:root{--tc-bg:#f6f7fb;--tc-card:#fff;--tc-text:#172033;--tc-muted:#6b7280;--tc-brand:#6d28d9;--tc-brand2:#9333ea;--tc-border:#e5e7eb;--tc-ok:#047857;--tc-danger:#b91c1c}*{box-sizing:border-box}body{margin:0;background:var(--tc-bg);color:var(--tc-text);font-family:Tahoma,Arial,sans-serif;line-height:1.7}.tc-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--tc-border);display:flex;align-items:center;justify-content:space-between;padding:14px 28px}.tc-logo{font-weight:900;color:var(--tc-brand);text-decoration:none;font-size:24px;letter-spacing:.5px}.tc-header nav a{display:inline-block;margin-inline:10px;text-decoration:none;color:var(--tc-text);font-weight:700}.tc-main{max-width:1280px;margin:0 auto;padding:28px 18px}.tc-footer{text-align:center;color:var(--tc-muted);padding:30px}.tc-hero{background:linear-gradient(135deg,var(--tc-brand),var(--tc-brand2));color:#fff;border-radius:24px;padding:40px;margin-bottom:24px;box-shadow:0 15px 40px rgba(109,40,217,.18)}.tc-hero h1{margin:0 0 8px;font-size:38px}.tc-hero p{margin:0;opacity:.95}.tc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.tc-card{background:var(--tc-card);border:1px solid var(--tc-border);border-radius:18px;padding:18px;box-shadow:0 8px 28px rgba(15,23,42,.06)}.tc-product{padding:0;overflow:hidden}.tc-product img{width:100%;height:230px;object-fit:cover;background:#eef2ff;display:block}.tc-product-body{padding:16px}.tc-product h3{font-size:16px;line-height:1.5;min-height:48px;margin:0 0 10px}.tc-price{font-weight:900;color:var(--tc-brand);font-size:18px}.tc-muted{color:var(--tc-muted)}.tc-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;background:var(--tc-brand);color:#fff;border:0;text-decoration:none;font-weight:800;cursor:pointer}.tc-btn.secondary{background:#111827}.tc-btn.light{background:#eef2ff;color:#3730a3}.tc-btn.danger{background:var(--tc-danger)}.tc-form{max-width:720px}.tc-form label{display:block;font-weight:800;margin:12px 0 6px}.tc-form input,.tc-form select,.tc-form textarea{width:100%;padding:12px 14px;border:1px solid var(--tc-border);border-radius:12px;background:#fff}.tc-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.tc-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:18px}.tc-stat strong{display:block;font-size:28px;color:var(--tc-brand)}.tc-table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}.tc-table th,.tc-table td{padding:12px;border-bottom:1px solid var(--tc-border);text-align:start}.tc-alert{padding:12px 14px;border-radius:12px;margin:12px 0;background:#ecfdf5;color:#065f46}.tc-alert.err{background:#fef2f2;color:#991b1b}.tc-product-view{display:grid;grid-template-columns:minmax(280px,430px) 1fr;gap:24px}.tc-product-view img{width:100%;border-radius:18px;background:#fff;border:1px solid var(--tc-border)}@media(max-width:760px){.tc-header{padding:12px 14px}.tc-main{padding:16px 10px}.tc-hero{padding:26px}.tc-hero h1{font-size:28px}.tc-row,.tc-product-view{grid-template-columns:1fr}.tc-product img{height:210px}}