:root {
    /* Light Mode Variables (Default) */
        --bg-body: #f3f4f6;
        --bg-card: #ffffff;
        --bg-input: #f9fafb;
        --text-primary: #111827;
        --text-secondary: #6b7280;
        --border-color: #e5e7eb;
        --accent-color: #6366f1;
        /* Soft Indigo */
        --accent-hover: #4f46e5;
        --success-color: #10b981;
        --danger-color: #ef4444;
        --warning-color: #f59e0b;
        --info-color: #3b82f6;
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
        --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        --radius: 12px;
    }
    
    [data-theme='dark'] {
        /* Dark Mode Variables */
        --bg-body: #111827;
        --bg-card: #1f2937;
        --bg-input: #374151;
        --text-primary: #f9fafb;
        --text-secondary: #9ca3af;
        --border-color: #374151;
        --accent-color: #818cf8;
        --accent-hover: #6366f1;
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5);
}

body {
    background-color: var(--bg-body);
        color: var(--text-primary);
        font-family: var(--font-family);
        transition: background-color 0.3s ease, color 0.3s ease;
        -webkit-font-smoothing: antialiased;
}

/* Card Styling */
.card {
    background-color: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        box-shadow: var(--shadow-sm);
        transition: transform 0.2s ease, box-shadow 0.3s ease;
        margin-bottom: 0;
        /* Bootstrap override */
    }
    
    .card:hover {
        box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
        border-bottom: 1px solid var(--border-color);
        color: var(--text-primary);
        font-weight: 600;
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
}

.card-body {
    padding: 1.25rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    font-weight: 700;
}

.text-muted {
    color: var(--text-secondary) !important;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary-custom:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    color: #fff;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-icon:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

/* Inputs */
.form-control {
    background-color: var(--bg-input);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        border-radius: 8px;
        padding: 0.6rem 1rem;
}

.form-control:focus {
    background-color: var(--bg-input);
        border-color: var(--accent-color);
        color: var(--text-primary);
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    }
    
    /* Table */
    .table {
        color: var(--text-primary);
        margin-bottom: 0;
    }
    
    .table thead th {
        background-color: var(--bg-body);
        /* Subtle header bg */
        color: var(--text-secondary);
        font-weight: 600;
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        border-bottom: 1px solid var(--border-color);
        border-top: none;
}

.table td {
    border-color: var(--border-color);
    padding: 1rem 0.75rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover td {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

/* Log Terminal */
.log-container {
    height: 350px;
    overflow-y: auto;
    background-color: #1e1e1e;
        /* Always dark for terminal */
        color: #e0e0e0;
        font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
        font-size: 0.85rem;
        padding: 1rem;
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
}

.log-entry {
    margin-bottom: 4px;
    line-height: 1.4;
        word-break: break-word;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Summary Cards */
.summary-value {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0.5rem;
    margin-bottom: 0;
    line-height: 1;
}

.summary-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Modal */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
}

.btn-close {
    filter: invert(var(--invert-value, 0));
}

[data-theme='dark'] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Status Badge */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}
.status-online {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-offline {
    background-color: var(--danger-color);
}

/* Utilities */
.text-accent {
    color: var(--accent-color);
}

.bg-soft {
    background-color: var(--bg-input);
}

.cursor-pointer {
    cursor: pointer;
}
/* Fix Table Background to use Body BG instead of White/Card BG */
#keyTableBody tr td {
    background-color: var(--bg-body);
}