/* ====================================================
   NEKSIO TOOLS INDEX DIRECTORY STYLES (SCOPED)
   Namespace: .neksio-tools-index
   ==================================================== */

:root {
    --nek-idx-bg: #0b0f19;
    --nek-idx-surface: #111827;
    --nek-idx-card-bg: #1f293d;
    --nek-idx-card-hover: #2a3754;
    --nek-idx-border: #2e3d5b;
    --nek-idx-border-light: #374151;
    
    --nek-idx-primary: #6366f1;
    --nek-idx-primary-hover: #4f46e5;
    --nek-idx-primary-glow: rgba(99, 102, 241, 0.25);
    
    --nek-idx-emerald: #10b981;
    --nek-idx-emerald-bg: rgba(16, 185, 129, 0.12);
    
    --nek-idx-text-main: #f3f4f6;
    --nek-idx-text-muted: #9ca3af;
    --nek-idx-text-subtle: #6b7280;
    
    --nek-idx-radius-sm: 8px;
    --nek-idx-radius-md: 12px;
    --nek-idx-radius-lg: 16px;
    --nek-idx-radius-full: 9999px;
    
    --nek-idx-shadow-md: 0 6px 16px rgba(0, 0, 0, 0.3);
    --nek-idx-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --nek-idx-bg: #f8fafc;
    --nek-idx-surface: #ffffff;
    --nek-idx-card-bg: #ffffff;
    --nek-idx-card-hover: #f1f5f9;
    --nek-idx-border: #e2e8f0;
    --nek-idx-border-light: #cbd5e1;
    
    --nek-idx-text-main: #0f172a;
    --nek-idx-text-muted: #475569;
    --nek-idx-text-subtle: #64748b;
    --nek-idx-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.neksio-tools-index {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--nek-idx-text-main);
    background-color: var(--nek-idx-bg);
    padding: 32px 0;
    border-radius: var(--nek-idx-radius-lg);
    transition: var(--nek-idx-transition);
}

/* HEADER & THEME TOGGLE */
.nek-idx-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.nek-idx-main-heading {
    font-size: 32px;
    font-weight: 800;
    color: var(--nek-idx-text-main);
    letter-spacing: -0.5px;
    margin: 0 0 6px 0;
}

.nek-idx-subheading {
    font-size: 15px;
    color: var(--nek-idx-text-muted);
    margin: 0;
    max-width: 680px;
}

.nek-idx-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nek-theme-toggle {
    background: var(--nek-idx-surface);
    border: 1px solid var(--nek-idx-border);
    color: var(--nek-idx-text-main);
    padding: 8px 16px;
    border-radius: var(--nek-idx-radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--nek-idx-transition);
}

.nek-theme-toggle:hover {
    border-color: var(--nek-idx-primary);
}

[data-theme="light"] .nek-theme-icon-light { display: none; }
[data-theme="light"] .nek-theme-icon-dark { display: inline; }
[data-theme="dark"] .nek-theme-icon-light { display: inline; }
[data-theme="dark"] .nek-theme-icon-dark { display: none; }

.nek-idx-total-badge {
    background: var(--nek-idx-emerald-bg);
    color: var(--nek-idx-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 6px 14px;
    border-radius: var(--nek-idx-radius-full);
    font-size: 12px;
    font-weight: 700;
}

/* SEARCH BAR */
.nek-idx-search-box {
    margin-bottom: 24px;
}

.nek-idx-search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.nek-idx-search-svg {
    position: absolute;
    left: 18px;
    width: 20px;
    height: 20px;
    color: var(--nek-idx-text-muted);
}

.nek-idx-search-input {
    width: 100%;
    height: 52px;
    padding: 0 48px 0 50px;
    background-color: var(--nek-idx-surface);
    border: 2px solid var(--nek-idx-border);
    border-radius: var(--nek-idx-radius-md);
    color: var(--nek-idx-text-main);
    font-size: 15px;
    font-weight: 500;
    transition: var(--nek-idx-transition);
}

.nek-idx-search-input:focus {
    outline: none;
    border-color: var(--nek-idx-primary);
    box-shadow: 0 0 0 4px var(--nek-idx-primary-glow);
}

