*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a4f8a;--primary-light:#e8f0fb;--primary-mid:#2d6cc0;
  --accent:#00b894;--accent-light:#e0f9f4;
  --warn:#e17055;--warn-light:#fef3ef;
  --danger:#d63031;--danger-light:#ffe6e6;
  --bg:#f0f4f8;--surface:#fff;--surface2:#f7f9fc;
  --border:#dde3ec;--text:#1a2332;--muted:#6b7a99;--muted2:#a0aec0;
  --sidebar:220px;--header:60px;
}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px}
h1,h2,h3{font-family:'Space Grotesk',sans-serif}

/* LOGIN */
#loginScreen{position:fixed;inset:0;background:linear-gradient(135deg,#0f2944 0%,#1a4f8a 50%,#0d3d6e 100%);display:flex;align-items:center;justify-content:center;z-index:9999}
.login-box{background:#fff;border-radius:20px;padding:48px 44px;width:420px;box-shadow:0 32px 80px rgba(0,0,0,0.3)}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo .cross{width:56px;height:56px;background:var(--primary);border-radius:14px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.login-logo .cross svg{width:32px;height:32px;fill:#fff}
.login-logo h1{font-size:22px;color:var(--primary);font-weight:700}
.login-logo p{color:var(--muted);font-size:13px;margin-top:4px}
.role-tabs{display:flex;gap:8px;margin-bottom:24px;background:var(--bg);border-radius:12px;padding:4px}
.role-tab{flex:1;padding:10px;text-align:center;border-radius:9px;cursor:pointer;font-size:13px;font-weight:500;color:var(--muted);transition:.2s}
.role-tab.active{background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.form-group input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;font-family:'DM Sans',sans-serif;transition:.2s;outline:none}
.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,79,138,0.1)}
.btn-login{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;font-family:'Space Grotesk',sans-serif;transition:.2s;margin-top:8px}
.btn-login:hover{background:var(--primary-mid)}
.login-err{background:var(--danger-light);color:var(--danger);padding:10px 14px;border-radius:8px;font-size:13px;margin-top:12px;display:none;border-left:3px solid var(--danger)}

/* LAYOUT */
#app{display:none;height:100vh;overflow:hidden}
.sidebar{position:fixed;left:0;top:0;width:var(--sidebar);height:100vh;background:#0f2944;display:flex;flex-direction:column;z-index:100}
.sidebar-logo{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;gap:12px}
.logo-icon{width:36px;height:36px;background:var(--primary-mid);border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-icon svg{width:20px;height:20px;fill:#fff}
.logo-text{color:#fff;font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:700;line-height:1.2}
.logo-text span{font-size:11px;color:rgba(255,255,255,0.5);font-weight:400;font-family:'DM Sans',sans-serif}
.sidebar-user{padding:14px 20px;border-bottom:1px solid rgba(255,255,255,0.08)}
.user-badge{display:flex;align-items:center;gap:10px}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;color:#fff;flex-shrink:0}
.user-info{flex:1;min-width:0}
.user-name{color:#fff;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:11px;color:rgba(255,255,255,0.5);margin-top:1px}
.role-badge{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600}
.role-badge.receptionist{background:rgba(0,184,148,0.2);color:#00b894}
.role-badge.doctor{background:rgba(45,108,192,0.2);color:#74b9ff}
.nav{flex:1;padding:12px 0;overflow-y:auto}
.nav-section{padding:0 12px;margin-bottom:4px}
.nav-label{font-size:10px;color:rgba(255,255,255,0.3);text-transform:uppercase;letter-spacing:1px;padding:8px 8px 4px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;cursor:pointer;color:rgba(255,255,255,0.55);font-size:13px;font-weight:500;transition:.2s;margin-bottom:2px;white-space:nowrap}
.nav-item:hover{background:rgba(255,255,255,0.07);color:#fff}
.nav-item.active{background:var(--primary-mid);color:#fff}
.nav-item svg{width:18px;height:18px;flex-shrink:0;opacity:.8}
.nav-item.active svg{opacity:1}
.nav-bottom{padding:14px 12px;border-top:1px solid rgba(255,255,255,0.08)}
.btn-logout{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;cursor:pointer;color:rgba(255,255,255,0.5);font-size:13px;font-weight:500;transition:.2s;border:none;background:none;width:100%}
.btn-logout:hover{background:rgba(225,112,85,0.15);color:#e17055}

