:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6e7890;--line:#e3e7ef;--primary:#155eef;--primary2:#0d49c7;--danger:#c73636;--ok:#147a45;--warn:#9a6500;--shadow:0 8px 24px rgba(20,32,60,.06)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif;font-size:14px}.topbar{min-height:64px;background:#111827;color:#fff;display:flex;align-items:center;gap:24px;padding:0 28px;position:sticky;top:0;z-index:20}.brand{font-weight:800;font-size:16px;white-space:nowrap}.topbar nav{display:flex;flex-wrap:wrap;gap:6px}.topbar a,.link-btn{color:#dbe4f4;text-decoration:none;background:none;border:0;cursor:pointer;padding:10px 11px;border-radius:8px;font-family:inherit}.topbar a:hover,.link-btn:hover{background:#23304a;color:#fff}.logout-form{margin-right:auto}.container{max-width:1450px;margin:28px auto;padding:0 22px}h1{font-size:25px;margin:0 0 8px}h3{margin:0 0 14px}.muted{color:var(--muted);margin:0}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.card,.purchase-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.purchase-card{padding:22px}.cards{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:14px;margin-bottom:20px}.cards.compact{grid-template-columns:repeat(4,1fr)}.metric span,.cards.compact span{display:block;color:var(--muted);margin-bottom:10px}.metric strong{font-size:20px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(250px,1fr));gap:16px}.header-grid{grid-template-columns:repeat(4,minmax(190px,1fr));background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:20px}label{display:flex;flex-direction:column;gap:7px;font-weight:700}label small{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cfd6e4;border-radius:9px;background:#fff;font:inherit;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #bfd1ff;border-color:var(--primary)}textarea{resize:vertical}.checkbox{flex-direction:row;align-items:center}.checkbox input{width:auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:9px;border:1px solid #ccd4e2;background:#fff;color:var(--text);text-decoration:none;font:inherit;cursor:pointer;font-weight:700}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.actions{grid-column:1/-1;display:flex;gap:10px;margin-top:4px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:right;padding:12px 13px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;color:#4f5b70;white-space:nowrap}tbody tr:hover{background:#fbfdff}a{color:var(--primary)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef1f6;color:#586174;font-size:12px}.badge.ok{background:#e8f7ef;color:var(--ok)}.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px}.alert.error{background:#fff0f0;color:#9a2727;border:1px solid #f4caca}.alert.warn{background:#fff8e7;color:var(--warn);border:1px solid #f0dfab}.info-box{margin-top:18px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#eef3ff;border:1px solid #dce6ff;padding:7px 10px;border-radius:999px}.pricing-box{border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;gap:10px}.section-title{display:flex;justify-content:space-between;align-items:center;margin:12px 0}.summary-bar{display:flex;gap:30px;justify-content:flex-end;padding:14px 4px 18px;font-size:15px}.danger-link{color:var(--danger);background:none;border:0;cursor:pointer;font:inherit}.serial-cell{white-space:pre-line;max-width:260px}.sticky-actions{position:sticky;bottom:12px;background:rgba(255,255,255,.95);padding:12px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.auth-card{max-width:420px;margin:70px auto;background:#fff;border:1px solid var(--line);padding:28px;border-radius:14px;box-shadow:var(--shadow)}.auth-card form{display:grid;gap:14px}.big-total{font-size:16px}.low td{background:#fff8ef}hr{border:0;border-top:1px solid var(--line);margin:22px 0}
@media(max-width:1000px){.topbar{align-items:flex-start;flex-direction:column;padding:16px}.logout-form{margin-right:0}.cards,.cards.compact{grid-template-columns:repeat(2,1fr)}.two-col,.form-grid,.header-grid{grid-template-columns:1fr}.container{padding:0 12px}.page-head{align-items:flex-start;flex-direction:column}}