/* ==========================================================================
   TechClever - Tech, Gaming & Productivity Platform
   Cyber Purple + Neon Green theme with shared layout system
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS RESET & CUSTOM PROPERTIES (VARIABLES)
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img { max-width: 100%; height: auto; }

:root {
    --tc-primary: #7C3AED;
    --tc-dark: #6D28D9;
    --tc-light: #8B5CF6;
    --tc-secondary: #10B981;
    --tc-secondary-dark: #059669;
    --tc-accent: #F59E0B;
    --tc-bg: #F5F3FF;
    --text-dark: #1a1a1a;
    --text-gray: #555;
    --white: #ffffff;
    --border-gray: #e0e0e0;
    --hover-tint: #EDE9FE;
    --header-h: 56px;

    /* Genre colors (games) */
    --genre-action: #DC2626;
    --genre-rpg: #7C3AED;
    --genre-strategy: #2563EB;
    --genre-puzzle: #D97706;
    --genre-simulation: #059669;
    --genre-adventure: #9333EA;

    /* Category colors */
    --cat-games: #DC2626;
    --cat-ai: #7C3AED;
    --cat-dev: #2563EB;
    --cat-productivity: #059669;
    --cat-hardware: #D97706;
    --cat-about: #6B7280;
}

body {
    font-family: 'Segoe UI', 'Open Sans', 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
    scrollbar-width: none;
}
body::-webkit-scrollbar {
    display: none;
}

/* ==========================================================================
   2. HEADER
   ========================================================================== */
.header {
    background: var(--tc-primary);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 2rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: var(--white);
    border-radius: 50%;
    padding: 3px;
}

.nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav a:hover {
    opacity: 0.8;
}

.nav a.active {
    border-bottom: 2px solid var(--tc-secondary);
    padding-bottom: 2px;
}

/* Language Switcher */
.lang-select {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    outline: none;
}

.lang-select option {
    background: var(--white);
    color: var(--text-dark);
}

/* Mobile hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   3. HERO SECTION (Purple Gradient)
   ========================================================================== */
.hero {
    background: linear-gradient(to bottom, var(--tc-primary) 0%, #A78BFA 20%, #C4B5FD 40%, #EDE9FE 55%, #ffffff 75%);
    color: var(--tc-dark);
    padding: 4rem 2rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    display: none;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    position: relative;
    display: inline-block;
    background: rgba(255,255,255,0.85);
    padding: 0.8rem 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(124,58,237,0.15);
    text-shadow: none;
    max-width: 100%;
    box-sizing: border-box;
    max-width: 100%;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 1.5rem auto;
    opacity: 0.95;
    position: relative;
}

.hero p.hero-stats {
    margin: 0 auto 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.hero-date {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-top: 0.5rem;
    position: relative;
}

/* ==========================================================================
   4. CONTAINER & SECTION
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--tc-dark);
}

.section-subtitle {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* ==========================================================================
   5. CARDS GRID
   ========================================================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ==========================================================================
   6. CARD BASE STYLES
   ========================================================================== */
.card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 3px solid var(--tc-primary);
    padding: 1.25rem;
    border-radius: 6px;
    transition: box-shadow 0.3s, transform 0.2s, background 0.3s;
    display: block;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(124,58,237,0.12);
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--white) 0%, var(--hover-tint) 100%);
}

a.card {
    text-decoration: none;
    color: inherit;
}

.card-content {
    flex: 1;
}

.card-icon {
    font-size: 1.5rem;
    margin-bottom: 0;
    display: inline-block;
    vertical-align: middle;
    margin-right: 0.5rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--tc-dark);
    display: inline;
    vertical-align: middle;
}

.card-description {
    color: var(--text-gray);
    font-size: 0.88rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    margin-top: 0.3rem;
}

.card-link {
    display: block;
    margin-top: 0.5rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--tc-primary);
}

/* Category border accents for cards */
.card[data-category="games"] { border-left-color: var(--cat-games); }
.card[data-category="ai"] { border-left-color: var(--cat-ai); }
.card[data-category="dev"] { border-left-color: var(--cat-dev); }
.card[data-category="productivity"] { border-left-color: var(--cat-productivity); }
.card[data-category="hardware"] { border-left-color: var(--cat-hardware); }

/* ==========================================================================
   7. GAME CARDS
   ========================================================================== */
.game-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 4px solid var(--tc-primary);
    transition: box-shadow 0.3s, transform 0.2s;
}

.game-card:hover {
    box-shadow: 0 4px 16px rgba(124,58,237,0.12);
    transform: translateY(-2px);
}

