/* ==========================================================================
   auth.css — shared shell for the portal auth pages
   (login.html, forgot-password.html, set-password.html)
   Tokens mirror styles.css so the portal reads as the same product.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple: #442061;
  --purple-deep: #2E1442;
  --purple-light: #6A2F97;
  --blue: #2E89E6;
  --blue-deep: #1B6FC6;
  --charcoal: #0E0A1A;
  --graphite: #2A2533;
  --muted: rgba(14,10,26,0.56);
  --faint: rgba(14,10,26,0.36);
  --hair: rgba(14,10,26,0.08);
  --hair-2: rgba(14,10,26,0.14);
  --emerald: #1E8A5E;
  --ease: cubic-bezier(.22,.61,.36,1);
}

html, body { height: 100%; }
body {
  font-family: 'Montserrat', system-ui, sans-serif;
  color: var(--charcoal);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

.auth {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}

/* ================= Left: brand panel ================= */
.auth-brand {
  position: relative;
  overflow: hidden;
  padding: 52px 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(155deg, var(--purple-deep) 0%, var(--purple) 46%, var(--blue-deep) 100%);
  color: #fff;
  isolation: isolate;
}
.auth-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(52% 44% at 18% 12%, rgba(106,47,151,.55), transparent 70%),
    radial-gradient(46% 42% at 88% 84%, rgba(46,137,230,.45), transparent 72%);
}
/* faint grid, masked out toward the edges */
.auth-brand::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 76% 66% at 40% 40%, #000, transparent 78%);
          mask-image: radial-gradient(ellipse 76% 66% at 40% 40%, #000, transparent 78%);
}

.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 12px;
  background: rgba(255,255,255,.94);
  background-image: url('bix-logo.png');
  background-size: 26px;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 8px 22px rgba(10,6,20,.28);
}
.brand-wordmark {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -.01em;
}
.brand-wordmark span {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.62);
  margin-top: 2px;
}

.brand-mid { max-width: 34ch; }
.brand-mid h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: clamp(28px, 2.9vw, 40px);
  line-height: 1.1;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.brand-mid p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.62;
  color: rgba(255,255,255,.74);
  max-width: 34ch;
}

.brand-list {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  list-style: none;
}
.brand-list li {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 14px;
  color: rgba(255,255,255,.9);
}
.brand-list svg { flex: none; opacity: .85; }

.brand-foot {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,.6);
}
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4ADE9B;
  box-shadow: 0 0 0 0 rgba(74,222,155,.5);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 8px rgba(74,222,155,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,155,0); }
}

/* ================= Right: form ================= */
.auth-form {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 52px 40px;
  background:
    radial-gradient(70% 50% at 100% 0%, rgba(68,32,97,.05), transparent 65%),
    radial-gradient(60% 50% at 0% 100%, rgba(46,137,230,.05), transparent 65%),
    #fff;
}

.back-link {
  position: absolute;
  top: 30px; left: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  transition: color 240ms var(--ease);
}
.back-link:hover { color: var(--charcoal); }
.back-link svg { transition: transform 240ms var(--ease); }
.back-link:hover svg { transform: translateX(-2px); }

.form-inner { width: 100%; max-width: 400px; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--purple);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--purple), var(--blue));
}

h1 {
  margin-top: 14px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -.03em;
}
.desc {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
}
.desc strong { color: var(--graphite); font-weight: 600; }

form { margin-top: 30px; }
.field + .field { margin-top: 16px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--graphite);
  margin-bottom: 7px;
}
.input-wrap { position: relative; }
.input-wrap input {
  width: 100%;
  height: 50px;
  padding: 0 15px;
  border: 1px solid var(--hair-2);
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  color: var(--charcoal);
  background: #fff;
  outline: none;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
  -webkit-appearance: none;
}
.input-wrap input::placeholder { color: var(--faint); }
.input-wrap input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(68,32,97,.12);
}
.input-wrap input.has-toggle { padding-right: 48px; }

.toggle-pw {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 5px;
  color: var(--faint);
  display: grid;
  place-items: center;
  border-radius: 7px;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}
.toggle-pw:hover { color: var(--graphite); background: rgba(14,10,26,.04); }

.hint {
  margin-top: 7px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--faint);
}

