:root {
  --auth-card: color-mix(in srgb, var(--bg-card-2) 72%, transparent);
  --auth-card-edge: color-mix(in srgb, var(--purple-glow) 22%, transparent);
  --auth-well-edge: color-mix(in srgb, var(--purple-glow) 20%, transparent);
  --auth-well-edge-focus: color-mix(in srgb, var(--purple-bright) 85%, transparent);
  --auth-accent-edge: color-mix(in srgb, var(--purple-bright) 34%, transparent);
}

body:has(.auth-wrap) { background: var(--auth-bg); }
#app:has(.auth-wrap) { padding-top: 0; padding-bottom: 0; }

.auth-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: var(--screen-h);
  padding: 0 var(--pad) 40px;
  padding-top: calc(clamp(72px, 17vh, 168px) + env(safe-area-inset-top));
}


.auth-mark { text-align: center; margin-bottom: 44px; }

.auth-brand {
  font-family: var(--font-serif);
  font-size: 46px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.005em;
  color: var(--auth-text);
}
.auth-brand span { color: var(--purple-bright); }

.auth-tagline {
  margin: 14px auto 0;
  color: var(--text-mid);
  font-size: 14px;
  letter-spacing: 0.01em;
}


.auth-card {
  position: relative;
  width: 100%;
  padding: 22px 20px 22px;
  background: linear-gradient(var(--auth-card), var(--auth-card)), var(--surface-base, transparent);
  border: 1px solid var(--auth-card-edge);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--white) 5.5%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--white) 1.2%, transparent),
    0 1px 2px color-mix(in srgb, var(--black) 40%, transparent),
    0 22px 44px -18px color-mix(in srgb, var(--black) 75%, transparent);
}
.auth-card.center { text-align: center; }
.auth-card.center h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  color: var(--auth-text);
  margin: 14px 0 8px;
}


.auth-seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  margin-bottom: 22px;
  background: var(--auth-well);
  border: 1px solid color-mix(in srgb, var(--purple-glow) 16%, transparent);
  border-radius: 12px;
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--black) 55%, transparent);
}
.auth-seg .seg-btn {
  height: 36px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-low);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.auth-seg .seg-btn.is-on {
  background: var(--auth-seg-on);
  color: var(--auth-text);
  border-color: color-mix(in srgb, var(--purple-glow) 26%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--white) 7%, transparent),
    0 1px 2px color-mix(in srgb, var(--black) 50%, transparent);
}


.auth-field {
  position: relative;
  display: block;
  margin-bottom: 12px;
}
.auth-field > svg {
  position: absolute;
  inset-inline-start: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-low);
  pointer-events: none;
  transition: color var(--dur) var(--ease);
}
.auth-field input {
  height: 50px;
  padding-inline: 46px 14px;
  background: var(--auth-well);
  border: 1px solid var(--auth-well-edge);
  border-radius: 12px;
  color: var(--auth-text);
  box-shadow:
    inset 0 2px 3px color-mix(in srgb, var(--black) 55%, transparent),
    0 1px 0 color-mix(in srgb, var(--white) 3%, transparent);
}
.auth-field input::placeholder { color: var(--text-faint); }
.auth-field input:focus {
  border-color: var(--auth-well-edge-focus);
  box-shadow:
    inset 0 0 0 1px var(--auth-well-edge-focus),
    inset 0 2px 3px color-mix(in srgb, var(--black) 55%, transparent),
    0 1px 0 color-mix(in srgb, var(--white) 3%, transparent);
}
.auth-field:focus-within > svg { color: var(--purple-pale); }

.auth-field:has(.auth-reveal) input { padding-inline-end: 48px; }

.auth-reveal {
  position: absolute;
  inset-inline-end: 5px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 9px;
  color: var(--text-low);
  transition: color var(--dur) var(--ease);
}
.auth-reveal[aria-pressed="true"] { color: var(--purple-pale); }
@media (hover: hover) and (pointer: fine) { .auth-reveal:hover { color: var(--purple-pale); } }
.auth-reveal:focus-visible { outline: 1px solid var(--auth-well-edge-focus); outline-offset: -2px; }

