/*
 * CortexAuth gate — the single, shared look for every Cortex login.
 * Self-contained: system fonts, brand-variable fallbacks, no external assets.
 * Apps may set --cx-accent / --cx-bg etc. to tint it; defaults are the
 * Cortex dark palette so it looks right with zero configuration.
 */
:root {
  --cx-auth-bg: var(--cx-bg, #0b0e14);
  --cx-auth-scrim: rgba(6, 9, 14, 0.78);
  --cx-auth-card: var(--cx-surface, #11151d);
  --cx-auth-line: var(--cx-line, rgba(255, 255, 255, 0.08));
  --cx-auth-text: var(--cx-text, #e7ecf3);
  --cx-auth-muted: var(--cx-muted, #8a94a6);
  --cx-auth-accent: var(--cx-accent, #5b8cff);
  --cx-auth-accent-ink: var(--cx-accent-ink, #07101f);
  --cx-auth-danger: var(--cx-danger, #ff6b6b);
}

html.cortex-auth-locked { overflow: hidden; }

.cortex-auth-gate {
  position: fixed;
  inset: 0;
  z-index: 2147483000; /* above everything an app might render */
  display: none;
  place-items: center;
  padding: 24px;
  background: var(--cx-auth-scrim);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
.cortex-auth-gate.is-visible { display: grid; }

.cortex-auth-card {
  width: 100%;
  max-width: 380px;
  box-sizing: border-box;
  padding: 32px 28px 26px;
  background: var(--cx-auth-card);
  border: 1px solid var(--cx-auth-line);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  color: var(--cx-auth-text);
  text-align: center;
  animation: cortex-auth-rise 0.28s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes cortex-auth-rise {
  from { opacity: 0; transform: translateY(10px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

.cortex-auth-card { position: relative; }
.cortex-auth-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-size: 14px;
  line-height: 1;
  color: var(--cx-auth-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}
.cortex-auth-close:hover { background: rgba(255, 255, 255, 0.06); color: var(--cx-auth-text); }

.cortex-auth-mark {
  font-size: 30px;
  line-height: 1;
  color: var(--cx-auth-accent);
  margin-bottom: 14px;
}
.cortex-auth-app {
  margin: 0 0 6px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.cortex-auth-blurb {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--cx-auth-muted);
}

.cortex-auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px;
  font-size: 14.5px;
  font-weight: 600;
  font-family: inherit;
  border-radius: 11px;
  border: 1px solid var(--cx-auth-line);
  background: transparent;
  color: var(--cx-auth-text);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.06s ease, opacity 0.16s ease;
}
.cortex-auth-btn:hover { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.16); }
.cortex-auth-btn:active { transform: translateY(1px); }
.cortex-auth-btn:disabled { opacity: 0.55; cursor: progress; }
.cortex-auth-glyph { font-size: 15px; }

.cortex-auth-passkey {
  border-color: color-mix(in srgb, var(--cx-auth-accent) 45%, transparent);
}
.cortex-auth-passkey:hover {
  border-color: var(--cx-auth-accent);
  background: color-mix(in srgb, var(--cx-auth-accent) 12%, transparent);
}

.cortex-auth-primary {
  margin-top: 10px;
  background: var(--cx-auth-accent);
  border-color: var(--cx-auth-accent);
  color: var(--cx-auth-accent-ink);
}
.cortex-auth-primary:hover {
  background: color-mix(in srgb, var(--cx-auth-accent) 88%, white);
  border-color: color-mix(in srgb, var(--cx-auth-accent) 88%, white);
}

.cortex-auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 2px;
  color: var(--cx-auth-muted);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cortex-auth-divider::before,
.cortex-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--cx-auth-line);
}

.cortex-auth-input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--cx-auth-text);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--cx-auth-line);
  border-radius: 11px;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.cortex-auth-input::placeholder { color: var(--cx-auth-muted); }
.cortex-auth-input:focus {
  border-color: var(--cx-auth-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cx-auth-accent) 22%, transparent);
}

.cortex-auth-error {
  min-height: 18px;
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--cx-auth-danger);
}

@media (max-width: 420px) {
  .cortex-auth-card { padding: 26px 20px 22px; border-radius: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .cortex-auth-card { animation: none; }
}