/* Type guardrails: auth pages should feel calm, readable and app-like. */
:root {
  --auth-bg: #05080d;
  --auth-panel: rgba(12, 20, 32, 0.86);
  --auth-panel-strong: rgba(18, 30, 47, 0.94);
  --auth-line: rgba(139, 170, 210, 0.18);
  --auth-text: #f4f7fb;
  --auth-muted: rgba(244, 247, 251, 0.68);
  --auth-faint: rgba(244, 247, 251, 0.48);
  --auth-cyan: #65dfff;
  --auth-mint: #71ead1;
  --auth-purple: #a35cff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  max-width: 100%;
  background: var(--auth-bg);
  touch-action: manipulation;
}

body.auth-page {
  min-height: 100dvh;
  max-width: 100%;
  margin: 0;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
  color: var(--auth-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 400;
  background:
    radial-gradient(circle at 12% 8%, rgba(101, 223, 255, 0.16), transparent 32%),
    radial-gradient(circle at 84% 2%, rgba(163, 92, 255, 0.13), transparent 35%),
    linear-gradient(180deg, #07101d 0%, #05080d 72%, #030509 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.auth-stage {
  width: min(940px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 410px);
  gap: 22px;
  align-items: stretch;
}

.auth-benefits,
.auth-panel {
  border: 1px solid var(--auth-line);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
}

.auth-benefits {
  min-height: 480px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(140deg, rgba(18, 30, 47, 0.9), rgba(7, 13, 22, 0.92)),
    radial-gradient(circle at 92% 12%, rgba(113, 234, 209, 0.15), transparent 36%);
}

.auth-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: var(--auth-text);
  font-size: 30px;
  font-weight: 680;
  letter-spacing: 0;
  line-height: 1;
}

.auth-brand span {
  color: var(--auth-purple);
  text-shadow: 0 0 18px rgba(163, 92, 255, 0.74);
}

.auth-benefits h1 {
  max-width: 520px;
  margin: 28px 0 12px;
  font-size: clamp(31px, 4vw, 46px);
  font-weight: 610;
  line-height: 1.04;
  letter-spacing: 0;
}

.auth-benefits p {
  max-width: 520px;
  margin: 0;
  color: var(--auth-muted);
  font-size: 15px;
  line-height: 1.62;
}

.auth-benefit-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.auth-benefit-list span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(244, 247, 251, 0.82);
  font-size: 13px;
}

.auth-benefit-list i {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 11px;
  color: var(--auth-cyan);
  background: rgba(101, 223, 255, 0.1);
}

.auth-panel {
  padding: 24px;
  background: var(--auth-panel);
}

.auth-panel h3 {
  margin: 0 0 6px;
  font-size: 23px;
  font-weight: 610;
  letter-spacing: 0;
}

.auth-panel .auth-note {
  margin: 0 0 20px;
  color: var(--auth-muted);
  font-size: 13px;
  line-height: 1.5;
}

.auth-panel .alert {
  border: 1px solid rgba(255, 140, 161, 0.2);
  border-radius: 14px;
  color: #ffe1e6;
  background: rgba(255, 82, 108, 0.12);
}

.auth-panel .form-label {
  margin-bottom: 6px;
  color: rgba(244, 247, 251, 0.78);
  font-size: 12px;
  font-weight: 560;
}

.auth-panel .form-control {
  min-height: 46px;
  border: 1px solid rgba(139, 170, 210, 0.2);
  border-radius: 15px;
  color: var(--auth-text);
  background: rgba(3, 7, 12, 0.5);
  box-shadow: none;
}

.auth-panel .form-control:focus {
  border-color: rgba(101, 223, 255, 0.62);
  background: rgba(3, 7, 12, 0.72);
  box-shadow: 0 0 0 4px rgba(101, 223, 255, 0.12);
}

.auth-panel .btn-primary {
  min-height: 46px;
  border: 0;
  border-radius: 15px;
  color: #031018;
  font-weight: 650;
  background: linear-gradient(135deg, var(--auth-cyan), var(--auth-mint));
  box-shadow: 0 16px 36px rgba(101, 223, 255, 0.18);
}

.auth-panel .auth-link {
  color: rgba(244, 247, 251, 0.82);
  font-size: 13px;
  text-decoration: none;
}

.auth-panel .auth-link:hover,
.auth-panel .auth-link:focus-visible {
  color: var(--auth-cyan);
}

.auth-footer-link {
  margin-top: 16px;
  text-align: center;
}

@media (max-width: 760px) {
  body.auth-page {
    display: block;
    padding: max(14px, env(safe-area-inset-top)) 14px max(14px, env(safe-area-inset-bottom));
  }

  .auth-stage {
    min-height: calc(100dvh - 28px);
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .auth-benefits {
    min-height: 0;
    padding: 20px;
    border-radius: 22px;
  }

  .auth-benefits h1 {
    margin-top: 22px;
    font-size: 29px;
  }

  .auth-benefit-list {
    display: none;
  }

  .auth-panel {
    padding: 18px;
    border-radius: 22px;
  }
}