*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f7fb;color:#172033}
header{background:#111827;color:#fff;padding:18px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;position:sticky;top:0;z-index:10}
header h1{margin:0;font-size:22px}header p{margin:4px 0 0;opacity:.7;font-size:12px}main{max-width:1100px;margin:auto;padding:16px}
.hidden{display:none!important}.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px;margin-bottom:14px}.setup{border-left:4px solid #111827}
nav{display:flex;gap:8px;overflow:auto;margin-bottom:16px}nav button{background:#eef2f7;color:#374151}nav button.active{background:#111827;color:#fff}
button{border:0;border-radius:9px;padding:11px 14px;background:#111827;color:#fff;font-weight:700;min-height:44px;cursor:pointer}.secondary,.ghost{background:#eef2f7;color:#111827}.ghost{background:#ffffff1a;color:white}
.page{display:none}.page.active{display:block}.pagehead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.pagehead h2,.page h2{margin:0 0 10px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin-bottom:14px}.stat{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px}.stat span{display:block;font-size:12px;color:#6b7280}.stat b{display:block;font-size:21px;margin-top:5px}
.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-bottom:12px}label{font-size:12px;font-weight:700;color:#4b5563}
input,select{width:100%;margin-top:5px;padding:11px;border:1px solid #d1d5db;border-radius:9px;background:#fff;font-size:16px}.search{margin-bottom:12px}
.tablewrap{overflow:auto;background:white;border:1px solid #e5e7eb;border-radius:14px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px;border-bottom:1px solid #eef0f3;text-align:left;font-size:13px;vertical-align:top}th{background:#f8fafc;color:#4b5563}
.badge{display:inline-block;padding:4px 7px;border-radius:12px;font-size:11px;font-weight:800}.ok{background:#dcfce7;color:#166534}.low{background:#fef3c7;color:#92400e}.sold{background:#fee2e2;color:#991b1b}
.small{font-size:12px;color:#6b7280}.actions{display:flex;gap:8px;flex-wrap:wrap}.auth{max-width:460px;margin:30px auto}
.modal{position:fixed;inset:0;background:#0008;z-index:30;display:flex;align-items:flex-end}.sheet{background:#fff;width:100%;max-width:720px;margin:auto;padding:18px;border-radius:18px 18px 0 0;max-height:90vh;overflow:auto}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:22px;z-index:50}
code{background:#eef2f7;padding:2px 5px;border-radius:5px}