/* CSTONE Business Manager — global design system */
:root{
  --navy:#0f172a; --navy-2:#111c33; --navy-3:#1e293b;
  --bg:#f6f7f9; --card:#ffffff; --border:#e6e8ee;
  --text:#111827; --muted:#6b7280;
  --blue:#2563eb; --blue-dark:#1d4ed8; --blue-soft:#eff6ff;
  --green:#16a34a; --green-soft:#ecfdf5;
  --red:#dc2626; --red-soft:#fef2f2;
  --amber:#d97706; --amber-soft:#fffbeb;
  --purple:#7c3aed; --purple-soft:#f5f3ff;
  --r:12px; --r-sm:8px;
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 10px 30px rgba(16,24,40,.12);
  --sidebar-w:248px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.pos{color:var(--green);font-weight:600}
.neg{color:var(--red);font-weight:600}

/* layout */
.app{display:block}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--navy);color:#cbd5e1;display:flex;flex-direction:column;z-index:60;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 14px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}
.brand-text{color:#fff;font-weight:600;display:flex;flex-direction:column;line-height:1.15}
.brand-text small{color:#94a3b8;font-weight:400;font-size:11px}
.nav-group{padding:14px 18px 6px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#64748b}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 18px;color:#cbd5e1;font-weight:500;font-size:13.5px;border-left:3px solid transparent}
.nav-link:hover{background:var(--navy-2);color:#fff}
.nav-link.active{background:var(--navy-3);color:#fff;border-left-color:var(--blue)}
.nav-link .pill{margin-left:auto;background:var(--red);color:#fff;border-radius:999px;font-size:11px;padding:1px 7px;font-weight:600}
.ico{width:7px;height:7px;border-radius:2px;background:#475569;flex:none}
.nav-link.active .ico{background:var(--blue)}
.sidebar-foot{margin-top:auto;padding:14px 18px;border-top:1px solid #1e293b;display:flex;align-items:center;gap:8px}
.who{display:flex;flex-direction:column;color:#fff;font-size:13px;overflow:hidden}
.who small{color:#94a3b8;font-size:11px}
.sidebar-foot .btn{margin-left:auto}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:55}
body.nav-open .sidebar-backdrop{display:block}

.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:12px 22px}
.topbar h1{font-size:17px}
.topbar-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.icon-btn{display:none;flex-direction:column;gap:3px;background:none;border:1px solid var(--border);border-radius:8px;padding:8px;cursor:pointer}
.icon-btn span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px}
.content{flex:1;padding:22px}
.container{max-width:1280px;margin:0 auto}
.foot{padding:18px 22px;color:var(--muted);font-size:12px;text-align:center}

/* cards + grid */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.card-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}
.card-head h3{font-size:14.5px}
.card-head .spacer{margin-left:auto}
.card-body{padding:16px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.kpis{display:grid;gap:14px;grid-template-columns:repeat(4,1fr);margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;box-shadow:var(--shadow)}
.kpi .label{font-size:12px;color:var(--muted);font-weight:500}
.kpi .value{font-size:22px;font-weight:700;margin-top:4px;letter-spacing:-.02em}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}
.kpi.blue .value{color:var(--blue)} .kpi.green .value{color:var(--green)}
.kpi.red .value{color:var(--red)} .kpi.amber .value{color:var(--amber)}
.kpi.purple .value{color:var(--purple)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--r-sm);border:1px solid transparent;padding:9px 14px;font-size:13.5px;font-weight:600;cursor:pointer;background:#fff;color:var(--text);font-family:inherit;transition:.15s}
.btn:hover{filter:brightness(.97)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-success{background:var(--green);color:#fff}
.btn-danger{background:var(--red);color:#fff}
.btn-warn{background:var(--amber);color:#fff}
.btn-outline{border-color:var(--border);background:#fff;color:var(--text)}
.btn-ghost{background:transparent;color:#cbd5e1;border-color:#334155}
.btn-sm{padding:6px 10px;font-size:12.5px}
.btn-block{width:100%}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* forms */
label{display:block;font-size:12.5px;font-weight:600;color:#374151;margin-bottom:5px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:var(--r-sm);font:inherit;font-size:13.5px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{min-height:78px;resize:vertical}
.field{margin-bottom:14px}
.form-grid{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
.form-grid.g2{grid-template-columns:repeat(2,1fr)}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.filters .field{margin:0;min-width:150px}
.filters .grow{flex:1;min-width:220px}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap;background:#fbfbfd}
td{padding:11px 14px;border-bottom:1px solid #f1f2f6;vertical-align:middle}
tbody tr:hover{background:#fafbfc}
tbody tr:last-child td{border-bottom:none}
.table-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}

