:root{--bg:#f3f4f6;--text:#111827;--card:#fff;--top:#111827}.dark{--bg:#111827;--text:#f3f4f6;--card:#1f2937;--top:#000}body{background:var(--bg)!important;color:var(--text)!important}.card,.form-card,.empty{background:var(--card)!important}.topbar{background:var(--top)!important}table,th,td,input,select,textarea{color:var(--text)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f4f6;color:#111827}.topbar{position:sticky;top:0;z-index:10;background:#111827;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:14px 18px}.brand{font-size:22px;font-weight:800;color:#fff;text-decoration:none}.topbar nav a{color:#fff;text-decoration:none;margin-left:14px;font-size:14px}.container{max-width:1100px;margin:auto;padding:22px}.hero{background:linear-gradient(135deg,#111827,#374151);color:#fff;border-radius:24px;padding:32px;margin-bottom:22px}.hero h1{margin:0 0 8px;font-size:34px}.hero p{opacity:.9}.search{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.search input,.search select,.search button,input,select,textarea,button{border:1px solid #d1d5db;border-radius:12px;padding:12px;font-size:15px}.search input{flex:1;min-width:220px}.search button,button,.btn,.open-btn{background:#111827;color:#fff;border:0;text-decoration:none;display:inline-block;border-radius:12px;padding:12px 16px;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.card,.form-card{background:#fff;border-radius:20px;padding:20px;box-shadow:0 10px 25px rgba(0,0,0,.06)}.store-row{display:flex;gap:12px;align-items:center}.logo{width:48px;height:48px;border-radius:14px;object-fit:cover;background:#e5e7eb}.badge{background:#eef2ff;color:#3730a3;padding:5px 9px;border-radius:999px;font-size:12px}.discount{font-weight:700;color:#047857}.terms,.expiry{color:#6b7280;font-size:14px}.code-row{display:flex;align-items:center;gap:10px;margin:14px 0}code{background:#f9fafb;border:1px dashed #9ca3af;padding:12px;border-radius:12px;flex:1;font-weight:800;letter-spacing:1px}.copy-btn{background:#059669}.open-btn{width:100%;text-align:center;margin-top:8px}.empty{text-align:center;background:#fff;border-radius:18px;padding:30px}.form-card{max-width:620px;margin:auto}.form-card form{display:flex;flex-direction:column;gap:10px}.form-card label{font-weight:700;margin-top:8px}.check{display:flex;gap:8px;align-items:center}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}.btn{margin-left:8px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #e5e7eb;padding:10px;font-size:14px}.inline{display:inline}.inline button{background:#dc2626;padding:8px 10px;margin-left:6px}.alert{padding:12px;border-radius:12px;margin-bottom:10px}.success{background:#d1fae5}.danger{background:#fee2e2}.warning{background:#fef3c7}.info{background:#dbeafe}@media(max-width:600px){.topbar{align-items:flex-start;gap:8px;flex-direction:column}.hero h1{font-size:28px}.search button,.search select{width:100%}}