/* ============================================================
   PHARMA BATCH GENERATION SYSTEM — Stylesheet
   Design: Clean, clinical, pharmaceutical grade UI
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --p:#0A3D62;--pl:#1565A6;--pd:#062B47;
  --a:#00B4D8;--al:#E0F7FA;
  --g:#0D7C59;--gl:#DCFCE7;
  --w:#D97706;--wl:#FEF3C7;
  --r:#C0392B;--rl:#FEE2E2;
  --s:#64748B;--sl:#F1F5F9;
  --dk:#0F172A;--lt:#F8FAFC;
  --bd:#E2E8F0;--wh:#fff;
  --mu:#94A3B8;
  --cs:0 1px 3px rgba(0,0,0,.08),0 4px 16px rgba(0,0,0,.06);
  --cs2:0 4px 12px rgba(0,0,0,.12),0 8px 32px rgba(0,0,0,.1);
  --r4:4px;--r8:8px;--r12:12px;--r16:16px;
  --tr:all .18s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:#EFF4F9;color:var(--dk);font-size:14px;line-height:1.6;min-height:100vh}
a{text-decoration:none;color:var(--p);transition:var(--tr)}
a:hover{color:var(--a)}
img{max-width:100%}
button{font-family:'Inter',sans-serif}

/* ============================================================ LAYOUT */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:256px;background:var(--pd);flex-shrink:0;
  position:fixed;top:0;left:0;height:100vh;overflow-y:auto;
  display:flex;flex-direction:column;z-index:200;transition:transform .3s
}
.main{flex:1;margin-left:256px;display:flex;flex-direction:column}
.topbar{
  height:60px;background:var(--wh);border-bottom:1px solid var(--bd);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;position:sticky;top:0;z-index:100;
}
.content{flex:1;padding:24px;background:#EFF4F9}

/* ============================================================ SIDEBAR */
.sb-brand{
  padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;gap:12px;
}
.sb-logo{
  width:38px;height:38px;background:var(--a);border-radius:10px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0
}
.sb-logo svg{color:#fff;width:19px;height:19px}
.sb-name{font-family:'Space Grotesk',sans-serif;font-size:1rem;font-weight:700;color:#fff}
.sb-sub{font-size:10px;color:#475569}
.sb-section{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#334155;padding:14px 18px 5px}
.sb-item{
  display:flex;align-items:center;gap:10px;padding:9px 18px;
  color:#94A3B8;font-size:13px;font-weight:500;
  border-left:3px solid transparent;transition:var(--tr);cursor:pointer
}
.sb-item:hover{background:rgba(255,255,255,.05);color:#fff;border-left-color:rgba(0,180,216,.4)}
.sb-item.on{background:rgba(0,180,216,.1);color:var(--al);border-left-color:var(--a)}
.sb-item svg{width:15px;height:15px;flex-shrink:0}
.sb-foot{padding:16px 18px;border-top:1px solid rgba(255,255,255,.07);margin-top:auto}
.sb-user{display:flex;align-items:center;gap:10px;font-size:12px;color:#64748B}
.sb-av{
  width:30px;height:30px;background:var(--a);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:12px;flex-shrink:0
}

/* Topbar */
.tb-title{font-family:'Space Grotesk',sans-serif;font-size:1.05rem;font-weight:600}
.tb-actions{display:flex;align-items:center;gap:10px}
.sb-toggle{
  display:none;background:none;border:none;cursor:pointer;
  padding:6px;color:var(--dk);border-radius:6px
}
.sb-toggle:hover{background:var(--lt)}

/* Page header */
.ph{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.ph-left h1{font-family:'Space Grotesk',sans-serif;font-size:1.3rem;font-weight:700;margin-bottom:3px}
.ph-left p{font-size:12px;color:var(--mu)}
.bc{font-size:11px;color:var(--mu)}
.bc span{margin:0 4px;color:var(--s)}
.bc span:last-child{color:var(--mu)}