/* Genre border accents for game cards */
.game-card[data-genre="action"] { border-left-color: var(--genre-action); }
.game-card[data-genre="rpg"] { border-left-color: var(--genre-rpg); }
.game-card[data-genre="strategy"] { border-left-color: var(--genre-strategy); }
.game-card[data-genre="puzzle"] { border-left-color: var(--genre-puzzle); }
.game-card[data-genre="simulation"] { border-left-color: var(--genre-simulation); }
.game-card[data-genre="adventure"] { border-left-color: var(--genre-adventure); }

.game-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.game-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.game-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}

.game-card-desc {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* "Why Play This" highlight box */
.game-card-why {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #EDE9FE 100%);
    border-left: 4px solid var(--tc-accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.game-card-why strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

.game-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.game-card-icon { font-size: 1.8rem; flex-shrink: 0; }

/* ==========================================================================
   8. AI CARDS
   ========================================================================== */
.ai-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 4px solid var(--cat-ai);
    transition: box-shadow 0.3s, transform 0.2s;
}

.ai-card:hover {
    box-shadow: 0 4px 16px rgba(124,58,237,0.12);
    transform: translateY(-2px);
}

.ai-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.ai-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.ai-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}

.ai-card-desc {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* "Best For" highlight box */
.ai-card-best {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #EDE9FE 100%);
    border-left: 4px solid var(--tc-accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.ai-card-best strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

.ai-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.ai-card-icon { font-size: 1.8rem; flex-shrink: 0; }

/* ==========================================================================
   9. DEV CARDS
   ========================================================================== */
.dev-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 4px solid var(--cat-dev);
    transition: box-shadow 0.3s, transform 0.2s;
}

.dev-card:hover {
    box-shadow: 0 4px 16px rgba(37,99,235,0.12);
    transform: translateY(-2px);
}

.dev-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.dev-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.dev-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}

.dev-card-desc {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* "Best For" highlight box */
.dev-card-best {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-left: 4px solid var(--tc-accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.dev-card-best strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

.dev-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.dev-card-icon { font-size: 1.8rem; flex-shrink: 0; }

/* ==========================================================================
   10. PRODUCTIVITY CARDS
   ========================================================================== */
.prod-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 4px solid var(--cat-productivity);
    transition: box-shadow 0.3s, transform 0.2s;
}

.prod-card:hover {
    box-shadow: 0 4px 16px rgba(5,150,105,0.12);
    transform: translateY(-2px);
}

.prod-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.prod-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.prod-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}

.prod-card-desc {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* "Best For" highlight box */
.prod-card-best {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-left: 4px solid var(--tc-accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.prod-card-best strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

.prod-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.prod-card-icon { font-size: 1.8rem; flex-shrink: 0; }

/* ==========================================================================
   11. HARDWARE CARDS
   ========================================================================== */
.hw-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-left: 4px solid var(--cat-hardware);
    transition: box-shadow 0.3s, transform 0.2s;
}

.hw-card:hover {
    box-shadow: 0 4px 16px rgba(217,119,6,0.12);
    transform: translateY(-2px);
}

.hw-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.hw-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.hw-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}

.hw-card-desc {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Specs highlight box */
.hw-card-specs {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border-left: 4px solid var(--tc-accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.hw-card-specs strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

/* "Why Buy This" highlight box */
.hw-card-why {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #EDE9FE 100%);
    border-left: 4px solid var(--tc-secondary);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.hw-card-why strong {
    color: var(--tc-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.2rem;
}

.hw-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.hw-card-icon { font-size: 1.8rem; flex-shrink: 0; }

/* ==========================================================================
   12. CATEGORY GRIDS
   ========================================================================== */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.dev-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.prod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.hw-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* ==========================================================================
   13. FILTER BUTTONS
   ========================================================================== */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.filter-btn {
    padding: 0.4rem 1rem;
    border: 2px solid var(--border-gray);
    border-radius: 20px;
    background: var(--white);
    color: var(--text-dark);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--tc-primary);
    background: var(--hover-tint);
}

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

/* Category-colored active filters */
.filter-btn[data-category="games"].active { background: var(--cat-games); border-color: var(--cat-games); }
.filter-btn[data-category="ai"].active { background: var(--cat-ai); border-color: var(--cat-ai); }
.filter-btn[data-category="dev"].active { background: var(--cat-dev); border-color: var(--cat-dev); }
.filter-btn[data-category="productivity"].active { background: var(--cat-productivity); border-color: var(--cat-productivity); }
.filter-btn[data-category="hardware"].active { background: var(--cat-hardware); border-color: var(--cat-hardware); }

