/* ==========================================================================
   VARIABLES DE DESIGN ET SYSTEME DE CONFIGURATION DES COULEURS (THEMING)
   ========================================================================== */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: #4f46e5;
    --accent-hover: #4338ca;
    --accent-light: #e0e7ff;
    --border-color: #e2e8f0;
    
    --success-bg: #dcfce7;
    --success-text: #166534;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --info-bg: #e0f2fe;
    --info-text: #0369a1;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #131c2e;
    --bg-tertiary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-color: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.15);
    --border-color: #223049;
    
    --success-bg: rgba(22, 101, 52, 0.2);
    --success-text: #4ade80;
    --warning-bg: rgba(146, 64, 14, 0.2);
    --warning-text: #fbbf24;
    --info-bg: rgba(3, 105, 161, 0.2);
    --info-text: #38bdf8;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
}

/* ==========================================================================
   RÈGLES DE RÉINITIALISATION ET STRUCTURATION DE BASE (RESET)
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.visual-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
}

/* ==========================================================================
   HEADER ET TOP BAR NAVIGATION
   ========================================================================== */
.app-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-placeholder {
    background: linear-gradient(135deg, var(--accent-color), #818cf8);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.brand-wrapper h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.brand-wrapper h1 span {
    color: var(--accent-color);
}

.brand-wrapper .subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.action-btn {
    background-color: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition-smooth);
}

.action-btn:hover {
    background-color: var(--accent-light);
    color: var(--accent-color);
}

.counter-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    border: 2px solid var(--bg-secondary);
}

/* ==========================================================================
   ZONE CORE : CONTAINER & RECHERCHE INSTANTANÉE
   ========================================================================== */
.main-content {
    max-width: 1400px;
    margin: 2.5rem auto;
    padding: 0 2rem;
}

.search-and-stats-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-box-wrapper {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

#instantSearchInput {
    width: 100%;
    padding: 1.1rem 1.5rem 1.1rem 3.5rem;
    font-size: 1.1rem;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    outline: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

#instantSearchInput:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.metrics-container {
    display: flex;
    justify-content: flex-start;
}

.metric-pill {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.metric-label { color: var(--text-secondary); }
.metric-value { font-weight: 700; color: var(--accent-color); }

/* ==========================================================================
   PANNEAU DE FILTRATION (SCROLLABLE & CHECKBOXES)
   ========================================================================== */
.filter-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.category-scroll-container {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.category-scroll-container::-webkit-scrollbar {
    height: 5px;
}
.category-scroll-container::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
}

.category-pill {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    cursor: pointer;
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.category-pill:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: var(--bg-primary);
}

.category-pill.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.functional-filters-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.checkbox-filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.checkbox-filter-btn input {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
}

.checkbox-filter-btn:has(input:checked) {
    background-color: var(--accent-light);
    color: var(--accent-color);
}

.sort-selector-wrapper {
    margin-left: auto;
}

@media (max-width: 768px) {
    .sort-selector-wrapper { margin-left: 0; width: 100%; }
}

.custom-select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    width: 100%;
}

/* ==========================================================================
   GRILLE ET COMPOSANTS CARTES (AI CARDS ARCHITECTURE)
   ========================================================================== */
.cards-grid-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.75rem;
}

.ai-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease, border-color 0.3s ease;
    animation: fadeInAnimation 0.4s ease forwards;
}

@keyframes fadeInAnimation {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

/* En-tête des Cartes */
.card-header {
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    border-bottom: 1px solid var(--bg-tertiary);
}

.logo-box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.logo-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fallback-logo {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--accent-color);
    text-transform: uppercase;
}

.title-meta-group {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 0;
}

.tool-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-editor {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-actions {
    display: flex;
    gap: 0.25rem;
}

.card-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.card-action-btn:hover {
    background-color: var(--bg-tertiary);
}

.card-action-btn.active.fav-btn { color: #ef4444; fill: #ef4444; }
.card-action-btn.active.comp-btn { color: var(--accent-color); }

/* Corps des Cartes */
.card-body {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-badge {
    align-self: flex-start;
    background-color: var(--accent-light);
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
}

.tool-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.tag-item {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Pied des Cartes */
.card-footer {
    padding: 1.25rem;
    background-color: var(--bg-tertiary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
}

.tech-spec-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.badge-free { background-color: var(--success-bg); color: var(--success-text); }
.badge-premium { background-color: var(--warning-bg); color: var(--warning-text); }
.badge-lang { background-color: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-secondary); }
.badge-api { background-color: var(--info-bg); color: var(--info-text); }

.visit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.visit-btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

/* ==========================================================================
   ETATS STANDARDS & TIROIR DE COMPARATION (DRAWER)
   ========================================================================== */
.empty-state-fallback {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    color: var(--text-secondary);
}

.empty-state-fallback svg { margin-bottom: 1rem; color: var(--text-muted); }
.empty-state-fallback h3 { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-primary); }
.hidden { display: none !important; }

.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.btn-primary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.8rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

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

/* Le Tiroir Coulissant Comparateur */
.comparison-drawer {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: var(--bg-secondary);
    border-top: 2px solid var(--accent-color);
    box-shadow: 0 -10px 25px rgba(0,0,0,0.15);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    padding: 1.5rem 2rem;
}

.comparison-drawer.open {
    transform: translateY(0);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.drawer-body {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 850px) {
    .drawer-body { grid-template-columns: 1fr; }
    .comparison-drawer { overflow-y: auto; max-height: 80vh; }
}

.compare-col-item {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
}

.remove-compare-item-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-weight: bold;
}

/* ==========================================================================
   FOOTER (PIED DE PAGE)
   ========================================================================== */
.app-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    margin-top: 5rem;
    text-align: center;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tech-stack-mention {
    font-size: 0.75rem;
    color: var(--text-muted);
}