:root { --at-font-display: "Cormorant Garamond", Georgia, serif; --at-font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif; --at-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace; --at-app-glyph: oklch(0.82 0.13 85); --at-bg-0: #0a0d18; } .signin-stage *, .signin-stage *::before, .signin-stage *::after { box-sizing: border-box; } .signin-stage { position: fixed; inset: 0; isolation: isolate; min-height: 100vh; width: 100vw; display: flex; flex-direction: column; overflow: hidden; color: oklch(0.95 0.008 90); font-family: var(--at-font-sans); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; background: radial-gradient(ellipse 50% 40% at 50% 35%, oklch(0.32 0.10 220 / 0.85), transparent 70%), radial-gradient(ellipse 80% 60% at 50% 110%, oklch(0.10 0.06 240), transparent 70%), linear-gradient(180deg, oklch(0.10 0.05 240) 0%, oklch(0.08 0.04 240) 100%); } .signin-stage::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse 50% 40% at 30% 25%, oklch(0.58 0.11 215 / 0.45), transparent 70%), radial-gradient(ellipse 45% 35% at 75% 80%, oklch(0.72 0.13 70 / 0.30), transparent 70%); animation: signin-glow-drift 14s ease-in-out infinite alternate; } .signin-stage::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0.4; background-image: repeating-linear-gradient(45deg, transparent 0 22px, oklch(1 0 0 / 0.04) 22px 23px); mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 30%, transparent 95%); } @keyframes signin-glow-drift { 0% { transform: translate3d(-2%, -1%, 0) scale(1); } 100% { transform: translate3d(3%, 2%, 0) scale(1.06); } } @media (prefers-reduced-motion: reduce) { .signin-stage::before, .signin-starfield circle { animation: none !important; } } .signin-vignette { position: absolute; inset: 0; pointer-events: none; z-index: 1; background: radial-gradient(ellipse 80% 100% at 50% 50%, transparent 40%, oklch(0 0 0 / 0.5) 100%); } .signin-starfield { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; } .signin-starfield circle { animation: signin-twinkle 4s ease-in-out infinite alternate; } .signin-starfield circle:nth-child(3n) { animation-duration: 5.5s; animation-delay: -1s; } .signin-starfield circle:nth-child(5n+2) { animation-duration: 3.2s; animation-delay: -2s; } .signin-starfield circle:nth-child(7n+1) { animation-duration: 6.8s; animation-delay: -3s; } @keyframes signin-twinkle { 0%, 100% { opacity: 0.85; } 50% { opacity: 0.25; } } .signin-topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 56px; border-bottom: 1px solid oklch(1 0 0 / 0.1); position: relative; z-index: 2; } .signin-mark { display: inline-flex; align-items: center; gap: 12px; user-select: none; } .signin-mark__glyph { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 30% 25%, oklch(0.30 0.08 230) 0%, oklch(0.18 0.06 240) 70%); border: 1px solid color-mix(in oklch, var(--at-app-glyph) 65%, transparent); box-shadow: 0 0 0 1px oklch(0 0 0 / 0.3), 0 0 12px color-mix(in oklch, var(--at-app-glyph) 35%, transparent); color: var(--at-app-glyph); } .signin-mark__name { display: flex; flex-direction: column; line-height: 1; } .signin-mark__title { font-weight: 700; font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: oklch(0.95 0.01 220); } .signin-mark__sub { margin-top: 4px; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: oklch(0.62 0.05 220); } .signin-status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--at-font-mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: oklch(0.75 0.10 160); } .signin-status__dot { width: 7px; height: 7px; border-radius: 50%; background: oklch(0.65 0.15 160); box-shadow: 0 0 0 3px oklch(0.65 0.15 160 / 0.25); } .signin-main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 56px 48px; text-align: center; position: relative; z-index: 2; } .signin-compass { display: inline-flex; align-items: center; gap: 16px; color: color-mix(in oklch, var(--at-app-glyph) 80%, transparent); user-select: none; } .signin-compass__chev { font-family: var(--at-font-mono); font-size: 13px; opacity: 0.55; } .signin-compass__star { width: 10px; height: 10px; background: currentColor; -webkit-mask: url("data:image/svg+xml;utf8,") center / contain no-repeat; mask: url("data:image/svg+xml;utf8,") center / contain no-repeat; } .signin-eyebrow { margin-top: 16px; font-size: 11px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: oklch(0.72 0.12 215); } .signin-crest-wrap { margin: 28px 0 