* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

h1 {
    text-align: center;
    color: #222;
    margin-bottom: 8px;
}

.subtitle {
    text-align: center;
    color: #777;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.input-group input {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
    font-size: 15px;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

.password-box {
    position: relative;
}

.password-box input {
    padding-right: 50px;
}

#togglePassword {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 18px;
}

.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 25px;
}

.options label {
    color: #555;
}

.options a,
.register a {
    color: #667eea;
    text-decoration: none;
}

.options a:hover,
.register a:hover {
    text-decoration: underline;
}

.login-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

#message {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

.divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 25px 0;
    color: #aaa;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: #ddd;
}

.register {
    text-align: center;
    color: #666;
    font-size: 14px;
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 22px;
    }

    .options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}