body.auth { overflow-x: hidden; }

.auth__split { position: relative; min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }

.auth__main { position: relative; z-index: 2; display: flex; flex-direction: column; padding: 28px clamp(20px, 5vw, 56px) 24px; }
.auth__main::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(to right, rgb(255 255 255 / 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(255 255 255 / 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 78%);
}

.auth__card { width: 100%; max-width: 392px; margin: auto; padding: 8px 0; animation: rise 0.8s var(--out) both; }
.auth__card h1 { font: 500 clamp(1.9rem, 4vw, 2.4rem)/1.08 var(--display); letter-spacing: -0.035em; }
.auth__lead { margin-top: 10px; color: var(--dim); font-size: 15px; line-height: 1.55; }

.notice { margin-top: 18px; padding: 11px 13px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); font-size: 13.5px; color: var(--dim); }
.notice--error { border-color: rgb(248 113 113 / 0.4); color: #fca5a5; background: rgb(248 113 113 / 0.07); }
.notice--ok { border-color: rgb(52 211 153 / 0.4); color: #6ee7b7; background: rgb(52 211 153 / 0.07); }

.auth__providers { margin-top: 26px; }
.badge-soon { padding: 2px 7px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--border); font: 500 10px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }

.or { display: flex; align-items: center; gap: 14px; margin: 22px 0; color: var(--faint); font: 400 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.or::before, .or::after { content: ''; flex: 1; height: 1px; background: var(--border-soft); }

.auth form { display: grid; gap: 16px; }
.pw { position: relative; }
.pw .input { padding-right: 44px; }
.pw__toggle { position: absolute; right: 4px; top: 4px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 7px; color: var(--faint); transition: color 0.2s, background 0.2s; }
.pw__toggle:hover { color: var(--text); background: var(--surface-3); }

.meter { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 2px; }
.meter i { height: 3px; border-radius: 3px; background: var(--surface-3); transition: background 0.3s; }
.meter[data-level='1'] i:nth-child(-n+1) { background: #f87171; }
.meter[data-level='2'] i:nth-child(-n+2) { background: #fb923c; }
.meter[data-level='3'] i:nth-child(-n+3) { background: #facc15; }
.meter[data-level='4'] i { background: var(--ok); }
.meter-text { font-size: 12px; color: var(--faint); min-height: 18px; }

.error { padding: 10px 12px; border: 1px solid rgb(248 113 113 / 0.4); border-radius: 9px; background: rgb(248 113 113 / 0.07); color: #fca5a5; font-size: 13.5px; }
.error[hidden], .notice[hidden] { display: none; }

.auth__switch { margin-top: 22px; text-align: center; color: var(--dim); font-size: 14px; }
.auth__switch a { color: var(--text); font-weight: 500; border-bottom: 1px solid var(--border); transition: border-color 0.2s; }
.auth__switch a:hover { border-color: var(--text); }
.auth__legal { text-align: center; font-size: 12px; color: var(--faint); }

.auth__side { position: relative; overflow: hidden; border-left: 1px solid var(--border-soft); background: #0d0e10; }
.auth__side::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgb(255 255 255 / 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(255 255 255 / 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 42%, #000 15%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 42%, #000 15%, transparent 75%);
}
.auth__side::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 45% 38% at 50% 42%, rgb(255 255 255 / 0.07), transparent 70%); pointer-events: none; }
.auth__wordmark { position: absolute; left: 50%; top: 42%; z-index: 1; transform: translate(-50%, -50%); font: 700 clamp(3.2rem, 7vw, 6rem)/1 var(--display); letter-spacing: -0.045em; color: var(--text); user-select: none; }

.auth__tag { position: absolute; left: clamp(24px, 4vw, 56px); bottom: clamp(24px, 5vw, 56px); z-index: 3; max-width: 420px; }
.auth__tag h2 { font: 500 clamp(1.6rem, 2.6vw, 2.3rem)/1.1 var(--display); letter-spacing: -0.03em; }
.auth__tag p { margin-top: 10px; color: var(--dim); font-size: 14.5px; line-height: 1.55; }
.auth__stats { display: flex; gap: 22px; margin-top: 18px; }
.auth__stats li { display: flex; align-items: baseline; gap: 7px; }
.auth__stats b { font: 500 20px/1 var(--display); letter-spacing: -0.02em; }
.auth__stats span { font: 400 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }

@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

@media (max-width: 960px) {
  .auth__split { grid-template-columns: 1fr; }
  .auth__side { display: none; }
}

.hint-legal { text-align: center; font-size: 12.5px; line-height: 1.55; color: var(--faint); }
.hint-legal a { color: var(--dim); border-bottom: 1px solid var(--border); }
.hint-legal a:hover { color: var(--text); }

.label-row { display: flex; justify-content: space-between; align-items: baseline; }
.label-row label { font-size: 13px; font-weight: 500; color: var(--dim); }
.forgot { font-size: 12.5px; color: var(--faint); transition: color 0.2s; }
.forgot:hover { color: var(--text); }
.auth form.form--spaced { margin-top: 26px; }