/* ==========================================================================
   VKGames Hub - Design System & Theme Engine
   ========================================================================== */

/* ===== 1. CSS VARIABLES (JOUR/NUIT) ===== */
:root {
    /* Mode Jour (Soft White) */
    --bg-1: #f7f5f0;
    --bg-2: #ffffff;
    --bg-3: #f0eeea;
    --bg-hero: rgba(255, 163, 1, 0.05);
    --border-1: rgba(0, 0, 0, 0.06);
    --border-2: rgba(0, 0, 0, 0.10);
    --border-accent: rgba(255, 163, 1, 0.35);
    --text-1: #1a1a20; /* Titres - High contrast */
    --text-2: #4a4a55; /* Paragraphes - Readable */
    --text-3: #7a7a85; /* Metadata - Muted but visible */
    --accent: #ffa301;
    --accent-text: #c87d00;
    --accent-bg: rgba(255, 163, 1, 0.08);
    --accent-bg-hover: rgba(255, 163, 1, 0.15);
    --nav-bg: rgba(247, 245, 240, 0.85);
    --card-glow: rgba(255, 163, 1, 0.05);
    --particle-color: rgba(255, 163, 1, 0.25);
    --skeleton-base: #e5e2db;
    --skeleton-shine: rgba(255, 255, 255, 0.6);
    --img-placeholder-from: #ece9e3;
    --img-placeholder-to: #e0ddd6;
}

html.dark {
    /* Mode Nuit (Soft Black) */
    --bg-1: #12121a;
    --bg-2: #1a1a26;
    --bg-3: #22222e;
    --bg-hero: rgba(255, 163, 1, 0.04);
    --border-1: rgba(255, 255, 255, 0.05);
    --border-2: rgba(255, 255, 255, 0.10);
    --border-accent: rgba(255, 163, 1, 0.30);
    --text-1: #eeeef4; /* Titres */
    --text-2: #9a9aa6; /* Paragraphes */
    --text-3: #6a6a78; /* Metadata */
    --accent: #ffa301;
    --accent-text: #ffa301;
    --accent-bg: rgba(255, 163, 1, 0.08);
    --accent-bg-hover: rgba(255, 163, 1, 0.16);
    --nav-bg: rgba(18, 18, 26, 0.85);
    --card-glow: rgba(255, 163, 1, 0.07);
    --particle-color: rgba(255, 163, 1, 0.20);
    --skeleton-base: #22222e;
    --skeleton-shine: rgba(255, 255, 255, 0.03);
    --img-placeholder-from: #1e1e2a;
    --img-placeholder-to: #16161f;
}

/* ===== 2. GLOBAL RESET & BASE ===== */
body {
    background-color: var(--bg-1);
    color: var(--text-1);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.5s ease, color 0.5s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent);
    color: #000;
}

/* Smooth Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

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

/* ===== 3. LAYOUT COMPONENTS ===== */
.nav-bar {
    background: var(--nav-bg);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid var(--border-1);
    transition: background 0.5s ease, border-color 0.5s ease;
}

.hero-glow {
    background: radial-gradient(ellipse 80% 55% at 50% 40%, var(--bg-hero) 0%, transparent 70%);
    pointer-events: none;
}

.grid-pattern {
    background-image: linear-gradient(var(--border-1) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border-1) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    pointer-events: none;
}

.section-line {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-2) 50%, transparent 100%);
}

/* ===== 4. CARDS SYSTEM ===== */
.subdomain-card {
    background: var(--bg-2);
    border: 1px solid var(--border-1);
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.subdomain-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-bg) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.subdomain-card:hover {
    background: var(--bg-3);
    border-color: var(--border-accent);
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 24px 56px -14px var(--card-glow);
    z-index: 2;
}

.subdomain-card:hover::before {
    opacity: 1;
}

.article-card {
    background: var(--bg-2);
    border: 1px solid var(--border-1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.article-card:hover {
    background: var(--bg-3);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px -8px var(--card-glow);
}

.article-card:hover .article-thumb {
    transform: scale(1.06);
}

.article-card:hover .article-arrow {
    transform: translateX(3px);
    color: var(--accent);
}

.article-thumb {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-arrow {
    transition: all 0.3s ease;
    color: var(--text-3);
}

