/* =====================================================================
   M.J. Malani Campus Canteen — Design System
   Palette: deep teal (trust/fresh) + turmeric orange (appetite/energy)
   Type: Poppins (display/UI) + Inter (body/data)
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#1B2A2E;
  --canvas:#FBF7F0;
  --surface:#FFFFFF;
  --primary:#0F6E5D;
  --primary-dark:#0B5747;
  --primary-light:#E4F1EC;
  --accent:#F2A83B;
  --accent-dark:#D68F22;
  --danger:#D64545;
  --danger-light:#FBE7E5;
  --success:#2E9E5B;
  --line:#E4DCC8;
  --muted:#7A7566;
  --radius-sm:8px;
  --radius-md:14px;
  --sidebar-w:248px;
  --shadow-soft: 0 8px 24px rgba(27,42,46,0.08);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--canvas);
  color:var(--ink);
  font-family:'Inter',-apple-system,Segoe UI,sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand,.btn,.stat-num{font-family:'Poppins',sans-serif;}
a{color:var(--primary);text-decoration:none;}
::selection{background:var(--accent);color:var(--ink);}

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* ---------------- Layout shell ---------------- */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:var(--sidebar-w);
  background:linear-gradient(180deg,var(--primary-dark) 0%, #0A4A3C 100%);
  color:#EAF4F0;
  position:fixed;top:0;left:0;bottom:0;
  display:flex;flex-direction:column;
  z-index:40;
  transition:transform .25s ease;
}
.sidebar .brand{
  display:flex;align-items:center;gap:10px;
  padding:22px 20px 18px 20px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.sidebar .brand img{width:36px;height:36px;border-radius:9px;background:#fff;padding:3px;}
.sidebar .brand-text{font-size:14px;font-weight:700;line-height:1.25;}
.sidebar .brand-text small{display:block;font-weight:500;font-size:10.5px;letter-spacing:.4px;color:#9FCABE;}

.nav-group{padding:14px 12px;}
.nav-group-label{font-size:11px;color:#7FAEA0;padding:10px 12px 6px;font-weight:600;letter-spacing:.3px;}
.nav-link{
  display:flex;align-items:center;gap:11px;
  padding:10px 12px;margin-bottom:2px;border-radius:10px;
  color:#D9EDE6;font-size:14px;font-weight:500;
  transition:background .15s ease, color .15s ease, padding-left .15s ease;
}
.nav-link svg{flex:none;width:18px;height:18px;opacity:.85;}
.nav-link:hover{background:rgba(255,255,255,0.08);color:#fff;padding-left:16px;}
.nav-link.active{background:var(--accent);color:#22160A;font-weight:600;}
.nav-link.active svg{opacity:1;}

.sidebar-footer{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,0.08);font-size:12px;color:#7FAEA0;}

.main{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column;}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30;
}
.topbar h1{font-size:19px;margin:0;font-weight:700;}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:2px;}
.topbar-right{display:flex;align-items:center;gap:16px;}
.user-chip{display:flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border:1px solid var(--line);border-radius:999px;background:var(--canvas);}
.user-chip .avatar{width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;}
.user-chip .role-tag{font-size:10.5px;color:var(--muted);}

.content{padding:26px 28px 60px;}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:none;border-radius:10px;padding:10px 18px;
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease, background .15s ease;
  text-decoration:none;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 14px rgba(15,110,93,.28);}
.btn-accent{background:var(--accent);color:#241708;}
.btn-accent:hover{background:var(--accent-dark);box-shadow:0 4px 14px rgba(214,143,34,.32);}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover{background:#B93A3A;}
.btn-sm{padding:6px 12px;font-size:12.5px;border-radius:8px;}
.btn-icon{width:36px;height:36px;padding:0;border-radius:9px;}

/* ---------------- Cards / panels ---------------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;}
.panel + .panel{margin-top:20px;}

/* Stat strip: distinct treatment (not identical shadow cards) — underline accent, big numeral */
.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:var(--surface);margin-bottom:22px;}
.stat{padding:20px 22px;border-right:1px solid var(--line);position:relative;}
.stat:last-child{border-right:none;}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);opacity:0;transition:opacity .2s;}
.stat:hover::before{opacity:1;}
.stat-label{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:6px;}
.stat-num{font-size:28px;font-weight:800;color:var(--ink);}
.stat-num.money::before{content:"Rs. ";font-size:16px;font-weight:600;color:var(--muted);}
.stat-delta{font-size:11.5px;margin-top:4px;font-weight:600;}
.stat-delta.up{color:var(--success);}
.stat-delta.down{color:var(--danger);}

/* ---------------- Tables ---------------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);}
table{width:100%;border-collapse:collapse;font-size:13.8px;}
thead th{
  text-align:left;padding:13px 16px;background:var(--primary-light);
  color:var(--primary-dark);font-weight:700;font-size:12.5px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#FAF8F2;}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;}
.badge-success{background:#E5F5EC;color:var(--success);}
.badge-danger{background:var(--danger-light);color:var(--danger);}
.badge-warn{background:#FDF1DC;color:var(--accent-dark);}
.badge-muted{background:#EFEBE0;color:var(--muted);}

