.bwm-auth-container, .bwm-activation-container, .bwm-dashboard, .bwm-portal-container {
    max-width: 500px;
    margin: 30px auto;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.bwm-auth-container h3, .bwm-portal-container h2 {
    text-align: center;
    color: #333;
}

.bwm-auth-container input, .bwm-activation-container input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
}

.bwm-btn {
    width: 100%;
    padding: 12px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    display: block;
    text-decoration: none;
    margin-top: 10px;
}

.bwm-btn:hover { background: #005177; color: #fff; }

.bwm-portal-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
}

.bwm-portal-card {
    padding: 20px;
    border: 2px solid #eee;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    text-align: center;
    transition: 0.3s;
}

.bwm-portal-card:hover {
    border-color: #0073aa;
    background: #f0f8ff;
}

.bwm-portal-card .icon { font-size: 40px; margin-bottom: 10px; }

.bwm-error { color: #d9534f; background: #f9f2f2; padding: 10px; border-radius: 4px; }
.bwm-success-msg { text-align: center; padding: 20px; }

.bwm-battery-info {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.bwm-back-link { display: inline-block; margin-bottom: 15px; color: #666; text-decoration: none; }

.bwm-progress-container {
    background: #eee;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin: 10px 0;
}

.bwm-progress-bar { background: #4caf50; height: 100%; }