/* ============================================================
   HF RPWS – Main Stylesheet
   Font: Kanit | Theme: Blue-Green-White + Purple/Red accents
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #1565C0;
  --primary-dark:  #0D47A1;
  --primary-light: #1976D2;
  --secondary:     #2E7D32;
  --secondary-light:#388E3C;
  --accent:        #4A2C6D;
  --danger:        #D32F2F;
  --warning:       #F57C00;
  --info:          #0288D1;
  --success:       #2E7D32;

  --bg:            #EEF2F7;
  --bg-card:       #FFFFFF;
  --text:          #1A202C;
  --text-muted:    #718096;
  --border:        #E2E8F0;
  --shadow:        0 2px 8px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.12);

  --sidebar-w:     260px;
  --topbar-h:      60px;
  --radius:        10px;
  --radius-sm:     6px;
  --trans:         .2s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
img { max-width: 100%; }

/* ---------- Utilities ---------- */
.hidden   { display: none !important; }
.flex     { display: flex; }
.items-center { align-items: center; }
.gap-2    { gap: .5rem; }
.mt-2     { margin-top: .5rem; }
.mt-3     { margin-top: .75rem; }
.mt-4     { margin-top: 1rem; }
.mb-3     { margin-bottom: .75rem; }
.text-right { text-align: right; }
.fw-bold  { font-weight: 600; }
.text-sm  { font-size: 12px; }
.text-muted { color: var(--text-muted); }
.w-full   { width: 100%; }

/* ---------- LOGIN ---------- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 60%, var(--accent) 100%);
  padding: 1rem;
}
.login-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo-img {
  width: 110px; height: 110px;
  object-fit: contain;
  margin-bottom: .75rem;
  filter: drop-shadow(0 4px 12px rgba(21,101,192,.25));
}
.login-logo h1 { font-size: 1.8rem; font-weight: 700; color: var(--primary-dark); }
.login-logo p  { color: var(--text-muted); font-size: 13px; margin-top: .25rem; }
.company-name  { font-size: 12px; color: var(--accent); font-weight: 500; }
.login-card .form-group { margin-bottom: 1rem; }
.login-card label { display: block; font-weight: 500; margin-bottom: .4rem; color: var(--text); }
.login-card input {
  width: 100%; padding: .7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border var(--trans), box-shadow var(--trans);
  outline: none;
}
.login-card input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(21,101,192,.12); }
.input-eye { position: relative; }
.input-eye input { padding-right: 2.8rem; }
.input-eye button {
  position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  transition: color var(--trans);
}
.input-eye button:hover { color: var(--primary); }
.btn-login {
  width: 100%; padding: .8rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: opacity var(--trans), transform var(--trans);
  margin-top: .5rem;
}
.btn-login:hover { opacity: .9; transform: translateY(-1px); }
.btn-login:active { transform: translateY(0); }
.btn-loading { display: inline-flex; align-items: center; gap: .5rem; }
.login-footer { text-align: center; margin-top: 1.5rem; color: var(--text-muted); font-size: 12px; }

/* ---------- LAYOUT ---------- */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }

/* SIDEBAR */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: linear-gradient(180deg, var(--primary-dark) 0%, #0a3d70 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--trans);
  overflow: hidden;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.sidebar-logo { display: flex; align-items: center; gap: .6rem; font-size: 1.2rem; font-weight: 700; }
.sidebar-logo-img { width: 34px; height: 34px; object-fit: contain; border-radius: 50%; background: #fff; padding: 2px; }
.sidebar-close-btn {
  background: none; border: none; color: rgba(255,255,255,.7);
  font-size: 1.2rem; cursor: pointer; display: none;
  transition: color var(--trans);
}
.sidebar-close-btn:hover { color: #fff; }
.sidebar-user {
  display: flex; align-items: center; gap: .75rem;
  padding: .9rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.user-avatar { font-size: 2rem; color: #90CAF9; }
.user-name  { font-weight: 600; font-size: .9rem; }
.user-role  { font-size: 11px; color: rgba(255,255,255,.65); }