/* ---------------- Forms ---------------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:12.5px;font-weight:600;color:var(--ink);}
.field .hint{font-size:11.5px;color:var(--muted);}
input[type=text],input[type=number],input[type=password],input[type=email],input[type=date],input[type=search],select,textarea{
  padding:10px 13px;border:1.5px solid var(--line);border-radius:9px;
  font-family:'Inter',sans-serif;font-size:14px;background:#fff;color:var(--ink);
  transition:border-color .15s ease, box-shadow .15s ease;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,110,93,.14);
}
textarea{resize:vertical;min-height:80px;}

/* ---------------- Login screen ---------------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(circle at 15% 15%, rgba(242,168,59,.14), transparent 45%),
  radial-gradient(circle at 85% 85%, rgba(15,110,93,.12), transparent 45%),
  var(--canvas);padding:20px;}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:38px 36px;width:100%;max-width:400px;box-shadow:var(--shadow-soft);
  animation:riseIn .5s cubic-bezier(.22,1,.36,1);}
@keyframes riseIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.login-card img.logo-mark{width:64px;height:64px;margin-bottom:14px;}
.login-card h2{margin:0 0 4px;font-size:21px;}
.login-card p.role-note{color:var(--muted);font-size:13px;margin:0 0 22px;}
.login-alert{background:var(--danger-light);color:var(--danger);padding:10px 14px;border-radius:9px;font-size:13px;margin-bottom:16px;}
.login-switch{text-align:center;margin-top:18px;font-size:13px;color:var(--muted);}

/* ---------------- Alerts / toasts ---------------- */
.alert{padding:12px 16px;border-radius:10px;font-size:13.5px;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.alert-success{background:#E5F5EC;color:#1E7A45;}
.alert-danger{background:var(--danger-light);color:var(--danger);}
.alert-info{background:var(--primary-light);color:var(--primary-dark);}

/* ---------------- Category color chips (products/POS) ---------------- */
.chip-swatch{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex:none;}

/* ---------------- POS / Sales screen ---------------- */
.pos-layout{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:flex-start;}
.pos-filters{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.pos-filters .chip{padding:7px 14px;border-radius:999px;border:1.5px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;background:#fff;}
.pos-filters .chip.active{background:var(--primary);border-color:var(--primary);color:#fff;}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;}
.pos-item{
  background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:14px;cursor:pointer;
  transition:border-color .15s ease, transform .1s ease;
  display:flex;flex-direction:column;gap:8px;
}
.pos-item:hover{border-color:var(--accent);transform:translateY(-2px);}
.pos-item .pname{font-weight:600;font-size:13.5px;line-height:1.3;}
.pos-item .pprice{font-weight:800;color:var(--primary-dark);font-size:15px;}
.pos-item .pstock{font-size:11px;color:var(--muted);}
.pos-item.out-of-stock{opacity:.45;cursor:not-allowed;}

.cart-panel{position:sticky;top:90px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;}
.cart-panel h3{margin:0 0 12px;font-size:15px;}
.cart-line{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line);}
.cart-line .cl-name{flex:1;font-size:13px;font-weight:600;}
.cart-line .cl-qty{display:flex;align-items:center;gap:6px;}
.cart-line .cl-qty button{width:24px;height:24px;border-radius:6px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700;}
.cart-total-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;}
.cart-total-row.grand{font-weight:800;font-size:17px;border-top:2px solid var(--ink);margin-top:8px;padding-top:12px;}

/* ---------------- Animations: one deliberate moment, not scattered ---------------- */
@keyframes popIn{0%{transform:scale(.9);opacity:0;}100%{transform:scale(1);opacity:1;}}
.flash-added{animation:popIn .28s ease;}

@keyframes slideDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.toast-msg{animation:slideDown .3s ease;}

/* Low stock pulse — draws attention only where it matters */
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 rgba(214,69,69,.5);}50%{box-shadow:0 0 0 6px rgba(214,69,69,0);}}
.low-stock-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);display:inline-block;margin-right:6px;animation:pulseDot 1.8s infinite;}

/* ---------------- Responsive ---------------- */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);}
@media (max-width: 980px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .menu-toggle{display:inline-flex;}
  .pos-layout{grid-template-columns:1fr;}
  .cart-panel{position:static;}
}

/* ---------------- Print styles (daily sales / stock reports) ---------------- */
@media print{
  .sidebar,.topbar,.no-print,.menu-toggle,.pos-filters,.btn{display:none !important;}
  .main{margin-left:0 !important;}
  .content{padding:0 !important;}
  body{background:#fff;}
  .print-header{display:block !important;text-align:center;margin-bottom:14px;}
  table{font-size:12px;}
  thead th{background:#eee !important;color:#000 !important;-webkit-print-color-adjust:exact;}
}
.print-header{display:none;}