:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#eff4ff;
  --sidebar:#1e293b;
  --sidebar-hover:#334155;
  --accent:#0ea5e9;
  --ink:#0f172a;
  --body:#475569;
  --muted:#64748b;
  --line:#e8edf3;
  --line-strong:#dbe3ed;
  --bg:#f4f6fb;
  --card-shadow:0 1px 2px rgba(15,23,42,.04), 0 2px 6px rgba(15,23,42,.04);
  --card-shadow-hover:0 4px 14px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{
  background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  margin:0;color:var(--body);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-size:14px;
}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--sidebar);color:#cbd5e1;flex-shrink:0;position:fixed;height:100vh;overflow-y:auto;z-index:1000}
.sidebar .brand{padding:20px 18px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid #334155;display:flex;align-items:center;gap:10px}
.sidebar .brand small{display:block;font-size:11px;font-weight:400;color:#94a3b8;margin-top:2px}
.sidebar .menu{padding:12px 0;list-style:none;margin:0}
.sidebar .menu .label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:#64748b;padding:14px 18px 6px}
.sidebar .menu a{display:flex;align-items:center;gap:12px;padding:11px 18px;color:#cbd5e1;text-decoration:none;font-size:14px;transition:.15s}
.sidebar .menu a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar .menu a.active{background:var(--primary);color:#fff;border-left:3px solid #93c5fd}
.sidebar .menu a i{width:18px;text-align:center}

.main{margin-left:250px;flex:1;display:flex;flex-direction:column;min-width:0}

/* ---------- Topbar ---------- */
.topbar{background:#fff;height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(15,23,42,.03);position:sticky;top:0;z-index:900}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0}
.topbar .page-title{font-size:18px;font-weight:600;letter-spacing:-.01em;color:var(--ink);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-toggle{display:none;background:transparent;border:none;color:var(--ink);font-size:23px;line-height:1;padding:6px 9px;margin-left:-4px;border-radius:9px;cursor:pointer}
.sidebar-toggle:hover{background:#f1f5f9}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1100;-webkit-tap-highlight-color:transparent}
.topbar .user{display:flex;align-items:center;gap:12px;font-size:14px}
.topbar .user .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;box-shadow:0 2px 6px rgba(37,99,235,.3)}
.content{padding:28px;flex:1}
@media (max-width:575px){ .content{padding:18px 16px} .topbar{padding:0 16px} }

/* ---------- Typography helpers ---------- */
h1,h2,h3,h4,h5,h6{color:var(--ink);letter-spacing:-.01em}
.text-muted{color:var(--muted)!important}
.content h5{font-weight:600}
a{text-decoration:none}

/* ---------- Cards ---------- */
.card{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  box-shadow:var(--card-shadow);
}
.card-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  font-weight:600;color:var(--ink);
  border-radius:14px 14px 0 0!important;
  padding:15px 20px;
  letter-spacing:-.01em;
}
.card-body{padding:20px}
.card .table-responsive{border-radius:0 0 14px 14px}

/* ---------- Stat cards (dashboard — horizontal) ---------- */
.stat-card{
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--card-shadow);
  overflow:hidden;
  transition:box-shadow .18s ease, transform .18s ease;
}
.stat-card:hover{box-shadow:var(--card-shadow-hover);transform:translateY(-2px)}
.stat-card .body{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-card .label{font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600}
.stat-card .value{font-size:25px;font-weight:700;margin-top:6px;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-card .icon{width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;flex-shrink:0;box-shadow:0 4px 10px rgba(15,23,42,.12)}

/* ---------- Stat cards (reports — vertical) ---------- */
.stat-card .card-body{padding:20px}
.stat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;margin-bottom:14px;box-shadow:0 4px 10px rgba(15,23,42,.12)}
.stat-label{font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600}
.stat-value{font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.2;margin-top:2px;font-variant-numeric:tabular-nums}

.bg-blue{background:linear-gradient(135deg,#3b82f6,#2563eb)}
.bg-green{background:linear-gradient(135deg,#10b981,#059669)}
.bg-orange{background:linear-gradient(135deg,#f59e0b,#d97706)}
.bg-red{background:linear-gradient(135deg,#ef4444,#dc2626)}
.bg-purple{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}

