/* =====================================================================
   MavionSSO — sign-in surface
   Matches the Mavion News landing aesthetic: dark base, violet/cyan
   gradient, Inter throughout, glassy card with atmospheric backdrop.
   No logo assets — the brand mark is pure typography.
   ===================================================================== */

:root {
  --ink:        #0a0c14;
  --ink-2:      #11141d;
  --rule:       rgba(255,255,255,.07);
  --rule-2:     rgba(255,255,255,.14);
  --text:       #f5f5f5;
  --text-dim:   rgba(245,245,245,.62);
  --text-dimmer:rgba(245,245,245,.4);
  --mavion:     #c084fc;
  --mavion-2:   #a855f7;
  --cyan:       #66dcff;
  --cyan-2:     #00bbfe;
  --discord:    #5865F2;
  --discord-2:  #4752c4;
  --danger:     #ef4444;
  --green:      #10b981;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* The sign-in card swaps between mutually-exclusive states by toggling the
   [hidden] attribute (see showState() in script.js). Several of those state
   panels are display:flex, which would otherwise override the UA
   [hidden]{display:none} and render every state at once — force it. */
[hidden] { display: none !important; }

body.sso-body {
  background: var(--ink);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: rgba(192,132,252,.4); color: #fff; }

/* ──────────── Backdrop ──────────── */
.sso-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.sso-bg__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: .26;
}
.sso-bg__orb--violet {
  width: 620px; height: 620px;
  left: -160px; top: -200px;
  background: radial-gradient(circle, #c084fc 0%, transparent 70%);
  animation: ssoDrift 22s ease-in-out infinite alternate;
}
.sso-bg__orb--cyan {
  width: 520px; height: 520px;
  right: -120px; bottom: -120px;
  background: radial-gradient(circle, #00bbfe 0%, transparent 70%);
  animation: ssoDrift 26s ease-in-out infinite alternate-reverse;
  opacity: .18;
}
@keyframes ssoDrift {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(40px,-30px) scale(1.05); }
}
.sso-bg__grain {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.014) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: .8;
}

/* ──────────── Layout ──────────── */
.sso-main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 24px 36px;
}

.sso-card {
  width: 100%;
  max-width: 440px;
  background: rgba(17, 20, 29, .68);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--rule-2);
  border-radius: 22px;
  padding: 36px 32px 28px;
  box-shadow:
    0 24px 60px -16px rgba(0,0,0,.55),
    inset 0 1px 0 rgba(255,255,255,.04);
  position: relative;
  animation: ssoRise .42s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes ssoRise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ──────────── Brand mark ──────────── */
.sso-brand {
  text-align: center;
  margin-bottom: 26px;
}
.sso-brand__logo {
  width: 56px; height: 56px;
  border-radius: 12px;
  object-fit: contain;
  display: block;
  margin: 0 auto 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--rule);
  padding: 6px;
}
.sso-brand__mark {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  text-decoration: none;
  letter-spacing: -.025em;
  font-size: 1.85rem;
  line-height: 1;
  font-weight: 800;
  color: var(--text);
  transition: transform .15s ease;
}
.sso-brand__mark:hover { transform: translateY(-1px); }
.sso-brand__primary { color: #fff; }
.sso-brand__accent {
  color: var(--mavion);
  font-weight: 500;
  letter-spacing: -.01em;
}
.sso-brand__sub {
  font-size: .82rem;
  line-height: 1.55;
  color: var(--text-dim);
  margin: 10px auto 0;
  max-width: 320px;
}

/* ──────────── Section group ──────────── */
.sso-providers {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sso-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sso-group__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
}
.sso-group__eyebrow {
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dimmer);
  white-space: nowrap;
}
.sso-group__rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.sso-group--staff .sso-group__eyebrow { color: var(--mavion); }
.sso-group--staff .sso-group__rule {
  background: linear-gradient(90deg, rgba(192,132,252,.3), transparent);
}
.sso-group__hint {
  font-size: .72rem;
  line-height: 1.5;
  color: var(--text-dimmer);
  margin: 2px 0 0;
}
.sso-group__hint strong {
  color: var(--text-dim);
  font-weight: 600;
}

/* ──────────── Buttons ──────────── */
.sso-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--rule-2);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease,
              transform .12s ease, box-shadow .15s ease;
  text-align: left;
}
.sso-btn:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-1px);
}
.sso-btn:active { transform: translateY(0); }
.sso-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.sso-btn__icon {
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sso-btn__label { flex: 1; }
.sso-btn__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dimmer);
  transition: transform .15s ease, color .15s ease;
}
.sso-btn:hover .sso-btn__arrow {
  color: var(--text-dim);
  transform: translateX(2px);
}

/* Discord */
.sso-btn--discord {
  background: var(--discord);
  color: #fff;
  border-color: rgba(255,255,255,.06);
  box-shadow: 0 6px 18px -10px rgba(88,101,242,.6);
}
.sso-btn--discord:hover {
  background: var(--discord-2);
  border-color: rgba(255,255,255,.1);
}
.sso-btn--discord .sso-btn__arrow { color: rgba(255,255,255,.55); }
.sso-btn--discord:hover .sso-btn__arrow { color: #fff; }

/* Google */
.sso-btn--google {
  background: #fff;
  color: #1f1f1f;
  border-color: rgba(0,0,0,.08);
}
.sso-btn--google:hover {
  background: #f8f8f8;
  border-color: rgba(0,0,0,.12);
}
.sso-btn--google .sso-btn__arrow { color: rgba(0,0,0,.35); }
.sso-btn--google:hover .sso-btn__arrow { color: rgba(0,0,0,.55); }

