-tab:hover { color: var(--text); background: #eef1f5; }
.gate-tab.is-active {
  color: var(--mc-teal-dark);
  background: var(--mc-teal-soft);
  border-color: color-mix(in srgb, var(--mc-teal) 35%, transparent);
}
.gate-main--unlock {
  display: grid;
  place-items: center;
  padding-top: 18px;
}
.gate-legal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 22px 22px 28px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}
.gate-legal h1 {
  margin: 0 0 6px;
  font-size: 1.45rem;
  font-weight: 650;
}
.gate-legal h2 {
  margin: 1.35rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 650;
}
.gate-legal p, .gate-legal li {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.95rem;
}
.gate-legal a { color: var(--mc-teal-dark); }
.gate-legal .legal-meta { margin: 0 0 1.1rem; font-size: 0.88rem; }
.gate-legal .legal-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 10px 0;
}

/* Login — white card like Many Chat surfaces */
.login-body {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 24px;
  background: var(--bg);
}
.login-card {
  width: min(380px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 32px 28px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
}
.login-card h1 {
  margin: 10px 0 6px;
  font-size: 1.5rem;
  font-weight: 650;
  color: var(--text);
}
.login-card .sub {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.95rem;
}
.login-card form { display: grid; gap: 12px; }
.login-card input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 1.15rem;
  letter-spacing: 0.2em;
  text-align: center;
}
.login-card input:focus {
  outline: 2px solid color-mix(in srgb, var(--mc-teal) 45%, transparent);
  border-color: var(--mc-teal);
}
.login-card button {
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--mc-teal);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}
.login-card button:hover { background: var(--mc-teal-dark); }
.err {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  padding: 10px 12px;
  border-radius: 8px;
  margin: 0 0 8px;
  font-size: 0.9rem;
}

/* Hub shell */
.hub-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}
.tabs { display: flex; gap: 6px; }
.tab {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.tab:hover { color: var(--text); background: #f3f5f8; }
.tab.is-active {
  color: var(--mc-teal-dark);
  background: var(--mc-teal-soft);
  border-color: transparent;
}
.topbar-right { display: flex; align-items: center; gap: 8px; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}
.btn-ghost:hover { color: var(--text); background: #f3f5f8; }

.frame-wrap {
  flex: 1;
  min-height: 0;
  background: var(--bg);
}
.app-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: var(--bg);
}

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
}