.auth-card .form-error { margin: 4px 0 12px; }


.auth-submit {
  display: block;
  width: 77%;
  height: 52px;
  margin-top: 18px;
  margin-inline: auto;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--auth-text-hi);
  background: linear-gradient(180deg, var(--auth-accent), var(--auth-accent-deep));
  border: 1px solid var(--auth-accent-edge);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--white) 16%, transparent),
    inset 0 -1px 0 color-mix(in srgb, var(--black) 25%, transparent),
    0 2px 0 var(--auth-edge-dark),
    0 10px 20px -10px color-mix(in srgb, var(--black) 80%, transparent);
  transition: transform 120ms var(--ease), box-shadow 120ms var(--ease), opacity var(--dur) var(--ease);
}
@media (hover: hover) and (pointer: fine) { .auth-submit:hover { background: linear-gradient(180deg, var(--auth-accent-hi), var(--auth-accent)); } }
.auth-submit:active {
  transform: translateY(2px);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--white) 10%, transparent),
    inset 0 -1px 0 color-mix(in srgb, var(--black) 25%, transparent),
    0 0 0 var(--auth-edge-dark),
    0 4px 10px -6px color-mix(in srgb, var(--black) 80%, transparent);
}
.auth-submit:focus-visible { outline: 2px solid var(--purple-pale); outline-offset: 3px; }
.auth-submit:disabled { opacity: 0.55; }


.envelope { color: var(--purple-bright); }
.pill-email {
  display: inline-block;
  background: var(--auth-well);
  border: 1px solid var(--auth-well-edge);
  border-radius: 99px;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--purple-pale);
  margin: 6px 0 18px;
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--black) 50%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .auth-submit, .auth-seg .seg-btn, .auth-field > svg, .auth-reveal { transition: none; }
  .auth-submit:active { transform: none; }
}

.auth-lang {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 14px);
  inset-inline-end: var(--pad);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px 3px 3px 9px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--auth-well) 70%, transparent);
  color: var(--text-low);
}
[dir="rtl"] .auth-lang { padding: 3px 9px 3px 3px; }
.auth-lang svg { flex: 0 0 auto; margin-inline-end: 4px; }
.auth-lang-btn {
  min-width: 34px;
  height: 28px;
  padding: 0 8px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-low);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
@media (hover: hover) and (pointer: fine) { .auth-lang-btn:hover { color: var(--auth-text); } }
.auth-lang-btn.is-on { background: var(--auth-seg-on); color: var(--auth-text-hi); }
.auth-lang-btn:focus-visible { outline: 2px solid var(--purple-bright); outline-offset: 1px; }
@media (prefers-reduced-motion: reduce) { .auth-lang-btn { transition: none; } }


.auth-forgot { margin: -4px 0 8px; text-align: end; font-size: 13px; }
.auth-card .form-ok { margin: 4px 0 12px; font-size: 13.5px; color: var(--purple-pale); }
.auth-card-title { margin: 0 0 6px; font-size: 18px; }
.auth-card-intro { margin: 0 0 16px; font-size: 13.5px; line-height: 1.5; }
.auth-card-note { font-size: 12.5px; }

.auth-card .btn-block { width: 61.6%; }

.legal-wrap { padding-top: calc(56px + env(safe-area-inset-top)); align-items: center; }
.legal-wrap .auth-mark { margin-bottom: 24px; }
.legal-inline { margin: 2px 0 12px; }
.auth-decline { display: block; min-height: 40px; margin: 6px auto 0; color: var(--text-low); font-size: 13px; }
@media (hover: hover) and (pointer: fine) { .auth-decline:hover { color: var(--auth-text); } }
.legal-agreement, .legal-card { max-width: 680px; }
.legal-agreement h2, .legal-card h1 { color: var(--auth-text); font: 500 25px var(--font-serif); margin: 0 0 20px; }
.legal-check { display: flex; align-items: flex-start; gap: 12px; padding: 14px 0; line-height: 1.5; color: var(--auth-text); }
.legal-check + .legal-check { border-top: 1px solid var(--auth-card-edge); }
.legal-check input { width: 20px; height: 20px; flex: 0 0 20px; margin: 2px 0 0; accent-color: var(--purple-bright); }
.legal-check a { color: var(--purple-pale); text-decoration: underline; text-underline-offset: 3px; }
.legal-card { line-height: 1.6; color: var(--text-mid); margin-bottom: 40px; }
.legal-card section { margin: 24px 0; }
.legal-card h2 { font-size: 17px; color: var(--auth-text); margin-bottom: 6px; }
.legal-card p { margin: 0; }
.legal-draft { padding: 12px; border: 1px solid var(--auth-card-edge); border-radius: 10px; }
.legal-back { color: var(--purple-pale); margin-bottom: 20px; min-height: 40px; }
.legal-back::before { content: '←'; margin-inline-end: 8px; }
[dir="rtl"] .legal-back::before { content: '→'; }