/* --- Custom Fonts & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Dark Theme Defaults */
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --card-border: rgba(48, 54, 61, 0.6);
    --text-color: #f0f6fc;
    --text-muted: #8b949e;
    --primary-color: #8FC31F;
    --primary-hover: #7eb11b;
    --accent-color: #8FC31F;
    --control-bg: #21262d;
    --control-border: #30363d;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color-1: rgba(143, 195, 31, 0.15);
    --glow-color-2: rgba(143, 195, 31, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-color: #f6f8fa;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(208, 213, 221, 0.6);
    --text-color: #1f2328;
    --text-muted: #656d76;
    --primary-color: #8FC31F;
    --primary-hover: #7eb11b;
    --accent-color: #8FC31F;
    --control-bg: #ffffff;
    --control-border: #d0d5dd;
    --shadow-color: rgba(140, 149, 159, 0.15);
    --glow-color-1: rgba(143, 195, 31, 0.08);
    --glow-color-2: rgba(143, 195, 31, 0.08);
}

body {
    font-family: 'Outfit', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Background Glow Sphere --- */
.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.8;
    transition: background var(--transition-slow);
}

.sphere-1 {
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--glow-color-1);
    animation: floatGlow 12s infinite alternate ease-in-out;
}

.sphere-2 {
    bottom: -10%;
    left: -10%;
    width: 45vw;
    height: 45vw;
    background: var(--glow-color-2);
    animation: floatGlow 15s infinite alternate-reverse ease-in-out;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(4%, 4%) scale(1.1); }
}

/* --- Header --- */
header {
    padding: 24px 0;
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: rgba(13, 17, 23, 0.4);
}
body.light-theme header {
    background-color: rgba(246, 248, 250, 0.4);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: var(--primary-color);
    animation: rotateSparkle 4s linear infinite;
}

@keyframes rotateSparkle {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-color) 30%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Theme Toggle Switch --- */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.toggle-track {
    width: 44px;
    height: 24px;
    border-radius: 12px;
    background-color: var(--control-bg);
    border: 1px solid var(--control-border);
    position: relative;
    transition: background-color var(--transition-fast);
}

.toggle-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--text-color);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

body.light-theme .toggle-thumb {
    transform: translateX(20px);
}

/* --- Card Base (Glassmorphic) --- */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
    backdrop-filter: blur(16px);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

/* --- Layout --- */
main {
    flex: 1;
    padding-top: 40px;
    padding-bottom: 60px;
}

.dashboard-layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 32px;
}

@media (min-width: 992px) {
    .dashboard-layout {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* --- Left Sidebar Panel --- */
.sidebar {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

@media (min-width: 992px) {
    .sidebar {
        width: 320px;
        flex-shrink: 0;
        position: sticky;
        top: 32px;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 16px;
}

.sidebar-header .logo h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
}

.sidebar-header .logo-icon {
    font-size: 16px;
    color: var(--primary-color);
    margin-right: 4px;
}

/* Sidebar Search */
.sidebar-search {
    position: relative;
    width: 100%;
}

.sidebar-search input {
    width: 100%;
    height: 42px;
    padding: 0 16px 0 42px;
    border-radius: 10px;
    border: 1px solid var(--control-border);
    background-color: var(--control-bg);
    color: var(--text-color);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sidebar-search input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(143, 195, 31, 0.15);
}

.sidebar-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Sidebar Controls */
.sidebar-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 20px;
}

.control-colors {
    display: flex;
    gap: 16px;
    align-items: center;
}

.picker-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    white-space: nowrap;
}

.picker-item input[type="color"] {
    position: absolute;
    opacity: 0;
    width: 20px;
    height: 20px;
    cursor: pointer;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.color-indicator {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    border: 1px solid var(--control-border);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
    transition: transform var(--transition-fast);
}

.picker-item:hover .color-indicator {
    transform: scale(1.15);
}

.picker-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.control-sliders {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.slider-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-label {
    font-size: 12.5px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
}

.slider-label strong {
    color: var(--text-color);
}

.slider-item input[type="range"] {
    width: 100%;
    accent-color: var(--primary-color);
    margin-top: 0;
    height: 6px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Sidebar Categories list */
.sidebar-categories {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.categories-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.categories-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-muted);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.category-item:hover {
    background-color: var(--control-bg);
    color: var(--text-color);
}

.category-item.active {
    background-color: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
}

.category-item.active .cat-count {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.cat-count {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    background-color: var(--control-bg);
    color: var(--text-muted);
    font-family: monospace;
}

/* --- Right Side Main Content --- */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

/* No Results fallback styling */
.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    color: var(--text-muted);
    gap: 16px;
    text-align: center;
}

.no-results-icon {
    font-size: 32px;
    opacity: 0.5;
}


.btn-icon-only {
    width: 42px;
    height: 42px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

/* Range Sliders */
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-value {
    font-size: 12px;
    font-weight: bold;
    color: var(--primary-color);
    font-family: monospace;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--control-border);
    outline: none;
    margin-top: 10px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--primary-color);
}

