:root {
    --brand-primary: #0066FF;
    --brand-secondary: #6366F1;
    --brand-accent: #F59E0B;
    --brand-success: #10B981;
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #1c1c1e;
    --text-primary: #E0E0E0;
    --text-secondary: #B3B3B3;
    --card-border-color: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(0, 102, 255, 0.2);
}

[data-theme="light"] {
    --bg-primary: #FFFFFF;
    --bg-secondary: #f7f9fc;
    --bg-tertiary: #edf2f7;
    --text-primary: #1A1A1A;
    --text-secondary: #555555;
    --card-border-color: rgba(229, 231, 235, 1);
    --card-hover-border: rgba(0, 102, 255, 0.4);
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
    width: 100%;
    max-width: 100vw;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: clip;
    width: 100%;
    max-width: 100vw;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    transition: background-color 0.5s ease, color 0.5s ease;
}

::selection {
    background-color: rgba(0, 102, 255, 0.2) !important;
    color: var(--brand-primary) !important;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.liquid-glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.category-group {
    border-bottom: 1px solid var(--card-border-color);
}
.category-group:last-child {
    border-bottom: none;
}
.active-category-btn {
    color: var(--brand-primary) !important;
    font-weight: 800 !important;
    background-color: rgba(0, 102, 255, 0.08) !important;
}

.category-accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.category-accordion-inner {
    overflow: hidden;
}
.category-group.open .category-accordion-content {
    grid-template-rows: 1fr;
}
.category-group.open .accordion-arrow {
    transform: rotate(180deg);
    color: var(--brand-primary);
}

#mobile-category-drawer.open,
#mobile-search-drawer.open {
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}
#mobile-category-drawer.open #mobile-drawer-content,
#mobile-search-drawer.open #mobile-search-content {
    transform: translateY(0) !important;
}

.cat-main-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 0.5rem;
    text-align: right;
    transition: color 0.2s ease;
    cursor: pointer;
}
.cat-main-btn:hover {
    color: var(--brand-primary);
}

.cat-sub-btn {
    width: 100%;
    text-align: right;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 0.5rem;
}
.cat-sub-btn:hover,
.cat-sub-btn.active-sub {
    color: var(--brand-primary);
    background-color: rgba(0, 102, 255, 0.06);
}

.article-cat-label {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.95);
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    z-index: 10;
    pointer-events: none;
    letter-spacing: 0.5px;
}

.meta-icon-wrapper {
    transition: all 0.2s ease;
}
.meta-icon-wrapper:hover.like-btn i {
    color: var(--brand-accent);
    transform: scale(1.2);
}
.meta-icon-wrapper:hover.like-btn span {
    color: var(--brand-accent);
}
.meta-icon-wrapper:hover.save-btn i {
    color: var(--brand-success);
    transform: scale(1.2);
}
.meta-icon-wrapper:hover.save-btn span {
    color: var(--brand-success);
}

.carousel-container {
    perspective: 1000px;
}
.carousel-track {
    display: flex;
    will-change: transform;
    cursor: grab;
}
.carousel-track:active {
    cursor: grabbing;
}
.carousel-slide {
    min-width: 100%;
    padding: 0 4px;
    box-sizing: border-box;
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    transition: all 0.3s ease;
    opacity: 0;
}
.carousel-container:hover .carousel-nav-btn {
    opacity: 1;
}
.carousel-nav-btn:hover {
    background: var(--brand-primary);
    transform: translateY(-50%) scale(1.1);
}
.carousel-prev {
    left: 16px;
}
.carousel-next {
    right: 16px;
}

.mobile-track {
    will-change: transform, scroll-position;
}
.mobile-track.active {
    cursor: grabbing !important;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--card-border-color);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}
.pagination-btn:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}
.pagination-btn.active {
    background-color: var(--brand-primary);
    color: #ffffff;
    border-color: var(--brand-primary);
}

#magazine-content section,
#magazine-content .mobile-carousel-section,
.mobile-carousel-section {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

#backToTop {
    display: none !important;
}

.carousel-container {
    user-select: none;
    -webkit-user-select: none;
    cursor: grab;
}
.carousel-container:active {
    cursor: grabbing;
}
.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
    height: 100%;
}
.carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    min-width: 100%;
    height: 100%;
    user-select: none;
    -webkit-user-select: none;
}
.carousel-slide img,
.carousel-container img {
    -webkit-user-drag: none;
    user-drag: none;
    pointer-events: none;
}
.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    z-index: 20;
    cursor: pointer;
    transition: all 0.2s ease;
}
.carousel-nav-btn:hover {
    color: var(--brand-primary);
    transform: translateY(-50%) scale(1.08);
}
.carousel-prev {
    right: 1rem;
}
.carousel-next {
    left: 1rem;
}