:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --info-color: #0dcaf0;
    --success-color: #198754; /* New: for consistent status */
    --danger-color: #dc3545; /* New: for conflict status */
    --warning-color: #ffc107; /* New: for error status */
    --border-color: #e9ecef; /* MODIFIED: Lighter border for a softer look */
    --bg-color-light: #f8f9fa;
    --text-color: #212529;
    --text-color-light: #495057; /* NEW: for secondary text/headers */

    /* Light Theme Code Colors */
    --code-bg: #f8f8f8; /* Very light gray, like a parchment or fresh terminal */
    --code-text: #333333; /* Darker text for readability */
    --code-border: #e0e0e0;
}

/* Layout */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color-light);
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px; /* MODIFIED: Larger radius for a modern feel */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05); /* MODIFIED: Softer, deeper shadow */
    position: relative;
}

/* NEW: Consistent Heading Styles */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 5px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 10px;
    color: var(--text-color-light); /* Subdued color for section headers */
}

/* ------------------------------------------------------------- */
/* Action Buttons (General Styles) */
/* ------------------------------------------------------------- */
.action-button {
    font-size: 0.8rem; /* MODIFIED: Slightly smaller in the table for a cleaner fit */
    padding: 4px 8px; /* MODIFIED: Tighter padding */
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    margin: 0;
    margin-right: 5px;
    min-width: 65px; /* NEW: Ensure uniform width in table */
    text-align: center;
}

.action-button.disable {
    background-color: #fff; /* MODIFIED: Ghost/Outlined style for better contrast */
    color: var(--secondary-color);
    border-color: #dcdcdc; /* MODIFIED: Light gray border */
    font-weight: 500;
}

.action-button.disable:hover {
    background-color: var(--secondary-color); /* Solid on hover */
    color: white;
}

.action-button.enable {
    background-color: var(--success-color);
    color: white;
    font-weight: 500;
}

.action-button.enable:hover {
    background-color: #157347;
}

.action-button.remove {
    background-color: var(--danger-color);
    color: white;
}

.action-button.remove:hover {
    background-color: #bb2d3b;
}

/* Add Chain Button */
.action-button.add {
    background-color: var(--success-color); /* MODIFIED: Using variable for consistency */
    color: white;
}

.action-button.add:hover {
    background-color: #157347;
}

/* Cancel button for forms (like in the Add Chain modal) */
.action-button.cancel {
    background-color: var(--secondary-color);
    color: white;
}
.action-button.cancel:hover {
    background-color: #5c636a;
}

/* ------------------------------------------------------------- */
/* Consistency Status Indicator (Modernized) */
/* ------------------------------------------------------------- */
#consistency-status-container {
    position: absolute;
    top: 30px;
    right: 30px;
    z-index: 5;
}

#consistency-button {
    font-size: 0.85rem; /* MODIFIED: Smaller font */
    padding: 5px 12px; /* MODIFIED: Tighter padding */
    border-radius: 20px; /* MODIFIED: Pill-shaped */
    font-weight: 700;
    cursor: default;
    pointer-events: none;
    transition: background-color 0.2s ease, transform 0.1s ease;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* NEW: Subtle shadow */
}

#consistency-button.consistent {
    background-color: var(--success-color);
    color: white;
}

#consistency-button.inconsistent {
    background-color: var(--danger-color);
    color: white;
    cursor: pointer;
    pointer-events: auto;
}

#consistency-button.inconsistent:hover {
    background-color: #bb2d3b;
    transform: scale(1.02);
}

#consistency-button.error {
    background-color: var(--warning-color);
    color: var(--text-color);
}

#consistency-button:disabled {
    opacity: 0.8;
}

/* ------------------------------------------------------------- */
/* Toolbar (Modernized) - FIX APPLIED HERE */
/* ------------------------------------------------------------- */

.toolbar {
    display: flex;
    /* This pushes the .toolbar-left-group and .toolbar-right-group to opposite sides */
    justify-content: space-between; 
    gap: 10px;
    margin-bottom: 25px; 
    margin-top: 25px; 
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Grouping for Reload/Refresh buttons on the left */
.toolbar-left-group {
    display: flex;
    gap: 10px;
}

/* Grouping for Add New buttons on the right */
.toolbar-right-group {
    display: flex;
    gap: 10px;
}

.toolbar button {
    background-color: #fff; /* Ghost/Outlined button style for secondary actions */
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    padding: 8px 14px; 
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toolbar button:hover {
    background-color: var(--primary-color);
    color: white; /* Text inverts to white on hover */
}

/* Primary Action Button Styles (Targeting the 'Add New' buttons via onclick attribute) */
.toolbar button[onclick*="showAddClusterModal"],
.toolbar button[onclick*="showAddListenerModal"] {
    background-color: var(--primary-color); /* Solid background for primary actions */
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    /* Ensure no unwanted margin pushing */
    margin-left: 0 !important; 
}

