body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #0D0D0D;
    color: #F5F5F5;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}
.container {
    width: 100%;
    max-width: 350px;
    padding: 20px;
    box-sizing: border-box;
}
.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 16px;
}
h1 {
    font-size: 1.5em;
    color: #B4E926;
}
p {
    color: #87898C;
    line-height: 1.5;
}
input, button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid #333;
    font-size: 1em;
    box-sizing: border-box;
}
input {
    background-color: #222;
    color: #fff;
}
button {
    background-color: #B4E926;
    color: #0D0D0D;
    font-weight: bold;
    cursor: pointer;
    border: none;
}
button:disabled {
    background-color: #555;
    cursor: not-allowed;
}
#logout-button {
    background-color: #333;
    color: #fff;
    margin-top: 20px;
}
.error {
    color: #ff4d4d;
    font-size: 0.9em;
    margin-top: 10px;
    min-height: 1em;
}
.hidden {
    display: none;
}
#notification-status {
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
}
#status-text {
    font-weight: bold;
}