*,*:before,*:after{box-sizing:border-box}*{margin:0}html{interpolate-size:allow-keywords}body{line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p{overflow-wrap:break-word;text-wrap:pretty}h1,h2,h3,h4,h5,h6{overflow-wrap:break-word;text-wrap:balance}#root,#app{isolation:isolate}:root{--color-cobalt: #2b4bf2;--color-cherry: #ff3366;--color-yellow: #ffd400;--color-black: #16161d;--color-white: #ffffff;--color-bg: #f4f1ea;--color-surface: #ffffff;--color-text: var(--color-black);--color-muted: #56565f;--radius: 22px;--radius-sm: 14px;--border: 4px solid var(--color-black);--shadow-pop: 6px 6px 0 var(--color-black);--shadow-pop-sm: 4px 4px 0 var(--color-black);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);font-family:ui-rounded,SF Pro Rounded,Nunito,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--color-bg: #1c1b22;--color-surface: #26242e;--color-text: #f4f1ea;--color-muted: #b8b6c0;--color-black: #0c0c10}}body{min-height:100dvh;background-color:var(--color-bg);color:var(--color-text)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.page{max-width:80ch;margin-inline:auto;padding:2rem}.page--feed,.page--profile,.page--post-detail{max-width:560px;padding:1.5rem 1rem 4rem}h1,h2,h3{font-weight:800;letter-spacing:-.02em}a{color:inherit}button{font-family:inherit}.nav-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;background-color:var(--color-yellow);border-bottom:var(--border)}.nav-bar__logo{font-size:1.6rem;font-weight:900;letter-spacing:-.03em;color:var(--color-black);text-decoration:none;transform:rotate(-2deg);display:inline-block}.nav-bar__profile-link{display:inline-flex;border-radius:999px;transition:transform .2s var(--ease-bounce)}.nav-bar__profile-link:hover,.nav-bar__profile-link.is-active{transform:scale(1.1) rotate(-4deg)}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:3px solid var(--color-black);font-weight:800;color:var(--color-black);flex-shrink:0}.avatar--small{width:2.1rem;height:2.1rem;font-size:.9rem}.avatar--medium{width:3rem;height:3rem;font-size:1.2rem}.avatar--large{width:5.5rem;height:5.5rem;font-size:2.2rem;border-width:4px}.avatar--cobalt{background-color:var(--color-cobalt);color:var(--color-white)}.avatar--cherry{background-color:var(--color-cherry);color:var(--color-white)}.avatar--yellow{background-color:var(--color-yellow);color:var(--color-black)}.feed{display:flex;flex-direction:column;gap:2rem;margin-top:1.5rem}.post-card{background-color:var(--color-surface);border:var(--border);border-radius:var(--radius);box-shadow:var(--shadow-pop);overflow:hidden;animation:pop-in .35s var(--ease-bounce)}.post-card:nth-of-type(2n){transform:rotate(.4deg)}.post-card:nth-of-type(odd){transform:rotate(-.4deg)}.post-card__header{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1rem;border-bottom:var(--border)}.post-card__author{display:flex;align-items:center;gap:.6rem;text-decoration:none}.post-card__username{font-weight:800;text-decoration:none}.post-card__time{color:var(--color-muted);font-size:.85rem;font-weight:700}.post-card__actions{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.85rem 1rem .25rem}.post-card__comment-link{font-weight:800;text-decoration:none;padding:.5rem .9rem;border:3px solid var(--color-black);border-radius:var(--radius-sm);background-color:var(--color-white);transition:transform .15s var(--ease-bounce)}.post-card__comment-link:hover{transform:translateY(-2px)}.post-card__caption{padding:.5rem 1rem 1.1rem;line-height:1.4}.post-card--detail{margin-top:1.25rem}.photo-tile{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border-bottom:var(--border)}.photo-tile--thumb{border:var(--border);border-radius:var(--radius-sm);border-bottom-width:4px}.photo-tile--cobalt{background:linear-gradient(135deg,var(--color-cobalt),#6c86ff)}.photo-tile--cherry{background:linear-gradient(135deg,var(--color-cherry),#ff8fa8)}.photo-tile--yellow{background:linear-gradient(135deg,var(--color-yellow),#fff2a8)}.photo-tile__emoji{font-size:4.5rem;filter:drop-shadow(3px 3px 0 rgba(0,0,0,.25))}.photo-tile--thumb .photo-tile__emoji{font-size:2.2rem}.like-button{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .9rem;border:3px solid var(--color-black);border-radius:var(--radius-sm);background-color:var(--color-white);font-weight:800;cursor:pointer;transition:transform .15s var(--ease-bounce),background-color .15s ease}.like-button:hover{transform:translateY(-2px) scale(1.03)}.like-button:active{transform:scale(.95)}.like-button--liked{background-color:var(--color-cherry);color:var(--color-white);animation:pop-in .3s var(--ease-bounce)}.like-button__heart{font-size:1.1rem}.profile-header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.4rem;padding:1.75rem 1.25rem;background-color:var(--color-cobalt);color:var(--color-white);border:var(--border);border-radius:var(--radius);box-shadow:var(--shadow-pop)}.profile-header__name{margin-top:.5rem;font-size:1.6rem}.profile-header__username{font-weight:700;opacity:.85}.profile-header__bio{max-width:32ch;margin-top:.25rem}.profile-stats{display:flex;gap:1.5rem;margin-top:1.25rem}.profile-stats__item{display:flex;flex-direction:column;align-items:center}.profile-stats__item dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;opacity:.8}.profile-stats__item dd{margin:0;font-size:1.25rem;font-weight:800}.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1.5rem}.profile-grid__item{display:block;transition:transform .15s var(--ease-bounce)}.profile-grid__item:hover{transform:translateY(-3px) scale(1.03)}.profile-grid__empty{grid-column:1 / -1;text-align:center;color:var(--color-muted);font-weight:700;padding:1.5rem 0}.post-detail__comments{margin-top:1.5rem;background-color:var(--color-surface);border:var(--border);border-radius:var(--radius);box-shadow:var(--shadow-pop-sm);padding:1rem}.comment-list{list-style:none;margin:0 0 1rem;padding:0;display:flex;flex-direction:column;gap:.85rem}.comment-list__item{display:flex;align-items:flex-start;gap:.6rem}.comment-list__item p{margin:0;line-height:1.4}.comment-list__empty{color:var(--color-muted);font-weight:700;margin:0 0 1rem}.comment-form{display:flex;gap:.6rem;border-top:3px solid var(--color-black);padding-top:1rem}.comment-form__input{flex:1;padding:.6rem .9rem;border:3px solid var(--color-black);border-radius:var(--radius-sm);font-family:inherit;font-size:1rem;background-color:var(--color-bg);color:var(--color-text)}.comment-form__input:focus{outline:3px solid var(--color-cobalt);outline-offset:2px}.comment-form__submit{padding:.6rem 1.1rem;border:3px solid var(--color-black);border-radius:var(--radius-sm);background-color:var(--color-yellow);color:var(--color-black);font-weight:800;cursor:pointer;transition:transform .15s var(--ease-bounce)}.comment-form__submit:hover:not(:disabled){transform:translateY(-2px)}.comment-form__submit:disabled{opacity:.5;cursor:not-allowed}.back-link{display:inline-block;margin-bottom:1rem;font-weight:800;text-decoration:none}.back-link:hover{text-decoration:underline}@keyframes pop-in{0%{opacity:0;transform:scale(.9) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}