/* ============================================================ CARDS */
.card{background:var(--wh);border-radius:var(--r12);box-shadow:var(--cs);border:1px solid var(--bd);overflow:hidden}
.card:hover{box-shadow:var(--cs2)}
.ch{padding:16px 20px;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between}
.ch h3{font-size:.9rem;font-weight:600;margin:0}
.cb{padding:20px}
.cf{padding:13px 20px;border-top:1px solid var(--bd);background:#FAFBFC}
.card-title{font-size:.9rem;font-weight:600}

/* Grid */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.span2{grid-column:span 2}

/* ============================================================ STAT CARDS */
.sc{
  background:var(--wh);border-radius:var(--r12);padding:18px 20px;
  box-shadow:var(--cs);border:1px solid var(--bd);position:relative;overflow:hidden
}
.sc::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.sc.c-p::before{background:var(--p)} .sc.c-a::before{background:var(--a)}
.sc.c-g::before{background:var(--g)} .sc.c-w::before{background:var(--w)}
.sc.c-r::before{background:var(--r)} .sc.c-s::before{background:var(--s)}
.sc-lbl{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--mu);margin-bottom:6px}
.sc-val{font-family:'Space Grotesk',sans-serif;font-size:1.8rem;font-weight:700;color:var(--dk);line-height:1}
.sc-sub{font-size:11px;color:var(--mu);margin-top:5px}
.sc-ico{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:32px;opacity:.07}

/* ============================================================ BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r8);font-size:12.5px;font-weight:500;
  cursor:pointer;border:1.5px solid transparent;transition:var(--tr);white-space:nowrap
}
.btn:hover{transform:translateY(-1px)}
.btn-sm{padding:5px 11px;font-size:11.5px}
.btn-lg{padding:11px 22px;font-size:14px}
.btn-full{width:100%;justify-content:center}
.btn-p{background:var(--p);color:#fff;border-color:var(--p)} .btn-p:hover{background:var(--pl);color:#fff}
.btn-a{background:var(--a);color:#fff;border-color:var(--a)} .btn-a:hover{background:#009BB9;color:#fff}
.btn-g{background:var(--g);color:#fff;border-color:var(--g)} .btn-g:hover{background:#0A6B4C;color:#fff}
.btn-r{background:var(--r);color:#fff;border-color:var(--r)} .btn-r:hover{background:#A93226;color:#fff}
.btn-w{background:var(--w);color:#fff;border-color:var(--w)} .btn-w:hover{background:#B45309;color:#fff}
.btn-s{background:var(--s);color:#fff;border-color:var(--s)} .btn-s:hover{background:#4B5563;color:#fff}
.btn-gh{background:var(--lt);color:var(--dk);border-color:var(--bd)} .btn-gh:hover{background:var(--bd)}
.btn-ol{background:transparent;color:var(--p);border-color:var(--p)} .btn-ol:hover{background:var(--p);color:#fff}

/* ============================================================ FORMS */
.fg{margin-bottom:15px}
.fl{display:block;margin-bottom:5px;font-size:12px;font-weight:600;color:#374151}
.fl .req{color:var(--r);margin-left:2px}
.fc{
  width:100%;padding:8px 11px;border:1.5px solid var(--bd);border-radius:var(--r8);
  font-size:13px;font-family:'Inter',sans-serif;color:var(--dk);
  background:var(--wh);transition:var(--tr);outline:none
}
.fc:focus{border-color:var(--a);box-shadow:0 0 0 3px rgba(0,180,216,.12)}
.fc::placeholder{color:var(--mu)}
select.fc{cursor:pointer}
textarea.fc{resize:vertical;min-height:80px}
.ft{font-size:11px;color:var(--mu);margin-top:3px}
.fr{display:grid;gap:14px}
.fr2{grid-template-columns:repeat(2,1fr)}
.fr3{grid-template-columns:repeat(3,1fr)}
.fr4{grid-template-columns:repeat(4,1fr)}

/* ============================================================ TABLES */
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px}
thead th{
  background:var(--lt);padding:10px 14px;text-align:left;
  font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  color:var(--s);border-bottom:1.5px solid var(--bd);white-space:nowrap
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--bd);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#F8FAFC}
.ta{display:flex;gap:5px}

