/* finesse · product auth route · clear hierarchy, calm motion, resilient small-screen form */
*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; background: var(--color-void); }
body { min-height: 100dvh; margin: 0; background: var(--color-void); color: var(--color-ink); font-family: var(--font-body); line-height: 1.55; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

.auth-page { min-height: 100dvh; display: grid; grid-template-columns: minmax(280px, .8fr) minmax(460px, 1.2fr); }
.auth-story { position: relative; min-width: 0; padding: clamp(34px, 5vw, 72px); overflow: hidden; display: flex; flex-direction: column; background: var(--color-signal); color: var(--color-on-signal); }
.auth-story::before { content: ""; position: absolute; width: 460px; height: 460px; right: -210px; bottom: -170px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; box-shadow: 0 0 0 68px rgba(255,255,255,.045), 0 0 0 136px rgba(255,255,255,.035); }
.auth-brand { position: relative; z-index: 1; width: fit-content; min-height: 44px; display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-family: var(--font-display); font-weight: 680; }
.auth-brand svg { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.auth-story-copy { position: relative; z-index: 1; margin-block: auto; max-width: 580px; padding-block: 72px; }
.auth-eyebrow { margin: 0 0 22px; font: 700 11px var(--font-mono); letter-spacing: .13em; }
.auth-story h1 { margin: 0; font: 680 clamp(48px, 6vw, 86px)/.96 var(--font-display); letter-spacing: -.055em; overflow-wrap: anywhere; }
.auth-story-copy > p:last-child { max-width: 500px; margin: 28px 0 0; color: rgba(244,251,248,.8); font-size: 16px; }
.auth-story footer { position: relative; z-index: 1; color: rgba(244,251,248,.92); font-size: 11px; }

.auth-workspace { min-width: 0; padding: clamp(28px, 5vw, 74px); display: grid; place-items: center; background: var(--color-paper); }
.auth-card { width: min(520px, 100%); padding: clamp(26px, 4vw, 46px); border: 1px solid var(--color-line-paper); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 28px 76px rgba(16,36,55,.1); }
.auth-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 34px; }
.auth-topline a { min-height: 44px; display: inline-flex; align-items: center; color: var(--color-paper-muted); font-size: 12px; text-decoration: none; }
.auth-language { min-width: 44px; justify-content: center; }
.auth-card h2 { margin: 0; font: 680 clamp(32px, 4vw, 46px)/1 var(--font-display); letter-spacing: -.045em; }
.auth-intro { margin: 12px 0 28px; color: var(--color-paper-muted); font-size: 13px; }

.auth-social { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.auth-social a { min-height: 50px; padding: 0 14px; display: inline-flex; justify-content: center; align-items: center; gap: 9px; border: 1px solid var(--color-line-paper); border-radius: var(--radius-sm); color: var(--color-paper-ink); font-weight: 650; text-decoration: none; transition: border-color .25s var(--ease-out), transform .25s var(--ease-out); }
.auth-social a[aria-disabled="true"] { color: var(--color-paper-muted); background: var(--color-paper); cursor: not-allowed; opacity: .72; }
.auth-social svg { width: 18px; height: 18px; fill: currentColor; }
.auth-divider { margin: 26px 0; display: flex; align-items: center; gap: 14px; color: var(--color-paper-muted); font-size: 11px; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: var(--color-line-paper); }
.auth-tabs { margin-bottom: 24px; display: grid; grid-template-columns: 1fr 1fr; padding: 4px; background: var(--color-paper); border-radius: var(--radius-sm); }
.auth-tabs button { min-height: 42px; border: 0; border-radius: 6px; background: transparent; color: var(--color-paper-muted); cursor: pointer; }
.auth-tabs button[aria-selected="true"] { background: #fff; color: var(--color-paper-ink); box-shadow: 0 7px 22px rgba(16,36,55,.08); font-weight: 680; }
.auth-form { display: grid; gap: 16px; }
.auth-form[hidden] { display: none; }
.auth-field { display: grid; gap: 7px; }
.auth-field span { color: var(--color-paper-muted); font-size: 12px; }
.auth-field span small { margin-inline-start: 6px; color: var(--color-signal); font-size: 10px; font-weight: 600; }
.auth-field input { width: 100%; min-height: 50px; padding: 0 14px; border: 1px solid var(--color-line-paper); border-radius: var(--radius-sm); background: #fff; color: var(--color-paper-ink); outline: 0; }
.auth-field input:focus { border-color: var(--color-signal); box-shadow: 0 0 0 3px var(--color-signal-soft); }
.auth-field input[aria-invalid="true"] { border-color: var(--color-danger); }
.auth-hint { margin: -8px 0 0; color: var(--color-paper-muted); font-size: 11px; }
.auth-submit { min-height: 52px; margin-top: 4px; border: 0; border-radius: var(--radius-pill); background: var(--color-signal); color: var(--color-on-signal); font-weight: 700; cursor: pointer; transition: background .25s var(--ease-out), transform .25s var(--ease-out); }
.auth-submit:disabled { opacity: .62; cursor: progress; }
.auth-status { min-height: 24px; margin: 16px 0 0; color: var(--color-paper-muted); font-size: 12px; }
.auth-status.is-error { color: var(--color-danger); }
.account-view { text-align: left; }
.account-view[hidden], .auth-guest[hidden] { display: none; }
.account-badge { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 50%; background: var(--color-signal-soft); color: var(--color-signal); font: 700 20px var(--font-display); }
.account-meta { margin: 26px 0; padding-block: 18px; border-block: 1px solid var(--color-line-paper); }
.account-meta dt { color: var(--color-paper-muted); font-size: 10px; }
.account-meta dd { margin: 4px 0 15px; overflow-wrap: anywhere; }
.account-meta dd:last-child { margin-bottom: 0; }
.auth-secondary { min-height: 48px; padding: 0 18px; border: 1px solid var(--color-line-paper); border-radius: var(--radius-pill); background: transparent; color: var(--color-paper-ink); cursor: pointer; }
.auth-referral-link { display: inline-flex; min-height: 44px; align-items: center; margin: -8px 0 20px; color: var(--color-signal); font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }

@media (hover:hover) and (pointer:fine) {
  .auth-social a:not([aria-disabled="true"]):hover { border-color: var(--color-signal); transform: translateY(-2px); }
  .auth-submit:hover { background: var(--color-signal-hover); transform: translateY(-2px); }
  .auth-topline a:hover { color: var(--color-signal); }
}
@media (max-width: 900px) { .auth-page { grid-template-columns: 1fr; } .auth-story { min-height: 310px; } .auth-story-copy { padding-block: 56px 40px; } .auth-story h1 { font-size: clamp(44px, 10vw, 68px); } }
@media (max-width: 520px) { .auth-story { min-height: 270px; padding: 24px 20px; } .auth-story-copy { padding-block: 34px 22px; } .auth-story-copy > p:last-child { display: none; } .auth-workspace { padding: 24px 16px 48px; align-items: start; } .auth-card { padding: 24px 20px; } .auth-social { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; animation-duration:.01ms!important; transition-duration:.01ms!important; } }