/* Genre-colored active filters for games */
.filter-btn[data-genre="action"].active { background: var(--genre-action); border-color: var(--genre-action); }
.filter-btn[data-genre="rpg"].active { background: var(--genre-rpg); border-color: var(--genre-rpg); }
.filter-btn[data-genre="strategy"].active { background: var(--genre-strategy); border-color: var(--genre-strategy); }
.filter-btn[data-genre="puzzle"].active { background: var(--genre-puzzle); border-color: var(--genre-puzzle); }
.filter-btn[data-genre="simulation"].active { background: var(--genre-simulation); border-color: var(--genre-simulation); }
.filter-btn[data-genre="adventure"].active { background: var(--genre-adventure); border-color: var(--genre-adventure); }

/* ==========================================================================
   14. DIFFICULTY BADGES
   ========================================================================== */
.difficulty-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.difficulty-badge.beginner {
    background: #ECFDF5;
    color: #059669;
    border: 1px solid #A7F3D0;
}

.difficulty-badge.intermediate {
    background: #FFFBEB;
    color: #D97706;
    border: 1px solid #FDE68A;
}

.difficulty-badge.advanced {
    background: #FEF2F2;
    color: #DC2626;
    border: 1px solid #FECACA;
}

/* ==========================================================================
   15. PRICING BADGES
   ========================================================================== */
.pricing-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    background: var(--tc-bg);
    color: var(--tc-dark);
    border: 1px solid #DDD6FE;
}

.pricing-badge.free {
    background: #ECFDF5;
    color: #059669;
    border-color: #A7F3D0;
}

.pricing-badge.freemium {
    background: #EFF6FF;
    color: #2563EB;
    border-color: #BFDBFE;
}

.pricing-badge.paid {
    background: #FFFBEB;
    color: #D97706;
    border-color: #FDE68A;
}

.pricing-badge.subscription {
    background: var(--tc-bg);
    color: var(--tc-dark);
    border-color: #DDD6FE;
}

/* ==========================================================================
   16. VISIT BUTTON
   ========================================================================== */
.btn-visit {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 25px;
    background: var(--tc-secondary);
    color: var(--white);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}

.btn-visit:hover {
    background: var(--tc-secondary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16,185,129,0.4);
}

.btn-visit:active {
    transform: translateY(0);
}

/* ==========================================================================
   17. BUTTONS
   ========================================================================== */
.btn {
    padding: 0.6rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary {
    background: var(--tc-primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--tc-dark);
}

.btn-secondary {
    background: var(--tc-secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--tc-secondary-dark);
}

.btn-outline {
    background: var(--white);
    color: var(--tc-primary);
    border: 2px solid var(--tc-primary);
}

.btn-outline:hover {
    background: var(--hover-tint);
}

/* Accent button */
.btn-accent {
    background: linear-gradient(135deg, var(--tc-secondary) 0%, #34D399 100%);
    color: var(--white);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 3px 12px rgba(16,185,129,0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(16,185,129,0.4);
}

/* ==========================================================================
   18. TAG CHIPS
   ========================================================================== */
.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    background: var(--tc-bg);
    color: var(--tc-secondary-dark);
    border: 1px solid var(--border-gray);
}

.category-tag {
    background: var(--tc-primary);
    color: var(--white);
    border: none;
}

/* Genre category badges */
.cat-games { background: var(--cat-games); }
.cat-ai { background: var(--cat-ai); }
.cat-dev { background: var(--cat-dev); }
.cat-productivity { background: var(--cat-productivity); }
.cat-hardware { background: var(--cat-hardware); }

.genre-badge {
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

/* ==========================================================================
   19. HOMEPAGE SECTIONS
   ========================================================================== */

/* Featured strip (horizontal scroll) on homepage */
.featured-strip {
    display: flex;
    overflow-x: auto;
    gap: 1.25rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    scroll-behavior: smooth;
}

.featured-strip .game-card,
.featured-strip .ai-card,
.featured-strip .dev-card,
.featured-strip .prod-card,
.featured-strip .hw-card {
    flex: 0 0 calc((100% - 2 * 1.25rem) / 3);
    scroll-snap-align: start;
}

/* Scroll wrapper (shared) */
.scroll-wrapper {
    position: relative;
}

.scroll-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--tc-primary);
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background 0.2s;
}

.scroll-arrow.visible {
    opacity: 0.85;
    visibility: visible;
}

.scroll-arrow:hover {
    opacity: 1;
    background: var(--tc-dark);
}

.scroll-arrow-left {
    left: -12px;
}

.scroll-arrow-right {
    right: -12px;
}

/* Homepage section dividers */
.home-section {
    margin-bottom: 3rem;
}

.home-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.home-section-header h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--tc-dark);
}

.home-section-header a {
    font-size: 0.9rem;
    color: var(--tc-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.home-section-header a:hover {
    color: var(--tc-secondary-dark);
    text-decoration: underline;
}

