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

:root {
    --bg-primary: #06080d;
    --bg-secondary: #0c1020;
    --bg-card: rgba(16,22,40,0.7);
    --bg-elevated: rgba(26,35,58,0.8);
    --border-color: rgba(45,58,82,0.6);
    --border-light: rgba(61,79,111,0.8);
    --text-primary: #e8ecf4;
    --text-secondary: #9ba5b8;
    --text-muted: #5a6577;
    --accent-blue: #4f8ff7;
    --accent-blue-hover: #3a7af0;
    --accent-green: #12c98a;
    --accent-orange: #f6a623;
    --accent-red: #ef4444;
    --accent-purple: #9b6af7;
    --gradient-hero: linear-gradient(135deg, #4f8ff7 0%, #9b6af7 40%, #e84393 70%, #f6a623 100%);
    --gradient-card: linear-gradient(135deg, rgba(79,143,247,0.08) 0%, rgba(155,106,247,0.08) 100%);
    --gradient-surface: linear-gradient(180deg, #0c1020 0%, #0a0d18 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg: 0 10px 50px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 40px rgba(79,143,247,0.12);
    --accent-glow: rgba(79,143,247,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gradient-surface);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
html, body {
    background-color: #06080d;
}


/* Mouse Tracker */
#cursorGlow {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
    filter: blur(80px);
}
body:hover #cursorGlow {
    opacity: 1;
}

a { color: var(--accent-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-blue-hover); }
img { max-width: 100%; display: block; }

@keyframes fadeInUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-10px); } }
@keyframes shimmer { 0% { background-position:-200% 0; } 100% { background-position:200% 0; } }
@keyframes pulse { 0%,100% { box-shadow:0 0 0 0 rgba(79,143,247,0.3); } 50% { box-shadow:0 0 0 12px rgba(79,143,247,0); } }

.ai { animation: fadeInUp 0.8s ease-out both; }
.d1 { animation-delay: 0.1s; }
.d2 { animation-delay: 0.2s; }
.d3 { animation-delay: 0.3s; }
.d4 { animation-delay: 0.4s; }
.d5 { animation-delay: 0.5s; }
.d6 { animation-delay: 0.6s; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; width: 100%; position: relative; z-index: 1; }

.h-xl { font-size: clamp(3.2rem,8vw,6.5rem); font-weight: 900; line-height: 0.95; letter-spacing: -0.04em; }
.h-lg { font-size: clamp(2rem,5vw,3.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
.h-md { font-size: 1.5rem; font-weight: 700; }
.h-sm { font-size: 1.15rem; font-weight: 600; }
.lead { font-size: clamp(1.15rem,2.5vw,1.4rem); color: var(--text-secondary); line-height: 1.7; max-width: 600px; }
.body-text { color: var(--text-secondary); }
.muted { color: var(--text-muted); }
.sm { font-size: 0.875rem; }
.gradient-text { background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.shimmer-text { background: linear-gradient(90deg, var(--text-primary) 40%, var(--accent-blue) 50%, var(--accent-purple) 60%, var(--text-primary) 70%); background-size:200% 100%; -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; animation:shimmer 4s linear infinite; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 30px; border: none; border-radius: var(--radius-md);
    font-size: 1rem; font-weight: 600; cursor: pointer; transition: all var(--transition);
    text-decoration: none; white-space: nowrap; font-family: inherit;
}
.btn-primary {
    background: var(--accent-blue); color: white;
    box-shadow: 0 4px 18px rgba(79,143,247,0.35), inset 0 1px 0 rgba(255,255,255,0.1);
}
.btn-primary:hover {
    background: var(--accent-blue-hover); transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(79,143,247,0.45); color: white; text-decoration: none;
}
.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-color); backdrop-filter:blur(8px); }
.btn-secondary:hover { background: var(--border-color); transform: translateY(-2px); color: var(--text-primary); text-decoration: none; }
.btn-glow { background:var(--gradient-hero); color:white; box-shadow:0 4px 20px rgba(79,143,247,0.3); animation:pulse 2s infinite; }
.btn-glow:hover { transform:translateY(-3px); box-shadow:0 8px 35px rgba(79,143,247,0.5); color:white; text-decoration:none; }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }
.btn-full { width: 100%; }

