/* ============================================================
   Gateway (login / signup) page.
   The theme ships its own login.html, but the core form fragments
   stay untouched so CSRF, OAuth2, captcha and password encryption
   keep working. Only the shell and the skin live here.
   ============================================================ */

:root {
  color-scheme: light dark;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.gateway-page {
  height: auto;
  min-height: 100vh;
  background: #f2f5ec;
}

.gateway-wrapper {
  max-width: none;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.gw-page {
  --gw-accent: var(--gw-accent-light, #1158d1);
  --gw-mint: #bbc789;
  --gw-bg: #f2f5ec;
  --gw-bg-2: #e6eddc;
  --gw-card: #ffffff;
  --gw-text: #353538;
  --gw-text-2: #5f6a6b;
  --gw-muted: #8a9490;
  --gw-border: rgba(53, 53, 56, 0.12);
  --gw-field: #f5f7f0;
  --gw-shadow: 0 26px 64px rgba(38, 58, 52, 0.13);
  --gw-ring: color-mix(in srgb, var(--gw-accent) 15%, transparent);
  --gw-bg-blur: 0px;
  --gw-dim: 0;
  --gw-photo-pos: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 100vh;
  padding: 56px 20px;
  overflow: hidden;
  color: var(--gw-text);
  background:
    radial-gradient(880px 520px at 10% -12%, color-mix(in srgb, var(--gw-mint) 52%, transparent), transparent 66%),
    radial-gradient(760px 480px at 94% 110%, color-mix(in srgb, var(--gw-accent) 20%, transparent), transparent 64%),
    linear-gradient(165deg, var(--gw-bg), var(--gw-bg-2));
}

/* optional photo background: sits under the card, blurred on its own layer
   so the card and the form stay crisp */
.gw-bg {
  position: absolute;
  inset: -44px;
  width: calc(100% + 88px);
  height: calc(100% + 88px);
  object-fit: cover;
  object-position: var(--gw-photo-pos, center);
  filter: blur(var(--gw-bg-blur, 0px));
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.gw-page.has-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: rgba(14, 20, 28, var(--gw-dim, 0));
}

.gw-page.has-photo .gw-orb {
  opacity: 0.22;
}

/* soft light blobs, purely decorative */
.gw-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.6;
  pointer-events: none;
}
.gw-orb-a {
  width: 320px;
  height: 320px;
  top: -110px;
  left: -80px;
  background: color-mix(in srgb, var(--gw-mint) 70%, transparent);
}
.gw-orb-b {
  width: 360px;
  height: 360px;
  right: -130px;
  bottom: -140px;
  background: color-mix(in srgb, var(--gw-accent) 26%, transparent);
}

/* ---------- card ---------- */
.gw-card {
  position: relative;
  z-index: 1;
  width: min(408px, 100%);
  padding: 32px 32px 22px;
  background: var(--gw-card);
  border: 1px solid var(--gw-card-edge, var(--gw-border));
  border-radius: 24px;
  box-shadow: var(--gw-shadow);
}
.gw-page.has-photo .gw-card {
  box-shadow: 0 30px 72px rgba(12, 18, 26, 0.34);
}

.gw-head {
  margin-bottom: 22px;
  text-align: center;
}

.gw-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  overflow: hidden;
  color: #fff;
  text-decoration: none;
  border-radius: 18px;
  background: linear-gradient(140deg, var(--gw-accent), color-mix(in srgb, var(--gw-accent) 45%, var(--gw-mint)));
  box-shadow: 0 14px 28px color-mix(in srgb, var(--gw-accent) 26%, transparent);
}
.gw-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.gw-logo-mark {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.gw-logo.is-circle {
  border-radius: 50%;
}
.gw-logo.is-square {
  border-radius: 8px;
}

.gw-title {
  margin: 14px 0 5px;
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--gw-text);
}
.gw-sub {
  margin: 0;
  font-size: 0.855rem;
  color: var(--gw-muted);
}

/* ---------- core form, re-skinned ---------- */
.gw-body .halo-form .form-item {
  margin-bottom: 15px;
}
.gw-body .halo-form .form-item-group {
  gap: 12px;
  margin-bottom: 15px;
}
.gw-body .halo-form .form-item-group .form-item {
  flex: 1 1 0;
  min-width: 0;
  margin-bottom: 0;
}
.gw-body .halo-form .form-input-group {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.gw-body .halo-form .form-item label {
  margin-bottom: 7px;
  color: var(--gw-text-2);
  font-size: 0.81rem;
  font-weight: 600;
}
.gw-body .halo-form .form-item .form-label-group {
  margin-bottom: 7px;
}
.gw-body .halo-form .form-input {
  height: 46px;
  padding: 0 14px;
  border: 1px solid var(--gw-border);
  border-radius: 12px;
  background: var(--gw-field);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.gw-body .halo-form .form-input:focus-within {
  border-color: var(--gw-accent);
  background: var(--gw-card);
  box-shadow: 0 0 0 4px var(--gw-ring);
  outline: none;
}
.gw-body .halo-form .form-item input {
  color: var(--gw-text);
  font-size: 0.92rem;
}
.gw-body .halo-form .form-item input::placeholder {
  color: color-mix(in srgb, var(--gw-muted) 82%, transparent);
}
.gw-body .halo-form .form-input-stack-icon {
  color: var(--gw-muted);
}
.gw-body .halo-form .form-item-extra-link {
  color: var(--gw-accent);
  font-size: 0.79rem;
  text-decoration: none;
}
.gw-body .halo-form .form-item-extra-link:hover {
  text-decoration: underline;
}
.gw-body .halo-form .form-item-compact {
  margin-bottom: 16px;
}
.gw-body .halo-form .form-item-compact label {
  color: var(--gw-text-2);
  font-size: 0.81rem;
}
.gw-body .halo-form input[type="checkbox"] {
  border: 1px solid var(--gw-border);
  border-radius: 5px;
  background-color: var(--gw-field);
  color: var(--gw-accent);
}
.gw-body .halo-form input[type="checkbox"]:checked {
  border-color: transparent;
  background-color: var(--gw-accent);
}

