:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--blue:#155eef;--nav:#0d1b2a;--danger:#b42318;--success:#027a48}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px Inter,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--blue);text-decoration:none}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #d0d5dd;border-radius:9px;background:#fff}textarea{min-height:80px}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:linear-gradient(180deg,#0d1b2a,#081521);color:#dbe6f3;padding:18px 13px;display:flex;flex-direction:column;z-index:20}.logo{display:flex;gap:10px;align-items:center;padding:5px 8px 20px}.logo b{display:block;font-size:13px}.logo small{display:block;color:#7e91a7;font-size:9px}.brand-mark{width:54px;height:54px;border-radius:15px;background:linear-gradient(135deg,#2f80ff,#0b4dcc);display:grid;place-items:center;color:#fff;font-weight:900}.brand-mark.sm{width:38px;height:38px;border-radius:10px;font-size:12px}.sidebar nav{overflow:auto}.sidebar nav a{display:flex;gap:11px;align-items:center;color:#b8c6d7;padding:9px 11px;border-radius:8px;margin:2px 0}.sidebar nav a:hover,.sidebar nav a.active{background:#fff1;color:#fff}.sidebar nav a:first-letter{width:18px}.nav-title{font-size:9px;letter-spacing:1.5px;color:#6e8197;padding:16px 11px 5px}.side-bottom{margin-top:auto;border-top:1px solid #ffffff12;padding-top:12px}.user-chip{display:flex;gap:9px;align-items:center}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#244867;font-weight:800}.user-chip b,.user-chip small{display:block}.user-chip small{font-size:9px;color:#8293a8}.logout{display:block;color:#ffb4ab;margin-top:10px;padding:7px}.main{margin-left:260px;min-height:100vh}.topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:10}.top-date{margin-left:auto;color:var(--muted);font-size:12px}.menu-toggle{display:none}.content{padding:25px;max-width:1600px;margin:auto}.page-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.page-head h2{margin:0 0 4px;font-size:24px}.muted{color:var(--muted);margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:#344054;font-weight:700;cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.full{width:100%;margin-top:12px}.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:13px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px;color:var(--text);box-shadow:0 2px 8px #10182808}.stat-card span{display:block;color:var(--muted);font-size:12px}.stat-card strong{display:block;font-size:19px;margin-top:5px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:18px;box-shadow:0 2px 8px #10182808}.card-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}.card-head h3{margin:0}table{width:100%;border-collapse:collapse}th,td{padding:11px 13px;border-bottom:1px solid var(--line);text-align:left}th{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:#667085;background:#fbfcfe}tr:last-child td{border-bottom:0}code{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;background:#f2f4f7;padding:3px 5px;border-radius:5px}.badge{display:inline-block;border-radius:99px;background:#eef2f6;color:#475467;padding:4px 8px;font-size:10px;font-weight:800}.badge.success{background:#ecfdf3;color:var(--success)}.badge.danger{background:#fef3f2;color:var(--danger)}.alert{border:1px solid;border-radius:9px;padding:10px 13px;margin-bottom:15px}.alert.success{background:#ecfdf3;border-color:#abefc6;color:#067647}.alert.danger{background:#fef3f2;border-color:#fecdca;color:#b42318}.alert.warning{background:#fffaeb;border-color:#fedf89;color:#b54708}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px}.form-grid label{display:flex;flex-direction:column;gap:6px;font-weight:650}.form-grid.one{grid-template-columns:1fr}.span-2{grid-column:span 2}.span-3{grid-column:1/-1}.form-actions{grid-column:1/-1;display:flex;gap:8px}.pad{padding:18px}.toolbar{padding:13px;border-bottom:1px solid var(--line)}.toolbar form{display:flex;gap:7px;max-width:520px}.actions{display:flex;gap:10px;white-space:nowrap}.link{border:0;background:none;padding:0;cursor:pointer;color:var(--blue)}.danger-text{color:var(--danger)}.empty{text-align:center;color:#98a2b3;padding:28px}.scanner{margin:0 18px 12px;padding:14px;background:#eef4ff;border:1px solid #cfe0ff;border-radius:10px}.scanner span{font-size:20px}.scanner input{margin:8px 0}.scanner small{color:#667085}.sale-row{display:grid;grid-template-columns:2fr 110px 150px 70px;gap:8px;padding:8px 18px;border-bottom:1px solid var(--line);align-items:center}.sale-row small{display:block;color:#667085;margin-top:3px}.sale-total{text-align:right;padding:18px;font-size:17px}.sale-total strong{font-size:23px}.settings{padding:20px}.setting{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}footer{text-align:center;color:#98a2b3;padding:22px}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#eaf2ff,#f5f7fb 55%)}.login-card{width:min(420px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 20px 60px #10182812}.login-card h1{font-size:21px;margin:16px 0 4px}.login-card label{display:block;font-weight:650;margin-top:14px}.login-card input{margin-top:7px}.login-card .brand-mark{width:54px}.login-card .muted{margin-bottom:16px}@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar-open .sidebar{transform:translateX(0)}.main{margin-left:0}.menu-toggle{display:block;border:0;background:none;font-size:22px;margin-right:10px}.two-col{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.content{padding:15px}.page-head{flex-direction:column;align-items:flex-start}.stats-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.span-2,.span-3{grid-column:auto}.sale-row{grid-template-columns:1fr}.card{overflow-x:auto}.card-head{min-width:520px}}