/* ==========================================================================
   20. DAILY SPOTLIGHT BOXES
   ========================================================================== */
.daily-game-box {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #EDE9FE 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(124,58,237,0.1);
    margin-bottom: 2rem;
}

.daily-game-box h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--tc-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.daily-ai-box {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #DDD6FE 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(124,58,237,0.1);
    margin-bottom: 2rem;
}

.daily-ai-box h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--tc-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.daily-dev-box {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(37,99,235,0.1);
    margin-bottom: 2rem;
}

.daily-dev-box h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cat-dev);
    font-weight: 600;
    margin-bottom: 1rem;
}

.daily-prod-box {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(5,150,105,0.1);
    margin-bottom: 2rem;
}

.daily-prod-box h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--tc-secondary-dark);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Shared daily box inner elements */
.daily-game-box .daily-title,
.daily-ai-box .daily-title,
.daily-dev-box .daily-title,
.daily-prod-box .daily-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.daily-game-box .daily-desc,
.daily-ai-box .daily-desc,
.daily-dev-box .daily-desc,
.daily-prod-box .daily-desc {
    font-size: 1rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.daily-game-box .daily-attr,
.daily-ai-box .daily-attr,
.daily-dev-box .daily-attr,
.daily-prod-box .daily-attr {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-style: italic;
}

/* ==========================================================================
   21. ABOUT / EDITORIAL CONTENT
   ========================================================================== */
.about-box {
    background: linear-gradient(135deg, var(--tc-bg) 0%, #EDE9FE 100%);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(124,58,237,0.1);
}

.about-box h2 {
    color: var(--tc-dark);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.about-box p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Daily Tip / Quote */
.daily-quote-box {
    text-align: center;
    padding: 1.5rem 2rem;
    background: var(--tc-bg);
    border-radius: 12px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--tc-accent);
}

.daily-quote-text {
    font-size: 1.15rem;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.daily-quote-author {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* ==========================================================================
   22. SHARE BAR
   ========================================================================== */
.share-bar {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-gray);
    flex-wrap: wrap;
    align-items: center;
}

.share-bar span {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-right: 0.5rem;
}

.share-btn {
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-gray);
    border-radius: 16px;
    background: var(--white);
    color: var(--text-dark);
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    transition: background 0.2s;
}

.share-btn:hover {
    background: var(--hover-tint);
}

/* ==========================================================================
   23. SCROLL TO TOP
   ========================================================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--tc-primary);
    color: var(--tc-secondary);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top-btn.visible {
    opacity: 0.85;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: scale(1.1);
    background: var(--tc-dark);
}

/* ==========================================================================
   24. FOOTER
   ========================================================================== */
.footer {
    background: var(--tc-primary);
    color: var(--white);
    padding: 3rem 2rem 1.5rem;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--tc-accent);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.35rem;
}

.footer-section a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.15);
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-bottom p {
    margin-bottom: 0.3rem;
}

.visitor-counter {
    font-size: 0.8rem;
    opacity: 0.6;
}

.bmc-link a {
    color: var(--tc-accent);
    text-decoration: none;
}

/* ==========================================================================
   25. INFO MODAL / OVERLAY
   ========================================================================== */
.info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--tc-bg);
    color: var(--tc-primary);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border-gray);
    font-style: italic;
    transition: background 0.2s;
    flex-shrink: 0;
}

.info-btn:hover {
    background: var(--tc-primary);
    color: var(--white);
}

/* ==========================================================================
   26. EMPTY STATE & LOADING
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-gray);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.1rem;
}

@keyframes tc-shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: 200px 0; }
}

.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 400px 100%;
    animation: tc-shimmer 1.5s infinite;
    border-radius: 8px;
}

/* ==========================================================================
   27. BACK LINK
   ========================================================================== */
.back-link {
    display: inline-block;
    margin-bottom: 1.5rem;
    color: var(--tc-dark);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   28. TOOLTIP
   ========================================================================== */
.tooltip {
    position: fixed;
    background: var(--tc-dark);
    color: var(--white);
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    z-index: 2000;
    pointer-events: none;
    max-width: 300px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: none;
}

/* ==========================================================================
   29. CARD IMAGE AREA
   ========================================================================== */
.card-image {
    width: 100%;
    height: 160px;
    background: var(--tc-bg);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* What's New */
.updates-section { margin-bottom: 2rem; }
.updates-list { display: flex; flex-direction: column; gap: 1rem; }
.update-item {
    display: flex; align-items: flex-start; gap: 1rem;
    background: var(--white); border-left: 4px solid var(--tc-primary);
    border-radius: 8px; padding: 1rem 1.25rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.update-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.update-body { flex: 1; }
.update-body strong { color: var(--text-dark); }
.update-date { display: inline-block; margin-left: 0.5rem; font-size: 0.8rem; color: var(--text-gray); }
.update-body p { margin: 0.3rem 0 0; color: var(--text-gray); font-size: 0.9rem; }

