/* User auth — calm graphite dark theme */

:root {
  --ua-ink: #1c1e24;
  --ua-muted: #6b7280;
  --ua-line: rgba(28, 30, 36, 0.1);
  --ua-accent: #3b82f6;
  --ua-accent-deep: #2563eb;
  --ua-surface: #ffffff;
  --ua-soft: #f3f4f6;
  --ua-danger: #dc2626;
  --ua-info: #0369a1;
  --ua-font: "Manrope", system-ui, sans-serif;
  --ua-display: "Outfit", system-ui, sans-serif;
  --ua-night: #0b0e14;
  --ua-night-mid: #151922;
}

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

html,
body.user-auth {
  margin: 0;
  min-height: 100%;
  font-family: var(--ua-font);
  color: var(--ua-ink);
  background: var(--ua-night);
  -webkit-font-smoothing: antialiased;
}

.ua-page {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1.25rem;
  overflow: hidden;
}

.ua-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 65% 50% at 20% 15%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 85%, rgba(148, 163, 184, 0.1), transparent 50%),
    linear-gradient(165deg, #0b0e14 0%, #111827 50%, #151922 100%);
}

.ua-bg__grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  animation: ua-grid-drift 28s linear infinite;
}

.ua-bg__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  animation: ua-float 12s ease-in-out infinite;
}

.ua-bg__orb--a {
  width: 340px;
  height: 340px;
  top: -80px;
  right: 8%;
  background: rgba(59, 130, 246, 0.22);
}

.ua-bg__orb--b {
  width: 280px;
  height: 280px;
  bottom: -60px;
  left: 5%;
  background: rgba(148, 163, 184, 0.14);
  animation-delay: -4s;
}

.ua-shell {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(21, 25, 34, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  animation: ua-rise 0.7s ease both;
}

.ua-brand {
  padding: 2.75rem 2.5rem;
  color: #e5e7eb;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(160deg, rgba(59, 130, 246, 0.12), transparent 55%),
    linear-gradient(180deg, #151922, #0b0e14);
  min-height: 560px;
}

.ua-brand__logo {
  height: 34px;
  width: auto;
}

.ua-brand__mark {
  font-family: var(--ua-display);
  font-size: clamp(1.9rem, 3vw, 2.55rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 2.5rem 0 0;
  color: #f9fafb;
}

.ua-brand__mark span {
  color: #93c5fd;
}

.ua-brand__copy {
  margin: 1rem 0 0;
  color: rgba(229, 231, 235, 0.72);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 28ch;
}

.ua-brand__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.ua-brand__stat {
  padding: 0.85rem 0.7rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.12);
  animation: ua-rise 0.8s ease both;
}

.ua-brand__stat:nth-child(2) { animation-delay: 0.08s; }
.ua-brand__stat:nth-child(3) { animation-delay: 0.16s; }

.ua-brand__stat strong {
  display: block;
  font-family: var(--ua-display);
  font-size: 1.15rem;
  font-weight: 650;
  color: #f9fafb;
}

.ua-brand__stat span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(156, 163, 175, 0.95);
}

.ua-panel {
  background: var(--ua-surface);
  padding: 2.5rem 2.25rem;
  display: flex;
  align-items: center;
}

.ua-panel__inner {
  width: min(400px, 100%);
  margin: 0 auto;
  animation: ua-rise 0.75s ease 0.08s both;
}

.ua-header {
  margin-bottom: 1.5rem;
}

.ua-eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ua-accent);
}

.ua-header h1 {
  margin: 0;
  font-family: var(--ua-display);
  font-size: 1.85rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ua-ink);
}

.ua-header > p {
  margin: 0.45rem 0 0;
  color: var(--ua-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.ua-alert {
  margin-bottom: 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: #fef2f2;
  color: var(--ua-danger);
  font-size: 0.88rem;
  border: 1px solid rgba(220, 38, 38, 0.15);
}

.ua-alert--info {
  background: #f0f9ff;
  color: var(--ua-info);
  border-color: rgba(3, 105, 161, 0.18);
}

.ua-social {
  display: grid;
  gap: 0.55rem;
}

.ua-social__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--ua-line);
  background: var(--ua-soft);
  color: var(--ua-ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.ua-social__btn:hover {
  border-color: rgba(59, 130, 246, 0.35);
  background: #fff;
  transform: translateY(-1px);
}

.ua-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.15rem 0;
  color: var(--ua-muted);
  font-size: 0.78rem;
}

.ua-divider::before,
.ua-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ua-line);
}

.ua-form {
  display: grid;
  gap: 0.9rem;
}

.ua-field {
  display: grid;
  gap: 0.35rem;
}

.ua-field > span {
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--ua-ink);
}

.ua-field input {
  width: 100%;
  min-height: 46px;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--ua-line);
  border-radius: 10px;
  background: #fff;
  color: var(--ua-ink);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ua-field input:focus {
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.ua-field__password {
  position: relative;
}

.ua-field__password input {
  padding-right: 2.75rem;
}

.ua-field__toggle {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ua-muted);
  cursor: pointer;
}

.ua-field__toggle:hover {
  color: var(--ua-ink);
  background: var(--ua-soft);
}

.ua-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.86rem;
}

.ua-row a {
  color: var(--ua-accent);
  text-decoration: none;
  font-weight: 600;
}

.ua-row a:hover {
  text-decoration: underline;
}

.ua-check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ua-muted);
  cursor: pointer;
}

.ua-check input {
  width: 15px;
  height: 15px;
  accent-color: var(--ua-accent);
}

.ua-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  margin-top: 0.25rem;
  border: 0;
  border-radius: 10px;
  background: var(--ua-accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.ua-submit:hover {
  background: var(--ua-accent-deep);
  transform: translateY(-1px);
}

.ua-switch {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ua-muted);
}

.ua-switch a {
  color: var(--ua-accent);
  font-weight: 700;
  text-decoration: none;
}

.ua-switch a:hover {
  text-decoration: underline;
}

@keyframes ua-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ua-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes ua-grid-drift {
  from { transform: translateY(0); }
  to { transform: translateY(48px); }
}

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

  .ua-brand {
    min-height: auto;
    padding: 1.75rem 1.5rem 1.5rem;
  }

  .ua-brand__mark {
    margin-top: 1.25rem;
    font-size: 1.65rem;
  }

  .ua-brand__stats {
    margin-top: 1.5rem;
  }

  .ua-panel {
    padding: 1.75rem 1.35rem 2rem;
  }
}

@media (max-width: 520px) {
  .ua-brand__stats {
    grid-template-columns: 1fr;
  }

  .ua-page {
    padding: 1rem;
  }

  .ua-shell {
    border-radius: 16px;
  }
}