/* Sidebar Menu */
.sidebar-menu { flex: 1; overflow-y: auto; padding: .5rem 0; }
.sidebar-menu::-webkit-scrollbar { width: 4px; }
.sidebar-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 4px; }
.menu-divider {
  padding: .9rem 1.25rem .25rem;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
.menu-item > a {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1.25rem;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.8);
  border-radius: 0;
  transition: background var(--trans), color var(--trans);
  cursor: pointer;
  position: relative;
}
.menu-item > a i:first-child { width: 18px; text-align: center; font-size: 15px; }
.menu-item > a span { flex: 1; }
.sub-arrow { font-size: 10px; transition: transform var(--trans); }
.menu-item.open .sub-arrow { transform: rotate(90deg); }
.menu-item > a:hover,
.menu-item.active > a {
  background: rgba(255,255,255,.12);
  color: #fff;
}
.menu-item.active > a { border-left: 3px solid #90CAF9; }

/* Sub-menu */
.sub-menu { display: none; background: rgba(0,0,0,.25); }
.menu-item.open .sub-menu { display: block; }
.sub-menu li a {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 1rem .55rem 2.8rem;
  color: rgba(255,255,255,.7);
  font-size: 13px;
  transition: background var(--trans), color var(--trans);
}
.sub-menu li a i { font-size: 12px; width: 14px; }
.sub-menu li a:hover,
.sub-menu li.active a { color: #fff; background: rgba(255,255,255,.08); }

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.btn-logout {
  width: 100%; padding: .6rem;
  background: rgba(211,47,47,.25);
  border: 1px solid rgba(211,47,47,.4);
  color: #FFCDD2; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px;
  transition: background var(--trans);
}
.btn-logout:hover { background: rgba(211,47,47,.4); }

/* PAGE WRAPPER */
.page-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin var(--trans);
}

/* TOPBAR */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  box-shadow: var(--shadow);
}
.hamburger-btn {
  display: none;
  background: none; border: none;
  font-size: 1.3rem; cursor: pointer;
  color: var(--text); padding: .25rem;
}
.topbar-title { font-size: 1.1rem; font-weight: 600; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar-datetime { font-size: 12px; color: var(--text-muted); }
.topbar-user { display: flex; align-items: center; gap: .4rem; color: var(--primary); font-weight: 500; }

/* CONTENT AREA */
.content-area { flex: 1; padding: 1.5rem; overflow-x: hidden; }

/* ---------- SECTION / PAGE ---------- */
.page-section { display: none; }
.page-section.active { display: block; }

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: .75rem;
}
.section-header h2 { font-size: 1.2rem; font-weight: 700; color: var(--primary-dark); }
.section-header h2 i { margin-right: .4rem; }
.header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ---------- CARD ---------- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem;
}
.card-header i { margin-right: .4rem; color: var(--primary); }
.card-body { padding: 1.25rem; }

/* ---------- BUTTONS ---------- */
.btn-primary, .btn-secondary, .btn-success, .btn-danger,
.btn-warning, .btn-outline, .btn-icon {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  font-weight: 500;
  transition: all var(--trans);
  white-space: nowrap;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover  { background: var(--primary-dark); }
.btn-secondary{ background: var(--accent); color: #fff; }
.btn-secondary:hover{ opacity: .88; }
.btn-success  { background: var(--secondary); color: #fff; }
.btn-success:hover  { background: var(--secondary-light); }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-danger:hover   { opacity: .88; }
.btn-warning  { background: var(--warning); color: #fff; }
.btn-outline  { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-icon     { background: transparent; border: none; padding: .35rem .5rem; color: var(--text-muted); font-size: 15px; }
.btn-icon:hover { color: var(--primary); }
.btn-sm { padding: .4rem .75rem; font-size: 13px; }
.btn-xs { padding: .25rem .6rem; font-size: 12px; }