/* ==========================================================================
   29b. CARD IMAGES (Wikipedia thumbnails)
   ========================================================================== */
.tc-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
    display: block;
    margin-bottom: 0.75rem;
}

/* Cards with images need adjusted padding so image goes edge-to-edge */
.game-card:has(.tc-card-img),
.ai-card:has(.tc-card-img),
.dev-card:has(.tc-card-img),
.prod-card:has(.tc-card-img),
.hw-card:has(.tc-card-img),
.os-card:has(.tc-card-img),
.store-card:has(.tc-card-img),
.timeline-card:has(.tc-card-img) {
    padding-top: 0;
    overflow: hidden;
}

/* All cards have border-left: 4px, so offset the image to cover it */
.game-card .tc-card-img,
.ai-card .tc-card-img,
.dev-card .tc-card-img,
.prod-card .tc-card-img,
.hw-card .tc-card-img,
.os-card .tc-card-img,
.store-card .tc-card-img {
    border-radius: 0;
    margin-left: -4px;
    width: calc(100% + 4px);
}

/* Timeline card images */
.timeline-card .tc-card-img {
    border-radius: 0;
    margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
    .tc-card-img {
        height: 140px;
    }
}

/* ==========================================================================
   30. RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet: 900px */
@media (max-width: 900px) {
    .header-content {
        flex-direction: column;
        gap: 0.75rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    .hamburger {
        display: inline-flex;
        position: absolute;
        right: 1.5rem;
        top: 50%;
        transform: translateY(-50%);
    }

    .header-content {
        position: relative;
    }

    .nav {
        display: none;
    }

    .nav.open {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .nav.open a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 2.5rem 1.5rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .game-grid,
    .ai-grid,
    .dev-grid,
    .prod-grid,
    .hw-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .featured-strip .game-card,
    .featured-strip .ai-card,
    .featured-strip .dev-card,
    .featured-strip .prod-card,
    .featured-strip .hw-card {
        flex: 0 0 calc((100% - 1.25rem) / 2);
    }

    .page-title {
        font-size: 1.5rem;
    }

    .share-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .summary-box {
        padding: 1rem;
    }
}

/* Mobile: 600px */
@media (max-width: 600px) {
    .header-content {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.25rem;
        margin-right: 0;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .container {
        padding: 1.5rem 1rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .filter-bar {
        gap: 0.35rem;
    }

    .filter-btn {
        padding: 0.3rem 0.75rem;
        font-size: 0.8rem;
        min-height: 44px;
    }

    .game-card,
    .ai-card,
    .dev-card,
    .prod-card,
    .hw-card {
        padding: 1rem;
    }

    .game-grid,
    .ai-grid,
    .dev-grid,
    .prod-grid,
    .hw-grid {
        grid-template-columns: 1fr;
    }

    .daily-game-box,
    .daily-ai-box,
    .daily-dev-box,
    .daily-prod-box {
        padding: 1.25rem;
    }

    .featured-strip .game-card,
    .featured-strip .ai-card,
    .featured-strip .dev-card,
    .featured-strip .prod-card,
    .featured-strip .hw-card {
        flex: 0 0 85%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .home-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }

    .daily-quote-box {
        padding: 1.25rem;
    }

    .about-box {
        padding: 1.25rem;
    }

    .page-title {
        font-size: 1.3rem;
    }
}

/* ==========================================================================
   31. RTL SUPPORT (Arabic)
   ========================================================================== */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .card {
    border-left: none;
    border-right: 3px solid var(--tc-primary);
}

[dir="rtl"] .card[data-category="games"] { border-left: none; border-right-color: var(--cat-games); }
[dir="rtl"] .card[data-category="ai"] { border-left: none; border-right-color: var(--cat-ai); }
[dir="rtl"] .card[data-category="dev"] { border-left: none; border-right-color: var(--cat-dev); }
[dir="rtl"] .card[data-category="productivity"] { border-left: none; border-right-color: var(--cat-productivity); }
[dir="rtl"] .card[data-category="hardware"] { border-left: none; border-right-color: var(--cat-hardware); }

[dir="rtl"] .game-card {
    border-left: 1px solid var(--border-gray);
    border-right: 4px solid var(--tc-primary);
}

