/* Catering System — minimal prototype styling */
:root {
  --primary: #c0392b;
  --primary-dark: #922b21;
  --bg: #faf7f2;
  --surface: #ffffff;
  --border: #e1dcd2;
  --text: #2b2b2b;
  --muted: #7a7062;
  --accent: #d4a017;
  --success-bg: #e6f4ea;
  --success-fg: #186a3b;
  --error-bg:  #fdecea;
  --error-fg:  #922b21;
  --info-bg:   #eaf2fb;
  --info-fg:   #1a4f8a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
.topbar {
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.brand strong { font-size: 18px; }
.brand-sub { opacity: 0.8; font-size: 12px; }
.hamburger {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 18px;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: auto;
  line-height: 1;
}
.hamburger:hover { background: rgba(0,0,0,0.15); }
.mainnav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.mainnav a {
  color: #fff;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
}
.mainnav a:hover { background: var(--primary-dark); }
.mainnav a.active { background: rgba(0,0,0,0.25); font-weight: 600; }
.container {
  max-width: 1400px;
  margin: 24px auto;
  padding: 0 24px;
}
.footer {
  text-align: center;
  padding: 20px;
  color: var(--muted);
}
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 24px 0 12px; }

/* Cards & sections */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 6px;
  padding: 16px;
}
.stat-card .label { color: var(--muted); font-size: 12px; }
.stat-card .value { font-size: 24px; font-weight: 600; margin-top: 4px; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 13px;
}
th, td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: middle;
}
th {
  background: #f4efe5;
  font-weight: 600;
}
tr:hover td { background: #fbf8f0; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

/* Forms */
form .row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
form .row > * { flex: 1 1 200px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=date], input[type=number], input[type=file], select, textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  font-family: inherit;
}
input[type=number] { text-align: right; }
.qty-input { width: 60px !important; text-align: right; padding: 4px 6px; }
button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 8px 18px;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--primary-dark); }
.btn-secondary {
  background: #ddd6c7;
  color: var(--text);
}
.btn-secondary:hover { background: #c9c1b0; }
.btn-link {
  background: transparent;
  color: var(--primary);
  padding: 4px 8px;
}
.btn-link:hover { background: rgba(192,57,43,0.08); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-danger { background: #c0392b; }
.btn-danger:hover { background: #922b21; }

/* Flash messages */
.flash {
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 13px;
}
.flash-success { background: var(--success-bg); color: var(--success-fg); }
.flash-error   { background: var(--error-bg);   color: var(--error-fg); }
.flash-info    { background: var(--info-bg);    color: var(--info-fg); }

/* Specific layouts */
.toolbar {
  display: flex;
  gap: 8px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar > * { margin: 0; }
.spacer { flex: 1; }

.menu-block {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.menu-block .menu-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  background: #fafafa;
}
.menu-block .menu-card.student { border-top: 3px solid var(--primary); }
.menu-block .menu-card.teacher { border-top: 3px solid var(--accent); }

.matrix-table th { background: #f0e6d2; }
.matrix-table td.qty { background: #fffdf7; }
.matrix-table .row-label { background: #f4efe5; font-weight: 600; }
.summary-table th { font-size: 12px; }
.summary-table td { font-size: 12px; }
.summary-table .school-cell { background: #f4efe5; font-weight: 600; }

.help-text {
  background: #fffdf2;
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
}
.help-text code {
  background: #f4efe5;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
}

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 16px;
}
.tabs a {
  padding: 8px 16px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  border-radius: 4px 4px 0 0;
}
.tabs a.active {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--surface);
  margin-bottom: -2px;
}

/* ─────────────────────────────────────────────────────────────
   Horizontally-scrolling wrapper for any wide table.
   The header.php auto-wraps every <table> in a <div.table-wrap>.
   ───────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  margin: 0 -4px;          /* let the scrollbar align with card edge */
  padding: 0 4px;
  /* hint: little inner shadow on the right when content overflows */
  background:
    linear-gradient(to right, var(--surface) 30%, rgba(255,255,255,0)),
    linear-gradient(to right, rgba(0,0,0,0), var(--surface) 70%) 100% 0,
    radial-gradient(farthest-side at 0 50%, rgba(0,0,0,0.12), rgba(0,0,0,0)),
    radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,0.12), rgba(0,0,0,0)) 100% 0;
  background-repeat: no-repeat;
  background-size: 30px 100%, 30px 100%, 12px 100%, 12px 100%;
  background-attachment: local, local, scroll, scroll;
}
.table-wrap > table { margin: 0; }

/* Sticky first column for the qty matrix on small screens */
@media (max-width: 768px) {
  .matrix-table .row-label,
  .matrix-table thead th:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
  }
  .summary-table .school-cell {
    position: sticky;
    left: 0;
    z-index: 1;
  }
}

/* ─────────────────────────────────────────────────────────────
   Mobile breakpoints
   ───────────────────────────────────────────────────────────── */

/* Tablet ≤ 1024px — slim things a touch */
@media (max-width: 1024px) {
  .container { padding: 0 16px; margin: 16px auto; }
  .card { padding: 16px; }
  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
  }
}

/* Mobile ≤ 768px — collapse nav, stack everything */
@media (max-width: 768px) {
  body { font-size: 13px; }

  .topbar {
    padding: 8px 14px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .brand strong { font-size: 16px; }
  .brand-sub { display: none; }

  .hamburger { display: inline-block; }

  /* Nav drops below the brand row on a separate line, hidden by default */
  .mainnav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 2px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.2);
  }
  body.nav-open .mainnav { display: flex; }
  .mainnav a {
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 14px;
  }

  .container { padding: 0 12px; margin: 12px auto; }
  .card { padding: 14px; margin-bottom: 14px; border-radius: 4px; }

  h1 { font-size: 18px; }
  h2 { font-size: 16px; margin: 16px 0 10px; }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .stat-card { padding: 12px; }
  .stat-card .value { font-size: 20px; }
  .stat-card .label { font-size: 11px; }

  /* Stack form rows */
  form .row { gap: 8px; }
  form .row > * { flex-basis: 100% !important; }

  /* Buttons full-width on stacked actions */
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar > * { flex: 1 1 100%; }
  .toolbar .spacer { display: none; }

  /* Tighter table cells */
  table { font-size: 12px; }
  th, td { padding: 6px 8px; }
  .qty-input { width: 50px !important; padding: 3px 4px; }

  /* iOS won't zoom into inputs ≥16px font */
  input[type=text], input[type=date], input[type=number],
  input[type=file], select, textarea {
    font-size: 16px;
  }
  /* Keep the matrix qty inputs compact — they don't trigger keyboard zoom
     because the table is in a horizontally-scrolled wrap anyway. */
  .qty-input { font-size: 13px !important; }

  /* Side-by-side row layouts (dashboard "row") wrap */
  main .row { flex-direction: column; }

  .menu-block { grid-template-columns: 1fr; }
}

/* Phone ≤ 480px — tighten further */
@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .container { padding: 0 10px; }
  .topbar { padding: 8px 10px; }
  .brand strong { font-size: 15px; }
  table { font-size: 11.5px; }
  th, td { padding: 5px 6px; }
  .qty-input { width: 44px !important; }
  button, .btn { padding: 8px 14px; font-size: 13px; }
}