/* ---------- FORM ELEMENTS ---------- */
.form-group { margin-bottom: .9rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: .35rem; color: #4A5568; font-size: 13px; }
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%; padding: .6rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none; background: #fff;
  transition: border var(--trans), box-shadow var(--trans);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,.1);
}
.input-readonly { background: #F7FAFC !important; color: var(--text-muted) !important; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .75rem; }
.form-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: .75rem; }
.search-input { padding: .55rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); outline: none; }
.search-input:focus { border-color: var(--primary); }

/* ---------- FILTER ROW ---------- */
.filter-row {
  display: flex; align-items: center; gap: .6rem;
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.filter-row label { font-weight: 500; font-size: 13px; white-space: nowrap; }
.filter-row input[type="date"],
.filter-row select {
  padding: .45rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  background: #fff;
}
.filter-row input:focus { border-color: var(--primary); }

/* ---------- TABLE ---------- */
.table-toolbar { padding: .85rem 1.25rem; border-bottom: 1px solid var(--border); }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.data-table thead tr { background: linear-gradient(90deg, #EBF4FF, #E8F5E9); }
.data-table th {
  padding: .7rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: #F0F7FF; }
.data-table tbody tr:last-child td { border-bottom: none; }
.loading-row td { padding: 1.5rem 1rem; }

/* ---------- SKELETON LOADING ---------- */
.skeleton-line {
  height: 14px; background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
}
.skeleton-line.short { width: 40%; }
.skeleton-box {
  height: 80px; background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ---------- BADGE ---------- */
.badge {
  display: inline-flex; align-items: center;
  padding: .2rem .6rem; border-radius: 20px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.badge-success { background: #E8F5E9; color: #1B5E20; }
.badge-danger  { background: #FFEBEE; color: #B71C1C; }
.badge-warning { background: #FFF3E0; color: #E65100; }
.badge-info    { background: #E3F2FD; color: #01579B; }
.badge-primary { background: #E3F2FD; color: #0D47A1; }
.badge-secondary{background: #EDE7F6; color: #4A148C; }
.badge-A       { background: #E8F5E9; color: #1B5E20; }
.badge-B       { background: #E3F2FD; color: #01579B; }
.badge-Palace  { background: #EDE7F6; color: #4A148C; }

/* ---------- KPI CARDS (Dashboard) ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-bottom: 1.25rem; }
.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 1rem;
  border-left: 4px solid var(--primary);
  transition: box-shadow var(--trans), transform var(--trans);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-card.green  { border-color: var(--secondary); }
.kpi-card.orange { border-color: var(--warning); }
.kpi-card.purple { border-color: var(--accent); }
.kpi-icon { font-size: 2rem; opacity: .8; }
.kpi-card.green .kpi-icon  { color: var(--secondary); }
.kpi-card.orange .kpi-icon { color: var(--warning); }
.kpi-card.purple .kpi-icon { color: var(--accent); }
.kpi-card .kpi-icon        { color: var(--primary); }
.kpi-info {}
.kpi-value { font-size: 1.8rem; font-weight: 700; line-height: 1; }
.kpi-label { font-size: 12px; color: var(--text-muted); margin-top: .2rem; }
.kpi-sub   { font-size: 11px; color: var(--text-muted); }

/* ---------- CHARTS ---------- */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.25rem; }
.chart-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- KILN STATUS ---------- */
.kiln-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; padding: 1.25rem; }
.kiln-card {
  border-radius: var(--radius);
  padding: 1rem;
  border: 2px solid;
  position: relative;
  overflow: hidden;
}
.kiln-card.status-active  { border-color: #2E7D32; background: #E8F5E9; }
.kiln-card.status-near    { border-color: #F9A825; background: #FFF8E1; }
.kiln-card.status-overdue { border-color: #B71C1C; background: #FFCDD2; }
.kiln-card.status-done    { border-color: #2E7D32; background: #E8F5E9; }
.kiln-card.status-empty   { border-color: var(--border); background: #F9FAFB; }
.kiln-room-name { font-weight: 700; font-size: 1rem; margin-bottom: .5rem; }
.kiln-items { font-size: 12px; color: var(--text-muted); }
.kiln-status-badge { position: absolute; top: .5rem; right: .5rem; }
.kiln-status-section { margin-bottom: 1rem; }

