/* RSL Billing — UI */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:14px/1.5 "Segoe UI",Roboto,Arial,sans-serif;background:#f4f6fa;color:#141922}
a{color:var(--accent,#2563eb);text-decoration:none}
a:hover{text-decoration:underline}
.shell{display:flex;min-height:100vh}

/* Sidebar */
.side{width:236px;flex:0 0 236px;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:16px 16px;border-bottom:1px solid #1e293b;font-weight:700;color:#fff;font-size:15px}
.brand img{max-height:30px;max-width:34px;border-radius:5px;background:#fff}
.side nav{padding:10px 8px;overflow:auto;flex:1}
.side nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#cbd5e1;font-size:13.5px;margin-bottom:2px}
.side nav a i{font-style:normal;width:18px;text-align:center;opacity:.8}
.side nav a:hover{background:#1e293b;color:#fff;text-decoration:none}
.side nav a.on{background:var(--accent,#2563eb);color:#fff}
.navsep{padding:14px 12px 6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#64748b}
.pill{margin-left:auto;background:#ef4444;color:#fff;border-radius:10px;padding:1px 7px;font-size:11px}
.sidefoot{padding:10px 16px;font-size:11px;color:#64748b;border-top:1px solid #1e293b}

/* Top bar */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:14px;background:#fff;border-bottom:1px solid #e5e9f0;padding:10px 20px;position:sticky;top:0;z-index:20}
.burger{display:none;border:0;background:none;font-size:20px;cursor:pointer}
.topsearch{flex:1;max-width:460px}
.topsearch input{width:100%;padding:8px 12px;border:1px solid #dfe4ec;border-radius:8px;background:#f8fafc}
.topright{margin-left:auto;display:flex;align-items:center;gap:12px}
.who{display:flex;align-items:center;gap:10px}
.who span{display:flex;flex-direction:column;line-height:1.15;font-weight:600}
.who small{font-weight:400;color:#7b879a;font-size:11px}
.pagehead{display:flex;align-items:center;gap:14px;padding:18px 20px 6px;flex-wrap:wrap}
.pagehead h1{margin:0;font-size:21px}
.pageactions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.content{padding:12px 20px 30px}
.foot{padding:14px 20px 24px;color:#8a94a6;font-size:12px}

/* Cards, grid */
.card{background:#fff;border:1px solid #e6eaf1;border-radius:12px;padding:16px;margin-bottom:16px}
.card h3{margin:0 0 12px;font-size:15px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{background:#fff;border:1px solid #e6eaf1;border-radius:12px;padding:14px 16px}
.kpi b{display:block;font-size:22px;margin-top:4px}
.kpi span{color:#7b879a;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.kpi.r b{color:#dc2626}.kpi.ok b{color:#059669}.kpi.b b{color:var(--accent,#2563eb)}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid #eef1f6;vertical-align:middle}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:#7b879a;background:#fafbfd}
tbody tr:hover{background:#fafcff}
.num{text-align:right}
.tablewrap{overflow:auto}
.muted{color:#7b879a}
.small{font-size:12px}

/* Forms */
label{display:block;font-size:12px;font-weight:600;color:#46506180;color:#465061;margin:0 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=search],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #dfe4ec;border-radius:8px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent,#2563eb);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{min-height:80px;resize:vertical}
.field{margin-bottom:12px}
.row{display:grid;gap:12px}
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-block;padding:8px 14px;border-radius:8px;background:var(--accent,#2563eb);color:#fff;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:600}
.btn:hover{filter:brightness(.94);text-decoration:none;color:#fff}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn.ghost{background:#fff;color:#334155;border-color:#dfe4ec}
.btn.ghost:hover{background:#f5f7fb;color:#334155}
.btn.danger{background:#dc2626}
.btn.ok{background:#059669}
.btn.warn{background:#d97706}

/* Badges + flash */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge.g{background:#eef1f6;color:#475569}
.badge.b{background:#e0edff;color:#1d4ed8}
.badge.ok{background:#dcfce7;color:#047857}
.badge.w{background:#fef3c7;color:#b45309}
.badge.r{background:#fee2e2;color:#b91c1c}
.flash{margin:10px 20px 0;padding:10px 14px;border-radius:9px;font-weight:600}
.flash.success{background:#dcfce7;color:#065f46;border:1px solid #a7f3d0}
.flash.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.flash.info{background:#e0edff;color:#1e40af;border:1px solid #bfdbfe}

/* Line item editor */
.items th{background:#f6f8fc}
.items td{padding:5px 6px}
.items input,.items select,.items textarea{padding:6px 8px;font-size:13px}
.items textarea{min-height:36px}
.drag{cursor:grab;color:#9aa3af}
.totbox{margin-left:auto;width:330px;max-width:100%}
.totbox .line{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed #eef1f6}
.totbox .line.big{font-size:17px;font-weight:700;border-bottom:none}

/* Chart */
.chart{display:flex;align-items:flex-end;gap:6px;height:190px;padding-top:8px}
.chart .bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:3px;height:100%}
.chart .bar .stack{width:100%;display:flex;gap:3px;align-items:flex-end;height:100%}
.chart .bar .v{flex:1;border-radius:4px 4px 0 0;min-height:2px}
.chart .bar .v.a{background:var(--accent,#2563eb)}
.chart .bar .v.b{background:#34d399}
.chart .bar span{font-size:10.5px;color:#7b879a}
.legend{display:flex;gap:14px;font-size:12px;color:#64748b;margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}

.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.tabs a{padding:6px 12px;border-radius:8px;background:#fff;border:1px solid #e6eaf1;color:#475569;font-size:13px}
.tabs a.on{background:var(--accent,#2563eb);color:#fff;border-color:transparent}

@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}
@media(max-width:820px){
  .side{position:fixed;left:-240px;transition:.2s;z-index:50}
  .side.open{left:0}
  .burger{display:block}
  .who span{display:none}
}