:root {
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --card-bg: #ffffff;
    --accent-color: #0d6efd;
    --status-dot-off: #dc3545;
    --status-dot-on: #198754;
}

[data-bs-theme="dark"] {
    --bg-color: #0d0d0d;
    --text-color: #00ff41; /* Matrix Green */
    --card-bg: #111;
    --accent-color: #00ff41;
    --status-dot-off: #ff0000;
    --status-dot-on: #00ff41;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    transition: background-color 0.3s;
}

[data-bs-theme="dark"] .navbar {
    border-bottom: 1px solid #00ff41;
    box-shadow: 0 0 10px #00ff41;
}

.card {
    background-color: var(--card-bg);
    border: none;
    transition: background-color 0.3s, box-shadow 0.3s;
}

[data-bs-theme="dark"] .card {
    border: 1px solid #00ff41;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
}

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

[data-bs-theme="dark"] .btn-primary {
    background-color: transparent;
    border-color: #00ff41;
    color: #00ff41;
    box-shadow: 0 0 5px #00ff41;
}

[data-bs-theme="dark"] .btn-primary:hover {
    background-color: #00ff41;
    color: #000;
    box-shadow: 0 0 15px #00ff41;
}

[data-bs-theme="dark"] .form-control {
    background-color: #000;
    border-color: #00ff41;
    color: #00ff41;
}
[data-bs-theme="dark"] .form-control:focus { /* Fix focus readability */
    color: #00ff41;
    background-color: #000;
    box-shadow: 0 0 0 0.25rem rgba(0, 255, 65, 0.25); 
    border-color: #00ff41;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    border-color: #00ff41;
    color: #00ff41;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: #00ff41;
    color: #000;
}

.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--status-dot-off); /* Default to off/connecting */
    margin-right: 5px;
    box-shadow: 0 0 5px currentColor;
}

.status-dot.connected {
    background-color: var(--status-dot-on);
}

/* Navbar Brand & Icons */
[data-bs-theme="dark"] .navbar-brand,
[data-bs-theme="dark"] .nav-link, 
[data-bs-theme="dark"] .btn-outline-primary,
[data-bs-theme="dark"] .text-muted {
    color: #00ff41 !important;
}

[data-bs-theme="dark"] .btn-outline-primary {
    border-color: #00ff41;
}
[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: #00ff41;
    color: #000 !important;
}

/* Footer GitHub Icon */
footer a {
    transition: color 0.3s;
}
[data-bs-theme="dark"] footer a {
    color: #00ff41 !important;
    text-shadow: 0 0 5px #00ff41;
}

/* Animations */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 65, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 255, 65, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 65, 0); }
}

[data-bs-theme="dark"] .btn-primary {
    animation: none; /* Only pulse on active generation if needed */
}