/**
 * Styles for the Internal Link Visualizer admin interface
 */

/* CSS Variables */
:root {
    --intelivi-primary: #0073aa;
    --intelivi-secondary: #00a0d2;
    --intelivi-success: #46b450;
    --intelivi-warning: #ffb900;
    --intelivi-error: #dc3232;
    --intelivi-border: #ddd;
    --intelivi-bg-light: #f9f9f9;
    --intelivi-text-dark: #23282d;
    --intelivi-text-light: #666;
}

/* Admin Page Styles */
.intelivi-admin-page {
    margin: 0;
}

/* Main Layout */
.intelivi-main-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intelivi-sidebar-content {
    position: sticky;
    top: 50px; /* Adjust based on WP admin header height */
}

/* Sidebar Panel (Sitemap Settings) */
.intelivi-sidebar-panel {
    background: #fff;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 16px;
    height: max-content;
    position: sticky;
    top: 64px; /* below wp admin bar */
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.intelivi-sidebar-panel .panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--intelivi-text-dark);
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative; /* anchor for absolute toggle button */
}

.intelivi-sidebar-panel .setting-group {
    border-top: 1px solid var(--intelivi-border);
    padding-top: 12px;
    margin-top: 12px;
}

.intelivi-sidebar-panel .setting-group:first-of-type {
    border-top: 0;
    padding-top: 0;
    margin-top: 0;
}

.intelivi-sidebar-panel h4 {
    margin: 0 0 8px 0;
    font-size: 13px;
    color: var(--intelivi-text-dark);
}

.intelivi-sidebar-panel label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0;
}

.intelivi-sidebar-panel select,
.intelivi-sidebar-panel input[type="range"],
.intelivi-sidebar-panel input[type="search"],
.intelivi-sidebar-panel input[type="text"] {
    width: 100%;
}

.intelivi-layout-status .status-label {
    font-size: 12px;
    color: var(--intelivi-text-light);
    margin-right: 6px;
}

/* Sidebar collapse toggle */
.intelivi-sidebar-toggle {
    padding: 2px 6px;
    line-height: 1;
    position: absolute;
    right: -12px;
    top: 10px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--intelivi-border);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    z-index: 20; /* stay above main content */
}

/* Collapsed state: shrink sidebar and give space to graph */
.intelivi-sidebar-panel.is-collapsed {
    width: 48px;
    padding: 10px 8px;
    overflow: visible; /* allow toggle button to stick out */
}

.intelivi-sidebar-panel.is-collapsed .setting-group,
.intelivi-sidebar-panel.is-collapsed select,
.intelivi-sidebar-panel.is-collapsed input,
.intelivi-sidebar-panel.is-collapsed label,
.intelivi-sidebar-panel.is-collapsed .intelivi-layout-buttons,
.intelivi-sidebar-panel.is-collapsed .intelivi-layout-status,
.intelivi-sidebar-panel.is-collapsed .description {
    display: none !important;
}

.intelivi-sidebar-panel.is-collapsed .panel-title {
    margin: 0;
    min-height: 20px;
    overflow: visible;
}

/* When collapsed, make grid columns 48px + 1fr */
.intelivi-sidebar-collapsed.intelivi-main-layout {
    /* no-op in vertical layout */
}

/* Fullscreen mode: maximize graph area */
.intelivi-admin-page.intelivi-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #fff;
    overflow: hidden;
    padding: 10px 10px 0 10px;
}

.intelivi-admin-page.intelivi-fullscreen h1,
.intelivi-admin-page.intelivi-fullscreen .intelivi-stats-panel,
.intelivi-admin-page.intelivi-fullscreen .intelivi-controls-panel,
.intelivi-admin-page.intelivi-fullscreen .intelivi-advanced-settings,
.intelivi-admin-page.intelivi-fullscreen #intelivi-sitemap-analysis {
    display: none !important;
}

.intelivi-admin-page.intelivi-fullscreen #intelivi-layout-root {
    grid-template-columns: 1fr !important;
}

.intelivi-admin-page.intelivi-fullscreen .intelivi-graph-section {
    height: calc(100vh - 20px);
    margin: 0;
    padding: 10px;
}

.intelivi-admin-page.intelivi-fullscreen .intelivi-graph-container {
    height: calc(100vh - 80px);
}

.intelivi-graph-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.intelivi-fullscreen-btn .dashicons {
    vertical-align: middle;
}

