/* ============================================================
   Supabase auth gate — a glimmering world-map backdrop behind a
   frosted glass card with an Apple-style segmented Sign-in / Register
   selector and glassmorphic inputs. Fail-closed: the app shell stays
   hidden until data-auth="in" (set pre-paint in theme-init).
   ============================================================ */
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: var(--s-4);
  overflow: hidden;
  background: var(--bg);
}
:root[data-auth="in"] .auth-gate { display: none; }

/* Hide the app shell until signed in. */
:root:not([data-auth="in"]) .app-shell,
:root:not([data-auth="in"]) .navbar,
:root:not([data-auth="in"]) .toolbar,
:root:not([data-auth="in"]) .widget-bar,
:root:not([data-auth="in"]) .deal-bar,
:root:not([data-auth="in"]) .cockpit,
:root:not([data-auth="in"]) .toast-stack { display: none !important; }

/* ---- Glimmering map backdrop ---- */
.auth-map {
  position: absolute;
  inset: -8% -4%;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 120% at 50% 45%, #000 35%, transparent 78%);
  mask-image: radial-gradient(120% 120% at 50% 45%, #000 35%, transparent 78%);
}
.auth-map svg { width: 100%; height: 100%; display: block; }
.auth-map svg rect { will-change: opacity; }
@keyframes glimmer { 0% { opacity: 1; } 100% { opacity: 0.08; } }

/* Veil: lift the green signal at the top, sink the center for card contrast. */
.auth-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(70% 55% at 50% 8%, oklch(84% 0.14 230 / 0.12), transparent 60%),
    radial-gradient(60% 60% at 50% 52%, oklch(12% 0.012 250 / 0.78), transparent 72%),
    linear-gradient(180deg, transparent 40%, var(--bg) 100%);
}

/* ---- Frosted glass card ---- */
.auth-card {
  position: relative;
  z-index: 2;
  width: min(424px, 100%);
  align-self: center;
  padding: clamp(1.7rem, 4vw, 2.5rem);
  border-radius: var(--r-2xl);
  background: oklch(19% 0.015 250 / 0.55);
  border: 1px solid oklch(100% 0 0 / 0.14);
  box-shadow:
    0 30px 90px -24px oklch(0% 0 0 / 0.72),
    0 0 90px oklch(84% 0.14 230 / 0.08),
    inset 0 1px 0 oklch(100% 0 0 / 0.1);
  backdrop-filter: blur(30px) saturate(150%);
  -webkit-backdrop-filter: blur(30px) saturate(150%);
  animation: card-rise var(--dur-3) var(--ease) both;
}

.auth-logo { display: inline-flex; align-items: center; gap: 11px; margin-bottom: var(--s-4); }
.auth-logo .brand-mark { color: var(--accent); display: grid; place-items: center; filter: drop-shadow(0 0 12px oklch(84% 0.14 230 / 0.55)); }
.auth-brand-text { display: flex; flex-direction: column; line-height: 1; }
.auth-brand-text .brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; letter-spacing: -0.02em; }
.auth-brand-text .brand-tag { font-family: var(--font-mono); font-size: 0.5rem; font-weight: 500; letter-spacing: 0.22em; color: var(--text-4); margin-top: 3px; }

/* ---- Segmented Sign in / Create account selector (sliding thumb) ---- */
.auth-seg {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  border-radius: var(--r-pill);
  background: oklch(0% 0 0 / 0.3);
  border: 1px solid var(--hairline);
  box-shadow: inset 0 1px 2px oklch(0% 0 0 / 0.3);
}
.auth-seg-btn {
  position: relative;
  z-index: 1;
  padding: 10px 8px;
  border: none;
  background: none;
  border-radius: var(--r-pill);
  color: var(--text-3);
  font: inherit;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: color var(--dur-2) var(--ease);
}
.auth-seg-btn.is-active { color: var(--bg); }
.auth-seg-thumb {
  position: absolute;
  z-index: 0;
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  border-radius: var(--r-pill);
  background: var(--accent);
  box-shadow: 0 5px 18px -5px oklch(84% 0.14 230 / 0.65);
  transition: transform var(--dur-2) var(--spring);
}
.auth-seg[data-mode="up"] .auth-seg-thumb { transform: translateX(100%); }

.auth-sub { color: var(--text-3); font-size: var(--text-sm); margin: var(--s-3) 0 var(--s-4); line-height: 1.45; }

/* ---- Glassmorphic Apple-style inputs ---- */
.auth-form { display: flex; flex-direction: column; gap: var(--s-3); }
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field > span { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-size: var(--text-2xs); color: var(--text-4); }

/* Register-only fields (first/last name, referral) — collapse out in sign-in mode
   (display:none via [hidden] → no leftover flex gap) and reveal with a soft slide. */
.auth-reg { animation: reg-reveal var(--dur-2) var(--ease) both; }
.auth-name-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
@keyframes reg-reveal { from { opacity: 0; transform: translateY(-6px); } }
.glass-input {
  width: 100%;
  padding: 13px 15px;
  border-radius: var(--r-md);
  background: oklch(100% 0 0 / 0.05);
  border: 1px solid oklch(100% 0 0 / 0.12);
  color: var(--text);
  font: inherit;
  font-size: var(--text-base);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.08), 0 1px 2px oklch(0% 0 0 / 0.2);
  transition: border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
}
.glass-input::placeholder { color: var(--text-4); }
.glass-input:focus {
  outline: none;
  border-color: oklch(84% 0.14 230 / 0.6);
  background: oklch(100% 0 0 / 0.08);
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.1), 0 0 0 4px oklch(84% 0.14 230 / 0.16), 0 6px 22px -8px oklch(84% 0.14 230 / 0.4);
}
.auth-submit { width: 100%; justify-content: center; margin-top: 4px; padding: 13px; font-size: var(--text-base); }

.auth-msg { margin-top: var(--s-3); font-size: var(--text-sm); padding: 10px 13px; border-radius: var(--r-md); line-height: 1.4; }
.auth-msg.err { color: oklch(82% 0.12 28); background: oklch(72% 0.19 28 / 0.12); border: 1px solid oklch(72% 0.19 28 / 0.3); }
.auth-msg.ok { color: var(--accent); background: oklch(84% 0.14 230 / 0.1); border: 1px solid oklch(84% 0.14 230 / 0.3); }

.auth-foot { position: relative; z-index: 2; align-self: end; font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--text-4); letter-spacing: 0.04em; padding-bottom: var(--s-3); text-align: center; }

/* Profile-menu account row */
.menu-account { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); margin-top: var(--s-2); padding-top: var(--s-2); border-top: 1px solid var(--hairline); }
.menu-account-email { font-size: var(--text-2xs); color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-mono); }
.menu-account #signOutBtn { flex: none; }

@media (prefers-reduced-motion: reduce) {
  .auth-map svg rect { animation: none !important; }
  .auth-seg-thumb { transition: none; }
}