.card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px;
    transition: all var(--transition); backdrop-filter:blur(12px);
}
.card:hover { border-color: var(--border-light); box-shadow: var(--shadow-md), var(--shadow-glow); transform:translateY(-2px); }

.badge { display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; }
.badge-g { background: rgba(18,201,138,0.12); color: var(--accent-green); border:1px solid rgba(18,201,138,0.2); }
.badge-o { background: rgba(246,166,35,0.12); color: var(--accent-orange); border:1px solid rgba(246,166,35,0.2); }
.badge-r { background: rgba(239,68,68,0.12); color: var(--accent-red); border:1px solid rgba(239,68,68,0.2); }
.badge-b { background: rgba(79,143,247,0.12); color: var(--accent-blue); border:1px solid rgba(79,143,247,0.2); }
.badge-p { background: rgba(155,106,247,0.12); color: var(--accent-purple); border:1px solid rgba(155,106,247,0.2); }

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-input {
    width: 100%; padding: 13px 16px; background: rgba(6,8,13,0.6); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); color: var(--text-primary); font-size: 1rem; font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(79,143,247,0.15); }
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 80px; }

.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; }
.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25); color: #fca5a5; }
.alert-success { background: rgba(18,201,138,0.12); border: 1px solid rgba(18,201,138,0.25); color: #6ee7b7; }

.progress-track { width: 100%; height: 6px; background: rgba(6,8,13,0.5); border-radius: 100px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--gradient-hero); border-radius: 100px; transition: width 0.6s ease-out; }

/* HERO */
.hero {
    position: relative; padding: 160px 0 120px; text-align: center; overflow: hidden;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(79,143,247,0.08) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 20%, rgba(155,106,247,0.06) 0%, transparent 50%),
                radial-gradient(ellipse 50% 40% at 20% 30%, rgba(232,67,147,0.04) 0%, transparent 50%);
}
.hero::after {
    content:''; position:absolute; bottom:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg, transparent, var(--border-color), transparent);
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; background: rgba(79,143,247,0.08); border: 1px solid rgba(79,143,247,0.18); border-radius: 100px; font-size: 0.85rem; font-weight: 500; color: var(--accent-blue); margin-bottom: 32px; backdrop-filter:blur(8px); }
.hero-subtitle { max-width: 640px; margin: 0 auto 44px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats { display: flex; justify-content: center; gap: 56px; margin-top: 72px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-val { font-size: 2.4rem; font-weight: 800; }
.hero-stat-lbl { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; text-transform:uppercase; letter-spacing:0.08em; }

/* Organizers */
.organizers { padding: 72px 0; text-align: center; position:relative; }
.organizers::before { content:''; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, var(--border-color), transparent); }
.organizers .container { display:flex; flex-direction:column; align-items:center; gap:48px; }
.org-col { display:flex; flex-direction:column; align-items:center; }
.org-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-muted); margin-bottom: 24px; }
.org-logos-stack { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.org-logo-link { width: 180px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); transition: all var(--transition); opacity: 0.7; }
.org-logo-link:hover { opacity: 1; transform: translateY(-3px); }
.org-logo-link img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* Syllabus */
.syllabus { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label { display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent-blue); margin-bottom: 14px; }
.section-desc { max-width: 560px; margin: 0 auto; color: var(--text-secondary); }
.syl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.syl-card {
    position: relative; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
    padding: 34px 30px; transition: all var(--transition); overflow: hidden; backdrop-filter:blur(12px);
}
.syl-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.syl-card.w1::before { background: var(--accent-green); }
.syl-card.w2::before { background: var(--accent-blue); }
.syl-card.w3::before { background: var(--accent-orange); }
.syl-card.w4::before { background: var(--accent-red); }
.syl-card::after { content:''; position:absolute; inset:0; background:var(--gradient-card); opacity:0; transition:opacity var(--transition); pointer-events:none; }
.syl-card:hover { transform: translateY(-6px); border-color: var(--border-light); box-shadow: var(--shadow-lg), var(--shadow-glow); }
.syl-card:hover::after { opacity:1; }
.syl-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; position:relative; z-index:1; }
.syl-badge { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.95rem; }
.w1 .syl-badge { background: rgba(18,201,138,0.12); color: var(--accent-green); border:1px solid rgba(18,201,138,0.2); }
.w2 .syl-badge { background: rgba(79,143,247,0.12); color: var(--accent-blue); border:1px solid rgba(79,143,247,0.2); }
.w3 .syl-badge { background: rgba(246,166,35,0.12); color: var(--accent-orange); border:1px solid rgba(246,166,35,0.2); }
.w4 .syl-badge { background: rgba(239,68,68,0.12); color: var(--accent-red); border:1px solid rgba(239,68,68,0.2); }
.syl-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 22px; line-height: 1.6; position:relative; z-index:1; }
.syl-topics { list-style: none; margin-bottom: 24px; position:relative; z-index:1; }
.syl-topics li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 0.875rem; color: var(--text-secondary); }
.syl-topics li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.w1 .syl-topics li::before { background: var(--accent-green); }
.w2 .syl-topics li::before { background: var(--accent-blue); }
.w3 .syl-topics li::before { background: var(--accent-orange); }
.w4 .syl-topics li::before { background: var(--accent-red); }
.syl-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--border-color); position:relative; z-index:1; }

