/* Log in / Register — split layout: night-line photo frame + form card.
 * Built from .frame, .corners, .panel, .stop, .form and pills. */

.auth { padding-block: clamp(28px, 4vw, 56px) clamp(56px, 7vw, 96px); background: radial-gradient(60% 50% at 80% 0%, color-mix(in oklch, var(--color-brand) 7%, transparent), transparent 70%); }
.auth__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: stretch; }
.auth--reg .auth__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }

/* photo side */
.auth__aside { min-width: 0; display: flex; }
.auth__aside > .frame, .auth__sticky { flex: 1; }
.auth__sticky { position: sticky; top: calc(var(--hdr-h) + 24px); align-self: start; }
.auth--reg .auth__aside { align-self: stretch; display: block; }
.auth__frame { min-height: 620px; height: 100%; }
.auth__frame--reg { min-height: 0; height: calc(100vh - var(--hdr-h) - 56px); max-height: 760px; min-height: 560px; }
.auth__frame .frame__shade { background: linear-gradient(0deg, rgb(16 24 39 / .96) 0%, rgb(16 24 39 / .7) 42%, rgb(16 24 39 / .15) 75%, rgb(16 24 39 / .4)); }
.auth__frame .frame__cap strong { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); }
.auth__perks { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 10px; font-size: .9rem; color: var(--color-text-2); }
.auth__perks li { display: flex; align-items: center; gap: 10px; }
.auth__perks .icon { color: var(--color-brand); }
.auth__next { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 14px; position: relative; }
.auth__next::before { content: ""; position: absolute; left: 13px; top: 14px; bottom: 14px; width: 1px; background: repeating-linear-gradient(180deg, var(--hair-gold) 0 5px, transparent 5px 10px); }
.auth__next li { position: relative; display: flex; gap: 14px; align-items: flex-start; }
.auth__next b { display: block; font: 700 .98rem/1.3 var(--font-head); color: var(--color-text); }
.auth__next small { display: block; margin-top: 3px; font-size: .82rem; line-height: 1.45; color: var(--color-text-2); }
.auth__num { width: 28px; height: 28px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--color-bg); border: 2px solid var(--color-brand); color: var(--color-brand); font: 800 .78rem/1 var(--font-head); }

/* form side */
.auth__main { min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.auth__card { padding: clamp(22px, 3.4vw, 40px); }
.auth__card::before { content: ""; position: absolute; left: 28px; right: 28px; top: 0; height: 2px; background: linear-gradient(90deg, var(--color-brand), transparent); border-radius: 2px; }
.auth__title { margin-top: 16px; font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.4rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.08; }
.auth__title em { font-style: normal; color: var(--color-brand); }
.auth__lead { margin-top: 10px; color: var(--color-text-2); font-size: .95rem; }
.auth__form { margin-top: 24px; }
.auth__alt { margin-top: 20px; font-size: .92rem; color: var(--color-text-2); text-align: center; }
.auth__alt .link { display: inline-flex; align-items: center; min-height: 44px; }
.auth__foot { display: flex; gap: 8px; align-items: flex-start; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--hair-2); font-size: .8rem; color: var(--color-text-3); }
.auth__foot .icon { color: var(--color-accent); margin-top: 2px; }
.auth__done { display: grid; gap: 14px; margin-top: 24px; }
.field__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.auth__link { min-height: 32px; font: 600 .82rem/1 var(--font-body); color: var(--color-brand); text-decoration: underline; text-underline-offset: 3px; }
.auth__link:hover { color: var(--color-brand-hover); }
.auth__back { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; margin: -8px 0 6px; font: 600 .85rem/1 var(--font-body); color: var(--color-text-2); }
.auth__back:hover { color: var(--color-brand); }
.form__note .link { white-space: nowrap; }

/* password field with eye */
.pw { position: relative; }
.field .pw input { padding-right: 52px; }
.pw__eye { position: absolute; right: 3px; top: 3px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: var(--color-text-3); }
.pw__eye:hover { color: var(--color-brand); }

/* strength meter */
.meter { display: flex; align-items: center; gap: 12px; --p: .12; --mc: var(--color-error); }
.meter[data-level="2"] { --mc: var(--color-brand); }
.meter[data-level="3"], .meter[data-level="4"] { --mc: var(--color-accent); }
.meter__bar { position: relative; flex: 1; height: 6px; border-radius: 6px; background: var(--surface-0); box-shadow: 0 0 0 1px var(--hair) inset; overflow: hidden; }
.meter__bar i { position: absolute; inset: 0; transform-origin: left; transform: scaleX(var(--p)); background: var(--mc); border-radius: 6px; transition: transform .35s var(--ease), background var(--dur); }
.meter__label { flex: none; font: 600 .76rem/1 var(--font-body); color: var(--color-text-2); }

/* route indicator: Account → Personal → Address */
.steps { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); position: relative; }
.steps::before { content: ""; position: absolute; left: calc(100% / 6); right: calc(100% / 6); top: 21px; height: 2px; background: var(--hair-2); border-radius: 2px; }
.steps__i a { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; min-height: 44px; padding-top: 14px; font: 700 .72rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-3); transition: color var(--dur); }
.steps__i b { width: 16px; height: 16px; border-radius: 50%; background: var(--color-bg); border: 2px solid var(--hair-2); transition: all .3s var(--ease-spring); }
.steps__i.is-current a { color: var(--color-text); }
.steps__i.is-current b { border-color: var(--color-brand); transform: scale(1.25); box-shadow: 0 0 0 5px var(--tint-gold); }
.steps__i.is-done a { color: var(--color-brand); }
.steps__i.is-done b { background: var(--color-brand); border-color: var(--color-brand); }
.steps__i a:hover { color: var(--color-text); }

/* field groups */
.grp { border: 0; margin: 0; padding: 22px 0 0; display: grid; gap: 16px; min-width: 0; scroll-margin-top: calc(var(--hdr-h) + 20px); border-top: 1px dashed var(--hair-2); }
.grp:first-child { border-top: 0; padding-top: 0; }
.grp__title { display: flex; align-items: center; gap: 10px; padding: 0; margin-bottom: 14px; font: 800 1.05rem/1 var(--font-head); letter-spacing: -.01em; }
.grp__title span { font: 700 .7rem/1 var(--font-body); letter-spacing: .14em; color: var(--color-brand); padding: 5px 8px; border-radius: var(--r-pill); background: var(--tint-gold); }

@media (max-width: 1040px) {
  .auth__grid, .auth--reg .auth__grid { grid-template-columns: minmax(0, 1fr); }
  .auth__aside { order: 2; }
  .auth__sticky { position: static; }
  .auth__frame, .auth__frame--reg { min-height: 0; height: auto; aspect-ratio: 16 / 10; max-height: none; }
}
@media (max-width: 760px) {
  .auth { padding-top: 16px; }
  .auth__frame, .auth__frame--reg { aspect-ratio: auto; min-height: 420px; }
  .auth__frame .frame__cap p { display: block; }
  .auth__card { padding: 22px 18px; }
  .steps__i a { letter-spacing: .08em; font-size: .68rem; }
  .auth__card .stop .muted { display: none; }
  .auth__frame--reg { min-height: 480px; }
}