:root{--bg:#f4f6fa;--panel:#fff;--ink:#172033;--muted:#6f7a8d;--brand:#ff5a36;--line:#e4e8ef;--nav:#111827}
*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:235px;background:var(--nav);color:#fff;padding:22px 14px;display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;font-size:20px;padding:5px 10px 25px}.brand span{color:var(--brand);font-size:28px}.brand small{font-weight:500;color:#9ca3af}
nav a{display:block;color:#cbd5e1;text-decoration:none;padding:12px 13px;border-radius:9px;margin:3px 0}nav a:hover{background:#263247;color:#fff}
.user{margin-top:auto;padding:12px;color:#9ca3af;font-size:13px}.user a{color:#fff}.main{margin-left:235px;padding:28px 32px}header h1{margin:0 0 22px;font-size:27px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 4px 18px rgba(23,32,51,.04)}
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}.metric b{display:block;font-size:27px}.metric span{color:var(--muted)}.metric.warn b{color:#d33}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}.toolbar form{display:flex;gap:8px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase}a{color:#2663d8}
input,select,textarea{width:100%;padding:10px 11px;border:1px solid #ccd3df;border-radius:8px;background:#fff;font:inherit}textarea{min-height:80px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:13px}.row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.form h2,.card h2{margin-top:0}
.btn{display:inline-block;border:1px solid #ccd3df;background:#fff;color:var(--ink);padding:10px 14px;border-radius:9px;text-decoration:none;cursor:pointer;font-weight:700}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.full{width:100%}
.alert{padding:12px 15px;border-radius:9px;margin-bottom:15px}.success{background:#e8f8ef;color:#17733d}.danger{background:#fdecec;color:#9b2525}.warning{background:#fff5df;color:#8b5a00}
.pill{display:inline-block;background:#edf1f7;padding:4px 8px;border-radius:999px;font-size:12px}.bad{color:#c53030;font-weight:700}
.po-row{display:grid;grid-template-columns:1fr 150px 160px;gap:10px;margin-bottom:10px}.small{max-width:100px}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#111827,#263247)}.login-card{width:380px;background:#fff;padding:36px;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.3)}.login-card h1{text-align:center;margin:8px 0}.login-card p{text-align:center;color:var(--muted)}.logo-big{text-align:center;color:var(--brand);font-size:48px}.login-card small{display:block;text-align:center;color:var(--muted);margin-top:14px}
@media(max-width:1050px){.cards{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.row{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.sidebar{position:static;width:100%;height:auto}.main{margin:0;padding:18px}.cards{grid-template-columns:1fr}.po-row{grid-template-columns:1fr}.row{grid-template-columns:1fr}}

.order-edit-row{display:grid;grid-template-columns:180px 1fr 100px 110px;gap:10px;margin-bottom:10px}.danger-zone{margin-top:18px;border-left:5px solid var(--brand)}hr{border:0;border-top:1px solid var(--line);margin:15px 0}@media(max-width:720px){.order-edit-row{grid-template-columns:1fr}}

.table-wrap{overflow-x:auto}.filter-bar{display:grid;grid-template-columns:2fr repeat(3,1fr) auto auto;gap:10px;align-items:end}.manual-order-row{display:grid;grid-template-columns:1fr 100px 130px 110px;gap:10px;margin-bottom:10px}.pill.paid{background:#dcfce7;color:#166534}.pill.unpaid{background:#fee2e2;color:#991b1b}.check-label{display:flex;gap:8px;align-items:center}.check-label input{width:auto}@media(max-width:900px){.filter-bar,.manual-order-row{grid-template-columns:1fr}}
.sort-link{color:inherit;text-decoration:none;display:block}.muted{color:#64748b;font-size:.92rem}.product-hero{display:flex;gap:20px;align-items:center;margin-bottom:16px}.product-image-box{width:170px;height:130px;border:1px solid #dbe3ed;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#f8fafc}.product-image-box img{width:100%;height:100%;object-fit:contain}.image-placeholder{color:#94a3b8}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0}.metric{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:14px}.metric small{display:block;color:#64748b;margin-bottom:6px}.metric strong{font-size:1.25rem}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0 0}.tab-btn{border:1px solid #cbd5e1;background:#f8fafc;padding:10px 14px;border-radius:8px 8px 0 0;cursor:pointer}.tab-btn.active{background:#fff;border-bottom-color:#fff;font-weight:700}.tab-panel{display:none}.tab-panel.active{display:block}