/* css/style.css */
:root {
    --bg-base: #08080c; --bg-surface: #12121a; --bg-card: #1a1a24;
    --text-primary: #f0f0f5; --text-secondary: #9aa0a6;
    --accent-primary: #10b981; --accent-secondary: #0ea5e9;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --warning: #f59e0b; --glass-bg: rgba(26, 26, 36, 0.6); --glass-border: rgba(255, 255, 255, 0.06);
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-family); background: var(--bg-base); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: all 0.3s; border: none; font-size: 0.95rem; gap: 8px; }
.btn-primary { background: var(--accent-gradient); color: white; box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5); transform: translateY(-2px); }
.btn-glass { background: var(--glass-bg); border: 1px solid var(--glass-border); color: white; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(40, 40, 50, 0.8); border-color: rgba(255, 255, 255, 0.2); }
.tag { background: rgba(16, 185, 129, 0.15); color: var(--accent-primary); padding: 4px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; border: 1px solid rgba(16, 185, 129, 0.3); }

/* Header & Nav */
header { position: fixed; top: 0; width: 100%; z-index: 50; background: rgba(8, 8, 12, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--glass-border); height: 72px; display: flex; align-items: center; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { font-size: 1.5rem; font-weight: 800; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; gap: 32px; }
.nav-link { color: var(--text-secondary); font-weight: 500; font-size: 0.95rem; transition: color 0.3s; padding-bottom: 4px; border-bottom: 2px solid transparent;}
.nav-link.active, .nav-link:hover { color: white; border-bottom-color: var(--accent-primary); }

/* Live Ticker Area */
.live-ticker { background: rgba(0,0,0,0.5); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); padding: 12px 0; color: var(--text-secondary); font-size: 0.9rem; display: flex; align-items: center; overflow: hidden; }
.ticker-label { background: var(--accent-primary); color: #000; padding: 2px 8px; border-radius: 4px; font-weight: 700; font-size: 0.8rem; margin-right: 16px; flex-shrink: 0; display: flex; align-items: center; gap: 4px; }
.ticker-label .dot { width: 6px; height: 6px; background: #fff; border-radius: 50%; animation: pulse 1s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; } }
.ticker-wrapper { overflow: hidden; width: 100%; position: relative; height: 20px; }
.ticker-content { position: absolute; top: 0; left: 0; display: flex; flex-direction: column; transition: transform 0.4s ease; width: 100%; }
.ticker-item { height: 20px; display: flex; align-items: center; white-space: nowrap; font-size: 0.9rem; width:100%; color: #cbd5e1; gap: 8px;}
.ticker-item .user { color: var(--accent-secondary); font-weight: 600; }
.ticker-item .action { color: #fff; }
.ticker-item .time { color: #64748b; font-size: 0.8rem; margin-left: auto; padding-right: 24px;}

/* Modals */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: 9999; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: 0.3s; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);}
.modal-overlay.active { opacity: 1; visibility: visible; }
.player-modal { width: 100%; max-width: 800px; background: #0a0a0f; border-radius: 12px; overflow: hidden; transform: scale(0.95); transition: 0.3s; border: 1px solid var(--glass-border); }
.modal-overlay.active .player-modal { transform: scale(1); }
.player-head { padding: 16px 20px; background: #111; display: flex; justify-content: space-between; font-weight: 600; border-bottom: 1px solid #222; }
.close-btn { background: none; border: none; color: #888; font-size: 1.5rem; cursor: pointer; transition: 0.2s; }
.close-btn:hover { color: white; transform: rotate(90deg); }
.player-screen { position: relative; padding-top: 56.25%; background: #000; }
.player-inner { position: absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; }
.spinner { width:40px; height:40px; border:3px solid transparent; border-top-color: var(--accent-primary); border-radius:50%; animation: spin 1s linear infinite; margin-bottom:20px; }
@keyframes spin { 100% { transform: rotate(360deg); } }
.player-foot { padding: 20px; background: #111; }
.cloud-btns { display: flex; gap: 12px; margin-top: 16px; }
.c-btn { flex: 1; padding: 10px; border-radius: 6px; border: none; color: white; font-weight: bold; cursor: pointer; transition: 0.2s; text-align:center; }
.c-btn.ali { background: #1890ff; } .c-btn.ali:hover { background: #40a9ff; }
.c-btn.quark { background: #FF4D4F; } .c-btn.quark:hover { background: #FF7875; }

