body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}


.login-box, .register-box {
    background: #ffffff;
    padding: 40px;
    width: 350px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: fadeIn 0.7s ease-in-out;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: bold;
    margin-bottom: 5px;
    color: #444;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    margin-bottom: 15px;
    transition: 0.3s;
}

input:focus {
    border-color: #2575fc;
    outline: none;
}

button {
    padding: 12px;
    background-color: #2575fc;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

button:hover {
    transform: scale(1.05);
}

p {
    text-align: center;
    margin-top: 15px;
}

a {
    color: #2575fc;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.form-error {
    background-color: #ffe0e0;
    color: #b30000;
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 15px;
    border: 1px solid #ffbdbd;
}
button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loading {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}