:root {
    --bg-dark: #0f1115;
    --bg-card: rgba(26, 29, 36, 0.7);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #10b981;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 17, 21, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --container-width: 1100px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
main.container { flex: 1; }

/* Navbar */
.navbar {
    position: sticky; top: 0; z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}
.nav-content { display: flex; justify-content: space-between; align-items: center; gap: 15px; flex-wrap: wrap;}
.brand { font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 8px;}

/* Search */
.search-container { flex-grow: 1; max-width: 400px; }
#searchInput {
    width: 100%; padding: 10px 16px; border-radius: 20px;
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color);
    color: #fff; font-family: 'Inter', sans-serif; outline: none; transition: var(--transition);
}
#searchInput:focus { background: rgba(255, 255, 255, 0.1); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); }

/* Hero */
.hero {
    text-align: center; padding: 80px 20px;
    background: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.15), transparent 60%);
    border-radius: var(--radius-lg); margin: 40px 0;
}
.hero h1 {
    font-size: 3.5rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .subtitle { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* Grid & Cards */
.section-header { margin-bottom: 30px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 24px;
    text-decoration: none; color: inherit; display: flex; flex-direction: column;
    transition: var(--transition); position: relative; overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0; transition: var(--transition);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3); border-color: rgba(255, 255, 255, 0.2); }
.card:hover::before { opacity: 1; }
.card-category { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.card-title { font-size: 1.3rem; font-weight: 600; color: #fff; margin-bottom: 12px; line-height: 1.3; }
.card-desc { font-size: 0.95rem; color: var(--text-muted); flex-grow: 1; margin-bottom: 20px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 16px; }

/* Post Details */
.post-container { max-width: 800px; margin: 60px auto; }
.post-header { text-align: center; margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border-color); }
.post-meta-top { display: flex; justify-content: center; gap: 15px; margin-bottom: 20px; }
.category-badge { background: rgba(99, 102, 241, 0.15); color: var(--primary); padding: 4px 12px; border-radius: 12px; font-size: 0.8rem; font-weight: 600; }
.post-title { font-size: 3rem; font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.2; }
.post-lead { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 30px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-md); font-weight: 600; text-decoration: none; transition: var(--transition); border: none; cursor: pointer; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6); }

/* Markdown-like body */
.post-content { font-size: 1.05rem; line-height: 1.8; margin-bottom: 60px;}
.post-content h2 { font-size: 1.8rem; color: #fff; margin: 40px 0 20px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }
.post-content p { margin-bottom: 20px; }
.post-content pre { background: #111; border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 20px; overflow-x: auto; margin: 30px 0; }
.post-content code { font-family: 'Consolas', monospace; font-size: 0.9rem; color: #a5b4fc; }

/* Code Container & Copy Button */
.code-container { position: relative; margin: 30px 0; }
.code-container pre { margin: 0; }
.copy-btn {
    position: absolute; top: 10px; right: 10px;
    background: rgba(255, 255, 255, 0.1); border: 1px solid var(--border-color);
    color: #fff; padding: 6px 12px; border-radius: var(--radius-md);
    cursor: pointer; font-size: 0.8rem; font-weight: 600;
    transition: var(--transition); z-index: 10;
}
.copy-btn:hover { background: rgba(255, 255, 255, 0.2); }

.hidden { display: none !important; }
.footer { padding: 40px 0; text-align: center; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.9rem; margin-top: auto;}

/* Search Results List */
.search-container { position: relative; }
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #1e2128;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 8px;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 1000;
}
.search-item {
    display: block; padding: 15px 20px; border-bottom: 1px solid var(--border-color);
    text-decoration: none; transition: var(--transition);
}
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: rgba(255,255,255,0.05); }
.search-item h4 { color: #fff; font-size: 1.1rem; margin-bottom: 5px; }
.search-item p { color: var(--text-muted); font-size: 0.9rem; }

/* Category Dropdown */
.category-select {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
}
.category-select:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}
.category-select option {
    background: var(--bg-dark);
    color: #fff;
}

/* AdSense Placeholders & Cookie Banner */
.ad-container {
    width: 100%;
    margin: 30px 0;
    text-align: center;
    background: rgba(255,255,255,0.02);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    padding: 15px 20px;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.5);
}
#cookie-banner p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-main);
}
#cookie-banner .btn {
    padding: 8px 16px;
    font-size: 0.85rem;
    margin-left: 15px;
}