/* Grid systems & Cards */
.section { padding: 48px 0; }
.section-header { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: flex-end; }
.section-title { font-size: 1.5rem; font-weight: 700; color: white; display: flex; align-items: center; gap: 10px;}
.section-title span { font-size: 0.9rem; color: var(--text-secondary); font-weight: 400; margin-left: 12px; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.card { background: var(--bg-card); border-radius: 8px; overflow: hidden; border: 1px solid var(--glass-border); transition: all 0.3s; cursor: pointer; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); border-color: rgba(16, 185, 129, 0.4); box-shadow: 0 10px 25px rgba(0,0,0,0.4); }
.card-thumb { position: relative; padding-top: 56.25%; background: #222; overflow: hidden; }
.card-thumb img { position: absolute; top:0; left:0; width:100%; height:100%; object-fit: cover; transition: transform 0.6s; }
.card:hover .card-thumb img { transform: scale(1.05); }
.card-tags { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; z-index: 5; }
.card-overlay { position: absolute; inset:0; background:rgba(0,0,0,0); transition: 0.3s; display: flex; align-items: center; justify-content: center; z-index: 10; }
.card:hover .card-overlay { background: rgba(0,0,0,0.5); }
.play-icon { width:48px; height:48px; background:var(--accent-gradient); border-radius:50%; display:flex; align-items:center; justify-content:center; opacity:0; transform:scale(0.8); transition:0.3s; }
.card:hover .play-icon { opacity:1; transform:scale(1); }
.play-icon svg { width: 24px; height: 24px; fill: white; margin-left:2px; }
.card-content { padding: 16px; flex-grow: 1; display:flex; flex-direction: column;}
.card-title { font-size: 1.05rem; font-weight: 600; line-height: 1.4; margin-bottom: 6px; color: var(--text-primary); }
.card-meta { font-size: 0.85rem; color: var(--text-secondary); display: flex; justify-content: space-between; margin-bottom: 12px; }
.card-footer { border-top: 1px solid var(--glass-border); padding-top: 12px; display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; margin-top: auto; }

/* Mirror Table (For software.html) */
.mirror-table { width: 100%; border-collapse: collapse; margin-top: 20px; background: rgba(255,255,255,0.02); border: 1px solid var(--glass-border); border-radius: 8px; overflow: hidden;}
.mirror-table th, .mirror-table td { padding: 16px; text-align: left; border-bottom: 1px solid var(--glass-border); font-size: 0.95rem; }
.mirror-table th { background: rgba(0,0,0,0.3); color: var(--text-secondary); font-weight: 600;}
.mirror-table tr:hover td { background: rgba(255,255,255,0.05); }
.mirror-table td.link { color: var(--accent-primary); cursor: pointer; font-weight: 600; }
.mirror-table td.link:hover { text-decoration: underline; }

/* Filter Sidebar (For tutorial and assets) */
.page-layout { display: flex; gap: 32px; padding-top: 40px; padding-bottom: 60px;}
.sidebar { width: 240px; flex-shrink: 0; }
.filter-group { margin-bottom: 24px; }
.filter-title { font-weight: 700; color: white; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--glass-border); }
.filter-item { padding: 8px 12px; color: var(--text-secondary); cursor: pointer; border-radius: 4px; transition: 0.2s; font-size: 0.95rem; display:block;}
.filter-item:hover, .filter-item.active { background: rgba(16, 185, 129, 0.1); color: var(--accent-primary); font-weight: 500;}
.main-content { flex-grow: 1; }

/* Layout Fixes */
.hero { 
    padding: 140px 0 80px; 
    min-height: 60vh; 
    position: relative; 
    display: flex; 
    align-items: center; 
    overflow: hidden; 
}
.hero-bg { 
    position: absolute; 
    inset: 0; 
    z-index: -1; 
    background-color: #0f172a;
    background-image: 
        radial-gradient(circle at 50% 30%, rgba(30,41,59,0.5) 0%, #0f172a 70%),
        url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=2072&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    filter: brightness(0.7) contrast(1.1); 
    transform: scale(1.05); 
}
.page-header { 
    background-color: #0f172a;
    background-image: 
        linear-gradient(rgba(8,8,12,0.8), rgba(8,8,12,1)),
        url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?q=80&w=2000&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    padding: 140px 0 60px; 
    text-align: center; 
    position: relative;
    border-bottom: 1px solid var(--glass-border);
}
.page-header-content { position:relative; z-index:10; }
.page-title { font-size: 2.8rem; font-weight: 800; color: white; margin-bottom: 16px; }
.page-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.7; }