/* Primary (email submit) */
.sso-btn--primary {
  background: linear-gradient(135deg, var(--mavion), var(--mavion-2));
  color: #fff;
  border-color: rgba(255,255,255,.08);
  box-shadow: 0 10px 26px -12px rgba(168,85,247,.55);
  justify-content: center;
}
.sso-btn--primary:hover {
  filter: brightness(1.06);
  border-color: rgba(255,255,255,.12);
}
.sso-btn--primary .sso-btn__arrow { color: rgba(255,255,255,.7); }
.sso-btn--primary:hover .sso-btn__arrow { color: #fff; }

/* Ghost */
.sso-btn--ghost {
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-size: .85rem;
  padding: 9px 14px;
  border-radius: 10px;
  justify-content: center;
}
.sso-btn--ghost:hover { background: rgba(255,255,255,.08); }

/* ──────────── Divider "or" ──────────── */
.sso-divider {
  position: relative;
  text-align: center;
  margin: 2px 0;
}
.sso-divider::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1px;
  background: var(--rule);
}
.sso-divider span {
  position: relative;
  display: inline-block;
  background: rgba(17, 20, 29, .8);
  padding: 0 10px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dimmer);
}

/* ──────────── Email form ──────────── */
.sso-email {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sso-email input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--rule-2);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-size: .92rem;
  transition: border-color .15s ease, background .15s ease;
}
.sso-email input[type="email"]::placeholder { color: var(--text-dimmer); }
.sso-email input[type="email"]:focus {
  outline: none;
  border-color: var(--mavion);
  background: rgba(0,0,0,.4);
  box-shadow: 0 0 0 4px rgba(192,132,252,.12);
}

/* ──────────── Loading state ──────────── */
.sso-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 0;
  text-align: center;
}
.sso-loading p {
  margin: 0;
  font-size: .9rem;
  color: var(--text-dim);
}
.sso-spinner {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,.1);
  border-top-color: var(--mavion);
  animation: ssoSpin .85s linear infinite;
}
@keyframes ssoSpin { to { transform: rotate(360deg); } }

/* ──────────── Signed-in state ──────────── */
.sso-signedin {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 0 4px;
}
.sso-avatar-wrap {
  position: relative;
  width: 88px; height: 88px;
  margin-bottom: 16px;
}
.sso-avatar-ring {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--mavion), var(--cyan), var(--mavion));
  animation: ssoSpin 3.4s linear infinite;
  opacity: .85;
}
.sso-avatar-ring::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--ink-2);
  border-radius: 50%;
}
.sso-avatar {
  position: relative;
  z-index: 1;
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(255,255,255,.06);
  display: block;
}
.sso-avatar-check {
  position: absolute;
  z-index: 2;
  right: -2px; bottom: -2px;
  width: 28px; height: 28px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  border: 3px solid var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: ssoPop .35s .25s ease-out both;
}
@keyframes ssoPop { from { transform: scale(0); } to { transform: scale(1); } }
.sso-signedin__name {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 4px;
  color: #fff;
}
.sso-signedin__handle {
  font-size: .82rem;
  color: var(--text-dimmer);
  margin: 0 0 22px;
  font-variant-numeric: tabular-nums;
}
.sso-signedin__actions {
  display: flex;
  gap: 8px;
  width: 100%;
}
.sso-signedin__actions .sso-btn { flex: 1; }
.sso-signedin__return {
  margin-top: 18px;
  font-size: .78rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: color .15s ease, border-color .15s ease;
}
.sso-signedin__return:hover {
  color: var(--cyan);
  border-bottom-color: rgba(102,220,255,.4);
}

/* ──────────── Magic-link sent ──────────── */
.sso-sent {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 0 4px;
}
.sso-sent__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(192,132,252,.1);
  border: 1px solid rgba(192,132,252,.28);
  color: var(--mavion);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.sso-sent__title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 8px;
  color: #fff;
}
.sso-sent__sub {
  font-size: .88rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0 0 22px;
  max-width: 320px;
}
.sso-sent__sub strong {
  color: var(--cyan);
  font-weight: 600;
}

/* ──────────── Error ──────────── */
.sso-error {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 10px;
  color: #fca5a5;
  font-size: .82rem;
  line-height: 1.5;
  animation: ssoRise .25s ease both;
}

/* ──────────── Footer links ──────────── */
.sso-foot {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: .74rem;
}
.sso-foot a {
  color: var(--text-dimmer);
  text-decoration: none;
  transition: color .15s ease;
}
.sso-foot a:hover { color: var(--text-dim); }
.sso-foot__dot { color: var(--text-dimmer); opacity: .6; }

/* TMC line below the card */
.sso-tmc {
  margin: 22px 0 0;
  font-size: .72rem;
  color: var(--text-dimmer);
  text-align: center;
}
.sso-tmc a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: color .15s ease, border-color .15s ease;
}
.sso-tmc a:hover {
  color: var(--text-dim);
  border-bottom-color: var(--rule-2);
}

/* ──────────── Mobile ──────────── */
@media (max-width: 480px) {
  .sso-main { padding: 32px 16px 24px; }
  .sso-card { padding: 28px 22px 22px; border-radius: 18px; }
  .sso-brand__mark { font-size: 1.6rem; }
  .sso-brand__sub { font-size: .78rem; }
  .sso-providers { gap: 18px; }
  .sso-btn { padding: 11px 14px; font-size: .88rem; }
}