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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #3e2723, #6f4e37);
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: #fff;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.login-card h2 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 26px;
    color: #3e2723;
}

.login-card h2 span {
    color: #6f4e37;
}

.subtitle {
    text-align: center;
    color: #777;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    font-size: 14px;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border-radius: 8px;
    border: 1px solid #ddd;
    outline: none;
    font-size: 14px;
    transition: 0.3s;
}

.form-group input:focus {
    border-color: #6f4e37;
    box-shadow: 0 0 5px rgba(111, 78, 55, 0.4);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: #6f4e37;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-login:hover {
    background: #3e2723;
}

.register-text {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.register-text a {
    color: #6f4e37;
    text-decoration: none;
    font-weight: 600;
}

.register-text a:hover {
    color: #c49a6c;
}

.error {
    background: #fbeaea;
    color: #a94442;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
}