/* ---------- Tables ---------- */
.table{margin-bottom:0;color:var(--body);--bs-table-hover-bg:#f6f9fc}
.table thead th{
  background:#f8fafc;
  border-bottom:1px solid var(--line-strong);
  border-top:none;
  font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;
  color:var(--muted);font-weight:600;white-space:nowrap;
  padding:12px 18px;
}
.table tbody td{vertical-align:middle;font-size:14px;padding:13px 18px;border-color:var(--line)}
.table tbody tr:last-child td{border-bottom:none}
.table-hover>tbody>tr{transition:background .12s ease}
.table tfoot td{border-color:var(--line-strong);padding:13px 18px;background:#fbfcfe}
.table-sm td,.table-sm th{padding:.45rem .6rem}

/* ---------- Badges ---------- */
.badge{font-weight:600;letter-spacing:.2px;padding:.4em .65em;border-radius:7px}
.badge-soft-success{background:#dcfce7;color:#15803d}
.badge-soft-warning{background:#fef3c7;color:#b45309}
.badge-soft-danger{background:#fee2e2;color:#b91c1c}
.badge-soft-info{background:#e0f2fe;color:#0369a1}
.badge-soft-primary{background:#e0e7ff;color:#3730a3}
.badge-soft-secondary{background:#eef1f6;color:#4b5563}
.badge-soft-dark{background:#e2e5ea;color:#1f2937}

/* ---------- Buttons ---------- */
.btn{font-weight:500;border-radius:9px;transition:.15s;font-size:14px}
.btn-sm{border-radius:8px}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 .2rem rgba(37,99,235,.18)}
.btn-primary{background:var(--primary);border-color:var(--primary);box-shadow:0 1px 2px rgba(37,99,235,.25)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn-primary:active{background:var(--primary-dark)!important;border-color:var(--primary-dark)!important}
.btn-outline-secondary{color:#475569;border-color:var(--line-strong);background:#fff}
.btn-outline-secondary:hover{background:#f1f5f9;color:var(--ink);border-color:#cbd5e1}
.btn-outline-primary{color:var(--primary);border-color:#bfdbfe}
.btn-outline-primary:hover{background:var(--primary);border-color:var(--primary)}
.btn-outline-success{border-color:#bbf7d0}
.btn-outline-danger{border-color:#fecaca}
.btn-light{background:#f1f5f9;border-color:#f1f5f9;color:#475569}
.btn-light:hover{background:#e2e8f0;border-color:#e2e8f0}
.btn-outline-warning{color:#b45309;border-color:#fcd34d}
.btn-outline-warning:hover{background:#f59e0b;border-color:#f59e0b;color:#fff}
.text-primary{color:var(--primary)!important}

/* ---------- Tabs ---------- */
.nav-tabs{border-bottom:1px solid var(--line-strong)}
.nav-tabs .nav-link{color:var(--muted);font-weight:500;border:none;border-bottom:2px solid transparent;padding:.55rem 1rem;margin-bottom:-1px}
.nav-tabs .nav-link:hover{color:var(--ink);border-bottom-color:var(--line-strong)}
.nav-tabs .nav-link.active{color:var(--primary);background:transparent;border-bottom-color:var(--primary)}

/* ---------- Forms ---------- */
.form-label{font-weight:500;font-size:13.5px;color:#334155;margin-bottom:5px}
.form-control,.form-select{border-color:var(--line-strong);border-radius:9px;color:var(--ink);font-size:14px}
.form-control::placeholder{color:#94a3b8}
.form-control:focus,.form-select:focus{border-color:#93c5fd;box-shadow:0 0 0 .2rem rgba(37,99,235,.15)}
.input-group-text{background:#f8fafc;border-color:var(--line-strong);color:var(--muted)}
.form-text{color:var(--muted)}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
/* Qty / price number inputs in transaction line tables: keep room for the
   value and the up/down spinner so the number never clips. */
.table input[type="number"]{min-width:76px}

