body {
    margin: 0;
    padding: 0;
    background: #0d0d0d;
    color: #e5e5e5;
    font-family: "Segoe UI", Arial, sans-serif;
}

.center-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.card {
    background: #1a1a1a;
    padding: 32px;
    border-radius: 12px;
    width: 340px;
    box-shadow: 0 0 25px rgba(0,0,0,0.6);
}

h1, h2 {
    text-align: center;
    margin-bottom: 20px;
}

label {
    font-size: 14px;
    margin-top: 12px;
    display: block;
}

input {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border-radius: 6px;
    border: none;
    background: #2b2b2b;
    color: #e5e5e5;
    font-size: 15px;
}

button {
    width: 100%;
    padding: 14px;
    margin-top: 22px;
    background: #4caf50;
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #43a047;
}

.avatar-box {
    width: 220px;
    height: 220px;
    border: 1px solid #444;
    border-radius: 8px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #111;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    padding: 20px;
}

.logout-btn {
    background: #d32f2f;
}

.logout-btn:hover {
    background: #c62828;
}