:root{--bg:#f6fbfb;--card:#ffffff;--accent:#2f8f90;--accent-2:#5eb2b3;--muted:#6b7280;--brand-dark:#0f1720}*,*:before,*:after{box-sizing:border-box}body{font-family:Inter,Arial,Helvetica,sans-serif;margin:0;background:var(--bg);color:var(--brand-dark)}.header{background:var(--card);box-shadow:0 1px 6px #0000000a}.nav{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 18px;gap:12px}.brand{display:flex;align-items:center;gap:12px}.brand img{height:72px;width:72px;object-fit:cover;object-position:center;border-radius:6px}.logoText{font-weight:900;color:var(--accent);text-decoration:none;font-size:28px}.navLinks{display:flex;align-items:center;gap:12px}.nav a{margin-left:8px;color:var(--accent);text-decoration:none;font-weight:600}.nav a svg,.userMenu svg,.mobileMenu svg{display:inline-block;vertical-align:middle}.right{display:flex;align-items:center;gap:12px}.avatar{height:40px;width:40px;border-radius:999px;object-fit:cover;border:2px solid rgba(0,0,0,.06);display:block}.avatar svg{display:block}.avatar.placeholder{background:#eef6f0;width:36px;height:36px;border-radius:999px}.username{color:var(--brand-dark);font-weight:700;text-decoration:none}.link-btn{background:none;border:0;color:var(--accent);font-weight:600;cursor:pointer}.nav{position:relative}.userMenu{position:absolute;right:12px;top:56px;min-width:160px;background:var(--card);border-radius:10px;box-shadow:0 8px 30px #00000014;padding:6px;display:none;z-index:40}.userMenu.open{display:block}.userMenu a,.userMenu button{display:block;padding:10px 12px;color:var(--brand-dark);text-decoration:none;border-radius:6px;text-align:left;background:transparent;border:0;width:100%;cursor:pointer}.userMenu a:hover,.userMenu button:hover{background:#f3f7f6}@media (max-width: 700px){.nav{padding:8px 12px}.brand img{height:48px;width:48px}.logoText{font-size:18px}.hide-mobile{display:none}.nav{gap:8px}}.mobileToggle{background:none;border:0;display:none;align-items:center;justify-content:center}.hide-desktop{display:none}@media (max-width:700px){.mobileToggle{display:flex}.hide-desktop{display:inline-flex}.hide-mobile{display:none}.mobileMenu{position:fixed;left:0;top:0;bottom:0;width:260px;background:var(--card);z-index:90;box-shadow:6px 0 28px #0000001f;transform:translate(0);padding:12px}.mobileMenuInner{display:flex;flex-direction:column;gap:6px;margin-top:36px}.mobileMenu a,.mobileMenu button{display:flex;align-items:center;gap:8px;padding:10px 12px;color:var(--brand-dark);text-decoration:none;border-radius:8px;background:transparent;border:0}}.container{max-width:1100px;margin:28px auto;padding:16px}.card{background:var(--card);padding:16px;border-radius:10px;box-shadow:0 6px 20px #0000000a}.btn{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;padding:10px 14px;border-radius:8px;border:none;cursor:pointer}.form-input{width:100%;max-width:100%;display:block;padding:12px;border:1px solid #e5e7eb;border-radius:8px;box-sizing:inherit}input[type=text],input[type=email],input[type=password],textarea{width:100%;max-width:100%;box-sizing:inherit}.small{color:var(--muted);font-size:14px}.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.post{border:1px solid #eee;padding:10px;border-radius:8px;background:linear-gradient(180deg,#fff,#fbffff)}.post img{width:100%;height:140px;object-fit:cover;border-radius:6px}.desktop-buttons{display:flex;gap:8px;align-items:center}.mobile-buttons{display:none;gap:8px}@media (max-width:700px){.desktop-buttons{display:none!important}.mobile-buttons{display:flex!important;flex-direction:column}}