/* ---------- List groups ---------- */
.list-group-item{border-color:var(--line);padding:12px 18px;font-size:14px}
.list-group-flush>.list-group-item:last-child{border-bottom:0}

/* ---------- Alerts ---------- */
.alert{border:none;border-radius:11px;font-size:14px;box-shadow:var(--card-shadow)}
.alert-success{background:#ecfdf5;color:#166534}
.alert-danger{background:#fef2f2;color:#b91c1c}
.alert-warning{background:#fffbeb;color:#b45309}
.alert-info{background:#eff6ff;color:#1e40af}

/* ---------- Modal ---------- */
.modal-content{border:none;border-radius:14px;box-shadow:0 20px 50px rgba(15,23,42,.25)}
.modal-header,.modal-footer{border-color:var(--line)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b,#2563eb)}
.login-card{width:100%;max-width:400px;background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.25);padding:36px 32px}
.login-card .logo{width:64px;height:64px;border-radius:16px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 16px}

/* ---------- Bar chart (profit report) ---------- */
.profit-chart{overflow-x:auto;padding-bottom:2px}
.pc-inner{min-width:100%}
.pc-plot{
  display:flex;align-items:flex-end;gap:16px;height:220px;padding:10px 10px 0;
  background-image:repeating-linear-gradient(to top,#eef2f6 0 1px,transparent 1px 25%);
  border-bottom:2px solid var(--line-strong);border-radius:8px 8px 0 0;
}
.pc-col{flex:1 1 46px;min-width:46px;display:flex;align-items:flex-end;justify-content:center;gap:5px;height:100%}
.pc-bar{width:18px;border-radius:6px 6px 0 0;min-height:3px;transition:height .35s ease}
.pc-bar:hover{filter:brightness(.95)}
.pc-rev{background:linear-gradient(180deg,#bfdbfe,#93c5fd)}
.pc-prof{background:linear-gradient(180deg,#34d399,#10b981)}
.pc-axis{display:flex;gap:16px;padding:8px 10px 0}
.pc-tick{flex:1 1 46px;min-width:46px;text-align:center;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.legend-dot{display:inline-block;width:11px;height:11px;border-radius:3px;vertical-align:-1px;margin-right:5px}

/* ---------- Table pagination ---------- */
.pg-hidden{display:none!important}
.table-pager{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:12px 18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.table-pager .tp-left{display:flex;align-items:center;gap:8px;white-space:nowrap}
.table-pager .tp-size{width:auto;display:inline-block}
.table-pager .tp-info{flex:1 1 auto;text-align:center;min-width:120px}
.table-pager .tp-nav{display:flex;align-items:center;gap:8px}
.table-pager .tp-page{white-space:nowrap}

/* ---------- Responsive / mobile ---------- */
@media (max-width:991.98px){
  /* Off-canvas sidebar: hidden by default, slides in when .open */
  .sidebar{transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 40px rgba(15,23,42,.35);z-index:1200}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .sidebar-toggle{display:inline-flex;align-items:center;justify-content:center}
  .sidebar-backdrop.show{display:block}
}
@media (max-width:575px){
  .topbar{padding:0 14px}
  .topbar .page-title{font-size:16px}
  .topbar .user{gap:8px}
  .topbar .user .text-end{display:none}        /* keep avatar + logout, drop the name text */
  .content{padding:16px 14px}
  .card-body{padding:16px}
  .card-header{padding:13px 16px}
  /* full-width search / input boxes that use a fixed inline width on desktop */
  .input-group[style]{width:100%!important;max-width:100%!important}
  /* let action buttons in card headers wrap instead of overflowing */
  .card-header{flex-wrap:wrap;gap:8px}
  .table thead th,.table tbody td{padding:10px 12px}
}

/* ---------- Print ---------- */
@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin-left:0}
  .content{padding:0}
  .card{box-shadow:none;border:1px solid #ddd}
  .pg-hidden{display:table-row!important}   /* print the whole table, not one page */
  .table-pager{display:none!important}
}