@import url('https://api.fontshare.com/v2/css?f[]=general-sans@600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --primary:#6366F1;
  --primary-hover:#4F46E5;
  --neutral:#9C9C9C;
  --bg:#FAFAFA;
  --surface:#FFFFFF;
  --text:#0A0A0A;
  --text-secondary:#6B6B6B;
  --border:#E8E8EC;
  --success:#10B981;
  --warning:#F59E0B;
  --error:#EF4444;
  --ring:0 0 0 3px rgba(99,102,241,.12);
}
*{box-sizing:border-box}
body{margin:0;font-family:"DM Sans",Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
h1,h2,h3,.admin-brand,.topbar strong{font-family:"General Sans","DM Sans",Arial,sans-serif;font-weight:700;letter-spacing:0}
a{color:var(--primary);font-weight:700;text-decoration:none}
.btn,button{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);border-radius:6px;background:transparent;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;color:var(--text);transition:transform .2s,box-shadow .2s,border-color .2s,background .2s}
.btn.primary,button.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover,button.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 4px 12px rgba(99,102,241,.35);transform:translateY(-1px)}
.btn:hover,button:hover{transform:translateY(-1px);border-color:var(--primary);box-shadow:var(--ring)}
.btn.ghost{background:transparent}
.login-page{min-height:100vh;display:grid;place-items:center;background:var(--bg)}
.login-card{width:min(420px,92vw);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px}
.login-card h1{font-size:32px;margin:0;color:var(--text)}
.login-card p{color:var(--text-secondary);margin:6px 0 24px}
.login-card small{display:block;color:var(--text-secondary);margin-top:16px}
.login-card label,.admin-form label{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;font-weight:700}
input,select,textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:10px 14px;font:inherit;font-size:14px;background:var(--surface);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}
textarea{resize:vertical}
.form-hint{color:var(--text-secondary);font-weight:500;line-height:1.4}
.sidebar{position:fixed;inset:0 auto 0 0;width:292px;background:var(--surface);color:var(--text);padding:16px;border-right:1px solid var(--border);overflow-y:auto}
.admin-brand{display:flex;align-items:center;gap:10px;font-size:24px;line-height:1;color:var(--text);margin:8px 8px 24px}
.brand-mark{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:13px;font-family:"JetBrains Mono",Consolas,monospace;font-weight:700}
.admin-nav{display:grid;gap:18px;padding-bottom:24px}
.nav-group{display:grid;gap:4px}
.nav-group-title{display:block;padding:0 12px 6px;color:var(--neutral);font-size:11px;font-weight:700;text-transform:uppercase}
.nav-link{display:flex;align-items:center;gap:10px;color:var(--text-secondary);padding:9px 12px;border-radius:6px;font-size:14px;font-weight:500}
.nav-link:hover{background:#F3F3F6;color:var(--text);box-shadow:none;transform:none}
.nav-link.active{background:#EEF2FF;color:var(--primary)}
.nav-icon{width:18px;height:18px;flex:0 0 18px}
.admin-shell{margin-left:292px;min-height:100vh}
.topbar{height:56px;background:rgba(255,255,255,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:5}
.topbar button{display:none}
.topbar strong{font-size:18px}
.topbar span{margin-left:auto;color:var(--text-secondary);font-size:14px}
.admin-main{padding:24px;display:grid;gap:24px;max-width:1280px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.stat-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px}
.stat-card{padding:20px;transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.stat-card span{display:block;color:var(--text-secondary);font-weight:500;font-size:13px}
.stat-card strong{display:block;font-family:"General Sans","DM Sans",Arial,sans-serif;font-size:32px;line-height:1.1;margin-top:8px}
.panel{padding:24px}
.panel h2{font-size:24px;line-height:1.2;margin:0 0 20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.panel-head form{display:flex;gap:8px;flex-wrap:wrap}
.admin-form .form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.check,.checks{display:flex;gap:10px;align-items:center}
.checks label{flex-direction:row}
input[type=checkbox]{width:20px;height:20px;border-radius:999px;accent-color:var(--primary)}
.sale-line{display:grid;grid-template-columns:1fr 110px;gap:12px;margin-bottom:12px}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px}
table{width:100%;border-collapse:collapse;background:var(--surface)}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:top}
tbody tr:hover{background:#F8F8FB}
tr:last-child td{border-bottom:0}
th{font-size:11px;text-transform:uppercase;color:var(--text-secondary);font-weight:700}
td{font-size:14px;color:var(--text)}
.actions-cell{white-space:nowrap}
.actions-cell a{margin-right:8px}
.badge{display:inline-flex;padding:4px 12px;border-radius:999px;background:#EEF2FF;color:var(--primary);font-weight:700;font-size:12px}
.alert{padding:13px 15px;border-radius:8px;font-weight:700;border:1px solid transparent}
.alert.success{background:#ECFDF5;color:#047857;border-color:#A7F3D0}
.alert.error{background:#FEF2F2;color:#B91C1C;border-color:#FECACA}
code,pre,kbd{font-family:"JetBrains Mono",Consolas,monospace}
.print-page{background:#fff}
.receipt{max-width:760px;margin:24px auto;padding:24px;background:#fff}
.receipt.wide{max-width:1000px}
.receipt table{margin:18px 0}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.info-grid p{border:1px solid var(--border);padding:12px;border-radius:8px;margin:0}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:.2s;z-index:20}
  .sidebar.open{transform:translateX(0)}
  .admin-shell{margin-left:0}
  .topbar button{display:inline-flex}
  .admin-form .form-grid{grid-template-columns:1fr}
  .panel-head{align-items:flex-start;flex-direction:column}
  .sale-line{grid-template-columns:1fr}
  .actions-cell{white-space:normal}
}
@media print{
  .btn,button,.topbar,.sidebar{display:none!important}
  .admin-shell{margin:0}
  .receipt{margin:0;max-width:none}
  .panel{border:0}
}