:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent-color: #bb86fc;
    --success-color: #03dac6;
    --error-color: #cf6679;
    --status-active-bg: #cf6679;
    --status-idle-bg: #03dac6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 400px; /* Mobile friendly width */
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    text-align: center;
}

h1 {
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.status-indicator {
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: bold;
    font-size: 1.2rem;
    color: #121212;
}

.status-idle {
    background-color: var(--status-idle-bg);
}

.status-active {
    background-color: var(--status-active-bg);
    animation: pulse 2s infinite;
}

.info-group {
    margin: 15px 0;
    text-align: left;
    background: #2c2c2c;
    padding: 10px;
    border-radius: 6px;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 4px;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 500;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.2s;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
}

.btn-danger {
    background-color: var(--error-color);
    color: #000;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: #2c2c2c;
    border: 1px solid #333;
    border-radius: 6px;
    color: white;
    box-sizing: border-box;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.8; }
    100% { opacity: 1; }
}