/* ============================================================ BADGES */
.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;font-size:10.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.b-success,.b-g{background:var(--gl);color:#15803D}
.b-danger,.b-r{background:var(--rl);color:#DC2626}
.b-warning,.b-w{background:var(--wl);color:#D97706}
.b-info,.b-a{background:var(--al);color:#0369A1}
.b-pri,.b-p{background:#EFF6FF;color:var(--p)}
.b-sec,.b-s{background:var(--sl);color:var(--s)}
.b-dark{background:#1E293B;color:#94A3B8}

/* ============================================================ ALERTS */
.alert{padding:11px 15px;border-radius:var(--r8);font-size:12.5px;margin-bottom:14px;display:flex;align-items:flex-start;gap:9px}
.alert-ok{background:var(--gl);color:#15803D;border:1px solid #BBF7D0}
.alert-err{background:var(--rl);color:#DC2626;border:1px solid #FECACA}
.alert-warn{background:var(--wl);color:#92400E;border:1px solid #FDE68A}
.alert-info{background:var(--al);color:#0369A1;border:1px solid #BAE6FD}

/* ============================================================ BATCH NUMBER DISPLAY */
.batch-preview{
  background:linear-gradient(135deg,var(--p) 0%,var(--a) 100%);
  border-radius:var(--r12);padding:20px;text-align:center;color:#fff;
  margin-bottom:16px;position:relative;overflow:hidden
}
.batch-preview::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M0 38.59l2.83-2.83 1.41 1.41L1.41 40H0v-1.41zM0 1.4l2.83 2.83 1.41-1.41L1.41 0H0v1.41zM38.59 40l-2.83-2.83 1.41-1.41L40 38.59V40h-1.41zM40 1.41l-2.83 2.83-1.41-1.41L38.59 0H40v1.41z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")
}
.batch-preview-label{font-size:10px;opacity:.7;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.batch-preview-number{
  font-family:'Space Grotesk',sans-serif;font-size:1.8rem;font-weight:700;
  letter-spacing:.04em;word-break:break-all;position:relative
}
.batch-preview-sub{font-size:11px;opacity:.7;margin-top:6px}
.batch-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#F0F9FF;border:1.5px solid var(--a);border-radius:8px;
  padding:8px 14px;font-family:'Space Grotesk',sans-serif;
  font-size:1.1rem;font-weight:700;color:var(--p);letter-spacing:.04em;
  cursor:pointer;transition:var(--tr)
}
.batch-chip:hover{background:var(--al);border-color:var(--p)}
.batch-chip .copy-icon{font-size:14px;opacity:.5}

/* ============================================================ TABS */
.tabs{display:flex;border-bottom:2px solid var(--bd);margin-bottom:20px}
.tab-btn{
  padding:9px 18px;font-size:12.5px;font-weight:500;color:var(--s);
  cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;
  transition:var(--tr);background:none;border-top:none;border-left:none;border-right:none
}
.tab-btn:hover{color:var(--p)}
.tab-btn.on{color:var(--p);border-bottom-color:var(--p);font-weight:600}
.tab-pane{display:none}.tab-pane.on{display:block}

/* ============================================================ FORMAT SETTINGS */
.fmt-preview-box{
  background:var(--lt);border:1.5px dashed var(--bd);border-radius:var(--r8);
  padding:14px;text-align:center;font-family:'Space Grotesk',sans-serif;
  font-size:1.2rem;font-weight:700;color:var(--p);letter-spacing:.05em;
  min-height:52px;display:flex;align-items:center;justify-content:center;transition:var(--tr)
}
.fmt-preview-box.live{background:#EFF6FF;border-color:var(--a);color:var(--p)}

/* Type pills */
.type-pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;
  border-radius:20px;font-size:12px;font-weight:600;cursor:pointer;
  border:1.5px solid var(--bd);background:var(--wh);color:var(--s);transition:var(--tr)
}
.type-pill:hover,.type-pill.sel{border-color:var(--a);background:var(--al);color:var(--p)}
.type-pill.sel{box-shadow:0 0 0 3px rgba(0,180,216,.15)}