/* ---------- INFO BOX ---------- */
.info-box {
  background: #EBF4FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  margin-bottom: .75rem;
  font-size: 13px;
  color: var(--primary-dark);
  display: none;
}
.info-box.show { display: block; }
.info-box strong { font-weight: 600; }

/* ---------- TAB BAR ---------- */
.tab-bar {
  display: flex; gap: .3rem;
  background: var(--bg-card);
  padding: .5rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}
.tab-btn {
  padding: .55rem 1.25rem; border-radius: var(--radius-sm);
  background: transparent; border: none; cursor: pointer;
  font-size: 13px; font-weight: 500;
  color: var(--text-muted);
  transition: all var(--trans);
  display: flex; align-items: center; gap: .4rem;
}
.tab-btn:hover { background: #EBF4FF; color: var(--primary); }
.tab-btn.active { background: var(--primary); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  animation: fadeIn .18s ease;
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.modal-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  width: 100%; max-width: 540px;
  max-height: 90vh;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: slideUp .2s ease;
}
.modal-box.modal-lg { max-width: 780px; }
@keyframes slideUp { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-header h3 { font-size: 1rem; font-weight: 700; display: flex; align-items: center; gap: .4rem; }
.modal-header h3 i { color: var(--primary); }
.modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 1.2rem; color: var(--text-muted);
  transition: color var(--trans);
}
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: .6rem;
  flex-shrink: 0;
}

/* ---------- DATE RANGE FILTER (section header) ---------- */
.date-range-filter {
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}
.date-range-filter label { font-size: 13px; font-weight: 500; }
.date-range-filter input { padding: .4rem .75rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); outline: none; }

/* ---------- REPORT ---------- */
.report-table-wrap { padding: .5rem; overflow-x: auto; }
.report-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.report-table th { background: var(--primary); color: #fff; padding: .6rem .85rem; text-align: left; }
.report-table td { padding: .55rem .85rem; border-bottom: 1px solid var(--border); }
.report-table tfoot td { background: #EBF4FF; font-weight: 600; }
.report-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-bottom: 1.25rem; }
.summary-card {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 1rem 1.25rem; box-shadow: var(--shadow);
  text-align: center;
}
.summary-card .val { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.summary-card .lbl { font-size: 12px; color: var(--text-muted); }

/* ---------- EMPTY STATE ---------- */
.empty-state {
  text-align: center; padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 1rem; opacity: .4; }
.empty-state p  { font-size: 14px; }

/* ---------- LOADING SPINNER ---------- */
.spinner-wrap { text-align: center; padding: 2rem; color: var(--primary); font-size: 1.5rem; }

/* ---------- WHOUT ITEM ROW ---------- */
.whout-item-row select,
.whout-item-row input { padding: .3rem .5rem; border: 1px solid var(--border); border-radius: 4px; width: 100%; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
  .form-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  /* Hide sidebar by default on mobile */
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close-btn { display: block; }
  .page-wrapper { margin-left: 0; }
  .hamburger-btn { display: block; }
  .content-area { padding: 1rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .tab-bar { overflow-x: auto; flex-wrap: nowrap; }
  .kiln-grid { grid-template-columns: 1fr 1fr; }
  .report-summary { grid-template-columns: 1fr; }
  .topbar-datetime { display: none; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kiln-grid { grid-template-columns: 1fr; }
  .form-grid-3 { grid-template-columns: 1fr; }
  .form-grid-4 { grid-template-columns: 1fr 1fr; }
  .modal-box { max-width: 100%; margin: 0; border-radius: var(--radius) var(--radius) 0 0; align-self: flex-end; }
}

