:root{--bg:#f5f7fb;--card:#fff;--text:#152238;--muted:#70809a;--primary:#0f766e;--accent:#14b8a6;--danger:#dc2626;--warning:#d97706;--line:#e6ebf2}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.side{background:#0c1728;color:#dce7f5;padding:24px 18px;position:sticky;top:0;height:100vh}
.brand{font-size:22px;font-weight:800;margin:4px 10px 28px}.brand span{color:#2dd4bf}.nav a{display:block;padding:12px 14px;border-radius:12px;margin:5px 0;color:#b9c7da}.nav a:hover,.nav a.active{background:#17263d;color:#fff;transform:translateX(2px)}
.main{padding:28px}.top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.top h1{margin:0;font-size:28px}.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 8px 30px rgba(30,55,90,.05)}
.kpi b{font-size:26px;display:block;margin-top:8px}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:#ecfdf5;color:#047857;font-size:12px;font-weight:700}
table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{color:var(--muted);font-weight:700}
.btn{border:0;border-radius:11px;padding:10px 14px;background:var(--primary);color:white;font-weight:700;cursor:pointer;display:inline-block}.btn.alt{background:#e9f8f6;color:#0f766e}.btn.danger{background:#fee2e2;color:#b91c1c}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #d7dfeb;border-radius:10px;background:#fff}.formgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.span2{grid-column:span 2}.actions{display:flex;gap:8px;flex-wrap:wrap}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:15px;background:#ecfdf5;color:#065f46}.alert.warn{background:#fff7ed;color:#9a3412}
.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top right,#ccfbf1,transparent 35%),#f8fafc}.loginbox{width:min(430px,92vw)}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.shell{grid-template-columns:84px 1fr}.side{padding:20px 10px}.brand{font-size:0}.brand:after{content:'M';font-size:24px}.nav a{font-size:0}.nav a:before{content:'•';font-size:22px}.formgrid{grid-template-columns:1fr}.span2{grid-column:auto}}
@media(max-width:640px){.shell{display:block}.side{height:auto;position:static}.nav{display:flex;overflow:auto}.nav a{min-width:44px}.main{padding:16px}.grid{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}.card{overflow:auto}}
.metric{display:flex;align-items:center;justify-content:space-between;gap:10px}.metric .spark{font-size:22px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.table-wrap{overflow:auto}.row-danger{background:#fff7f7}.row-warning{background:#fffaf0}.invoice{max-width:1050px;margin:auto}.invoice-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.invoice-brand{font-size:24px;font-weight:850}.totals{margin-left:auto;width:min(380px,100%)}.totals td:last-child{text-align:right;font-weight:700}.line-actions{white-space:nowrap}.searchbar{position:relative}.searchbar input{padding-left:36px}.searchbar:before{content:'⌕';position:absolute;left:12px;top:8px;color:var(--muted);font-size:20px}.tabs{display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.tag.red{background:#fee2e2;color:#991b1b}.tag.amber{background:#fef3c7;color:#92400e}.drawer-note{border-left:4px solid var(--accent);padding:10px 12px;background:#f0fdfa;border-radius:8px}
@media print{.side,.top,.no-print{display:none!important}.shell{display:block}.main{padding:0}.card{box-shadow:none;border:0}.invoice{max-width:none}body{background:#fff}.table-wrap{overflow:visible}}

.nav-badge{display:inline-flex;min-width:19px;height:19px;align-items:center;justify-content:center;border-radius:999px;background:#ef4444;color:#fff;font-size:11px;padding:0 5px;float:right}
.invoice-theme-classic .card{border-radius:0;box-shadow:none;border:2px solid #111}.invoice-theme-classic .invoice-brand{font-family:Georgia,serif}.invoice-theme-classic table th{color:#111;border-bottom:2px solid #111}
.invoice-theme-compact .invoice{max-width:820px}.invoice-theme-compact .card{padding:10px;border-radius:8px}.invoice-theme-compact th,.invoice-theme-compact td{padding:6px;font-size:12px}.invoice-theme-compact .invoice-brand{font-size:20px}

.wa-toggles{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wa-toggles label{padding:10px;border:1px solid var(--line);border-radius:10px;background:#f8fafc}.wa-toggles input{width:auto;margin-right:8px}code{background:#0f172a;color:#e2e8f0;padding:5px 7px;border-radius:7px;font-size:12px}@media(max-width:640px){.wa-toggles{grid-template-columns:1fr}}
.medicine-lookup{position:relative;min-width:260px}.medicine-lookup-results{display:none;position:absolute;z-index:60;left:0;right:0;top:calc(100% + 4px);max-height:320px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 45px rgba(15,23,42,.16)}.lookup-item{display:block;width:100%;border:0;border-bottom:1px solid var(--line);background:#fff;text-align:left;padding:10px 12px;cursor:pointer;color:var(--text)}button.lookup-item:hover{background:#f0fdfa}.lookup-item:last-child{border-bottom:0}