/* Timeline */
.timeline { padding: 96px 0; background: rgba(12,16,32,0.5); }
.timeline::before { content:''; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, var(--border-color), transparent); }
.timeline-track { max-width: 800px; margin: 0 auto; position: relative; }
.timeline-track::before { content: ''; position: absolute; left: 29px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--accent-green), var(--accent-blue), var(--accent-orange), var(--accent-red)); opacity:0.3; }
.tl-item { display: flex; gap: 30px; padding: 0 0 52px; position: relative; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; flex-shrink: 0; z-index: 1; border: 3px solid var(--bg-secondary); box-shadow:0 0 20px rgba(79,143,247,0.2); }
.tl-item:nth-child(1) .tl-dot { background: linear-gradient(135deg, var(--accent-green), #0ea572); color: #fff; }
.tl-item:nth-child(2) .tl-dot { background: linear-gradient(135deg, var(--accent-blue), #6366f1); color: #fff; }
.tl-item:nth-child(3) .tl-dot { background: linear-gradient(135deg, var(--accent-orange), #f97316); color: #fff; }
.tl-item:nth-child(4) .tl-dot { background: linear-gradient(135deg, var(--accent-red), #e11d48); color: #fff; }
.tl-content { padding-top: 14px; flex: 1; }
.tl-content h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.tl-content p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* Footer */
.footer { padding: 48px 0; text-align: center; border-top: 1px solid var(--border-color); position:relative; }
.footer p { color: var(--text-muted); font-size: 0.85rem; }
.footer a { color: var(--text-secondary); transition: color var(--transition); }
.footer a:hover { color: var(--accent-blue); text-decoration: none; }

/* Top Nav */
.top-nav { padding: 12px 0; border-bottom: 1px solid var(--border-color); background: rgba(6,8,13,0.85); backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 100; }
.top-nav::after { content:''; position:absolute; bottom:0; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, rgba(79,143,247,0.2), transparent); }
.top-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.top-nav-start { display: flex; align-items: center; gap: 6px; }
.top-nav-brand { font-size: 1.35rem; font-weight: 800; white-space: nowrap; }
.top-nav-links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.top-nav-link { padding: 8px 14px; border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; transition: all var(--transition); white-space: nowrap; }
.top-nav-link:hover { background: var(--bg-elevated); color: var(--text-primary); text-decoration: none; }
.top-nav-link.active { background: var(--accent-blue); color: white; }
.top-nav-user { display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--gradient-hero); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; color: white; flex-shrink: 0; }
.nav-org-logo { height: 36px; border-radius: 4px; overflow: hidden; margin-right: -4px; }
.nav-org-logo img { height: 100%; width: auto; object-fit: contain; display: block; }

/* Auth Card */
.auth-card { max-width: 460px; margin: 0 auto; }
.auth-header { text-align: center; margin-bottom: 36px; }
.auth-header h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.auth-header p { color: var(--text-muted); font-size: 0.9rem; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border-color); }
.data-table th { font-weight: 600; color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; background: rgba(6,8,13,0.4); }

/* Week Pills */
.week-pills { display: flex; gap: 8px; padding: 12px 0; flex-wrap: wrap; }
.week-pill { padding: 8px 18px; border-radius: 100px; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); background: var(--bg-card); border: 1px solid var(--border-color); transition: all var(--transition); backdrop-filter:blur(8px); }
.week-pill:hover { border-color: var(--accent-blue); color: var(--accent-blue); text-decoration: none; }
.week-pill.active { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }

