/* =========================================================
   AT POS — Master Stylesheet (light, pastel accents)
   ========================================================= */

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[role='list'], ol[role='list'] { list-style: none; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }

/* -------- Theme Tokens -------- */
:root{
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;

  /* Main palette */
  --primary: #2563eb;
  --primary-ink: #0b1320;

  /* Soft pastels for UI */
  --soft-blue:    #eef4ff;  /* light for headers / buttons */
  --soft-green:   #eafaf3;
  --soft-amber:   #fff7e6;
  --soft-rose:    #fff1f2;
  --soft-gray:    #f3f4f6;

  /* Button border tones */
  --blue-brd:   #c7d8ff;
  --green-brd:  #bdebd8;
  --amber-brd:  #ffe1b3;
  --rose-brd:   #ffc9d4;
  --gray-brd:   #e5e7eb;

  --success: #10b981;
  --warn:    #f59e0b;
  --danger:  #ef4444;

  --thead: #f0f5ff;        /* table header */
  --soft: rgba(0,0,0,.03); /* zebra */
  --shadow: 0 8px 24px rgba(0,0,0,.06);

  --radius: 12px;
  --container: 1180px;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0f1115;
    --surface:#151822;
    --text:#e5e7eb;
    --muted:#9aa4b2;
    --line:#262a35;

    --primary:#3b82f6;
    --primary-ink:#0b1320;

    --soft-blue:#1b2438;
    --soft-green:#12221c;
    --soft-amber:#2b2213;
    --soft-rose:#27161a;
    --soft-gray:#1b2130;

    --blue-brd:#2a3552;
    --green-brd:#1d3a31;
    --amber-brd:#4a371b;
    --rose-brd:#4a1f2a;

    --thead:#1c263d;
    --soft: rgba(255,255,255,.04);
    --shadow: 0 12px 28px rgba(0,0,0,.5);
  }
}

/* -------- Base -------- */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.wrap, .container { max-width: var(--container); margin: 0 auto; padding: 12px 16px; }
hr { border: 0; border-top:1px solid var(--line); margin: 10px 0; }

h1 { font-size: 22px; margin: 4px 0 8px; }
h2 { font-size: 18px; margin: 10px 0 6px; }
h3 { font-size: 16px; margin: 8px 0 6px; }
small, .muted { color: var(--muted); }

/* -------- Cards / Surfaces -------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
}
.section-title { display:flex; align-items:center; justify-content:space-between; margin-top:10px; }
.section-title h2 { margin:0; }

/* -------- Navbar (topbar) -------- */
.topbar { display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
.topbar a {
  text-decoration:none; padding:8px 10px; border-radius:10px;
  border:1px solid var(--gray-brd); background:linear-gradient(#fafafa,#f5f6f9);
  color:var(--text);
  transition: transform .05s ease, box-shadow .15s ease;
}
.topbar a:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,.06); }
.topbar a.active { background:var(--primary); border-color:var(--primary); color:#fff; }
.topbar .spacer { flex:1; }
.topbar .hello { color:var(--muted); font-size:14px; margin-left:auto; }

/* Collapsible nav (header.php) */
.nav-toggle{display:none;padding:8px 10px;border-radius:10px;border:1px solid var(--gray-brd);background:var(--soft-gray);cursor:pointer}
@media (max-width:980px){
  .nav-toggle{display:inline-block}
  #topnav[data-collapsed="true"] #navGroups{display:none}
}

/* Group containers */
.nav-groups { display:flex; flex-wrap:wrap; gap:10px 14px; align-items:flex-start }
.nav-group { min-width:240px; padding:8px; border:1px solid var(--line); border-radius:12px; background:var(--surface) }
.nav-group .title { font-weight:600; color:#374151; margin-right:4px }