/* ---------- PRINT ---------- */
@media print {
  .sidebar, .topbar, .section-header .btn-primary, .filter-row button,
  .report-print-btn, .report-search-btn { display: none !important; }
  .page-wrapper { margin-left: 0; }
  .content-area { padding: 0; }
  .card { box-shadow: none; border: 1px solid #ddd; }
}

/* ---------- Custom Searchable Select ---------- */
.cs-wrap { position: relative; width: 100%; }
.cs-wrap select { display: none; }
.cs-display {
  display: flex; align-items: center; justify-content: space-between;
  padding: .55rem .85rem;
  border: 1.5px solid #d0d7e2;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: .95rem;
  font-family: 'Kanit', sans-serif;
  user-select: none;
  transition: border-color .2s, box-shadow .2s;
}
.cs-wrap.cs-open .cs-display,
.cs-display:hover { border-color: var(--primary); }
.cs-wrap.cs-open .cs-display { box-shadow: 0 0 0 3px rgba(21,101,192,.1); }
.cs-placeholder { color: #aaa; }
.cs-arrow { color: #888; font-size: .75rem; transition: transform .2s; flex-shrink: 0; }
.cs-wrap.cs-open .cs-arrow { transform: rotate(180deg); }
.cs-dropdown {
  position: absolute; top: calc(100% + 3px); left: 0; right: 0; z-index: 9999;
  background: #fff;
  border: 1.5px solid var(--primary);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  overflow: hidden;
  display: none;
}
.cs-wrap.cs-open .cs-dropdown { display: block; }
.cs-search {
  width: 100%; padding: .5rem .75rem;
  border: none; border-bottom: 1px solid #e8edf5;
  font-family: 'Kanit', sans-serif; font-size: .9rem;
  outline: none; background: #f7f9fc;
  box-sizing: border-box;
}
.cs-search:focus { background: #fff; }
.cs-list { max-height: 200px; overflow-y: auto; }
.cs-option {
  padding: .45rem .85rem; cursor: pointer;
  font-size: .9rem; font-family: 'Kanit', sans-serif;
}
.cs-option:hover { background: #EEF2FF; color: var(--primary); }
.cs-option.cs-active { background: #e8eef9; font-weight: 500; }
.cs-option.cs-empty { color: #aaa; font-style: italic; cursor: default; }
.cs-option.cs-empty:hover { background: none; }

/* ---------- STOCK: SUMMARY BAR ---------- */
.stock-summary-bar { display: flex; gap: 1rem; flex-wrap: wrap; }
.sstat-card {
  flex: 1; min-width: 180px;
  background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: .9rem 1.25rem; display: flex; align-items: center; gap: .9rem;
}
.sstat-icon {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
}
.sstat-icon--blue { background: var(--primary); }
.sstat-icon--green { background: var(--success); }
.sstat-num { font-size: 1.35rem; font-weight: 700; color: var(--primary); line-height: 1.1; }
.sstat-lbl { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ---------- STOCK: FILTER GRID ---------- */
.stock-filter-wrap {
  padding: 1rem 1.25rem; display: flex; gap: .65rem; flex-wrap: wrap; align-items: flex-end;
}
.stock-filter-item { display: flex; flex-direction: column; gap: 4px; }
.stock-filter-item label { font-size: 12px; font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.stock-filter-item input,
.stock-filter-item select {
  padding: .45rem .75rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  outline: none; background: #fff; height: 36px; min-width: 100px;
  font-family: 'Kanit', sans-serif; font-size: .9rem;
}
.stock-filter-item input:focus,
.stock-filter-item select:focus { border-color: var(--primary); }
.stock-filter-btns { display: flex; gap: .4rem; align-items: flex-end; padding-bottom: 0; }
.btn-outline {
  padding: .45rem .85rem; border-radius: var(--radius-sm); font-size: .85rem; font-weight: 500;
  cursor: pointer; border: 1.5px solid var(--border); background: #fff; color: var(--text);
  font-family: 'Kanit', sans-serif; display: inline-flex; align-items: center; gap: .35rem;
  transition: border-color .2s, background .2s;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: #EEF2FF; }