:root{
  --primary:#b42318;
  --primary-dark:#8f1c13;
  --bg:#f7f7f8;
  --panel:#ffffff;
  --text:#18181b;
  --muted:#71717a;
  --border:#e4e4e7;
  --success:#067647;
  --danger:#b42318;
  --warning:#b54708;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.install-body{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:min(100%,460px);background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:24px}
.brand{font-size:24px;font-weight:800;margin-bottom:18px}.brand span{color:var(--primary)}
h1{font-size:24px;margin:0 0 8px}h2{font-size:17px;margin:24px 0 10px}
label{display:block;font-weight:700;font-size:14px;margin:12px 0}
input,select,textarea{width:100%;margin-top:6px;border:1px solid var(--border);border-radius:10px;padding:12px;font-size:16px;background:#fff;color:var(--text)}
input[type=date]{padding:10px}
textarea{min-height:90px;resize:vertical}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:10px;padding:11px 15px;font-size:15px;font-weight:700;cursor:pointer}
.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}
.button.secondary{background:#fff;border:1px solid var(--border)}
.button.danger{background:var(--danger);color:#fff}
.full{width:100%}.small{font-size:13px}.muted{color:var(--muted)}
.alert{padding:12px;border-radius:10px;margin:14px 0}.alert.success{background:#ecfdf3;color:var(--success)}.alert.danger{background:#fef3f2;color:var(--danger)}.alert.warning{background:#fffaeb;color:var(--warning)}
.app{min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}
.topbar .brand{font-size:20px;margin:0}.userbox{text-align:right;font-size:13px}
.container{width:min(100%,1180px);margin:0 auto;padding:18px 16px 90px}
.nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.nav a{padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:10px;font-size:14px;font-weight:700}.nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.grid{display:grid;gap:14px}.metrics{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}
.metric-label{color:var(--muted);font-size:13px}.metric-value{font-size:25px;font-weight:800;margin-top:7px}.metric-sub{font-size:12px;color:var(--muted);margin-top:5px}
.section-head{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:22px 0 10px}.section-head h2{margin:0;font-size:19px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:end}.toolbar label{margin:0;min-width:140px}.toolbar input,.toolbar select{padding:9px;font-size:14px}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:14px}
table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);font-size:14px}th{font-size:12px;text-transform:uppercase;color:var(--muted);background:#fafafa}td.amount{text-align:right;font-weight:800}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#f4f4f5}.badge.success{background:#ecfdf3;color:var(--success)}.badge.warning{background:#fffaeb;color:var(--warning)}.badge.danger{background:#fef3f2;color:var(--danger)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid .span-2{grid-column:span 2}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.note{border-left:4px solid var(--primary);background:#fff;padding:12px;border-radius:8px;margin:16px 0}
.bottom-nav{display:none}
.kpi-positive{color:var(--success)}.kpi-negative{color:var(--danger)}
pre.api-key{white-space:pre-wrap;word-break:break-all;background:#18181b;color:#fff;padding:12px;border-radius:10px}
.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:800px){
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}
  .nav{display:none}.container{padding-bottom:92px}
  .bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);z-index:30}
  .bottom-nav a{padding:10px 5px;text-align:center;font-size:11px;color:var(--muted)}
  .bottom-nav a.active{color:var(--primary);font-weight:800}
  .topbar{padding:10px 12px}
}
@media(max-width:430px){
  .metrics{grid-template-columns:1fr 1fr}.metric-value{font-size:20px}
  .container{padding-left:12px;padding-right:12px}
  .card{padding:13px}
}