[dir="rtl"] .game-card[data-genre="action"] { border-right-color: var(--genre-action); }
[dir="rtl"] .game-card[data-genre="rpg"] { border-right-color: var(--genre-rpg); }
[dir="rtl"] .game-card[data-genre="strategy"] { border-right-color: var(--genre-strategy); }
[dir="rtl"] .game-card[data-genre="puzzle"] { border-right-color: var(--genre-puzzle); }
[dir="rtl"] .game-card[data-genre="simulation"] { border-right-color: var(--genre-simulation); }
[dir="rtl"] .game-card[data-genre="adventure"] { border-right-color: var(--genre-adventure); }

[dir="rtl"] .ai-card {
    border-left: 1px solid var(--border-gray);
    border-right: 4px solid var(--cat-ai);
}

[dir="rtl"] .dev-card {
    border-left: 1px solid var(--border-gray);
    border-right: 4px solid var(--cat-dev);
}

[dir="rtl"] .prod-card {
    border-left: 1px solid var(--border-gray);
    border-right: 4px solid var(--cat-productivity);
}

[dir="rtl"] .hw-card {
    border-left: 1px solid var(--border-gray);
    border-right: 4px solid var(--cat-hardware);
}

[dir="rtl"] .game-card-why,
[dir="rtl"] .ai-card-best,
[dir="rtl"] .dev-card-best,
[dir="rtl"] .prod-card-best,
[dir="rtl"] .hw-card-specs,
[dir="rtl"] .hw-card-why {
    border-left: none;
    border-right: 4px solid var(--tc-accent);
    border-radius: 8px 0 0 8px;
}

[dir="rtl"] .daily-quote-box {
    border-left: none;
    border-right: 4px solid var(--tc-accent);
}

[dir="rtl"] .logo {
    margin-right: 0;
    margin-left: 2rem;
}

[dir="rtl"] .card-icon {
    margin-right: 0;
    margin-left: 0.5rem;
}

[dir="rtl"] .share-bar span {
    margin-right: 0;
    margin-left: 0.5rem;
}

[dir="rtl"] .back-link::before {
    content: '\2192 ';
}

[dir="rtl"] .scroll-top-btn {
    right: auto;
    left: 2rem;
}

[dir="rtl"] .scroll-arrow-left {
    left: auto;
    right: -12px;
}

[dir="rtl"] .scroll-arrow-right {
    right: auto;
    left: -12px;
}

[dir="rtl"] .hamburger {
    right: auto;
    left: 1.5rem;
}

/* ==========================================================================
   32. PRINT
   ========================================================================== */
@media print {
    .header, .footer, .scroll-top-btn, .share-bar,
    .filter-bar, .lang-select, .nav,
    .hamburger, .btn-visit {
        display: none !important;
    }

    .container {
        padding: 1rem;
    }

    .card,
    .game-card,
    .ai-card,
    .dev-card,
    .prod-card,
    .hw-card {
        break-inside: avoid;
    }

    .hero {
        background: var(--tc-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* --------------------------------------------------------------------------
   PLATFORMS TIMELINE
   -------------------------------------------------------------------------- */
.timeline {
    position: relative;
    padding-left: 80px;
    margin: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 35px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--tc-primary), var(--tc-secondary));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -53px;
    top: 18px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--tc-primary);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--tc-primary);
    z-index: 1;
}

.timeline-year {
    position: absolute;
    left: -80px;
    top: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--tc-dark);
    width: 40px;
    text-align: right;
}

.timeline-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 1.25rem;
    border-left: 4px solid var(--tc-primary);
    transition: box-shadow 0.2s, transform 0.2s;
}

.timeline-card:hover {
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.12);
    transform: translateY(-2px);
}

.timeline-card-header {
    margin-bottom: 0.75rem;
}

.timeline-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--tc-dark);
}

.timeline-card-meta {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.2rem;
}

.timeline-card-desc {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.timeline-card-significance {
    background: linear-gradient(135deg, #F5F3FF, #ECFDF5);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--tc-secondary);
}

.timeline-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

@media (max-width: 600px) {
    .timeline {
        padding-left: 50px;
    }
    .timeline::before {
        left: 18px;
    }
    .timeline-item::before {
        left: -38px;
        width: 10px;
        height: 10px;
    }
    .timeline-year {
        left: -50px;
        font-size: 0.75rem;
        width: 30px;
    }
}

[dir="rtl"] .timeline {
    padding-left: 0;
    padding-right: 80px;
}
[dir="rtl"] .timeline::before {
    left: auto;
    right: 35px;
}
[dir="rtl"] .timeline-item::before {
    left: auto;
    right: -53px;
}
[dir="rtl"] .timeline-year {
    left: auto;
    right: -80px;
    text-align: left;
}
[dir="rtl"] .timeline-card {
    border-left: none;
    border-right: 4px solid var(--tc-primary);
}
[dir="rtl"] .timeline-card-significance {
    border-left: none;
    border-right: 3px solid var(--tc-secondary);
}

