.landing-container{height:100vh;display:flex;justify-content:center;align-items:center;background:#f4f6f8}.landing-card{background:#fff;padding:30px;width:300px;border-radius:10px;text-align:center;box-shadow:0 10px 25px #0000001a}.landing-card button{width:100%;margin-top:10px;padding:10px;border:none;border-radius:6px;background:#4f46e5;color:#fff;font-weight:600;cursor:pointer}.landing-card button:hover{background:#4338ca}.signup-container{height:100vh;display:flex;justify-content:center;align-items:center;background:#f4f6f8}.signup-card{background:#fff;padding:30px;width:350px;border-radius:10px;box-shadow:0 10px 25px #0000001a}.signup-card h2{text-align:center;margin-bottom:20px}.signup-card form{display:flex;flex-direction:column;gap:12px}.signup-card input{padding:10px;border-radius:6px;border:1px solid #ddd;font-size:14px}.signup-card input:focus{outline:none;border-color:#4f46e5}.signup-card button{padding:10px;border-radius:6px;border:none;background:#4f46e5;color:#fff;font-weight:600;cursor:pointer;transition:.2s ease}.signup-card button:hover{background:#4338ca}.signup-card button:disabled{background:#aaa;cursor:not-allowed}.login-container{height:100vh;display:flex;justify-content:center;align-items:center;background:#f4f6f8}.login-card{background:#fff;padding:30px;width:350px;border-radius:10px;box-shadow:0 10px 25px #0000001a}.login-card h2{text-align:center;margin-bottom:20px}.login-card form{display:flex;flex-direction:column;gap:12px}.login-card input{padding:10px;border-radius:6px;border:1px solid #ddd;font-size:14px}.login-card input:focus{outline:none;border-color:#4f46e5}.login-card button{padding:10px;border-radius:6px;border:none;background:#4f46e5;color:#fff;font-weight:600;cursor:pointer;transition:.2s ease}.login-card button:hover{background:#4338ca}.login-card button:disabled{background:#aaa;cursor:not-allowed}.error{color:red;text-align:center;font-size:14px}.success{color:green;text-align:center;font-size:14px}.home-container{padding:40px;max-width:900px;margin:auto}.home-container h2{margin-bottom:20px;text-align:center}.feed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.feed-card{padding:15px;border-radius:8px;background:#fff;box-shadow:0 5px 15px #00000014}.feed-card h3{margin-bottom:8px}.feed-card p{font-size:14px;color:#555}.home-loading,.home-error{text-align:center;margin-top:100px;font-size:18px}.home-error{color:red}.profile-container{height:100vh;display:flex;justify-content:center;align-items:center;background:#f4f6f8}.profile-card{background:#fff;padding:30px;width:420px;border-radius:10px;box-shadow:0 10px 25px #0000001a}.profile-card h2{text-align:center;margin-bottom:20px}.profile-info p{margin:12px 0;font-size:15px}.profile-loading,.profile-error{text-align:center;margin-top:100px;font-size:18px}.profile-error{color:red}