:root{--bg: #1a0b14;--fg: #f5e9ef;--muted: #b5a0ac;--accent: #ff5d8f;--serif: "Cormorant Garamond", "Times New Roman", serif;--sans: "Inter", system-ui, sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased;transition:background .6s ease,color .6s ease}button{font:inherit;color:inherit;background:transparent;border:0;cursor:pointer}.auth-screen{min-height:100vh;display:grid;place-items:center;text-align:center;padding:2rem}.auth-screen h1{font-family:var(--serif);font-size:clamp(2.5rem,6vw,5rem);font-weight:400;margin:0}.auth-button{margin-top:1.5rem;padding:.85rem 1.6rem;border-radius:999px;border:1px solid var(--accent);color:var(--accent);letter-spacing:.06em;text-transform:uppercase;font-size:.8rem;transition:background .2s ease,color .2s ease}.auth-button:hover:not(:disabled){background:var(--accent);color:var(--bg)}.auth-button:disabled{opacity:.5;cursor:progress}.auth-error{color:var(--accent);margin-top:1rem}.auth-form{display:flex;flex-direction:column;gap:.75rem;width:min(22rem,90vw);margin:1.5rem auto 0}.auth-form input{padding:.85rem 1rem;border-radius:8px;border:1px solid color-mix(in srgb,var(--fg) 18%,transparent);background:color-mix(in srgb,var(--fg) 5%,transparent);color:var(--fg);font:inherit;letter-spacing:.02em}.auth-form input::placeholder{color:var(--muted);text-transform:lowercase}.auth-form input:focus{outline:none;border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.auth-form .auth-button{margin-top:.5rem}.auth-toggle{margin-top:.75rem;color:var(--muted);font-size:.8rem;text-decoration:underline;text-underline-offset:4px}.auth-muted{color:var(--muted);font-size:.85rem;font-style:italic;margin-top:-.25rem}.timeline-root{height:100dvh;display:flex;flex-direction:column;background:var(--bg);transition:background .8s ease}.timeline-nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:1.5rem;padding:1rem 1.25rem;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 70%,transparent)}.timeline-brand{font-family:var(--serif);font-size:1.2rem;letter-spacing:.04em}.timeline-nav nav{display:flex;gap:1rem;flex:1;overflow-x:auto;scrollbar-width:none}.timeline-nav nav::-webkit-scrollbar{display:none}.timeline-nav nav button{color:var(--muted);font-size:.85rem;padding:.25rem 0;border-bottom:1px solid transparent;white-space:nowrap;transition:color .2s ease,border-color .2s ease}.timeline-nav nav button.is-active{color:var(--fg);border-bottom-color:var(--accent)}.signout{color:var(--muted);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}.timeline-track{flex:1;display:flex;overflow-x:scroll;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}.timeline-track::-webkit-scrollbar{display:none}.era{position:relative;flex:0 0 100%;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;isolation:isolate}.era-content{position:relative;z-index:2;max-width:36rem;padding:clamp(2rem,6vw,5rem);margin-top:clamp(4rem,14vh,9rem)}.era-subtitle{text-transform:uppercase;letter-spacing:.2em;font-size:.75rem;color:var(--accent);margin:0 0 .75rem}.era-title{font-family:var(--serif);font-size:clamp(2.8rem,6vw,5.5rem);font-weight:400;margin:0 0 1.5rem;line-height:1}.era-blurb{font-family:var(--serif);font-size:1.3rem;line-height:1.5;color:color-mix(in srgb,var(--fg) 90%,transparent)}.era-locked-hint{color:var(--muted);font-size:.9rem;font-style:italic}.collage{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity 1.2s ease}.collage.is-active{opacity:1}.collage-piece{position:absolute;aspect-ratio:4 / 5;border-radius:6px;overflow:hidden;box-shadow:0 20px 60px #0006;transform:rotate(var(--rot, 0)) translateY(20px);opacity:0;transition:transform 1.4s cubic-bezier(.2,.7,.2,1) var(--delay),opacity 1.2s ease var(--delay)}.collage.is-active .collage-piece{opacity:.85;transform:rotate(var(--rot, 0)) translateY(0);animation:drift 14s ease-in-out infinite alternate;animation-delay:var(--delay)}@keyframes drift{0%{transform:rotate(var(--rot, 0)) translateY(0) translate(0)}to{transform:rotate(var(--rot, 0)) translateY(calc(var(--drift) * -1)) translate(calc(var(--drift) * .4))}}.lazy-media{background:color-mix(in srgb,var(--accent) 12%,var(--bg));display:block;width:100%;height:100%}.lazy-media img{display:block;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease}.lazy-media.is-loaded img{opacity:1}.heart-unlock{margin:1.5rem 0}.heart-button{position:relative;display:inline-flex;align-items:center;gap:.75rem;padding:.8rem 1.4rem;border-radius:999px;background:color-mix(in srgb,var(--accent) 18%,transparent);border:1px solid color-mix(in srgb,var(--accent) 60%,transparent);overflow:visible;transition:transform .12s ease}.heart-button:active{transform:scale(.96)}.heart-glyph{font-size:1.4rem;color:var(--accent);filter:drop-shadow(0 0 8px color-mix(in srgb,var(--accent) 40%,transparent))}.heart-count{font-variant-numeric:tabular-nums;letter-spacing:.04em;font-size:.9rem}.heart-burst{position:absolute;pointer-events:none;color:var(--accent);font-size:1.2rem;animation:burst .9s ease-out forwards;transform:translate(-50%,-50%)}@keyframes burst{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-180%) scale(1.6)}}.heart-hint{color:var(--muted);font-size:.85rem;margin:.5rem 0 0}.countdown{margin:1rem 0 1.5rem}.countdown-label{text-transform:uppercase;letter-spacing:.18em;font-size:.7rem;color:var(--muted);margin:0 0 .5rem}.countdown-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;max-width:22rem}.countdown-cell{display:flex;flex-direction:column;align-items:center;padding:.6rem .4rem;border-radius:8px;background:color-mix(in srgb,var(--fg) 6%,transparent)}.countdown-n{font-family:var(--serif);font-size:1.8rem;font-variant-numeric:tabular-nums}.countdown-u{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:0s!important;transition-duration:0s!important}}.timeline-root[data-era=meeting]{--bg: #1a0b14;--fg: #fbe7ee;--muted: #b58aa0;--accent: #ff5d8f}.timeline-root[data-era=first-trip]{--bg: #0e1d2a;--fg: #e6f1ff;--muted: #8aa6c2;--accent: #f7b733}.timeline-root[data-era=moving-in]{--bg: #14181a;--fg: #f0ece6;--muted: #a89e90;--accent: #d98e5a}.timeline-root[data-era=anniversary]{--bg: #0a0a14;--fg: #f5efff;--muted: #9d92b8;--accent: #c79bff}