8px; filter: drop-shadow(0 8px 18px oklch(0.45 0.18 60 / 0.45)); } .signin-crest { width: 110px; height: 110px; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 32% 28%, oklch(0.32 0.10 230) 0%, oklch(0.16 0.06 240) 75%); border: 1.5px solid color-mix(in oklch, var(--at-app-glyph) 75%, transparent); box-shadow: 0 0 0 1px oklch(0 0 0 / 0.4), 0 0 32px color-mix(in oklch, var(--at-app-glyph) 28%, transparent), inset 0 1px 1px oklch(1 0 0 / 0.06); position: relative; } .signin-crest::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; border: 1px solid color-mix(in oklch, var(--at-app-glyph) 25%, transparent); pointer-events: none; } .signin-wordmark { font-family: var(--at-font-display); font-weight: 500; font-size: clamp(64px, 12vw, 132px); line-height: 1; letter-spacing: 0.18em; text-transform: uppercase; margin: 16px 0 0; background: linear-gradient(180deg, oklch(0.92 0.10 85) 0%, oklch(0.72 0.14 75) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: 0 0 40px oklch(0.55 0.15 60 / 0.15); } .signin-rule { display: flex; align-items: center; gap: 14px; margin: 24px 0 18px; width: min(420px, 90%); } .signin-rule span:first-child, .signin-rule span:last-child { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, oklch(0.55 0.10 60 / 0.7), transparent); } .signin-rule__diamond { width: 6px; height: 6px; background: var(--at-app-glyph); transform: rotate(45deg); } .signin-tagline { font-family: var(--at-font-display); font-style: italic; font-size: 20px; color: oklch(0.78 0.06 220); margin: 0 0 16px; } .signin-lede { max-width: 60ch; color: oklch(0.82 0.02 220); font-size: 15px; line-height: 1.65; margin: 0 auto 36px; } .signin-error { margin: 0 auto 24px; max-width: 380px; border: 1px solid oklch(0.55 0.15 30 / 0.55); border-radius: 4px; background: oklch(0.30 0.10 30 / 0.25); color: oklch(0.92 0.04 30); padding: 12px 16px; font-size: 13px; text-align: left; font-family: var(--at-font-sans); } .signin-error strong { color: oklch(0.95 0.05 30); font-weight: 600; } .signin-cta { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 100%; max-width: 380px; } .signin-cta form { width: 100%; } .signin-btn-ms { width: 100%; appearance: none; border: 1px solid oklch(0.95 0.006 90); background: oklch(0.95 0.006 90); color: oklch(0.18 0.02 240); font-family: var(--at-font-sans); font-weight: 600; font-size: 15px; padding: 14px 20px; border-radius: 4px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 12px; text-decoration: none; transition: transform 140ms ease, box-shadow 240ms ease, background-color 140ms ease; } .signin-btn-ms:hover { transform: translateY(-1px); box-shadow: 0 8px 24px oklch(0 0 0 / 0.4); } .signin-btn-ms:active { transform: translateY(0); } .signin-btn-ms:focus-visible { outline: 2px solid var(--at-app-glyph); outline-offset: 3px; } .signin-ms-tile { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 1.5px; width: 18px; height: 18px; flex: 0 0 18px; } .signin-ms-tile span:nth-child(1) { background: #f25022; } .signin-ms-tile span:nth-child(2) { background: #7fba00; } .signin-ms-tile span:nth-child(3) { background: #00a4ef; } .signin-ms-tile span:nth-child(4) { background: #ffb900; } .signin-cta__foot { font-size: 11px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: oklch(0.62 0.05 220); margin-top: 14px; } .signin-devnote { margin: 0 auto; max-width: 380px; font-family: var(--at-font-display); font-style: italic; color: oklch(0.78 0.06 220); font-size: 14px; padding: 12px 18px; border: 1px solid oklch(1 0 0 / 0.1); border-radius: 4px; } .signin-coords { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 56px; width: min(420px, 90%); font-family: var(--at-font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: oklch(0.55 0.05 220); } .signin-coords__motto { font-family: var(--at-font-display); font-style: italic; font-size: 13px; letter-spacing: 0.04em; text-transform: none; color: oklch(0.75 0.04 220); } .signin-meander { position: relative; z-index: 2; height: 18px; background-color: oklch(0.62 0.12 70); -webkit-mask: url("data:image/svg+xml;utf8,") repeat-x center / 40px 18px; mask: url("data:image/svg+xml;utf8,") repeat-x center / 40px 18px; opacity: 0.85; } @media (max-width: 640px) { .signin-topbar { padding: 20px 24px; } .signin-main { padding: 32px 24px 40px; } .signin-mark__sub { display: none; } .signin-crest { width: 84px; height: 84px; } .signin-coords { font-size: 10px; } }

Atlantis