.toolbar button[onclick*="showAddClusterModal"]:hover,
.toolbar button[onclick*="showAddListenerModal"]:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

/* ------------------------------------------------------------- */
/* Table (Modernized - Striped and Cleaner) */
/* ------------------------------------------------------------- */
.config-table {
    width: 100%;
    border-collapse: separate; /* MODIFIED: Allows border-radius on cells */
    border-spacing: 0; /* NEW: Removes spacing between borders */
    margin-top: 15px;
    border: 1px solid var(--border-color); /* NEW: Single border around the table */
    border-radius: 6px; /* NEW: Rounded corners on table */
    overflow: hidden;
}

.config-table th,
.config-table td {
    padding: 12px 15px; /* MODIFIED: Increased vertical padding */
    text-align: left;
    border-bottom: none; /* MODIFIED: Removed internal horizontal lines */
    vertical-align: middle; /* MODIFIED: Center align content vertically */
}

.config-table th {
    background-color: var(--bg-color-light); /* MODIFIED: Lighter header background */
    font-weight: 600;
    color: var(--text-color-light); /* MODIFIED: Subdued header text */
    position: sticky;
    top: 0;
    z-index: 2;
    border-bottom: 1px solid var(--border-color); /* Re-add separator */
}

/* NEW: Zebra Striping */
.config-table tbody tr:nth-child(even) {
    background-color: #fcfcfd;
}
.config-table tbody tr:nth-child(odd) {
    background-color: #fff;
}

/* Prevent whole row hover highlight (still needed) */
.config-table tr:hover {
    background-color: transparent;
}

/* Row-specific hover highlight (Softer blue on hover) */
.config-table tr:hover:not(.disabled-row) {
    background-color: #eef5ff; /* MODIFIED: Softer hover color */
}

/* Status Column Text Styling for readability */
.config-table td:nth-child(2) {
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-color-light);
}

.listener-name,
.domain-name-link {
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: none; /* MODIFIED: Remove default underline */
    transition: color 0.15s ease;
}

/* Highlight only when hovering over the link itself */
.listener-name:hover,
.domain-name-link:hover {
    text-decoration: underline; /* MODIFIED: Add underline only on hover */
    color: #0b5ed7;
}

/* Keep non-clickable text normal */
.config-table td {
    cursor: default;
}

.disabled-row {
    opacity: 0.5; /* MODIFIED: Slightly more muted */
    background-color: #fbfbfb !important;
}

.disabled-row .listener-name {
    text-decoration: line-through;
}

/* Badges */
.tls-badge {
    display: inline-block;
    background-color: var(--info-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    margin-left: 6px;
}

.filter-badge {
    display: inline-block;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: 6px;
}

/* Domain Config */
.domain-config-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}

.domain-config-item {
    background-color: #fcfcfc;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 10px;
    transition: background-color 0.2s ease;
}

.domain-config-item:hover {
    background-color: #eef5ff;
}

.domain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.domain-name-link {
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
}

.domain-name-link:hover {
    text-decoration: underline;
}

/* IMPROVED: Layout for Route Type and Remove Button */
.route-type-display {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-top: 3px;
    
    /* NEW: Use flex to align type and button on the same line */
    display: flex;
    justify-content: space-between; /* Push button to the right */
    align-items: center;
}

/* NEW: Style for the "Remove Chain" button inside the domain item */
.action-button.remove-chain-button {
    /* Override standard action button size */
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 3px;
    margin: 0;
    
    /* Make it less aggressive than the full listener remove button */
    background-color: #ff4d4d; /* A lighter, softer red */
    color: white;
    border: 1px solid #ff4d4d;
    transition: all 0.2s ease;
}

.action-button.remove-chain-button:hover {
    background-color: var(--danger-color); /* Full red on hover */
    border-color: var(--danger-color);
}

/* IMPROVED: Action column styling to stack buttons neatly (for the last column) */
.config-table td:last-child {
    display: flex;
    flex-direction: column; /* Stack buttons vertically */
    gap: 4px; /* Small space between stacked buttons */
    /* Ensure padding is kept */
    padding: 10px 12px;
}

/* Target buttons in the main Action column to ensure consistent width */
.config-table td:last-child .action-button {
    margin-right: 0; /* Remove horizontal margin */
    width: 100%; /* Make them full width for that column */
    box-sizing: border-box;
    text-align: center;
}


/* ============================================================= */
/* MODAL FIXES AND TAB STYLING (Consistent) */
/* ============================================================= */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding-top: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: #fff;
    margin: 0 auto;
    padding: 25px;
    border-radius: 8px;
    max-width: 900px;
    width: 80%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

/* NEW: Consistent Modal Header */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
}

/* Close Button Styling and Positioning Fix */
.close-btn, /* The one used in the secondary modals */
.modal-content > .close { /* The one used in the main configModal (Unified) */
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 20px;
    z-index: 10;
}

