:root{--bg:#f5f6f8;--surface:#ffffff;--border:#e2e5ea;--text:#1f2430;--text-muted:#5b6270;--accent:#2f6fed;--accent-dark:#1f52b8;--accent-soft:#eaf1ff;--danger:#d64545;--danger-soft:#fdecec;--success:#1f8a4c;--radius:14px;--shadow:0 1px 3px rgba(20,24,33,0.06),0 8px 24px rgba(20,24,33,0.04)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:18px;line-height:1.5}a{color:var(--accent)}h1,h2,h3{line-height:1.25}.site-header{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:baseline;gap:8px;font-size:20px;font-weight:700;text-decoration:none;color:var(--text)}.brand span{color:var(--accent)}.container{max-width:980px;margin:0 auto;padding:40px 24px 80px}.container.narrow{max-width:560px}.page-title{font-size:30px;font-weight:700;margin:0 0 8px}.page-subtitle{color:var(--text-muted);margin:0 0 36px;font-size:18px}.kit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:20px;gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.kit-card{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;transition:transform .12s ease,box-shadow .12s ease}.kit-card:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(20,24,33,.08),0 14px 30px rgba(20,24,33,.07)}.kit-card h2{margin:0;font-size:22px}.kit-card .audience{font-size:15px;color:var(--accent-dark);background:var(--accent-soft);display:inline-block;padding:4px 10px;border-radius:999px;width:-moz-fit-content;width:fit-content}.kit-card p{margin:0;color:var(--text-muted);font-size:16px}.kit-card .go{margin-top:auto;font-weight:600;color:var(--accent)}.app-list{display:flex;flex-direction:column;gap:16px}.app-card{gap:20px;padding:20px}.app-card,.app-icon{display:flex;align-items:center}.app-icon{width:56px;height:56px;border-radius:12px;background:var(--accent-soft);justify-content:center;font-size:24px;font-weight:700;color:var(--accent-dark);flex-shrink:0;overflow:hidden}.app-icon img{width:100%;height:100%;object-fit:cover}.app-info{flex:1 1;min-width:0}.app-info h3{margin:0 0 4px;font-size:19px}.app-info p{margin:0;color:var(--text-muted);font-size:15px}.app-info details{margin-top:8px}.app-info summary{cursor:pointer;color:var(--accent);font-size:14px;font-weight:600}.app-info .instructions{margin-top:8px;font-size:15px;color:var(--text);background:var(--bg);border-radius:8px;padding:10px 14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;border:none;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .12s ease,transform .05s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:#f9d7d7}.btn-sm{padding:8px 14px;font-size:14px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:24px;color:var(--text-muted);text-decoration:none;font-size:15px}.back-link:hover{color:var(--accent)}.admin-shell{display:flex;min-height:100vh}.admin-nav{width:220px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;gap:4px}.admin-nav .brand{padding:0 8px 20px}.admin-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:15px;font-weight:500}.admin-nav a:hover{background:var(--bg)}.admin-nav .logout{margin-top:auto}.admin-main{flex:1 1;padding:32px 40px;max-width:900px}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-table td,.data-table th{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);font-size:15px}.data-table th{background:var(--bg);font-weight:600;color:var(--text-muted)}.data-table tr:last-child td{border-bottom:none}.row-actions{display:flex;gap:8px}.toolbar{display:flex;align-items:center;justify-content:space-between}.form-field,.toolbar{margin-bottom:20px}.form-field label{display:block;font-weight:600;margin-bottom:6px;font-size:15px}.form-field .hint{font-size:13px;color:var(--text-muted);margin-top:4px}.form-field input[type=password],.form-field input[type=text],.form-field input[type=url],.form-field select,.form-field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;background:var(--surface);color:var(--text)}.form-field textarea{resize:vertical;min-height:80px}.radio-row{display:flex;gap:20px}.radio-row label{display:flex;align-items:center;gap:6px;font-weight:500;font-size:15px}.checkbox-grid{display:flex;flex-direction:column;gap:10px;border:1px solid var(--border);border-radius:10px;padding:14px;max-height:360px;overflow-y:auto}.checkbox-grid label{display:flex;align-items:center;gap:10px;font-size:15px}.alert{padding:12px 16px;border-radius:8px;font-size:15px;margin-bottom:20px}.alert-error{background:var(--danger-soft);color:var(--danger)}.alert-success{background:#e6f6ec;color:var(--success)}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:16px;gap:16px;margin-bottom:32px}.stat-card{padding:20px}.stat-card .number{font-size:32px;font-weight:700}.stat-card .label{color:var(--text-muted);font-size:15px}form.inline{display:inline}