/* ============================================
   LAB PAGE — E-COMMERCE (ShopTech)
   ============================================ */
.shop-body { font-family:'Inter',system-ui,sans-serif; background:#f5f5f5; color:#1a1a1a; }
.shop-body a { color:#1a1a1a; }
.shop-body .shop-topbar { background:#131921; padding:8px 20px; display:flex; justify-content:flex-end; font-size:12px; }
.shop-body .shop-topbar a { color:#ccc; margin-left:16px; }
.shop-body .shop-topbar a:hover { color:#fff; }
.shop-body .shop-header { background:#232f3e; padding:12px 20px; display:flex; align-items:center; gap:16px; position:sticky; top:0; z-index:50; }
.shop-body .shop-logo { font-size:1.5rem; font-weight:800; color:#fff; text-decoration:none; }
.shop-body .shop-logo:hover { color:#fff; }
.shop-body .shop-logo span { color:#f90; }
.shop-body .shop-search { flex:1; display:flex; max-width:680px; }
.shop-body .shop-search select { background:#e6e6e6; border:none; padding:10px 8px; border-radius:6px 0 0 6px; font-size:13px; color:#555; cursor:pointer; }
.shop-body .shop-search input { flex:1; padding:10px 14px; border:none; font-size:14px; outline:none; }
.shop-body .shop-search button { background:#febd69; border:none; padding:10px 18px; border-radius:0 6px 6px 0; cursor:pointer; font-size:16px; }
.shop-body .shop-search button:hover { background:#f3a847; }
.shop-body .shop-nav-links { display:flex; gap:14px; align-items:center; }
.shop-body .shop-nav-links a { color:#fff; font-size:13px; text-decoration:none; white-space:nowrap; }
.shop-body .shop-nav-links a:hover { text-decoration:underline; }
.shop-body .shop-nav-links a strong { font-size:14px; }
.shop-body .shop-cart-badge { position:relative; }
.shop-body .shop-cart-badge::after { content:attr(data-count); position:absolute; top:-8px; right:-12px; background:#f90; color:#131921; font-size:11px; font-weight:700; width:18px; height:18px; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.shop-body .shop-subnav { background:#37475a; padding:8px 20px; display:flex; gap:16px; overflow-x:auto; }
.shop-body .shop-subnav a { color:#fff; font-size:13px; text-decoration:none; white-space:nowrap; }
.shop-body .shop-subnav a:hover { text-decoration:underline; }
.shop-body .shop-hero { background:linear-gradient(135deg,#232f3e 0%,#37475a 100%); padding:40px 20px; text-align:center; }
.shop-body .shop-hero h2 { color:#fff; font-size:clamp(1.5rem,4vw,2.5rem); font-weight:800; margin-bottom:8px; }
.shop-body .shop-hero p { color:#ccc; font-size:14px; }
.shop-body .shop-section { padding:20px; max-width:1400px; margin:0 auto; }
.shop-body .shop-section h3 { font-size:20px; font-weight:700; margin-bottom:16px; color:#1a1a1a; }
.shop-body .shop-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px; }
.shop-body .shop-card { background:#fff; border-radius:8px; overflow:hidden; transition:box-shadow 0.2s; cursor:pointer; border:1px solid #e0e0e0; }
.shop-body .shop-card:hover { box-shadow:0 4px 16px rgba(0,0,0,0.12); }
.shop-body .shop-card-img { height:220px; background:#fafafa; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.shop-body .shop-card-img svg { max-width:65%; max-height:65%; width:auto; height:auto; }
.shop-body .shop-card-img img { max-width:80%; max-height:80%; object-fit:contain; }
.shop-body .shop-card-info { padding:14px; }
.shop-body .shop-card-title { font-size:14px; color:#1a1a1a; line-height:1.4; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; min-height:40px; }
.shop-body .shop-card-title:hover { color:#c7511f; }
.shop-body .shop-card-rating { display:flex; align-items:center; gap:4px; margin:6px 0; }
.shop-body .shop-card-stars { color:#de7921; font-size:14px; letter-spacing:1px; }
.shop-body .shop-card-count { font-size:12px; color:#565959; }
.shop-body .shop-card-price { font-size:21px; font-weight:400; color:#1a1a1a; margin:6px 0; }
.shop-body .shop-card-price sup { font-size:12px; }
.shop-body .shop-card-prime { font-size:12px; color:#565959; }
.shop-body .shop-card-prime b { color:#1a1a1a; }
.shop-body .shop-deal-banner { background:linear-gradient(90deg,#ff9900,#ff6600); color:#fff; text-align:center; padding:14px; font-weight:700; font-size:16px; }
.shop-body .shop-footer { background:#232f3e; color:#ddd; padding:40px 20px 20px; margin-top:40px; }
.shop-body .shop-footer-inner { max-width:1000px; margin:0 auto; display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.shop-body .shop-footer h4 { color:#fff; font-size:14px; margin-bottom:12px; }
.shop-body .shop-footer a { color:#999; font-size:13px; display:block; padding:3px 0; }
.shop-body .shop-footer a:hover { color:#fff; text-decoration:underline; }
.shop-body .shop-footer-bottom { text-align:center; padding-top:24px; margin-top:24px; border-top:1px solid #3a4553; font-size:12px; color:#999; }

