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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e1e2f, #30305a);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-box {
    background: #ffffff;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

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

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 6px;
    color: #333;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 18px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
    font-size: 15px;
}

input:focus {
    border-color: #4b57ff;
}

button {
    width: 100%;
    padding: 12px;
    background: #4b57ff;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #3944d8;
}

.bottom-text {
    text-align: center;
    margin-top: 18px;
    color: #555;
}

.bottom-text a {
    color: #4b57ff;
    text-decoration: none;
    font-weight: bold;
}

.message {
    background: #ffe5e5;
    color: #b30000;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 18px;
    text-align: center;
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 12px;
    background: #e63946;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    margin-top: 20px;
}

.logout-btn:hover {
    background: #c82333;
}