/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Card Container */
.container {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* Form Elements */
.form-group {
    text-align: left;
    margin-bottom: 1.2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #444;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: #007bff;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 0.8rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-logout {
    background-color: #dc3545;
    margin-top: 20px;
}

.btn-logout:hover {
    background-color: #a71d2a;
}

/* Messages */
#error-msg {
    color: #d9534f;
    background: #fdf7f7;
    padding: 10px;
    border-radius: 4px;
    margin-top: 1rem;
    display: none;
}