/* Toggle button inside group */
.group-toggle{
  display:flex; align-items:center; gap:8px;
  background:var(--soft-gray);
  border:1px dashed var(--gray-brd);
  border-radius:10px;
  padding:6px 8px;
  cursor:pointer;
  width:100%;
}
.group-toggle .chev{font-size:12px; opacity:.8; transform:translateY(1px)}
.group-links{display:flex; flex-wrap:wrap; gap:8px; margin-top:6px}
.nav-group[data-collapsed="true"] .group-links{display:none}
.nav-group[data-collapsed="true"] .group-toggle .chev{transform:rotate(-90deg)}

/* Add pastel tint to group links */
.nav-group:nth-of-type(1) a { background: var(--soft-gray); }                                 /* Operations */
.nav-group:nth-of-type(2) a { background: var(--soft-blue);  border-color: var(--blue-brd); }  /* Warehouse */
.nav-group:nth-of-type(3) a { background: var(--soft-green); border-color: var(--green-brd); } /* Reports */
.nav-group:nth-of-type(4) a { background: var(--soft-amber); border-color: var(--amber-brd);} /* Admin */
.nav-group a.active { background: var(--primary) !important; border-color: var(--primary) !important; color:#fff !important; }

@media (prefers-color-scheme: dark){
  .topbar a { background: var(--soft-gray); }
  .topbar a.active { color:#fff; }
  .group-toggle{ background: var(--soft-gray); }
}

/* -------- Grid helpers -------- */
.grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap:14px; margin-top:14px; }
.grid-2 { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:10px; }
.grid-3 { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:10px; }
.grid-4 { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:10px; }
@media (max-width: 900px){ .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px){ .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* -------- Buttons (pastel by default) -------- */
.btn {
  padding: 10px 12px;
  border:1px solid var(--gray-brd);
  border-radius:10px;
  background: var(--soft-gray);
  color:var(--text);
  cursor:pointer;
  text-decoration:none;
  display:inline-block;
  transition: filter .12s ease, transform .05s ease, box-shadow .15s ease;
}
.btn:hover { filter:brightness(.98); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,.06); }

/* Light colored variants */
.btn.primary { background: var(--soft-blue);  border-color: var(--blue-brd);  color:#0f1f4d; font-weight:600; }
.btn.success { background: var(--soft-green); border-color: var(--green-brd); color:#065f46; }
.btn.warn    { background: var(--soft-amber); border-color: var(--amber-brd); color:#7c2d12; }
.btn.danger  { background: var(--soft-rose);  border-color: var(--rose-brd);  color:#7f1d1d; }
.btn.ghost   { background: transparent; border-color: var(--line); }

/* Emphasized (filled) look on demand */
.btn.filled.primary { background: var(--primary); border-color: var(--primary); color:#fff; }
.btn.filled.success { background: var(--success); border-color: var(--success); color:#fff; }
.btn.filled.warn    { background: var(--warn);    border-color: var(--warn);    color:#111; }
.btn.filled.danger  { background: var(--danger);  border-color: var(--danger);  color:#fff; }

/* -------- Forms -------- */
label { display:block; font-size:13px; color:var(--muted); margin-top:8px; }
input[type="text"], input[type="number"], input[type="email"], input[type="date"], input[type="password"],
select, textarea {
  width:100%;
  margin-top:6px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background: var(--surface);
  color: var(--text);
  outline:none;
}
textarea{ min-height: 100px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }

/* -------- Tables -------- */
.table { width:100%; border-collapse:separate; border-spacing:0; }
.table thead th {
  text-align:left;
  background: var(--thead);
  position:sticky; top:0;
  border-bottom:1px solid var(--blue-brd);
  padding:10px; z-index:1;
  color:#0f1f4d;
}
.table tbody td { border-bottom:1px dashed var(--line); padding:10px; vertical-align:top; }
.table tbody tr:nth-child(even){ background: var(--soft); }
.table tfoot td { border:none; padding:8px 10px; background: var(--soft-blue); border-top:1px solid var(--blue-brd); color:#0f1f4d; }