/* Product placeholder images */
.prod-img { width:100%; height:100%; display:flex; align-items:center; justify-content:center; }
.prod-img svg { width:60%; height:60%; }

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .hero { padding: 100px 0 80px; }
    .hero-stats { gap: 28px; }
    .org-grid { gap: 14px; }
    .org-logo { width: 120px; height: 44px; }
    .syl-grid { grid-template-columns: 1fr; }
    .top-nav { padding: 10px 0; }
    .top-nav-inner { flex-wrap: wrap; gap: 10px; }
    .top-nav-start { flex-shrink: 0; }
    .top-nav-links { width: 100%; order: 3; justify-content: center; }
    .top-nav-link { padding: 6px 10px; font-size: 0.8rem; }
    .top-nav-user span { display: none; }
    .nav-org-logo { height: 28px; }
    .week-pills { width: 100%; order: 3; padding: 8px 0; justify-content: center; }
    .week-pill { padding: 6px 12px; font-size: 0.75rem; }
    .shop-body .shop-header { flex-wrap:wrap; }
    .shop-body .shop-search { order:3; max-width:100%; width:100%; }
    .shop-body .shop-nav-links { display:none; }
    .shop-body .shop-grid { grid-template-columns:repeat(2,1fr); }
    .shop-body .shop-footer-inner { grid-template-columns:repeat(2,1fr); }
    .lab-overlay { width: 100%; }
}
@media (max-width: 480px) {
    .shop-body .shop-grid { grid-template-columns:1fr; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 300px; }
}

/* Lab Overlay */
.lab-overlay { position: fixed; top: 0; right: 0; width: 440px; max-width: 100%; height: 100vh; background: #0c1020; border-left: 1px solid var(--border-color); overflow-y: auto; z-index: 200; box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); }
.lab-overlay.open { transform: translateX(0); }
.lab-overlay-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 199; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; }
.lab-overlay-backdrop.open { opacity: 1; pointer-events: auto; }
.lab-overlay-header { position: sticky; top: 0; background: rgba(12,16,32,0.95); backdrop-filter:blur(12px); border-bottom: 1px solid var(--border-color); padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; z-index: 1; }
.lab-overlay-close { width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); background: transparent; color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: all var(--transition); }
.lab-overlay-close:hover { background: var(--bg-elevated); color: var(--text-primary); }
.lab-overlay-body { padding: 24px; }

/* Progressive Hints */
.hints-area { margin-top: 20px; }
.hint-step { padding: 18px; background: rgba(6,8,13,0.6); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 12px; }
.hint-step:last-child { margin-bottom: 0; }
.hint-step.revealed { border-color: var(--accent-blue); animation: fadeInUp 0.4s ease-out; }
.hint-step-content { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-top: 10px; }
.hint-step-content code { background: var(--bg-elevated); padding: 2px 7px; border-radius: 5px; font-family: 'SF Mono','Fira Code',monospace; font-size: 0.85em; color: #e2e8f0; }
.hint-step-content pre { background: rgba(6,8,13,0.8); border: 1px solid var(--border-color); padding: 14px; border-radius: var(--radius-sm); overflow-x: auto; font-family: 'SF Mono','Fira Code',monospace; font-size: 0.85rem; margin-top: 10px; color: #e2e8f0; line-height: 1.5; }
.hint-reveal-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; background: transparent; border: 1px dashed var(--border-light); border-radius: var(--radius-sm); color: var(--text-muted); font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all var(--transition); margin-top: 10px; }
.hint-reveal-btn:hover { border-color: var(--accent-blue); color: var(--accent-blue); background: rgba(79,143,247,0.05); }

