:root{--dd-ink: #14212b;--dd-ink-soft: #3d4f5c;--dd-mist: #eef3f6;--dd-paper: #f8f6f1;--dd-teal: #0f6b73;--dd-teal-deep: #0a4a50;--dd-sand: #c4a574;--dd-line: rgba(20, 33, 43, .12);--dd-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;--dd-body: "Source Sans 3", "Source Sans Pro", "Segoe UI", sans-serif}@keyframes dd-rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes dd-drift{0%,to{transform:translateZ(0) scale(1)}50%{transform:translate3d(1.5%,-1%,0) scale(1.03)}}@keyframes dd-fade{0%{opacity:0}to{opacity:1}}.dd-auth-shell{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:clamp(1.5rem,4vw,3rem);overflow:hidden;color:var(--dd-ink);font-family:var(--dd-body);background:radial-gradient(120% 80% at 10% 0%,rgba(15,107,115,.16),transparent 55%),radial-gradient(90% 70% at 100% 100%,rgba(196,165,116,.22),transparent 50%),linear-gradient(155deg,var(--dd-mist) 0%,var(--dd-paper) 55%,#e7ece8 100%)}.dd-auth-shell:before{content:"";position:absolute;inset:-10%;background-image:linear-gradient(rgba(20,33,43,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(20,33,43,.045) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);animation:dd-drift 22s ease-in-out infinite;pointer-events:none}.dd-auth-shell:after{content:"";position:absolute;width:min(52vw,420px);height:min(52vw,420px);right:-8%;top:-12%;border-radius:50%;background:radial-gradient(circle,rgba(15,107,115,.18),transparent 70%);animation:dd-drift 18s ease-in-out infinite reverse;pointer-events:none}.dd-auth-panel{position:relative;z-index:1;width:min(100%,440px);text-align:center;animation:dd-rise .7s cubic-bezier(.22,1,.36,1) both}.dd-brand{margin:0;font-family:var(--dd-display);font-size:clamp(2.75rem,8vw,4.25rem);font-weight:700;letter-spacing:-.04em;line-height:.95;color:var(--dd-ink)}.dd-brand span{display:inline-block;color:var(--dd-teal)}.dd-lede{margin:.85rem auto 0;max-width:28rem;font-size:1.05rem;line-height:1.45;color:var(--dd-ink-soft);animation:dd-fade .9s ease .15s both}.dd-cta{margin-top:1.75rem;display:flex;flex-direction:column;align-items:center;gap:.75rem;animation:dd-rise .75s cubic-bezier(.22,1,.36,1) .2s both}.dd-error{margin:1rem 0 0;color:#9b2c2c;font-size:.95rem}.dd-status{margin:1.5rem 0 0;color:var(--dd-ink-soft);animation:dd-fade .6s ease both}:root{--brand-primary: #1976d2;--header-bg: #1976d2;--surface: #f5f5f5;--text-primary: #333;--text-secondary: #666}