/* Checkbox */
.checkbox-group {
    margin-top: 24px;
    margin-bottom: 24px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
    color: var(--text-color);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark-box {
    position: absolute;
    top: 1px;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: var(--control-bg);
    border: 1px solid var(--control-border);
    border-radius: 4px;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark-box {
    border-color: var(--primary-color);
}

.checkbox-container input:checked ~ .checkmark-box {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark-box:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark-box:after {
    display: block;
}

.checkbox-container .checkmark-box:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 0 12px rgba(88, 166, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--control-border);
}

.btn-secondary:hover {
    background-color: var(--control-bg);
    border-color: var(--text-muted);
}

/* --- Main Grid Area --- */
.icons-grid-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
}

.header-info {
    flex: 1;
    min-width: 280px;
}

.header-info h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--text-color) 40%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-info p {
    color: var(--text-muted);
    font-size: 14px;
}

.header-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

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

.search-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.search-box input {
    height: 42px;
    padding: 0 16px 0 40px;
    background-color: var(--control-bg);
    border: 1px solid var(--control-border);
    border-radius: 10px;
    color: var(--text-color);
    font-size: 14px;
    width: 200px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    width: 280px;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

/* Categories Layout */
.categories-container {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.category-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-margin-top: 100px;
}

.category-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
}

#section-distribution .category-header {
    border-left-color: #58a6ff;
}

#section-software .category-header {
    border-left-color: #A2D149;
}

#section-custom .category-header {
    border-left-color: #bc8cff;
}

#section-hardware-features .category-header {
    border-left-color: #ff8800;
}

#section-ai-computing .category-header {
    border-left-color: #ff3b30;
}

.cat-tag {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 6px;
}

.tag-blue {
    background-color: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
}

.tag-green {
    background-color: rgba(162, 209, 73, 0.15);
    color: #A2D149;
}

.tag-purple {
    background-color: rgba(188, 140, 255, 0.15);
    color: #bc8cff;
}

.tag-orange {
    background-color: rgba(255, 136, 0, 0.15);
    color: #ff8800;
}

.tag-crimson {
    background-color: rgba(255, 59, 48, 0.15);
    color: #ff3b30;
}

.category-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: -0.2px;
}

.icons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 16px;
}

/* Icon Card - Compact Lucide Style */
.icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    aspect-ratio: 1 / 1;
}

.icon-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(143, 195, 31, 0.1);
    z-index: 15;
}

body.light-theme .icon-card:hover {
    box-shadow: 0 6px 16px rgba(143, 195, 31, 0.08);
}

.svg-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    transition: transform var(--transition-normal);
}

.icon-card:hover .svg-container {
    transform: scale(1.1);
}

.vector-svg {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}

.icon-card {
    position: relative;
}

/* Sleek Floating Tooltip */
.icon-card::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 112%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background-color: var(--text-color);
    color: var(--bg-color);
    font-size: 11px;
    font-family: monospace;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 6px;
    box-shadow: 0 4px 14px var(--shadow-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 10;
    white-space: nowrap;
    border: 1px solid var(--card-border);
}

.icon-card:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.grid-header-compact {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 12px;
}

.grid-header-compact h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-bottom: 4px;
}

.grid-header-compact p {
    color: var(--text-muted);
    font-size: 13.5px;
}

/* --- Micro-Animations on Hover --- */
.icon-card:hover .svg-container {
    transform: scale(1.15) rotate(2deg);
}

/* --- Modal Popup --- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-backdrop.show .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-preview-box {
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0%, transparent 80%), rgba(0, 0, 0, 0.25);
    border: 1px solid var(--control-border);
    border-radius: 12px;
    padding: 40px;
    min-height: 180px;
}

body.light-theme .modal-preview-box {
    background: radial-gradient(circle at center, rgba(255,255,255,1) 0%, rgba(200,200,200,0.04) 100%), rgba(255, 255, 255, 0.5);
}

.modal-preview-box svg {
    width: 120px;
    height: 120px;
    max-width: 100%;
    max-height: 100%;
}

.modal-body pre {
    background-color: var(--control-bg);
    border: 1px solid var(--control-border);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    font-family: monospace;
    font-size: 13px;
    color: var(--primary-color);
    max-height: 200px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* --- Toast Alert --- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: #8FC31F;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 200;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* --- SVG Vector Path Defaults --- */
.svg-border {
    fill: none;
    transition: stroke var(--transition-fast), opacity var(--transition-fast);
}

.svg-primary {
    fill: none;
    transition: stroke var(--transition-fast), stroke-width var(--transition-fast);
}

.svg-accent {
    fill: none;
    transition: stroke var(--transition-fast), stroke-width var(--transition-fast);
}

/* Background fills within SVG components */
body.light-theme .bg-fill {
    fill: #ffffff !important;
}
body.light-theme .svg-hole {
    fill: #ffffff !important;
}
body.dark-theme .bg-fill {
    fill: #0d1117 !important;
}
body.dark-theme .svg-hole {
    fill: #0d1117 !important;
}

/* --- Footer --- */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--card-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: auto;
}