/* KASC Research - registration/password recovery layer.
   Requires kasc-site.v3.1.1.css and reuses its design tokens. */

.kasc-registration-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 82% 8%, rgba(92,242,199,.12), transparent 28rem),
    radial-gradient(circle at 18% 88%, rgba(102,185,255,.07), transparent 32rem),
    linear-gradient(180deg, var(--ink-950), var(--ink-900) 54%, var(--ink-950));
}

.registration-header {
  height: var(--header-h);
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(2,7,17,.72);
  backdrop-filter: blur(18px) saturate(140%);
}

.registration-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.registration-security {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--text-dim);
  font: 700 .68rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.registration-security .live-dot {
  width: .42rem;
  height: .42rem;
}

.registration-main {
  position: relative;
  isolation: isolate;
  flex: 1 0 auto;
  display: grid;
  align-items: center;
  padding: clamp(3.5rem,7vw,7rem) 0;
  overflow: hidden;
}

.registration-main::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .10;
  background: url("../images/kasc-grid.v3.0.0.svg") center/cover;
  pointer-events: none;
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(0,.92fr) minmax(390px,.72fr);
  gap: clamp(3rem,8vw,8rem);
  align-items: center;
}

.auth-visual {
  max-width: 700px;
}

.auth-visual h1 {
  max-width: 680px;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem,6vw,6rem);
  font-weight: 690;
}

.auth-visual > p:not(.eyebrow) {
  max-width: 610px;
  font-size: clamp(1rem,1.5vw,1.16rem);
}

.auth-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 2rem;
}

.auth-meta span {
  padding: .35rem .65rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.018);
  font: 600 .67rem/1.25 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.auth-pane {
  width: 100%;
  max-width: 520px;
  justify-self: end;
}

.auth-card {
  position: relative;
  width: 100%;
  padding: clamp(1.5rem,4vw,2.35rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(14,29,47,.88), rgba(4,15,27,.96));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.auth-card::before {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  right: -8rem;
  top: -11rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92,242,199,.13), transparent 68%);
  pointer-events: none;
}

.auth-card__head {
  position: relative;
  margin-bottom: 1.6rem;
}

.auth-card__head .eyebrow {
  margin-bottom: .7rem;
}

.auth-card__head h2 {
  margin-bottom: .65rem;
  font-size: clamp(1.9rem,3.4vw,2.65rem);
}

.auth-card__head p {
  margin-bottom: 0;
  font-size: .9rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: .4rem;
}

.field label {
  color: var(--text-soft);
  font-size: .72rem;
  font-weight: 720;
}

.field input,
.auth-card input[type="text"],
.auth-card input[type="email"],
.auth-card input[type="password"] {
  width: 100%;
  min-height: 3rem;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: rgba(255,255,255,.035);
  padding: .75rem .85rem;
  outline: none;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.field input:focus,
.auth-card input:focus {
  border-color: rgba(92,242,199,.62);
  background: rgba(92,242,199,.045);
  box-shadow: 0 0 0 .22rem rgba(92,242,199,.08);
}

.field .helptext,
.field ul {
  margin: 0;
  color: var(--text-dim);
  font-size: .68rem;
  line-height: 1.5;
}

.field ul {
  padding-left: 1.1rem;
}

.errorlist {
  list-style: none;
  padding: .7rem .8rem !important;
  margin: 0 0 .35rem !important;
  color: var(--danger) !important;
  border: 1px solid rgba(255,125,137,.25);
  border-radius: .7rem;
  background: rgba(255,125,137,.06);
  font-size: .75rem !important;
}

.auth-alert {
  margin-bottom: 1rem;
  padding: .8rem .9rem;
  color: var(--danger);
  border: 1px solid rgba(255,125,137,.28);
  border-radius: .75rem;
  background: rgba(255,125,137,.055);
  font-size: .76rem;
}

.auth-alert--success {
  color: var(--accent);
  border-color: rgba(92,242,199,.28);
  background: rgba(92,242,199,.055);
}

.button--full {
  width: 100%;
}

.auth-links {
  display: grid;
  gap: .55rem;
  margin-top: 1.35rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.auth-links p {
  margin: 0;
  color: var(--text-dim);
  font-size: .78rem;
}

.auth-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 720;
}

.auth-links a:hover {
  color: #7ff8d8;
}

.auth-security {
  margin-top: 1.15rem;
  padding: .8rem .9rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: rgba(255,255,255,.018);
  font-size: .72rem;
  line-height: 1.55;
}

.auth-status {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .95rem;
  border: 1px solid var(--line);
  border-radius: .85rem;
  background: rgba(255,255,255,.022);
}

.auth-status__icon {
  width: 2.2rem;
  height: 2.2rem;
  flex: 0 0 2.2rem;
  display: grid;
  place-items: center;
  color: var(--ink-950);
  border-radius: 50%;
  background: var(--accent);
  font-weight: 900;
}

.auth-status h3 {
  margin: .05rem 0 .3rem;
  font-size: .92rem;
}

.auth-status p {
  margin: 0;
  color: var(--text-dim);
  font-size: .75rem;
  line-height: 1.5;
}

.registration-footer {
  flex: 0 0 auto;
  border-top: 1px solid var(--line);
  background: rgba(2,7,17,.7);
}

.registration-footer .shell {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-dim);
  font-size: .66rem;
}

@media (max-width:900px) {
  .auth-shell {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }

  .auth-visual {
    max-width: 760px;
  }

  .auth-visual h1 {
    max-width: 760px;
    font-size: clamp(2.7rem,9vw,5rem);
  }

  .auth-pane {
    max-width: 620px;
    justify-self: start;
  }
}

@media (max-width:620px) {
  .registration-security {
    display: none;
  }

  .registration-main {
    padding: 2.2rem 0 3rem;
  }

  .auth-visual h1 {
    font-size: clamp(2.45rem,13vw,4rem);
  }

  .auth-meta {
    display: none;
  }

  .auth-card {
    padding: 1.25rem;
    border-radius: 1rem;
  }

  .registration-footer .shell {
    justify-content: center;
    text-align: center;
  }

  .registration-footer .shell span:last-child {
    display: none;
  }
}