/* -------- Badges / Alerts / Pills -------- */
.badge { display:inline-block; padding:3px 8px; border:1px solid var(--blue-brd); background:var(--soft-blue); border-radius:999px; font-size:12px; color:#0f1f4d; }
.badge.success { background:var(--soft-green); border-color:var(--green-brd); color:#065f46; }
.badge.warn    { background:var(--soft-amber); border-color:var(--amber-brd); color:#7c2d12; }
.badge.danger  { background:var(--soft-rose);  border-color:var(--rose-brd);  color:#7f1d1d; }

.alert{ padding:10px 12px; border-radius:10px; border:1px solid var(--line); }
.alert-success{ background:#ecfdf5; border-color:#a7f3d0; color:#065f46; }
.alert-warn{ background:#fffbeb; border-color:#fde68a; color:#7c2d12; }
.alert-danger{ background:#fef2f2; border-color:#fecaca; color:#7f1d1d; }

/* -------- Toolbar / Pagination -------- */
.toolbar { display:flex; gap:10px; align-items:center; justify-content:space-between; margin:8px 0; }
.toolbar .inline { display:flex; gap:8px; align-items:center; }
.pagination { display:flex; gap:10px; align-items:center; margin:10px 0; }
.pagination a { text-decoration:none; padding:6px 10px; border:1px solid var(--gray-brd); border-radius:8px; background:var(--soft-gray); }

/* -------- Modal -------- */
.modal{ position:fixed; inset:0; background:rgba(0,0,0,.45); display:none; align-items:center; justify-content:center; padding:14px; z-index:99; }
.modal .box{ background:var(--surface); padding:16px; border-radius:12px; width:min(700px,96vw); max-height:82vh; overflow:auto; border:1px solid var(--line); box-shadow:var(--shadow); }

/* -------- KPIs -------- */
.kpi { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:12px; margin-top:12px; }
.kpi .tile { padding:12px; background:var(--surface); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); }
.kpi .tile .label { font-size:12px; color:var(--muted); }
.kpi .tile .value { font-size:18px; margin-top:4px; color:var(--text); }
@media (max-width: 720px){ .kpi { grid-template-columns: repeat(2, minmax(0,1fr)); } }

/* -------- POS helpers -------- */
.kbd{ font:12px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; padding:2px 6px; border:1px solid var(--line); border-bottom-width:2px; border-radius:6px; background:var(--surface); }
.hint-row{ display:flex; justify-content:space-between; align-items:center; margin-top:6px; }

/* -------- Print (Invoices) -------- */
@media print{
  body { background:#fff; color:#000; }
  .topbar, .toolbar, .pagination, .actions { display:none !important; }
  .card, .wrap, .container { box-shadow:none !important; border:none !important; padding:0 !important; }
  .table thead th { background:#fff !important; }
}

/* ====== Form Layout Utilities ====== */
.form { display:block; max-width: 920px; }
.form .section { background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:14px; margin:12px 0; }
.form .section h3 { margin:0 0 10px; font-size:16px; }

.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap:12px 16px; }
.form-row { display:flex; flex-direction:column; gap:6px; }
.form-row.inline { flex-direction:row; align-items:center; gap:10px; }
.form-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:12px; }

.form label { font-size:13px; color:var(--muted); }
.form .req::after { content:" *"; color:#ef4444; }

.form input[type="text"],
.form input[type="number"],
.form input[type="email"],
.form input[type="date"],
.form input[type="password"],
.form select,
.form textarea {
  width:100%; padding:10px 12px;
  border:1px solid var(--line); border-radius:10px;
  background:var(--surface); color:var(--text);
}
.form textarea { min-height:110px; }

.help { font-size:12px; color:var(--muted); }
.err  { font-size:12px; color:#b91c1c; }

@media (max-width: 900px){ .form-grid { grid-template-columns: 1fr; } }

/* Small inputs for money/qty */
.input-sm { max-width: 160px; }
.input-xs { max-width: 100px; }

/* Switch row for boolean fields */
.switch { display:flex; align-items:center; gap:8px; }