html,body{margin:0;padding:0;height:100%;background-color:var(--background-color);color:var(--text-color);font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;}body{display:flex;justify-content:center;align-items:flex-start;padding:2rem 1rem;overflow-y:auto;}body > div{width:100%;max-width:420px;}.back-link{position:absolute;top:20px;left:20px;color:var(--accent-color);text-decoration:none;font-size:16px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:color 0.2s ease-in-out;}.back-link::before{font-size:18px;display:inline-block;}.back-link:hover{color:var(--danger-color);text-decoration:underline;}.login-container{background-color:var(--primary-color);padding:2.5rem;border-radius:12px;box-shadow:0 0 20px rgba(0,0,0,0.3);width:100%;max-width:400px;text-align:center;display:flex;flex-direction:column;gap:1rem;}.login-container h2{color:var(--text-color);margin-bottom:1rem;font-size:1.75rem;}form{display:flex;flex-direction:column;gap:1rem;}input[type="email"],input[type="password"]{width:100%;padding:0.75rem;border:2px solid var(--accent-color);border-radius:6px;background-color:var(--secondary-color);color:var(--text-color);font-size:1rem;box-sizing:border-box;}input[type="email"]::placeholder,input[type="password"]::placeholder{color:#ccc;}.login-btn{width:100%;padding:0.75rem;background-color:var(--accent-color);color:var(--background-color);border:none;border-radius:6px;font-weight:bold;font-size:1rem;cursor:pointer;transition:background-color 0.3s ease;}.login-btn:hover{background-color:var(--secondary-color);color:var(--text-color);}.login-links{display:flex;justify-content:space-between;font-size:0.9rem;margin-top:0.5rem;}.login-links a{color:var(--accent-color);text-decoration:none;}.login-links a:hover{text-decoration:underline;}