.extras {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.remember {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  user-select: none;
  font-size: 13.5px;
  color: var(--graphite);
}
.remember input { position: absolute; opacity: 0; pointer-events: none; }
.checkmark {
  width: 19px; height: 19px;
  flex: none;
  border-radius: 6px;
  border: 1.5px solid var(--hair-2);
  background: #fff;
  display: grid;
  place-items: center;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}
.checkmark svg { opacity: 0; transition: opacity 150ms var(--ease); }
.remember input:checked + .checkmark {
  background: var(--purple);
  border-color: var(--purple);
}
.remember input:checked + .checkmark svg { opacity: 1; }
.remember input:focus-visible + .checkmark {
  box-shadow: 0 0 0 3px rgba(68,32,97,.18);
}

.forgot {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--purple);
  text-decoration: none;
  transition: opacity 200ms var(--ease);
}
.forgot:hover { opacity: .72; }

/* ---- Feedback ---- */
.error, .notice {
  display: none;
  margin-top: 18px;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: 10px;
  padding: 11px 13px;
}
.error {
  color: #A6321F;
  background: #FDF3F1;
  border: 1px solid #F3CFC8;
}
.notice {
  color: #1B5E43;
  background: #F0F9F4;
  border: 1px solid #C6E6D5;
}
.error.show, .notice.show { display: flex; }
.error svg, .notice svg { flex: none; margin-top: 1px; }

.submit-btn {
  width: 100%;
  height: 52px;
  margin-top: 22px;
  border: 0;
  border-radius: 12px;
  background: var(--purple);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  box-shadow: 0 14px 30px -12px rgba(46,20,66,.6);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), filter 260ms var(--ease);
}
.submit-btn:hover:not(:disabled) {
  background: #371851;
  transform: translateY(-1px);
  box-shadow: 0 18px 38px -12px rgba(46,20,66,.66);
}
.submit-btn:active:not(:disabled) { transform: translateY(0); }
.submit-btn:disabled { cursor: default; filter: saturate(.6) opacity(.72); }
.submit-btn svg { transition: transform 300ms var(--ease); }
.submit-btn:hover:not(:disabled) svg { transform: translateX(3px); }

.form-foot {
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.form-foot a { color: var(--purple); font-weight: 600; text-decoration: none; }
.form-foot a:hover { opacity: .72; }

/* ---- Terminal states (sent / success / bad link) ---- */
.state { text-align: center; padding: 12px 0; }
.state-icon {
  width: 62px; height: 62px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(140deg, var(--purple), var(--blue-deep));
  box-shadow: 0 16px 34px -14px rgba(46,20,66,.6);
}
.state-icon--warn {
  background: linear-gradient(140deg, #B4472E, #8C2F1D);
  box-shadow: 0 16px 34px -14px rgba(140,47,29,.55);
}
.state h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -.03em;
}
.state p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.state p strong { color: var(--graphite); font-weight: 600; }
.state .submit-btn { margin-top: 26px; }

/* Spinner while a magic-link token is being verified */
.spinner {
  width: 30px; height: 30px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 2.5px solid rgba(68,32,97,.16);
  border-top-color: var(--purple);
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ================= Responsive ================= */
@media (max-width: 980px) {
  .auth { grid-template-columns: 1fr; }
  /* Panel becomes a compact header band; the form leads on small screens. */
  .auth-brand { padding: 26px 28px 30px; gap: 22px; }
  .brand-mid { max-width: none; }
  .brand-mid h2 { font-size: 26px; }
  .brand-mid p { display: none; }
  .brand-list { flex-direction: row; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; }
  .brand-list li { font-size: 13px; }
  .brand-foot { display: none; }
  /* Stack instead of centring, so the back link sits above the form
     rather than becoming a flex sibling beside it. */
  .auth-form {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 26px 28px 56px;
  }
  .back-link { position: static; align-self: flex-start; margin-bottom: 30px; }
  .form-inner { max-width: 440px; margin: 0 auto; }
}
@media (max-width: 520px) {
  .auth-brand { padding: 22px 20px 26px; }
  .brand-mid h2 { font-size: 23px; }
  .brand-list li:nth-child(n+3) { display: none; }
  .auth-form { padding: 32px 20px 44px; }
  .extras { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot, .spinner { animation: none; }
  .back-link svg, .submit-btn, .submit-btn svg, .checkmark, .checkmark svg { transition: none; }
}