:root{--bg: #ffffff;--fg: #14161a;--muted: #6b7280;--primary: #6d5efc;--primary-fg: #ffffff;--border: #e5e7eb;--danger: #ef4444;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #0f1115;--fg: #f5f5f7;--muted: #9ca3af;--border: #262a33}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.app-shell{display:flex;flex-direction:column;height:100%}.app-shell__content{flex:1;overflow-y:auto;padding:16px 16px 80px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--bg);border-top:1px solid var(--border);padding:10px 0 max(10px,env(safe-area-inset-bottom))}.bottom-nav__item{color:var(--muted);text-decoration:none;font-size:12px;font-weight:500}.bottom-nav__item--active{color:var(--primary)}.btn{border:none;border-radius:12px;padding:12px 20px;font-weight:600;font-size:15px;cursor:pointer}.btn--primary{background:var(--primary);color:var(--primary-fg)}.btn--secondary{background:transparent;color:var(--fg);border:1px solid var(--border)}.user-card{border-radius:20px;border:1px solid var(--border);overflow:hidden}.user-card__photo img,.user-card__placeholder{width:100%;aspect-ratio:3/4;object-fit:cover;background:var(--border)}.user-card__info{padding:16px}.user-card__location,.user-card__bio{color:var(--muted);font-size:14px}.user-card__actions{display:flex;gap:12px;padding:0 16px 16px}.user-card__actions .btn{flex:1}.state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 16px;text-align:center;color:var(--muted)}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.conversation-row,.notification-row{display:flex;justify-content:space-between;align-items:center;width:100%;padding:14px 4px;border-bottom:1px solid var(--border);background:none;border-left:none;border-right:none;border-top:none;text-align:left;color:var(--fg);text-decoration:none;font:inherit;cursor:pointer}.notification-row--unread{font-weight:600}.badge{background:var(--primary);color:var(--primary-fg);border-radius:999px;font-size:11px;padding:2px 8px}.conversation__messages{display:flex;flex-direction:column;gap:8px;padding-bottom:70px}.message-bubble{align-self:flex-start;background:var(--border);padding:10px 14px;border-radius:16px;max-width:75%}.message-bubble--mine{align-self:flex-end;background:var(--primary);color:var(--primary-fg)}.conversation__composer{position:fixed;bottom:60px;left:0;right:0;display:flex;gap:8px;padding:10px 16px;background:var(--bg);border-top:1px solid var(--border)}.conversation__composer input{flex:1;border-radius:20px;border:1px solid var(--border);padding:10px 16px;background:var(--bg);color:var(--fg)}textarea,input[type=text],select{width:100%;border-radius:10px;border:1px solid var(--border);padding:10px;background:var(--bg);color:var(--fg);margin-bottom:12px}.interest-picker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.interest-chip{border:1px solid var(--border);background:transparent;color:var(--fg);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer}.interest-chip--selected{background:var(--primary);color:var(--primary-fg);border-color:var(--primary)}.admin-tabs,.admin-search{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.admin-search input{flex:1;min-width:180px;margin-bottom:0}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.admin-stat,.admin-row{border:1px solid var(--border);border-radius:14px;padding:14px;margin-bottom:10px}.admin-stat{display:flex;flex-direction:column;gap:6px}.admin-stat span{color:var(--muted);font-size:12px}.admin-stat strong{font-size:24px}.admin-row{display:flex;align-items:center;gap:8px;justify-content:space-between}.error-text{color:var(--danger)}