@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Dark Theme (Default) */
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --bg-main: #020617;
    --bg-sidebar: #0f172a;
    --bg-card: #1e293b;
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --border: rgba(255, 255, 255, 0.12);
    --input-bg: rgba(255, 255, 255, 0.03);
    --bg-modifier: var(--bg-sidebar);

    --sidebar-width: 320px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --text-white: #0f172a;
    --text-gray: #64748b;
    --border: rgba(0, 0, 0, 0.1);
    --input-bg: rgba(0, 0, 0, 0.02);
    --bg-modifier: var(--bg-sidebar);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-white);
    height: 100vh;
    overflow: hidden;
}

#layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
aside {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    z-index: 100;
    overflow-y: auto;
}

/* Brand Section Styling */
.brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    padding: 0.25rem;
}

.switch-row {
    display: flex;
    align-items: center;
    padding: 0.25rem 0;
    gap: 0.75rem;
}

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

.brand-icon-container {
    width: 40px;
    height: 40px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.brand-wrapper:hover .brand-icon-container {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.brand-icon {
    width: 22px;
    height: 22px;
    color: var(--primary-light);
}

.brand h1 {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-white);
}

/* Redesigned Theme Toggle */
.theme-toggle {
    width: 36px;
    height: 36px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-gray);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    outline: none;
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--text-white);
    background: rgba(79, 70, 229, 0.05);
}

.theme-toggle i {
    width: 18px;
    height: 18px;
}

.filter-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-gray);
    letter-spacing: 0.05em;
}

.filter-divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 0;
}

input,
select {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    color: var(--text-white);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
}

input:focus,
select:focus {
    border-color: var(--primary);
}

select option {
    background-color: var(--bg-sidebar);
    color: var(--text-white);
}

.range-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-gray);
}

/* Nav links & GitHub */
.sidebar-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.8rem;
    border-radius: 8px;
    color: var(--text-gray);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    background: transparent;
    border: 1px solid transparent;
    text-align: left;
    transition: var(--transition);
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-btn:hover {
    color: var(--text-white);
    background: var(--input-bg);
}

.nav-btn.active {
    color: white;
    background: var(--primary);
    border-color: var(--primary);
}

.github-btn {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.github-btn:hover {
    color: var(--text-white);
    border-color: var(--text-gray);
}

/* Main Content Structure */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    min-width: 0;
}

.main-header {
    padding: 2rem 2.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.main-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
}

.main-header p {
    color: var(--text-gray);
    margin-top: 0.25rem;
}

.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 2.5rem;
    min-width: 0;
}

/* Card Grid (No Shadow) */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.card-badge {
    display: inline-block;
    background: var(--input-bg);
    color: var(--primary-light);
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* Tree View */
.tree-node {
    margin-bottom: 0.2rem;
}

.tree-label {
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.tree-label:hover {
    background: var(--input-bg);
    border-color: var(--border);
}

.tree-icon {
    width: 12px;
    transition: transform 0.2s;
    color: var(--text-gray);
}

.tree-icon.expanded {
    transform: rotate(90deg);
}

.tree-children {
    margin-left: 1.5rem;
    border-left: 1px solid var(--border);
    padding-left: 0.5rem;
}

/* Enhanced Table (Minimalist) */
.table-container {
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

thead th {
    background: var(--bg-sidebar);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    text-align: left;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tr:nth-child(even) td {
    background-color: rgba(255, 255, 255, 0.015);
}

tr:hover td {
    background-color: rgba(79, 70, 229, 0.05) !important;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-card);
    width: 95%;
    max-width: 1100px;
    max-height: 90vh;
    border-radius: 24px;
    border: 1px solid var(--border);
    overflow-y: auto;
    padding: 3rem;
    position: relative;
    transform: scale(0.95) translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.close-modal-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: rotate(90deg);
}

/* Specs Categorization */
.specs-section {
    margin-top: 2.5rem;
}

.specs-section-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--primary-light);
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.specs-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.spec-item {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: var(--transition);
}

.spec-item:hover {
    border-color: rgba(79, 70, 229, 0.3);
}

.spec-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-gray);
    letter-spacing: 0.05em;
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
}

.loader {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-bottom-color: var(--primary);
    border-radius: 50%;
    animation: rotation 1s linear infinite;
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 2000;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.hidden {
    display: none !important;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}