/* Flag Box */
.flag-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 24px; margin-top: 20px; backdrop-filter:blur(8px); }
.flag-box.solved { border-color: var(--accent-green); background: rgba(18,201,138,0.06); }

/* Lab Toggle */
.lab-toggle-wrap { position: fixed; bottom: 28px; right: 28px; z-index: 150; display:flex; flex-direction:column; align-items:flex-end; gap:8px; }
.lab-toggle-label { background:var(--accent-blue); color:white; padding:8px 16px; border-radius:var(--radius-sm); font-size:13px; font-weight:600; box-shadow:0 4px 14px rgba(79,143,247,0.3); animation:fadeInUp 0.5s ease-out 1s both; white-space:nowrap; }
.lab-toggle-label::after { content:''; position:absolute; bottom:-6px; right:24px; width:12px; height:12px; background:var(--accent-blue); transform:rotate(45deg); }
.lab-toggle { width: 58px; height: 58px; border-radius: 50%; background: var(--accent-blue); color: white; border: none; cursor: pointer; box-shadow: 0 4px 22px rgba(79,143,247,0.45); display: flex; align-items: center; justify-content: center; font-size: 22px; transition: all var(--transition); }
.lab-toggle:hover { transform: scale(1.1); box-shadow: 0 6px 32px rgba(79,143,247,0.55); }

/* Flag Capture Celebration */
#confettiCanvas { position:fixed; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:9998; }
.flag-capture-overlay { position:fixed; inset:0; z-index:9999; display:flex; align-items:center; justify-content:center; background:rgba(0,0,0,0.75); backdrop-filter:blur(8px); opacity:0; pointer-events:none; transition:opacity 0.4s; }
.flag-capture-overlay.active { opacity:1; pointer-events:auto; }
.flag-capture-box { text-align:center; transform:scale(0.85); transition:transform 0.4s cubic-bezier(0.34,1.56,0.64,1); }
.flag-capture-overlay.active .flag-capture-box { transform:scale(1); }
.flag-capture-box h2 { font-size:2.5rem; font-weight:900; margin-bottom:8px; }
.flag-capture-box .trophy { font-size:4rem; margin-bottom:16px; display:block; animation:bounce 0.6s ease-in-out infinite alternate; }
.flag-capture-box p { color:#a1a1aa; font-size:1.1rem; margin-bottom:24px; }
.flag-capture-box .flag-capture-close { padding:12px 32px; background:var(--accent-blue); color:white; border:none; border-radius:var(--radius-sm); font-size:1rem; font-weight:600; cursor:pointer; transition:all var(--transition); }
.flag-capture-box .flag-capture-close:hover { background:#3b82f6; transform:translateY(-2px); }
.flag-capture-box .flag-capture-next { display:inline-block; padding:12px 32px; background:var(--accent-green); color:white; border:none; border-radius:var(--radius-sm); font-size:1rem; font-weight:600; cursor:pointer; transition:all var(--transition); text-decoration:none; margin-bottom:12px; }
.flag-capture-box .flag-capture-next:hover { transform:translateY(-2px); }
@keyframes bounce { from{transform:translateY(0)} to{transform:translateY(-12px)} }

/* Challenge Intro Modal */
.challenge-modal { position:fixed; inset:0; z-index:300; display:flex; align-items:center; justify-content:center; background:rgba(0,0,0,0.7); backdrop-filter:blur(6px); opacity:0; pointer-events:none; transition:opacity 0.3s; }
.challenge-modal.open { opacity:1; pointer-events:auto; }
.challenge-modal-box { background:#0c1020; border:1px solid var(--border-color); border-radius:var(--radius-lg); padding:36px; max-width:480px; width:90%; text-align:center; transform:scale(0.95); transition:transform 0.3s; }
.challenge-modal.open .challenge-modal-box { transform:scale(1); }
.challenge-modal-box h3 { font-size:1.4rem; font-weight:800; margin-bottom:8px; }
.challenge-modal-box p { color:var(--text-secondary); font-size:0.95rem; margin-bottom:24px; line-height:1.6; }