/* Team Gondal — professional dark-blue business system */
:root{
  --navy:#0f2547; --navy-2:#16305c; --navy-3:#1d3b73;
  --accent:#2f81f7; --accent-2:#4f9dff;
  --bg:#f4f6fb; --card:#ffffff; --border:#e2e8f0;
  --text:#1e293b; --muted:#64748b;
  --green:#16a34a; --green-bg:#dcfce7;
  --yellow:#b45309; --yellow-bg:#fef3c7;
  --red:#dc2626; --red-bg:#fee2e2;
  --gray-bg:#f1f5f9;
  --input:#fffdf5; /* input cells: warm tint so they stand out from formula cells */
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--navy);color:#cdd9ef;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{padding:18px 20px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:8px}
.sidebar .brand small{display:block;font-size:11px;font-weight:400;color:#8fa8d6}
.sidebar .nav-group{padding:8px 0}
.sidebar .nav-group h6{color:#6f88b8;font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:10px 20px 4px;margin:0}
.sidebar a.nav-link{display:block;padding:9px 20px;color:#cdd9ef;font-size:13.5px;border-left:3px solid transparent}
.sidebar a.nav-link:hover{background:var(--navy-2);text-decoration:none;color:#fff}
.sidebar a.nav-link.active{background:var(--navy-3);border-left-color:var(--accent);color:#fff;font-weight:600}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:20}
.topbar h1{font-size:18px;margin:0;color:var(--navy)}
.topbar .user{color:var(--muted);font-size:13px}
.content{padding:24px;flex:1}

/* Cards & grid */
.grid{display:grid;gap:16px}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px}
.card h3{margin:0 0 14px;font-size:15px;color:var(--navy)}
.stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px;position:relative;overflow:hidden}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.stat .value{font-size:24px;font-weight:700;color:var(--navy);margin-top:6px}
.stat .value.money{color:var(--navy)}
.stat.accent{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff}
.stat.accent .label{color:#b8caea}.stat.accent .value{color:#fff}
.stat.green .value{color:var(--green)} .stat.red .value{color:var(--red)}

/* Tables */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--border);border-radius:10px}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th{background:var(--navy);color:#fff;text-align:left;padding:10px 12px;font-weight:600;white-space:nowrap;position:sticky;top:0}
table.data td{padding:9px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
table.data tr:nth-child(even) td{background:#fafbfe}
table.data tr:hover td{background:#eef4ff}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
table.data tfoot td{font-weight:700;background:#eef2f9;border-top:2px solid var(--navy)}

/* Badges */
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-gray{background:var(--gray-bg);color:var(--muted)}

/* Buttons */
.btn{display:inline-block;background:var(--accent);color:#fff;border:none;padding:8px 16px;border-radius:7px;font-size:13px;cursor:pointer;font-weight:600}
.btn:hover{background:var(--accent-2);text-decoration:none}
.btn.secondary{background:#e2e8f0;color:var(--navy)}
.btn.danger{background:var(--red)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}

/* Forms */
form .row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
form .row.cols-3{grid-template-columns:repeat(3,1fr)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:7px;font-size:13px;background:var(--input);color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,129,247,.12)}
.field .hint{font-size:11px;color:var(--muted);margin-top:3px}
.form-actions{display:flex;gap:10px;margin-top:8px}

/* Filter bar */
.filterbar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:18px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 16px}
.filterbar .field{margin-bottom:0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:20px;color:var(--navy)}
.page-head > div{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.section-title{font-size:16px;color:var(--navy);margin:26px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--border)}
.inline-form{display:inline}
.muted{color:var(--muted)}
.legend{font-size:12px;color:var(--muted);margin-top:8px}
.chip-input{display:inline-block;width:12px;height:12px;background:var(--input);border:1px solid var(--border);border-radius:3px;vertical-align:middle}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),#0a1a33);padding:16px}
.login-card{background:#fff;border-radius:14px;padding:36px;width:min(360px,100%);box-shadow:0 20px 60px rgba(0,0,0,.3)}
@media(max-width:420px){.login-card{padding:26px 22px}}
.login-card h1{margin:0 0 4px;color:var(--navy);font-size:22px}
.login-card p{margin:0 0 22px;color:var(--muted);font-size:13px}
.alert{padding:10px 14px;border-radius:7px;font-size:13px;margin-bottom:14px}
.alert.error{background:var(--red-bg);color:var(--red)}
.alert.success{background:var(--green-bg);color:var(--green);border:1px solid #bbf7d0}
.alert.flash{position:sticky;top:0;z-index:15;font-weight:600;animation:flashfade 4s forwards}
@keyframes flashfade{0%,80%{opacity:1}100%{opacity:.85}}

/* Loading spinner + overlay */
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
#load-overlay{position:fixed;inset:0;background:rgba(11,31,63,.30);display:none;align-items:center;justify-content:center;z-index:9999}
#load-overlay.on{display:flex}
#load-overlay .box{background:#fff;padding:16px 24px;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.25);display:flex;gap:12px;align-items:center;font-weight:600;color:var(--navy)}
#load-overlay .box .spin{width:20px;height:20px;border-color:rgba(47,129,247,.3);border-top-color:var(--accent)}

/* Mobile menu button (hidden on desktop; shown ≤900px) */
.menu-btn{display:none;background:none;border:none;color:var(--navy);font-size:20px;line-height:1;cursor:pointer;padding:4px 8px;flex-shrink:0}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:150}
.sidebar-overlay.open{display:block}

@media(max-width:1000px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:1fr}.sidebar{width:200px}}

@media(max-width:900px){
  /* Sidebar becomes an off-canvas drawer, toggled by the hamburger */
  .sidebar{position:fixed;top:0;left:0;height:100vh;width:260px;z-index:200;
    transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 0 rgba(0,0,0,0)}
  .sidebar.open{transform:translateX(0);box-shadow:8px 0 30px rgba(0,0,0,.25)}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .topbar h1{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar{padding:10px 14px}
  .topbar .user{flex-shrink:0;font-size:12px}
  .content{padding:14px}
}

@media(max-width:600px){
  /* Stack every multi-column form row and card grid to one column */
  form .row,form .row.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .stat .value{font-size:20px}
  .card{padding:14px}
  .page-head h2{font-size:17px}
  table.data th,table.data td{padding:8px 9px;font-size:12.5px}
  .btn.sm{padding:7px 11px;min-height:32px}
}

@media print{.sidebar,.sidebar-overlay,.menu-btn,.topbar,.no-print{display:none!important}.content{padding:0}}