/* Sign-in screens: form plane on the left, the model assembling on the table to the right. */

.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(380px, 520px) minmax(0, 1fr); }
.auth-panel { display: flex; flex-direction: column; padding: 36px 56px 28px; background: var(--plane); border-right: 1px solid var(--line); position: relative; z-index: 2; box-shadow: var(--shadow-2); }
.auth-logo { align-self: flex-start; }
.auth-logo img { height: 40px; width: auto; }
.auth-logo .logo-dark { display: none; }
.dark .auth-logo .logo-light { display: none; }
.dark .auth-logo .logo-dark { display: block; }
.auth-view { margin: auto 0; padding: 40px 0; display: grid; gap: 22px; width: 100%; max-width: 380px; }
.auth-view h1 { font-size: 30px; letter-spacing: -.03em; line-height: 1.1; }
.auth-view .lede { color: var(--muted); margin-top: 8px; }
.auth-view form { display: grid; gap: 16px; }
.auth-view .input { height: 42px; }
.auth-view .btn.primary { height: 42px; font-size: 14px; }
.auth-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13.5px; }
.auth-foot { color: var(--faint); font-size: 12.5px; max-width: 380px; }
.auth-foot a { color: var(--muted); }

.pw { position: relative; }
.pw .input { padding-right: 64px; }
.pw button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--muted); font-size: 12.5px; font-weight: 550; padding: 6px 8px; border-radius: 6px; }
.pw button:hover { background: var(--plane-3); color: var(--ink); }
.meter { display: flex; gap: 4px; margin-top: 2px; }
.meter i { flex: 1; height: 4px; border-radius: 2px; background: var(--line); transition: background .3s; }
.meter[data-s="1"] i:nth-child(-n+1) { background: var(--crit); }
.meter[data-s="2"] i:nth-child(-n+2) { background: var(--warn); }
.meter[data-s="3"] i:nth-child(-n+3) { background: var(--accent); }
.meter[data-s="4"] i { background: var(--ok); }

.otp { font: 500 26px var(--mono); letter-spacing: .5em; text-align: center; height: 56px !important; padding-left: .5em !important; }
.qr-box { display: grid; grid-template-columns: 144px minmax(0, 1fr); gap: 16px; align-items: center; padding: 14px; border-radius: 12px; background: var(--plane-2); border: 1px solid var(--line); }
.qr { width: 144px; height: 144px; background: #fff; border-radius: 8px; padding: 10px; display: grid; place-items: center; }
.qr svg, .qr img { width: 100%; height: 100%; }
.secret { font: 500 12.5px/1.6 var(--mono); word-break: break-all; color: var(--ink-2); }
.steps { display: flex; gap: 6px; align-items: center; font-size: 12.5px; color: var(--muted); }
.steps b { color: var(--ink); font-weight: 600; }
.steps i { width: 24px; height: 3px; border-radius: 2px; background: var(--line-2); }
.steps i.on { background: var(--accent); }
.invite-card { display: flex; gap: 14px; align-items: center; padding: 14px 16px; border-radius: 12px; background: var(--accent-soft); border: 1px solid var(--accent-line); }
.invite-card svg { width: 36px; height: 36px; flex: none; }
.invite-card strong { display: block; }
.invite-card span { color: var(--ink-2); font-size: 13px; }
.demo-box { border: 1px dashed var(--line-2); border-radius: 12px; padding: 14px; display: grid; gap: 10px; }
.demo-box p { font-size: 12.5px; color: var(--muted); }
.demo-box .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-box button { text-align: left; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--plane); font-size: 12.5px; line-height: 1.3; }
.demo-box button:hover { border-color: var(--accent); }
.demo-box button small { display: block; color: var(--muted); }
.demo-code { font: 600 13px var(--mono); color: var(--accent-ink); }

.auth-stage { position: relative; overflow: hidden; background: radial-gradient(90% 80% at 55% 60%, var(--plane-2), var(--ground) 70%); }
.dark .auth-stage { background: radial-gradient(90% 80% at 55% 60%, var(--plane), var(--ground) 72%); }
.auth-model { position: absolute; inset: 0; }
.auth-model canvas { width: 100%; height: 100%; display: block; }
.auth-caption { position: absolute; left: 48px; bottom: 40px; right: 48px; display: grid; gap: 6px; max-width: 440px; }
.auth-caption strong { font-size: 22px; letter-spacing: -.02em; font-weight: 600; }
.auth-caption span { color: var(--muted); }

@media (max-width: 900px) {
	.auth { grid-template-columns: 1fr; }
	.auth-stage { display: none; }
	.auth-panel { padding: 24px 20px; border-right: 0; box-shadow: none; min-height: 100vh; }
	.auth-view { margin: 32px auto auto; }
	.qr-box { grid-template-columns: 1fr; justify-items: center; text-align: center; }
	.demo-box .grid { grid-template-columns: 1fr; }
}