.main{margin-left:var(--sidebar);height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);padding:0 28px;height:var(--header);display:flex;align-items:center;justify-content:space-between;z-index:50;flex-shrink:0}
.topbar-title{font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:700;color:var(--text)}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-date{font-size:12px;color:var(--muted)}
.btn-primary{padding:9px 18px;background:var(--primary);color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif;display:flex;align-items:center;gap:6px;transition:.2s}
.btn-primary:hover{background:var(--primary-mid)}
.btn-primary svg{width:16px;height:16px;fill:#fff}
.btn-sec{padding:9px 16px;background:#fff;color:var(--primary);border:1.5px solid var(--border);border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif;display:flex;align-items:center;gap:6px;transition:.2s}
.btn-sec:hover{border-color:var(--primary);background:var(--primary-light)}
.btn-success{padding:9px 18px;background:var(--accent);color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:.2s}
.btn-success:hover{background:#00a381}
.btn-warn{padding:9px 16px;background:var(--warn);color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s}
.btn-danger{padding:8px 14px;background:var(--danger-light);color:var(--danger);border:none;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;transition:.2s}
.btn-icon{width:34px;height:34px;border:1.5px solid var(--border);border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s}
.btn-icon:hover{background:var(--primary-light);border-color:var(--primary)}
.btn-icon svg{width:16px;height:16px;stroke:var(--muted);stroke-width:2;fill:none}

.content{flex:1;padding:24px 28px}
.page{display:none}
.page.active{display:block}

/* CARDS & STATS */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:14px;padding:20px;border:1px solid var(--border);position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-card.blue::before{background:var(--primary)}
.stat-card.green::before{background:var(--accent)}
.stat-card.orange::before{background:var(--warn)}
.stat-card.red::before{background:var(--danger)}
.stat-label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.stat-value{font-family:'Space Grotesk',sans-serif;font-size:28px;font-weight:700;color:var(--text)}
.stat-sub{font-size:12px;color:var(--muted);margin-top:4px}
.stat-icon{position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.stat-icon.blue{background:var(--primary-light)}
.stat-icon.green{background:var(--accent-light)}
.stat-icon.orange{background:var(--warn-light)}
.stat-icon.red{background:var(--danger-light)}
.stat-icon svg{width:20px;height:20px;stroke-width:2;fill:none}
.stat-icon.blue svg{stroke:var(--primary)}
.stat-icon.green svg{stroke:var(--accent)}
.stat-icon.orange svg{stroke:var(--warn)}
.stat-icon.red svg{stroke:var(--danger)}

.card{background:#fff;border-radius:14px;border:1px solid var(--border);overflow:hidden;margin-bottom:20px}
.card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:600}
.card-body{padding:20px}

/* TABLES */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{background:var(--surface2);padding:10px 14px;text-align:left;font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}
tbody td{padding:11px 14px;border-bottom:1px solid #f0f4f8;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f9fbff}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.badge.green{background:var(--accent-light);color:#00875a}
.badge.red{background:var(--danger-light);color:var(--danger)}
.badge.blue{background:var(--primary-light);color:var(--primary)}
.badge.orange{background:var(--warn-light);color:#c0392b}
.badge.gray{background:#f0f4f8;color:var(--muted)}
.badge.yellow{background:#fff8e1;color:#856404}

/* FORMS */
.form-row{display:grid;gap:16px;margin-bottom:16px}
.form-row.col2{grid-template-columns:1fr 1fr}
.form-row.col3{grid-template-columns:1fr 1fr 1fr}
.form-row.col4{grid-template-columns:1fr 1fr 1fr 1fr}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.3px}
.field input,.field select,.field textarea{padding:10px 13px;border:1.5px solid var(--border);border-radius:9px;font-size:13px;font-family:'DM Sans',sans-serif;color:var(--text);outline:none;transition:.2s;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,79,138,0.08)}
.field textarea{resize:vertical;min-height:80px}
.field input[readonly]{background:var(--surface2);color:var(--muted)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(15,41,68,0.5);backdrop-filter:blur(4px);z-index:500;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:18px;width:100%;max-width:680px;max-height:90vh;overflow-y:auto;box-shadow:0 32px 80px rgba(0,0,0,0.2)}
.modal.lg{max-width:900px}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;border-radius:18px 18px 0 0}
.modal-head h3{font-family:'Space Grotesk',sans-serif;font-size:16px;font-weight:700}
.modal-close{width:32px;height:32px;border:none;background:var(--surface2);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--muted)}
.modal-close:hover{background:var(--danger-light);color:var(--danger)}
.modal-body{padding:24px}
.modal-foot{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:var(--surface2);border-radius:0 0 18px 18px}

/* SEARCH */
.search-bar{position:relative;flex:1;max-width:340px}
.search-bar input{width:100%;padding:9px 14px 9px 38px;border:1.5px solid var(--border);border-radius:9px;font-size:13px;font-family:'DM Sans',sans-serif;outline:none;transition:.2s}
.search-bar input:focus{border-color:var(--primary)}
.search-bar svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--muted);stroke-width:2;fill:none}