.gw-body .halo-form button[type="submit"] {
  width: 100%;
  height: 46px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  background: linear-gradient(120deg, var(--gw-accent), color-mix(in srgb, var(--gw-accent) 58%, var(--gw-mint)));
  box-shadow: 0 12px 26px color-mix(in srgb, var(--gw-accent) 26%, transparent);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}
.gw-body .halo-form button[type="submit"]:hover {
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 16px 32px color-mix(in srgb, var(--gw-accent) 32%, transparent);
}
.gw-body .halo-form button[type="submit"]:active {
  opacity: 1;
  transform: translateY(0);
}
.gw-body .halo-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* alerts */
.gw-body .alert {
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--gw-border);
  background: var(--gw-field);
  font-size: 0.8rem;
  color: var(--gw-text-2);
}
.gw-body .alert-error {
  border-color: color-mix(in srgb, #dc2626 32%, transparent);
  background: color-mix(in srgb, #dc2626 7%, var(--gw-card));
  color: #b91c1c;
}

/* third-party providers */
.gw-body .divider-wrapper {
  gap: 12px;
  margin: 18px 0 14px;
  color: var(--gw-muted);
  font-size: 0.78rem;
}
.gw-body .divider-wrapper hr {
  border-top: 1px solid var(--gw-border);
}
.gw-body .pill-items {
  gap: 8px;
}
.gw-body .pill-items li {
  border: 1px solid var(--gw-border);
  border-radius: 12px;
  background: var(--gw-card);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.gw-body .pill-items li a,
.gw-body .pill-items li button {
  padding: 0.5em 0.85em;
  color: var(--gw-text-2);
  font-size: 0.82rem;
}
.gw-body .pill-items li:hover {
  border-color: var(--gw-accent);
  background: color-mix(in srgb, var(--gw-accent) 6%, var(--gw-card));
  transform: translateY(-1px);
}
.gw-body .pill-items li img {
  border-radius: 6px;
}

/* ---------- footer ---------- */
.gw-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--gw-border);
  text-align: center;
}
.gw-foot .signup-notice-content,
.gw-foot .returntosite-content {
  margin: 0;
  font-size: 0.8rem;
  color: var(--gw-muted);
}
.gw-foot .signup-notice-content + .returntosite-content {
  margin-top: 8px;
}
.gw-foot a {
  color: var(--gw-accent);
  text-decoration: none;
}
.gw-foot a:hover {
  text-decoration: underline;
}
.gw-foot .returntosite-content a {
  color: var(--gw-text-2);
}

/* ---------- language switcher ---------- */
.gw-lang {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 3;
}
.gw-lang .language-switcher {
  margin: 0;
  gap: 6px;
}
.gw-lang .language-switcher label {
  display: none;
}
.gw-lang .language-switcher select {
  height: 32px;
  padding: 0 26px 0 10px;
  border: 1px solid var(--gw-border);
  border-radius: 10px;
  background-color: color-mix(in srgb, var(--gw-card) 88%, transparent);
  color: var(--gw-text-2);
  font-size: 0.78rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
}
.gw-lang .language-switcher select:focus {
  border-color: var(--gw-accent);
}

/* ---------- dark ---------- */
@media (prefers-color-scheme: dark) {
  body.gateway-page {
    background: #10131a;
  }
  .gw-page {
    --gw-accent: var(--gw-accent-dark, #008fec);
    --gw-bg: #10131a;
    --gw-bg-2: #0b0e14;
    --gw-card: #1b2230;
    --gw-card-edge: rgba(255, 255, 255, 0.14);
    --gw-text: #f3f5f7;
    --gw-text-2: #b6c2cf;
    --gw-muted: #8593a4;
    --gw-border: rgba(255, 255, 255, 0.1);
    --gw-field: #212b38;
    --gw-shadow: 0 26px 64px rgba(0, 0, 0, 0.5);
    background:
      radial-gradient(880px 520px at 10% -12%, color-mix(in srgb, var(--gw-accent) 26%, transparent), transparent 66%),
      radial-gradient(760px 480px at 94% 110%, color-mix(in srgb, #4f7d88 34%, transparent), transparent 64%),
      linear-gradient(165deg, var(--gw-bg), var(--gw-bg-2));
  }
  .gw-orb {
    opacity: 0.35;
  }
  .gw-page.has-photo .gw-orb {
    opacity: 0.14;
  }
  .gw-body .alert-error {
    color: #fca5a5;
  }
}

/* ---------- small screens ---------- */
@media (max-width: 460px) {
  .gw-page {
    padding: 44px 16px 32px;
    justify-content: flex-start;
  }
  .gw-lang {
    position: static;
    order: 2;
    margin-top: 4px;
    top: auto;
    right: auto;
  }
  .gw-card {
    width: 100%;
    padding: 26px 20px 18px;
    border-radius: 20px;
    box-shadow: 0 18px 44px rgba(38, 58, 52, 0.12);
  }
  .gw-logo {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }
  .gw-title {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gw-body .halo-form button[type="submit"],
  .gw-body .pill-items li {
    transition: none;
  }
}