/* ==========================================================================
   OPERATING SYSTEMS SECTION
   ========================================================================== */

/* --- OS Grid --- */
.os-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* --- OS Card --- */
.os-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 5px solid var(--tc-primary);
    transition: box-shadow 0.2s, transform 0.2s;
}
.os-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.os-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}
.os-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}
.os-card-meta {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.2rem;
}
.os-card-price {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.15rem;
}
.os-cat-badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
    flex-shrink: 0;
}

.os-card-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* --- Pros / Cons two-column --- */
.os-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #FAFAFA;
    border-radius: 8px;
}
.os-pros ul, .os-cons ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.os-pros li, .os-cons li {
    font-size: 0.85rem;
    line-height: 1.5;
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
}
.os-pros li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: 700;
}
.os-cons li::before {
    content: '\2717';
    position: absolute;
    left: 0;
    color: #DC2626;
    font-weight: 700;
}
.os-pc-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.os-pc-pro { color: #059669; }
.os-pc-con { color: #DC2626; }

/* --- Best for / Not ideal for --- */
.os-card-best, .os-card-notideal {
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
}
.os-best-icon {
    margin-right: 0.3rem;
}

/* --- Card footer --- */
.os-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-gray);
}
.os-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

/* ==========================================================================
   OS HISTORY TIMELINE
   ========================================================================== */
.os-timeline-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-gray);
}
.os-timeline-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.os-timeline {
    position: relative;
    padding-left: 40px;
    margin-top: 2rem;
}
.os-timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #F59E0B, #2563EB, #059669, #DC2626);
    border-radius: 2px;
}

.os-tl-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.os-tl-node {
    position: absolute;
    left: -34px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 2px currentColor;
    z-index: 1;
    flex-shrink: 0;
}
.os-tl-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--tc-dark);
    min-width: 40px;
    flex-shrink: 0;
}
.os-tl-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    flex: 1;
    transition: box-shadow 0.2s;
}
.os-tl-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.os-tl-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.os-tl-desc {
    font-size: 0.88rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* --- OS responsive --- */
@media (max-width: 768px) {
    .os-grid {
        grid-template-columns: 1fr;
    }
    .os-pros-cons {
        grid-template-columns: 1fr;
    }
    .os-card-header {
        flex-direction: column;
    }
    .os-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

/* --- OS RTL --- */
[dir="rtl"] .os-card {
    border-left: none;
    border-right: 5px solid var(--tc-primary);
}
[dir="rtl"] .os-pros li,
[dir="rtl"] .os-cons li {
    padding-left: 0;
    padding-right: 1.2rem;
}
[dir="rtl"] .os-pros li::before,
[dir="rtl"] .os-cons li::before {
    left: auto;
    right: 0;
}
[dir="rtl"] .os-best-icon {
    margin-right: 0;
    margin-left: 0.3rem;
}
[dir="rtl"] .os-timeline {
    padding-left: 0;
    padding-right: 40px;
}
[dir="rtl"] .os-timeline::before {
    left: auto;
    right: 12px;
}
[dir="rtl"] .os-tl-node {
    left: auto;
    right: -34px;
}

/* ==========================================================================
   QUIZ SECTION
   ========================================================================== */

/* --- Start screen --- */
.quiz-start {
    text-align: center;
    max-width: 700px;
    margin: 2rem auto;
}
.quiz-start h1 {
    margin-bottom: 0.5rem;
}
.quiz-cat-select {
    margin: 2rem 0;
}
.quiz-cat-label {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 0.75rem;
}
.quiz-cat-bar {
    justify-content: center;
}
.quiz-start-btn {
    margin-top: 1.5rem;
    padding: 0.75rem 2.5rem;
    font-size: 1.1rem;
}

/* --- Playing screen --- */
.quiz-play {
    max-width: 700px;
    margin: 1rem auto;
}
.quiz-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-gray);
    border-radius: 3px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--tc-primary), var(--tc-secondary));
    border-radius: 3px;
    transition: width 0.3s;
}
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.quiz-counter {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tc-dark);
}
.quiz-score-inline {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tc-secondary-dark);
}
.quiz-question {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--tc-bg);
    border-radius: 12px;
    border-left: 4px solid var(--tc-primary);
}

