:root {
  --lcc-bg: #0f1623;
  --lcc-bg-elev: #1a2436;
  --lcc-bg-elev-2: #233149;
  --lcc-line: rgba(255, 255, 255, 0.08);
  --lcc-line-strong: rgba(255, 255, 255, 0.16);
  --lcc-text: #f3f6fb;
  --lcc-text-dim: #9fb1c8;
  --lcc-accent: #19d2e6;
  --lcc-accent-strong: #00b6cc;
  --lcc-ink: #0a1726;
  --lcc-ok: #22c55e;
  --lcc-err: #fca5a5;
  --lcc-radius: 12px;
  --lcc-radius-sm: 8px;
}

body.lcc-body {
  margin: 0;
  background: var(--lcc-bg);
  color: var(--lcc-text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.hidden { display: none !important; }

.lcc-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 16px;
  background: var(--lcc-bg-elev);
  border-bottom: 1px solid var(--lcc-line);
}
.lcc-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--lcc-text);
  font-weight: 700;
  font-size: 15px;
}
.lcc-brand img { width: 28px; height: 28px; border-radius: 6px; background: var(--lcc-ink); }
.lcc-meta { display: flex; align-items: center; gap: 10px; }
.lcc-status-chip {
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--lcc-bg-elev-2);
  color: var(--lcc-text-dim);
  border: 1px solid var(--lcc-line);
}
.lcc-status-chip.connected { background: rgba(34, 197, 94, 0.15); color: #86efac; border-color: rgba(34, 197, 94, 0.4); }
.lcc-status-chip.error     { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }

.lcc-btn-primary, .lcc-btn-secondary {
  padding: 9px 16px;
  border-radius: var(--lcc-radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 38px;
}
.lcc-btn-primary { background: var(--lcc-accent); color: var(--lcc-ink); border-color: var(--lcc-accent-strong); }
.lcc-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.lcc-btn-secondary { background: var(--lcc-bg-elev-2); color: var(--lcc-text); border-color: var(--lcc-line-strong); }
.lcc-btn-secondary:disabled { opacity: 0.45; cursor: not-allowed; }

.lcc-main {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
}
.lcc-panel {
  background: var(--lcc-bg-elev);
  border: 1px solid var(--lcc-line);
  border-radius: var(--lcc-radius);
  padding: 14px 16px;
}
.lcc-panel h2 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--lcc-text-dim);
  text-transform: uppercase;
}
.lcc-help {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--lcc-text-dim);
  line-height: 1.5;
}
.lcc-help code {
  background: var(--lcc-bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.lcc-controls {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.lcc-field { display: flex; flex-direction: column; gap: 4px; }
.lcc-field > span {
  font-size: 11px;
  font-weight: 700;
  color: var(--lcc-text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lcc-field input {
  min-height: 40px;
  padding: 10px 12px;
  background: var(--lcc-bg-elev-2);
  color: var(--lcc-text);
  border: 1px solid var(--lcc-line-strong);
  border-radius: var(--lcc-radius-sm);
  font-size: 14px;
}
.lcc-field input:focus {
  outline: 2px solid var(--lcc-accent);
  outline-offset: 1px;
  border-color: transparent;
}

.lcc-status-bar { margin-top: 10px; font-size: 13px; color: var(--lcc-text-dim); min-height: 22px; }
.lcc-status-bar.error { color: var(--lcc-err); }
.lcc-status-bar.success { color: #86efac; }

.lcc-url-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.lcc-url-row input {
  flex: 1;
  min-height: 38px;
  padding: 9px 12px;
  background: var(--lcc-bg-elev-2);
  color: var(--lcc-text);
  border: 1px solid var(--lcc-line-strong);
  border-radius: var(--lcc-radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.lcc-help-details { font-size: 13px; color: var(--lcc-text-dim); margin-top: 6px; }
.lcc-help-details summary { cursor: pointer; padding: 4px 0; }
.lcc-help-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
}
.lcc-help-table th, .lcc-help-table td {
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--lcc-line);
  vertical-align: top;
}
.lcc-help-table th {
  font-family: ui-monospace, monospace;
  font-weight: 700;
  color: var(--lcc-text);
  width: 220px;
}

.lcc-preview-frame {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px dashed var(--lcc-line-strong);
  border-radius: var(--lcc-radius-sm);
  height: 340px;
  overflow: hidden;
  position: relative;
}
.lcc-preview-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Login overlay */
.lcc-login-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--lcc-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lcc-login-card {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--lcc-bg-elev);
  border: 1px solid var(--lcc-line-strong);
  border-radius: var(--lcc-radius);
  padding: 22px 20px;
}
.lcc-login-card h1 { text-align: center; margin: 0; font-size: 20px; }
.lcc-login-card p { text-align: center; color: var(--lcc-text-dim); margin: 0 0 6px; font-size: 13px; }
.lcc-login-logo { width: 56px; height: 56px; align-self: center; border-radius: 12px; background: var(--lcc-ink); object-fit: contain; }
.lcc-error { min-height: 18px; font-size: 13px; color: var(--lcc-err); text-align: center; }

body.lcc-body.pre-auth .lcc-topbar,
body.lcc-body.pre-auth .lcc-main { display: none; }