.nek-idx-search-clear {
    position: absolute;
    right: 14px;
    background: transparent;
    border: none;
    color: var(--nek-idx-text-muted);
    font-size: 16px;
    cursor: pointer;
}

/* CATEGORY TABS */
.nek-idx-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--nek-idx-border);
}

.nek-idx-tab-btn {
    background: var(--nek-idx-surface);
    border: 1px solid var(--nek-idx-border);
    color: var(--nek-idx-text-muted);
    padding: 8px 16px;
    border-radius: var(--nek-idx-radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--nek-idx-transition);
}

.nek-idx-tab-btn:hover {
    color: var(--nek-idx-text-main);
    border-color: var(--nek-idx-border-light);
}

.nek-idx-tab-btn.active {
    background: var(--nek-idx-primary);
    color: #ffffff;
    border-color: var(--nek-idx-primary);
}

.nek-idx-tab-count {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: var(--nek-idx-radius-full);
    background: rgba(255, 255, 255, 0.15);
}

/* CATEGORY BLOCK & GRID */
.nek-idx-cat-block {
    margin-bottom: 40px;
}

.nek-idx-cat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.nek-idx-cat-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--nek-idx-text-main);
    margin: 0;
}

.nek-idx-cat-badge {
    font-size: 12px;
    color: var(--nek-idx-text-muted);
    background: var(--nek-idx-surface);
    padding: 4px 10px;
    border-radius: var(--nek-idx-radius-full);
    border: 1px solid var(--nek-idx-border);
}

.nek-idx-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

/* TOOL CARD */
.nek-idx-card {
    background-color: var(--nek-idx-card-bg);
    border: 1px solid var(--nek-idx-border);
    border-radius: var(--nek-idx-radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    transition: var(--nek-idx-transition);
}

.nek-idx-card:hover {
    transform: translateY(-3px);
    border-color: var(--nek-idx-primary);
    background-color: var(--nek-idx-card-hover);
    box-shadow: var(--nek-idx-shadow-md);
}

.nek-idx-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.nek-idx-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--nek-idx-radius-sm);
    background: rgba(99, 102, 241, 0.1);
    color: var(--nek-idx-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nek-idx-free-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--nek-idx-emerald);
    background: var(--nek-idx-emerald-bg);
    padding: 2px 8px;
    border-radius: var(--nek-idx-radius-full);
}

.nek-idx-tool-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--nek-idx-text-main);
    margin: 0 0 6px 0;
}

.nek-idx-tool-desc {
    font-size: 13px;
    color: var(--nek-idx-text-muted);
    line-height: 1.4;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nek-idx-keywords-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.nek-idx-kw-tag {
    font-size: 10px;
    color: var(--nek-idx-text-subtle);
    background: var(--nek-idx-surface);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--nek-idx-border-light);
}

.nek-idx-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--nek-idx-border);
    margin-top: 12px;
}

.nek-idx-cat-tag {
    font-size: 11px;
    color: var(--nek-idx-text-subtle);
    font-weight: 600;
}

.nek-idx-cta {
    font-size: 12px;
    font-weight: 700;
    color: var(--nek-idx-primary);
}

/* EXPLORE ALL CATEGORY BUTTON */
.nek-idx-explore-wrapper {
    text-align: center;
    margin-top: 16px;
}

.nek-idx-explore-btn {
    background: var(--nek-idx-surface);
    border: 1px solid var(--nek-idx-border);
    color: var(--nek-idx-primary);
    padding: 10px 20px;
    border-radius: var(--nek-idx-radius-full);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--nek-idx-transition);
}

.nek-idx-explore-btn:hover {
    background: var(--nek-idx-primary);
    color: #ffffff;
}

/* BACK TO TOP */
.neksio-back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--nek-idx-primary);
    color: #ffffff;
    border: none;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nek-idx-transition);
}

.neksio-back-to-top:hover {
    transform: translateY(-3px);
    background: var(--nek-idx-primary-hover);
}

.neksio-back-to-top:focus-visible {
    outline: 3px solid #818cf8;
    outline-offset: 2px;
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1023px) {
    .nek-idx-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .nek-idx-main-heading { font-size: 24px; }
    .nek-idx-grid {
        grid-template-columns: 1fr;
    }
}