/* badges + alerts */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:600}
.badge.ok{background:var(--green-soft);color:var(--green)}
.badge.warn{background:var(--amber-soft);color:var(--amber)}
.badge.bad{background:var(--red-soft);color:var(--red)}
.badge.muted{background:#f3f4f6;color:var(--muted)}
.badge.info{background:var(--blue-soft);color:var(--blue)}
.badge.purple{background:var(--purple-soft);color:var(--purple)}
.alert{padding:11px 14px;border-radius:var(--r-sm);margin-bottom:14px;font-size:13.5px;border:1px solid transparent}
.alert-success{background:var(--green-soft);color:#14532d;border-color:#bbf7d0}
.alert-error{background:var(--red-soft);color:#7f1d1d;border-color:#fecaca}
.alert-info{background:var(--blue-soft);color:#1e3a8a;border-color:#bfdbfe}
.alert-warning{background:var(--amber-soft);color:#78350f;border-color:#fde68a}

.empty{padding:44px 20px;text-align:center;color:var(--muted)}
.empty h4{font-size:15px;color:var(--text);margin-bottom:6px}

.pagination{display:flex;gap:6px;align-items:center;padding:12px 16px;border-top:1px solid var(--border);flex-wrap:wrap}
.pagination a{padding:5px 10px;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12.5px}
.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.pagination .muted{margin-right:auto}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:flex-start;justify-content:center;padding:24px;z-index:80;overflow-y:auto}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:var(--r);width:100%;max-width:620px;box-shadow:var(--shadow-lg);margin:auto}
.modal-head{display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:15px}
.modal-head button{margin-left:auto;background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);line-height:1}
.modal-body{padding:16px}
.modal-foot{display:flex;gap:8px;justify-content:flex-end;padding:14px 16px;border-top:1px solid var(--border)}

/* toast */
.toast-wrap{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:100}
.toast{background:#111827;color:#fff;padding:10px 14px;border-radius:var(--r-sm);font-size:13px;box-shadow:var(--shadow-lg)}
.toast.ok{background:var(--green)} .toast.bad{background:var(--red)}

/* chart */
.chart{width:100%;height:230px;display:block}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);padding:0 16px 12px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}

/* auth */
.center-screen{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--bg)}
.auth-card{width:100%;max-width:400px;padding:26px}
.auth-card h2{font-size:19px;margin-bottom:4px}
.auth-card p.sub{color:var(--muted);margin:0 0 18px;font-size:13.5px}
.auth-logo{width:44px;height:44px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:14px}

/* product picker rows */
.line-row{display:grid;grid-template-columns:2.4fr .7fr .9fr 1.2fr .9fr auto;gap:8px;align-items:center;margin-bottom:8px}
.line-row .del{background:var(--red-soft);color:var(--red);border:none;border-radius:8px;padding:9px 11px;cursor:pointer;font-weight:700}
.totals{display:grid;gap:6px;max-width:320px;margin-left:auto;font-size:13.5px}
.totals div{display:flex;justify-content:space-between}
.totals .big{font-size:16px;font-weight:700;border-top:1px solid var(--border);padding-top:6px}

@media (max-width:1100px){.g4,.kpis{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .2s}
  body.nav-open .sidebar{transform:none}
  .main{margin-left:0}
  .icon-btn{display:flex}
  .g2,.g3{grid-template-columns:1fr}
  .content{padding:16px}
  .line-row{grid-template-columns:1fr 1fr;}
  .line-row .del{grid-column:span 2}
}
@media (max-width:560px){
  .kpis{grid-template-columns:1fr 1fr}
  .form-grid,.form-grid.g2{grid-template-columns:1fr}
  .btn{padding:11px 14px}
  table{font-size:13px}
}
@media print{
  .sidebar,.topbar,.foot,.no-print,.pagination{display:none!important}
  .main{margin:0}.content{padding:0}
  .card{box-shadow:none;border-color:#ddd}
}