/* Type colour coding */
.type-rm{--tc:var(--p);--tcl:#EFF6FF}
.type-ip{--tc:var(--w);--tcl:#FEF3C7}
.type-fp{--tc:var(--g);--tcl:var(--gl)}
.type-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10.5px;font-weight:700;background:var(--tcl,#EFF6FF);color:var(--tc,var(--p))}

/* ============================================================ MODAL */
.mo{
  position:fixed;inset:0;background:rgba(15,23,42,.6);backdrop-filter:blur(4px);
  z-index:1000;display:none;justify-content:center;align-items:flex-start;
  padding:40px 16px;overflow-y:auto
}
.mo.open{display:flex}
.mo-box{
  background:var(--wh);border-radius:var(--r16);width:100%;max-width:640px;
  box-shadow:0 20px 60px rgba(0,0,0,.2);animation:moIn .22s ease
}
@keyframes moIn{from{opacity:0;transform:translateY(-16px) scale(.97)}to{opacity:1;transform:none}}
.mo-head{padding:18px 22px;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between}
.mo-head h3{font-size:1rem;font-weight:600;margin:0}
.mo-x{background:none;border:none;font-size:18px;cursor:pointer;color:var(--mu);padding:4px;border-radius:4px;line-height:1}
.mo-x:hover{color:var(--r);background:var(--rl)}
.mo-body{padding:22px}
.mo-foot{padding:14px 22px;border-top:1px solid var(--bd);display:flex;justify-content:flex-end;gap:9px}

/* ============================================================ PAGINATION */
.pag{display:flex;gap:4px;justify-content:center;padding:16px 0}
.pg{padding:6px 12px;border-radius:var(--r8);border:1.5px solid var(--bd);color:var(--dk);font-size:12.5px;transition:var(--tr);cursor:pointer}
.pg:hover,.pg.on{background:var(--p);color:#fff;border-color:var(--p)}

/* ============================================================ EMPTY STATE */
.empty{text-align:center;padding:52px 20px;color:var(--mu)}
.empty svg{width:52px;height:52px;opacity:.25;margin-bottom:12px}
.empty h3{color:var(--s);font-size:.95rem;margin-bottom:6px}
.empty p{font-size:12px}

/* ============================================================ MISC */
.sep{border:none;border-top:1px solid var(--bd);margin:16px 0}
.mt1{margin-top:4px}.mt2{margin-top:8px}.mt3{margin-top:12px}.mt4{margin-top:16px}.mt5{margin-top:20px}
.mb1{margin-bottom:4px}.mb2{margin-bottom:8px}.mb3{margin-bottom:12px}.mb4{margin-bottom:16px}.mb5{margin-bottom:20px}
.ms-auto{margin-left:auto}
.text-mu{color:var(--mu)}.text-p{color:var(--p)}.text-g{color:var(--g)}.text-r{color:var(--r)}.text-w{color:var(--w)}
.fw6{font-weight:600}.fw7{font-weight:700}
.fs11{font-size:11px}.fs12{font-size:12px}.fs13{font-size:13px}
.text-c{text-align:center}
.df{display:flex}.ac{align-items:center}.jb{justify-content:space-between}.jc{justify-content:center}
.gap2{gap:8px}.gap3{gap:12px}.gap4{gap:16px}
.w100{width:100%}
.mono{font-family:'Space Grotesk',sans-serif;letter-spacing:.04em}
.copy-btn{
  background:none;border:none;cursor:pointer;padding:3px 6px;
  border-radius:4px;color:var(--mu);font-size:12px;transition:var(--tr)
}
.copy-btn:hover{color:var(--p);background:var(--al)}

/* ============================================================ RESPONSIVE */
@media(max-width:1024px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .sb-toggle{display:flex}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .fr2,.fr3,.fr4{grid-template-columns:1fr}
  .content{padding:14px}
  .span2{grid-column:auto}
  .ph{flex-direction:column}
}
@media print{
  .sidebar,.topbar,.sb-toggle,.no-print{display:none!important}
  .main{margin-left:0}
  .content{padding:0}
}