/* BILL */
.bill-item-row{display:grid;grid-template-columns:1fr 80px 100px 80px 100px 40px;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid #f0f4f8}
.bill-total{background:var(--primary-light);border-radius:12px;padding:16px 20px;margin-top:16px}
.bill-total-row{display:flex;justify-content:space-between;padding:4px 0;font-size:13px;color:var(--muted)}
.bill-total-row.grand{font-size:16px;font-weight:700;color:var(--primary);border-top:2px solid var(--primary);padding-top:10px;margin-top:8px}

/* PRINT BILL */
.print-bill{font-family:'DM Sans',sans-serif;max-width:400px;margin:0 auto;padding:24px;border:1px solid var(--border);border-radius:14px}
.print-bill-header{text-align:center;margin-bottom:20px;padding-bottom:16px;border-bottom:2px dashed var(--border)}
.print-bill-header h2{font-size:18px;font-weight:700;color:var(--primary)}
.print-bill-items{width:100%;border-collapse:collapse;font-size:12px;margin:12px 0}
.print-bill-items th{background:var(--surface2);padding:6px 8px;text-align:left;font-weight:600;color:var(--muted)}
.print-bill-items td{padding:6px 8px;border-bottom:1px solid #f0f4f8}
.print-bill-total{text-align:right;padding-top:10px;border-top:2px solid var(--border);font-weight:700;font-size:14px;color:var(--primary)}

/* DRUG STOCK */
.stock-low{background:#fff8e1;border-left:3px solid #f59e0b}
.stock-out{background:var(--danger-light);border-left:3px solid var(--danger)}
.progress-bar{width:100%;height:6px;background:#f0f4f8;border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;transition:.3s}
.progress-fill.good{background:var(--accent)}
.progress-fill.warn{background:var(--warn)}
.progress-fill.low{background:var(--danger)}

/* LAB REPORTS */
.lab-result-normal{color:#00875a;font-weight:600}
.lab-result-high{color:var(--danger);font-weight:600}
.lab-result-low{color:var(--warn);font-weight:600}

/* WHATSAPP BTN */
.btn-whatsapp{padding:9px 16px;background:#25D366;color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:.2s}
.btn-whatsapp:hover{background:#1da851}

/* BLUETOOTH */
.printer-card{background:#fff;border:1.5px solid var(--border);border-radius:12px;padding:16px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:.2s}
.printer-card:hover{border-color:var(--primary);background:var(--primary-light)}
.printer-card.selected{border-color:var(--primary);background:var(--primary-light)}
.printer-dot{width:10px;height:10px;border-radius:50%;background:#ccc}
.printer-dot.online{background:var(--accent)}
.printer-dot.busy{background:var(--warn)}

/* NOTIFICATION */
.notif{position:fixed;bottom:24px;right:24px;background:#fff;border-radius:12px;padding:14px 18px;box-shadow:0 8px 32px rgba(0,0,0,0.15);border-left:4px solid var(--accent);z-index:9000;display:none;align-items:center;gap:12px;font-size:13px;font-weight:500;max-width:320px}
.notif.show{display:flex;animation:slideIn .3s ease}
.notif.error{border-color:var(--danger)}
@keyframes slideIn{from{transform:translateX(100px);opacity:0}to{transform:translateX(0);opacity:1}}

/* TABS */
.tabs{display:flex;gap:4px;background:var(--surface2);border-radius:10px;padding:4px;margin-bottom:20px}
.tab{flex:1;padding:8px 12px;border-radius:7px;cursor:pointer;font-size:13px;font-weight:500;color:var(--muted);text-align:center;transition:.2s}
.tab.active{background:#fff;color:var(--primary);font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.08)}

/* QUICK ACCESS */
.quick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:24px}
.quick-card{background:#fff;border-radius:12px;padding:18px;border:1px solid var(--border);cursor:pointer;transition:.2s;text-align:center}
.quick-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 16px rgba(26,79,138,0.1)}
.quick-card svg{width:28px;height:28px;stroke-width:1.5;fill:none;margin:0 auto 10px;display:block}
.quick-card .qc-label{font-size:13px;font-weight:600;color:var(--text)}
.quick-card .qc-sub{font-size:11px;color:var(--muted);margin-top:2px}

/* RESPONSIVE */
@media(max-width:900px){
  :root{--sidebar:0px}
  .sidebar{transform:translateX(-220px);transition:.3s}
  .sidebar.open{transform:translateX(0);width:220px}
  .main{margin-left:0}
  .topbar{padding:0 16px}
  .content{padding:16px}
  .form-row.col2,.form-row.col3,.form-row.col4{grid-template-columns:1fr}
}
@media(max-width:600px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .login-box{width:92vw;padding:32px 24px}
}
@media print{
  body.printing > *:not(#print-area){display:none!important}
  body.printing #print-area{display:block!important;padding:24px}
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin-left:0}
  .print-bill{border:none;padding:0}
}
#print-area{display:none}
.btn-excel{padding:9px 16px;background:#1D6F42;color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:.2s}
.btn-excel:hover{background:#155232}
.doctor-only{display:none}