.thumb-placeholder {
    background: linear-gradient(135deg, var(--img-placeholder-from) 0%, var(--img-placeholder-to) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-3);
}

/* ===== 5. UI ELEMENTS ===== */
/* Buttons */
.btn-accent {
    background: #ffa301;
    color: #000;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}
.btn-accent:hover {
    background: #ffb536;
    box-shadow: 0 0 28px -6px rgba(255, 163, 1, 0.5);
}
.btn-accent:active { transform: scale(0.97); }

.btn-ghost {
    background: var(--accent-bg);
    border: 1px solid var(--border-accent);
    color: var(--accent-text);
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}
.btn-ghost:hover {
    background: var(--accent-bg-hover);
    box-shadow: 0 0 18px -6px var(--card-glow);
}

/* Navigation Links */
.nav-link {
    position: relative;
    color: var(--text-2);
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transition: width 0.3s ease;
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }

/* Category Tag */
.cat-tag {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 6px;
    display: inline-block;
    line-height: 1.4;
}

/* Theme Toggle Button */
.theme-btn {
    background: var(--bg-3);
    border: 1px solid var(--border-2);
    color: var(--text-2);
    transition: all 0.3s ease;
    cursor: pointer;
}
.theme-btn:hover {
    border-color: var(--border-accent);
    color: var(--accent);
    box-shadow: 0 0 16px -4px var(--card-glow);
}

/* Live Badge */
.live-dot {
    animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
    0%, 100% { box-shadow: 0 0 4px rgba(255,163,1,0.3); }
    50% { box-shadow: 0 0 12px rgba(255,163,1,0.6); }
}

/* ===== 6. LOADING STATES (SKELETON) ===== */
.skeleton {
    background-color: var(--skeleton-base);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}
.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, var(--skeleton-shine) 50%, transparent 100%);
    animation: shimmer 1.8s ease-in-out infinite;
}
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.error-card {
    background: var(--bg-2);
    border: 1px dashed var(--border-2);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

/* ===== 7. ANIMATIONS ===== */
/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: all 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Particles */
.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 10s ease-in-out infinite;
}
@keyframes particleFloat {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
    12% { opacity: 0.5; transform: translateY(-25px) scale(1); }
    88% { opacity: 0.10; transform: translateY(-220px) scale(0.35); }
}

/* Frontend Toast */
.toast {
    position: fixed;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-2);
    border: 1px solid var(--border-accent);
    color: var(--text-1);
    padding: 14px 24px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 500;
    z-index: 9999;
    transition: bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
    opacity: 0;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 12px 36px -8px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}
.toast.show {
    bottom: 28px;
    opacity: 1;
    pointer-events: auto;
}

/* ===== 8. RESPONSIVE UTILS ===== */
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 9. SINGLE POST TYPOGRAPHY (WordPress Content) ===== */
.entry-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    color: var(--text-1);
    margin-top: 2.5em;
    margin-bottom: 0.8em;
    font-weight: 700;
    line-height: 1.3;
}

.entry-content h2 { font-size: 1.8rem; }
.entry-content h3 { font-size: 1.4rem; }

.entry-content p {
    margin-bottom: 1.5em;
}

.entry-content a {
    color: var(--accent-text);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}
.entry-content a:hover {
    color: var(--accent);
}

.entry-content img {
    border-radius: 1rem;
    margin: 2em 0;
}

.entry-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 1em 1.5em;
    margin: 2em 0;
    background: var(--accent-bg);
    border-radius: 0 0.75rem 0.75rem 0;
    font-style: italic;
    color: var(--text-2);
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1.5em;
    padding-left: 1.5em;
}

.entry-content li {
    margin-bottom: 0.5em;
}

.entry-content code {
    background: var(--bg-3);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-text);
}

.entry-content pre {
    background: var(--bg-3);
    padding: 1.5em;
    border-radius: 0.75rem;
    overflow-x: auto;
    margin: 2em 0;
    border: 1px solid var(--border-1);
}

.entry-content pre code {
    background: transparent;
    padding: 0;
}

/* Mobile WP Menu Links */
#mobile-menu .nav-link {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-1);
    display: block;
    padding: 0.5rem 0;
}

/* Footer WP Menu Links spacing fix */
footer .menu-item {
    margin-bottom: 0.75rem;
}