*,*::before,*::after{box-sizing:border-box;}:root{--bg:#0c0d10;--surface:#14161b;--fg:#eceef1;--muted:#8b929c;--border:#2a2f38;--border-strong:#3a4150;--accent:#d4c4a8;--accent-fg:#14161b;--error:#c48b8b;--radius:10px;--radius-sm:8px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--ease:cubic-bezier(0.22,1,0.36,1);--shadow:0 24px 48px rgba(0,0,0,0.35);}html{height:100%;}body{margin:0;min-height:100%;font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.5;-webkit-font-smoothing:antialiased;}.ambient{pointer-events:none;position:fixed;inset:0;z-index:0;background:radial-gradient(ellipse 70% 50% at 50% -10%,rgba(212,196,168,0.07),transparent 55%),radial-gradient(ellipse 50% 40% at 80% 100%,rgba(90,100,120,0.08),transparent 50%);}#app{position:relative;z-index:1;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:1.5rem;}.gate{width:100%;max-width:22rem;text-align:center;animation:rise 0.45s var(--ease) both;}.gate__eyebrow,.demo__eyebrow{margin:0 0 0.65rem;font-size:0.6875rem;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);}.gate__title{margin:0 0 2.25rem;font-size:clamp(1.2rem,2.5vw,1.35rem);font-weight:500;letter-spacing:0.06em;color:var(--fg);}.gate__form{display:flex;flex-direction:column;gap:0.75rem;}.gate__label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}.gate__input{width:100%;min-height:2.75rem;padding:0.8rem 1rem;font:inherit;font-size:1rem;letter-spacing:0.08em;color:var(--fg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color 0.18s var(--ease),box-shadow 0.18s var(--ease);}.gate__input:focus{border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(212,196,168,0.12);}.gate__input::placeholder{color:transparent;}.gate__input.is-invalid{border-color:var(--error);animation:shake 0.32s var(--ease);}.gate__submit{min-height:2.75rem;padding:0.8rem 1rem;font:inherit;font-size:0.9375rem;font-weight:500;letter-spacing:0.04em;color:var(--accent-fg);background:var(--accent);border:none;border-radius:var(--radius);cursor:pointer;transition:opacity 0.15s var(--ease),transform 0.15s var(--ease);}.gate__submit:hover{opacity:0.92;}.gate__submit:active{transform:translateY(1px);}.gate__submit:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}.gate__feedback{min-height:1.25rem;margin:0.15rem 0 0;font-size:0.8125rem;color:var(--error);}.demo{width:100%;max-width:28rem;text-align:center;animation:rise 0.45s var(--ease) both;}.demo[hidden]{display:none;}.demo__header{margin-bottom:1.5rem;}.demo__title{margin:0 0 0.4rem;font-size:1.25rem;font-weight:500;letter-spacing:0.02em;}.demo__subtitle{margin:0;font-size:0.875rem;color:var(--muted);}.demo__card{padding:1.35rem 1.4rem 1.4rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-align:left;}.demo__palette{display:flex;gap:0.4rem;margin-bottom:1.15rem;}.swatch{flex:1;height:2.5rem;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.06);}.swatch--bg{background:#0c0d10;}.swatch--surface{background:#14161b;}.swatch--border{background:#2a2f38;}.swatch--muted{background:#8b929c;}.swatch--fg{background:#eceef1;}.swatch--accent{background:#d4c4a8;}.demo__meta{list-style:none;margin:0 0 1rem;padding:0;display:grid;gap:0.45rem;font-size:0.8125rem;color:var(--fg);}.demo__meta li{display:flex;gap:0.65rem;align-items:baseline;}.demo__meta span{flex:0 0 4.5rem;font-size:0.6875rem;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);}.demo__text{margin:0;font-size:0.875rem;color:var(--muted);line-height:1.55;}.demo__reset{margin-top:1.35rem;min-height:2.5rem;padding:0.55rem 1.1rem;font:inherit;font-size:0.8125rem;color:var(--muted);background:transparent;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:color 0.15s var(--ease),border-color 0.15s var(--ease);}.demo__reset:hover,.demo__reset:focus-visible{color:var(--fg);border-color:var(--border-strong);}.demo__reset:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}@keyframes rise{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}@keyframes shake{0%,100%{transform:translateX(0);}25%{transform:translateX(-4px);}75%{transform:translateX(4px);}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none !important;transition:none !important;}}@media (max-width:390px){#app{padding:1.25rem;}.gate__title{margin-bottom:1.75rem;}}