body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #0f172a;
    color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.card {
    background-color: #d965f0;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    text-align: center;
    width: 100%;
    max-width: 350px;
}

h2 {
    color: #38bdf8;
    margin-top: 0;
}

input[type="password"], input[type="text"] {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 1px solid #334155;
    border-radius: 8px;
    background-color: #0f172a;
    color: #fff;
    box-sizing: border-box;
    font-size: 16px;
    text-align: center;
}

input:focus {
    outline: none;
    border-color: #38bdf8;
}

button {
    width: 100%;
    background-color: #3b82f6;
    color: white;
    border: none;
    padding: 12px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background-color: #2563eb;
}

.error-msg {
    background-color: #ef4444;
    color: white;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 15px;
}