.close-btn:hover,
.close-btn:focus,
.modal-content > .close:hover,
.modal-content > .close:focus {
    color: #000;
    text-decoration: none;
}

.modal-content h2,
.modal-content h3 { /* Apply to H2 and H3 for consistency */
    padding-right: 40px;
    margin-top: 0; /* Ensures consistent top margin on modal headers */
}

/* Tab Controls Styling */
.tab-controls {
    display: flex;
    align-items: flex-end;
    margin: 15px 0 0;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 10px 15px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--secondary-color);
    transition: all 0.2s ease;
    margin-bottom: -2px;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Download Button Styling */
.download-button {
    margin-left: auto; 
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    border-bottom: none !important; 
    padding: 8px 15px; 
    font-size: 0.9rem;
    font-weight: 500;
}

.download-button:hover {
    background-color: #0b5ed7;
}

/* Light Theme Code Block Styling (applies to both JSON and YAML) */
.code-block {
    background: var(--code-bg);
    color: var(--code-text);
    font-family: monospace;
    font-size: 0.9rem;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--code-border);
    max-height: 500px;
    overflow: auto;
    white-space: pre;
    word-wrap: normal;
}

/* ------------------------------------------------------------- */
/* Add Filter Chain & Add Listener Modal Styles (Unified) */
/* ------------------------------------------------------------- */

/* Styles for the larger content area within the modal */
.modal-content.large-modal {
    max-width: 900px;
    width: 90%;
}

/* Styles for the YAML textarea input (Unified for all YAML inputs) */
#add-fc-yaml-input,
#add-listener-yaml-input, #add-cluster-yaml-input { /* Unified ID for consistency */
    width: 100%;
    font-family: monospace;
    font-size: 0.9rem;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--code-bg);
    color: var(--code-text);
    resize: vertical;
    box-sizing: border-box;
    min-height: 250px; /* Ensures Add Listener textarea has a good starting height */
}

/* Styles for the label above the textarea (Unified for all form labels) */
label[for="add-fc-yaml-input"],
label[for="add-listener-yaml-input"], label[for="add-cluster-yaml-input"]{ /* Unified ID for consistency */
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    margin-top: 15px;
}

.modal-note {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-top: 20px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}


/* ------------------------------------------------------------- */
/* Consistency Modal Specific Styles (Enhanced) */
/* ------------------------------------------------------------- */

/* Modal Action buttons container (Unified Footer) */
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.modal-actions button {
    font-size: 1rem;
    padding: 10px 20px;
    line-height: 1.2; 
    text-align: center;
    min-width: 150px; /* Consistent minimum width for action buttons */
}

.modal-actions small {
    font-weight: 400;
    display: block;
    font-size: 0.75rem;
    opacity: 0.9;
}

#inconsistency-details-content pre {
    /* Ensure consistency modal PRE elements also use the light code-block styles for scrolling */
    background: var(--code-bg);
    color: var(--code-text);
    padding: 10px;
    border-radius: 4px;
    border: 1px solid var(--code-border);
    font-size: 0.9rem;
    max-height: 300px;
    overflow: auto;
    white-space: pre;
    word-wrap: normal;
}

/* Consistency Conflict List styling (Enhanced) */
.conflict-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 20px 0;
    border: 1px solid var(--code-border); 
    border-radius: 4px;
    background-color: var(--code-bg);
    max-height: 200px;
    overflow-y: auto;
}

.conflict-list li {
    padding: 8px 10px;
    border-bottom: 1px solid var(--code-border); 
    font-size: 0.95rem;
    display: flex;
    gap: 10px;
    align-items: center;
}

.conflict-list li:last-child {
    border-bottom: none;
}

.conflict-list li:nth-child(even) {
    background-color: transparent;
}

.conflict-list .no-conflicts {
    color: var(--success-color);
    font-weight: 500;
    background-color: #e6f7ef;
    border-radius: 4px;
    padding: 10px;
    margin: 5px;
    border: 1px solid rgba(25, 135, 84, 0.2);
    text-align: center;
}

.conflict-type {
    font-weight: 600;
    color: var(--primary-color);
    background-color: #e9f2ff;
    padding: 2px 6px;
    border-radius: 4px;
}

.conflict-name {
    font-family: monospace;
    font-weight: 500;
    color: var(--text-color);
    flex-grow: 1;
}
/* ------------------------------------------------------------- */


/* Responsive */
@media (max-width: 768px) {
    .config-table th, .config-table td {
        font-size: 0.85rem;
        padding: 8px;
    }
    .container {
        padding: 15px;
    }
    .modal-content {
        width: 95%;
        margin: 10px auto;
    }
    .modal {
        padding-top: 20px;
    }
    #consistency-status-container {
        top: 15px;
        right: 15px;
    }
}