* { box-sizing: border-box; }

.auth-body {
  margin: 0;
  min-height: 100dvh;
  color: var(--color-text);
  background: var(--color-background-variant);
  font-family: var(--font-sans);
}

.auth-shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--color-border-medium);
  border-radius: 18px;
  background: var(--color-background);
  box-shadow: var(--shadow-modal);
}

.auth-card--accounts { width: min(100%, 520px); }

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block-end: 28px;
  font-size: 18px;
  font-weight: 700;
}

.auth-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px 6px 10px 6px;
  background: var(--color-primary);
}

.auth-card h1 { margin: 0; font-size: 28px; }
.auth-subtitle { margin: 8px 0 24px; color: var(--color-text-weak); line-height: 1.45; }

.auth-form { display: grid; gap: 18px; }
.auth-form label { display: grid; gap: 7px; font-size: 14px; font-weight: 650; }
.auth-form input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--color-border-hard);
  border-radius: 9px;
  background: var(--color-background);
  color: inherit;
  font: inherit;
}
.auth-form input:focus { outline: 3px solid var(--color-primary-soft); border-color: var(--color-primary); }
.auth-form button,
.auth-account {
  min-height: 46px;
  border: 0;
  border-radius: 9px;
  font: inherit;
  cursor: pointer;
}
.auth-form button { color: var(--color-text-inverse); background: var(--color-primary); font-weight: 700; }

.auth-error { margin-block-end: 18px; padding: 11px 12px; border-radius: 8px; color: var(--color-danger); background: var(--color-danger-soft); }
.auth-accounts { display: grid; gap: 10px; }
.auth-account {
  width: 100%;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: start;
  color: inherit;
  background: var(--color-background-variant);
  border: 1px solid transparent;
}
.auth-account:hover,
.auth-account:focus-visible,
.auth-account.is-active { border-color: var(--color-primary); }
.auth-account-name { font-weight: 700; }
.auth-account-role { color: var(--color-text-weak); font-size: 13px; }
.auth-back { display: inline-block; margin-block-start: 22px; color: var(--color-primary); }
.auth-logout-form { margin-block-start: 18px; padding-block-start: 18px; border-block-start: 1px solid var(--color-border-medium); }
.auth-logout { padding: 0; border: 0; color: var(--color-danger); background: transparent; font: inherit; cursor: pointer; }

@media (max-width: 520px) {
  .auth-shell { padding: 0; place-items: stretch; }
  .auth-card { width: 100%; min-height: 100dvh; border: 0; border-radius: 0; padding: max(28px, env(safe-area-inset-top)) 22px max(28px, env(safe-area-inset-bottom)); }
}

/* Login: brand hero + sign-in panel */
.auth-split {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

.auth-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 56px clamp(32px, 6vw, 88px);
  color: var(--color-text-inverse);
  background: var(--auth-hero-bg);
}
.auth-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--auth-hero-dot) 1px, transparent 1.5px);
  background-size: 24px 24px;
  pointer-events: none;
}
.auth-hero-glow {
  position: absolute;
  top: -20%;
  left: -12%;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--auth-hero-glow);
  filter: blur(60px);
  pointer-events: none;
}
.auth-hero-inner { position: relative; max-width: 460px; }
.auth-hero-logo {
  display: block;
  width: 112px;
  height: auto;
  filter: drop-shadow(var(--auth-logo-shadow));
  animation: auth-float 6s ease-in-out infinite;
}
.auth-hero-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin: 28px 0 18px;
}
.auth-hero-name { font-size: 24px; font-weight: 750; letter-spacing: -0.01em; }
.auth-hero-sep { color: var(--auth-hero-ink-weak); font-weight: 300; }
.auth-hero-powered {
  color: var(--auth-hero-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.auth-hero-title {
  margin: 0;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.auth-hero-points {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: var(--auth-hero-ink-weak);
}
.auth-hero-points li { display: flex; gap: 12px; align-items: flex-start; line-height: 1.45; }
.auth-hero-points li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-block-start: 7px;
  border-radius: 50%;
  background: var(--auth-hero-accent);
  box-shadow: 0 0 0 4px var(--auth-hero-accent-soft);
}

.auth-panel { display: grid; place-items: center; padding: 40px 24px; background: var(--auth-panel-bg); }
.auth-card--login { padding: 40px 36px; animation: auth-rise 0.5s ease-out both; }
.auth-card--login .auth-form input { transition: border-color 0.15s; }
.auth-card--login .auth-form button {
  margin-block-start: 4px;
  transition: background-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.auth-card--login .auth-form button:hover { background: var(--color-primary-strong); box-shadow: var(--shadow-card-hover); }
.auth-card--login .auth-form button:active { transform: translateY(1px); }
.auth-footnote { margin: 24px 0 0; color: var(--color-text-hint); font-size: 12.5px; text-align: center; }

@keyframes auth-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes auth-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .auth-hero-logo, .auth-card--login { animation: none; }
}

@media (max-width: 860px) {
  .auth-split { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .auth-hero { justify-content: center; padding: max(32px, env(safe-area-inset-top)) 24px 36px; text-align: center; }
  .auth-hero-inner { display: grid; justify-items: center; }
  .auth-hero-logo { width: 72px; }
  .auth-hero-brand { justify-content: center; margin: 16px 0 10px; }
  .auth-hero-title { font-size: 24px; }
  .auth-hero-points { display: none; }
}
@media (max-width: 520px) {
  .auth-hero { padding: max(24px, env(safe-area-inset-top)) 20px 44px; }
  .auth-hero-logo { width: 56px; }
  .auth-hero-brand { flex-direction: column; align-items: center; gap: 4px; margin: 12px 0 0; }
  .auth-hero-name { font-size: 22px; }
  .auth-hero-sep, .auth-hero-title { display: none; }
  .auth-hero-powered { font-size: 11.5px; }
  .auth-panel { position: relative; place-items: stretch; padding: 0; background: none; }
  /* sheet overlaps the hero's lower edge */
  .auth-card--login {
    width: 100%;
    min-height: 0;
    margin-block-start: -20px;
    padding: 28px 20px max(28px, env(safe-area-inset-bottom));
    border: 0;
    border-radius: 20px 20px 0 0;
    box-shadow: none;
  }
  .auth-card--login h1 { font-size: 24px; }
  .auth-card--login .auth-subtitle { margin-block-end: 20px; }
  /* 16px avoids iOS focus zoom */
  .auth-card--login .auth-form input { font-size: 16px; }
}