body {
    background-color: #1a1a1a;
    color: #ffffff;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.login-container, .main-container {
    background-color: #262626;
    padding: 30px;
    border-radius: 5px;
    width: 400px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.main-container {
    width: 90%;
    max-width: 900px;
    margin: 20px;
}

h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

p {
    color: #cccccc;
    font-size: 14px;
    margin-bottom: 20px;
}

.form-group {
    text-align: left;
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

input[type="text"], input[type="password"], input[type="number"], textarea {
    width: 100%;
    padding: 10px;
    background-color: #333333;
    border: 1px solid #444444;
    color: white;
    box-sizing: border-box;
    border-radius: 3px;
}

.btn-login, .btn-action, .btn-start, .btn-stop, .btn-copy {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid #007bff;
    color: #007bff;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 3px;
    text-transform: uppercase;
    font-weight: bold;
}

.btn-login { width: 100%; margin-top: 10px; }

.btn-login:hover { background: #007bff; color: white; }

.error {
    background: rgba(255, 68, 68, 0.1);
    color: #ff4444;
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 15px;
    border: 1px solid #ff4444;
}

.results-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.result-box {
    flex: 1;
    text-align: left;
}

.result-box h3 { margin-top: 0; }

.result-box textarea {
    height: 300px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    resize: none;
}

.controls {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn-start { border-color: #28a745; color: #28a745; }
.btn-start:hover { background: #28a745; color: white; }
.btn-stop { border-color: #dc3545; color: #dc3545; }
.btn-stop:hover { background: #dc3545; color: white; }
.btn-copy { border-color: #ffc107; color: #ffc107; font-size: 12px; padding: 5px 10px; margin-top: 5px; }
.btn-copy:hover { background: #ffc107; color: #1a1a1a; }

.status-bar {
    margin-top: 10px;
    font-size: 14px;
    color: #888;
}

.signup-link a { color: #007bff; text-decoration: none; }
.signup-link a:hover { text-decoration: underline; }