/* --- Answer options --- */
.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.quiz-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    background: var(--white);
    font-size: 1rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.15s;
}
.quiz-option:hover:not(:disabled) {
    border-color: var(--tc-primary);
    background: var(--hover-tint);
    transform: translateX(4px);
}
.quiz-option:disabled {
    cursor: default;
}
.quiz-option.quiz-correct {
    border-color: #059669;
    background: #ECFDF5;
    color: #065F46;
    font-weight: 600;
}
.quiz-option.quiz-wrong {
    border-color: #DC2626;
    background: #FEF2F2;
    color: #991B1B;
}

/* --- Explanation --- */
.quiz-exp-box {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}
.quiz-exp-correct {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    color: #065F46;
}
.quiz-exp-wrong {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #991B1B;
}
.quiz-next-btn {
    margin-top: 0.5rem;
}

/* --- Result screen --- */
.quiz-result {
    text-align: center;
    max-width: 600px;
    margin: 2rem auto;
}
.quiz-result-emoji {
    font-size: 4rem;
    margin-bottom: 0.5rem;
}
.quiz-result h2 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}
.quiz-score-big {
    font-size: 3rem;
    font-weight: 800;
    color: var(--tc-primary);
    line-height: 1.2;
}
.quiz-score-pct {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}
.quiz-result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

/* --- Review section --- */
.quiz-review-section {
    text-align: left;
    margin-top: 1rem;
}
.quiz-review-item {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-gray);
}
.quiz-review-correct {
    border-left: 4px solid #059669;
}
.quiz-review-wrong {
    border-left: 4px solid #DC2626;
}
.quiz-review-q {
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.quiz-review-a {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}
.quiz-review-correct-a {
    font-size: 0.9rem;
    color: #059669;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.quiz-review-exp {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

/* --- Quiz responsive --- */
@media (max-width: 768px) {
    .quiz-question {
        font-size: 1.1rem;
        padding: 1rem;
    }
    .quiz-option {
        padding: 0.85rem 1rem;
        font-size: 0.95rem;
    }
    .quiz-score-big {
        font-size: 2.5rem;
    }
    .quiz-result-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* --- Quiz RTL --- */
[dir="rtl"] .quiz-question {
    border-left: none;
    border-right: 4px solid var(--tc-primary);
}
[dir="rtl"] .quiz-option:hover:not(:disabled) {
    transform: translateX(-4px);
}
[dir="rtl"] .quiz-review-correct {
    border-left: none;
    border-right: 4px solid #059669;
}
[dir="rtl"] .quiz-review-wrong {
    border-left: none;
    border-right: 4px solid #DC2626;
}

/* --------------------------------------------------------------------------
   GAMING STORES & SERVICES
   -------------------------------------------------------------------------- */
.stores-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid #E5E7EB;
}
.store-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.store-card {
    background: #FFF;
    border-radius: 12px;
    border: 1px solid #E5E7EB;
    border-left: 5px solid #7C3AED;
    padding: 1.5rem;
    transition: box-shadow 0.2s, transform 0.2s;
}
.store-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.store-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}
.store-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1F2937;
}
.store-card-meta {
    font-size: 0.85rem;
    color: #6B7280;
    margin-top: 0.2rem;
}
.store-type-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: #FFF;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    white-space: nowrap;
}
.store-card-desc {
    color: #374151;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}
.store-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: #FAFAFA;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.25rem;
}
.store-pc-title {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.store-pc-pro { color: #059669; }
.store-pc-con { color: #DC2626; }
.store-pros ul, .store-cons ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.store-pros li, .store-cons li {
    font-size: 0.88rem;
    line-height: 1.5;
    padding: 0.25rem 0;
    padding-left: 1.2rem;
    position: relative;
}
.store-pros li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: 700;
}
.store-cons li::before {
    content: "\2717";
    position: absolute;
    left: 0;
    color: #DC2626;
    font-weight: 700;
}
.store-card-best, .store-card-notideal {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
    color: #374151;
}
.store-best-icon {
    margin-right: 0.25rem;
}
.store-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid #E5E7EB;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.store-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* Store responsive */
@media (max-width: 768px) {
    .store-grid {
        grid-template-columns: 1fr;
    }
    .store-pros-cons {
        grid-template-columns: 1fr;
    }
    .store-card-header {
        flex-direction: column;
    }
}

/* Store RTL */
[dir="rtl"] .store-pros li,
[dir="rtl"] .store-cons li {
    padding-left: 0;
    padding-right: 1.2rem;
}
[dir="rtl"] .store-pros li::before,
[dir="rtl"] .store-cons li::before {
    left: auto;
    right: 0;
}
[dir="rtl"] .store-best-icon {
    margin-right: 0;
    margin-left: 0.25rem;
}
[dir="rtl"] .store-card {
    border-left: 1px solid #E5E7EB;
    border-right: 5px solid #7C3AED;
}