/* Make search + fullscreen align horizontally on the right */
.intelivi-graph-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.intelivi-graph-actions .intelivi-search-container {
    display: inline-flex;
    align-items: center;
}

.intelivi-graph-actions #intelivi-search-input {
    width: 260px; /* fixed width to sit left of the button */
}

.intelivi-admin-page h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

/* Statistics Panel */
.intelivi-stats-panel {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 15px;
}

.intelivi-stat-box {
    text-align: center;
    padding: 15px;
    background: var(--intelivi-bg-light);
    border-radius: 4px;
    border: 1px solid var(--intelivi-border);
}

.intelivi-stat-number {
    font-size: 2em;
    font-weight: bold;
    color: var(--intelivi-primary);
    line-height: 1;
}

.intelivi-stat-label {
    font-size: 0.9em;
    color: var(--intelivi-text-light);
    margin-top: 5px;
}

.intelivi-last-scan {
    text-align: center;
    color: var(--intelivi-text-light);
    font-style: italic;
    margin: 0;
}

/* Controls Panel */
.intelivi-controls-panel {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.intelivi-controls .button {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Progress Bar */
#intelivi-progress-container {
    margin-top: 15px;
}

.intelivi-progress-bar {
    width: 100%;
    height: 20px;
    background: var(--intelivi-bg-light);
    border: 1px solid var(--intelivi-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.intelivi-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--intelivi-primary), var(--intelivi-secondary));
    width: 0%;
    transition: width 0.3s ease;
}

.intelivi-progress-text {
    text-align: center;
    font-size: 0.9em;
    color: var(--intelivi-text-light);
}

/* Settings Panel */
.intelivi-settings-panel {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.intelivi-setting-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.intelivi-setting-group label {
    font-weight: 500;
    color: var(--intelivi-text-dark);
}

.intelivi-setting-group input[type="range"] {
    width: 100%;
}

.intelivi-setting-group select {
    width: 100%;
    max-width: 200px;
}

/* Contrôles de layout */
.intelivi-layout-controls {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 15px 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-layout-controls h3 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
}

.intelivi-layout-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.intelivi-layout-buttons {
    display: flex;
    gap: 10px;
}

.intelivi-search-container {
    position: relative;
    display: flex;
    align-items: center;
}

#intelivi-search-input {
    padding-right: 30px; /* Space for the icon */
    min-width: 220px;
}

.intelivi-search-container .dashicons-search {
    position: absolute;
    right: 8px;
    color: #aaa;
    pointer-events: none; /* Make icon non-interactive */
}

.intelivi-layout-buttons .button {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Graph Section */
.intelivi-graph-section {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-graph-container {
    position: relative;
    width: 100%;
    /* Stable, optimized container */
    background: #fff;
    border: 1px solid var(--intelivi-border);
    border-radius: 6px;
    box-sizing: border-box;
    /* Reliable height: viewport-based with safe minimum */
    min-height: 560px;
    height: 65vh;
    overflow: hidden;
}

/* Make sure Sigma canvases stay below overlay */
.intelivi-graph-container canvas,
.intelivi-graph-container .sigma-container,
.intelivi-graph-container .sigma-scene {
    position: absolute;
    inset: 0;
    z-index: 0 !important;
}

/* Keep any non-overlay direct children under the overlay as well */
.intelivi-graph-container > *:not(.intelivi-loading):not(.intelivi-empty-state) {
    z-index: 0;
}

#intelivi-graph-canvas {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#intelivi-graph-canvas:active {
    cursor: grabbing;
}

/* Loading and Empty States */
.intelivi-loading,
.intelivi-empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    text-align: center;
    color: var(--intelivi-text-light);
    z-index: 50; /* stay above Sigma canvas */
}

.intelivi-spinner {
    width: 54px;
    height: 54px;
    border: 5px solid var(--intelivi-border);
    border-top: 5px solid var(--intelivi-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

/* Subtle dimmed backdrop only for loading (not empty state) */
.intelivi-loading {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(2px);
    z-index: 2147483647 !important; /* max to beat any canvas layering */
}

.intelivi-loading p {
    margin: 0;
    font-size: 15px;
    color: #1c2833;
    text-shadow: 0 1px 2px rgba(255,255,255,0.7);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.intelivi-empty-icon {
    font-size: 4em;
    color: var(--intelivi-border);
    margin-bottom: 15px;
}

.intelivi-empty-state h3 {
    margin: 0 0 10px 0;
    color: var(--intelivi-text-dark);
}

.intelivi-empty-state p {
    margin: 0 0 20px 0;
    max-width: 300px;
}

/* Node Information */
.intelivi-node-info {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 300px;
    background: #fff;
    border: 1px solid #ccd0d4;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    z-index: 100;
    display: none; /* Initially hidden */
}

.intelivi-node-info h3 {
    margin-top: 0;
    font-size: 16px;
}

#intelivi-close-node-info {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

#intelivi-close-node-info .dashicons {
    font-size: 20px;
    color: #666;
}

#intelivi-close-node-info:hover .dashicons {
    color: #000;
}

.intelivi-node-info h3 {
    margin: 0 0 15px 0;
    color: var(--intelivi-text-dark);
}

#intelivi-close-node-info {
    float: right;
    margin-top: 10px;
}

/* Advanced Settings */
.intelivi-advanced-settings {
    background: white;
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.intelivi-toggle-advanced {
    width: 100%;
    padding: 15px 20px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--intelivi-text-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
}

.intelivi-toggle-advanced:hover {
    background: var(--intelivi-bg-light);
}

.intelivi-advanced-content {
    padding: 0 20px 20px;
    border-top: 1px solid var(--intelivi-border);
}

/* Messages and Notifications */
.intelivi-message {
    padding: 10px 15px;
    border-radius: 4px;
    margin: 10px 0;
}

.intelivi-message.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.intelivi-message.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.intelivi-message.warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

/* Orphan Nodes Container */
.intelivi-orphan-nodes-container {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 280px;
    max-height: calc(100% - 30px);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--intelivi-border);
    border-radius: 4px;
    padding: 15px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.intelivi-orphan-category h5 {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: bold;
    color: var(--intelivi-text-dark);
    border-bottom: 1px solid var(--intelivi-border);
    padding-bottom: 8px;
}

.intelivi-orphan-category:not(:last-child) {
    margin-bottom: 15px;
}

.intelivi-orphan-category ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.intelivi-orphan-category li {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

.intelivi-node-color-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

.intelivi-orphan-category li a {
    text-decoration: none;
    color: var(--intelivi-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.intelivi-orphan-category li:hover a {
    text-decoration: underline;
    color: var(--node-color) !important;
}

/* Responsive */
@media (max-width: 1200px) {
    .intelivi-main-layout {
        grid-template-columns: 1fr;
    }

    .intelivi-sidebar-panel {
        position: static;
        top: auto;
    }

    .intelivi-graph-container {
        height: 600px;
    }
    
    .intelivi-node-info {
        width: 100%;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .intelivi-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intelivi-settings-grid {
        grid-template-columns: 1fr;
    }
    
    .intelivi-controls {
        flex-direction: column;
    }
    
    .intelivi-controls .button {
        width: 100%;
        justify-content: center;
    }
    
    .intelivi-graph-container {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .intelivi-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .intelivi-layout-buttons {
        flex-direction: column;
    }
    
    .intelivi-layout-buttons .button {
        width: 100%;
        justify-content: center;
    }
}

/* Animations */
.intelivi-fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.intelivi-slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { 
        transform: translateX(100%);
        opacity: 0;
    }
    to { 
        transform: translateX(0);
        opacity: 1;
    }
}

/* Utilities */
.intelivi-hidden {
    display: none !important;
}

.intelivi-text-center {
    text-align: center;
}

.intelivi-text-muted {
    color: var(--intelivi-text-light);
}

.intelivi-mb-0 {
    margin-bottom: 0 !important;
}

.intelivi-mt-20 {
    margin-top: 20px !important;
}

/* Action Messages in Controls Panel */
#intelivi-action-messages {
    margin-top: 15px;
}

#intelivi-action-messages .intelivi-message {
    padding: 12px 15px;
    border-radius: 4px;
    border: 1px solid transparent;
    text-align: center;
    font-weight: 500;
    animation: fadeIn 0.3s ease-in;
}

#intelivi-action-messages .intelivi-message.is-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

#intelivi-action-messages .intelivi-message.is-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* Analytics badges */
.intelivi-badge {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--intelivi-border);
}
.intelivi-badge.good {
    background: #e8f5e9;
    color: #1b5e20;
    border-color: #c8e6c9;
}
.intelivi-badge.warning {
    background: #fff3cd;
    color: #856404;
    border-color: #ffeaa7;
}