:root {
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #dbeafe;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --success: #16a34a;
  --success-light: #dcfce7;
  --orange: #ea580c;
  --orange-light: #ffedd5;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --navbar-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
}

/* ─── Navbar ─── */
.navbar {
  height: var(--navbar-h);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 2px 8px rgba(30,64,175,.3);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar-brand { font-size: 1.1rem; font-weight: 700; letter-spacing: .3px; }
.stat-chip {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.15);
  color: #fff;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  gap: 4px;
}
.stat-chip.warning { background: rgba(217,119,6,.4); }
.stat-chip.danger  { background: rgba(220,38,38,.4); }

/* ─── Main Layout ─── */
.main-container {
  padding: 20px 24px;
  max-width: 100%;
}

/* ─── Toolbar ─── */
.toolbar-top { flex-wrap: wrap; }
.filter-bar  { flex-wrap: wrap; }
.search-wrap { position: relative; min-width: 200px; }
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.search-input { padding-left: 36px; border-radius: 8px; }
.filter-select { max-width: 140px; border-radius: 8px; }
.filter-date   { width: 130px; border-radius: 8px; font-size: 13px; }
.date-range-wrap { background: #fff; border: 1px solid #dee2e6; border-radius: 8px; padding: 4px 10px; }
.btn-clear-filter {
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  color: var(--text-muted);
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 14px;
  font-size: 13px;
}
.btn-clear-filter:hover { background: #e2e8f0; border-color: #94a3b8; color: var(--text); }
.btn-add {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
  padding: 8px 18px;
}
.btn-add:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn-line {
  background: #06C755;
  border-color: #06C755;
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
  padding: 8px 18px;
}
.btn-line:hover { background: #05a847; border-color: #05a847; color: #fff; }
.btn-line:disabled { opacity: 0.65; }

.btn-sheets {
  background: #fff;
  border: 1.5px solid #34a853;
  color: #34a853;
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
  padding: 8px 18px;
}
.btn-sheets:hover { background: #e6f4ea; color: #1e7e34; border-color: #1e7e34; }
.btn-sheets:disabled { opacity: 0.65; }

/* ─── Table ─── */
.table-wrap {
  border-radius: 12px;
  overflow-x: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  background: #fff;
  border: 1px solid var(--border);
}
.order-table {
  table-layout: fixed;
  /* width is set in px by initColResize(); no max-content so columns can shrink */
  border-collapse: separate;
  border-spacing: 0;
  white-space: nowrap;
  font-size: 13px;
}
.order-table thead tr {
  background: #1e293b;
  color: #fff;
}
.order-table th {
  padding: 11px 12px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .3px;
  text-transform: uppercase;
  border-bottom: none;
  position: sticky;
  top: 0;
  background: #1e293b;
  z-index: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
}
.order-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
}
.order-table tbody tr:last-child td { border-bottom: none; }
.order-table tbody tr:hover { background: #f1f5f9 !important; }

/* Row status colors */
.row-overdue   { background: #fff5f5; }
.row-due-today { background: #fff7ed; }
.row-warning   { background: #fffbeb; }

/* Frozen columns */
.col-freeze { min-width: 40px; }
.col-actions { min-width: 80px; }

/* ─── Sync status indicator ─── */
.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  transition: opacity .3s;
}
.sync-status.done  { background: #f0fdf4; border-color: #bbf7d0; color: var(--success); }
.sync-status.error { background: #fff5f5; border-color: #fecaca; color: var(--danger); }
.sync-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Inline EDD editing ─── */
.edd-cell {
  cursor: pointer;
}
.edd-cell:hover {
  background: #eff6ff !important;
  outline: 1px dashed #93c5fd;
}
.edd-override {
  color: var(--danger);
  font-weight: 700;
}
.edd-input {
  width: 120px;
  padding: 2px 6px;
  font-size: 12px;
  border: 1.5px solid var(--primary);
  border-radius: 5px;
  outline: none;
}

/* ─── Column resize handle ─── */
.col-resize-handle {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  cursor: col-resize;
  z-index: 3;
}
.col-resize-handle:hover,
.col-resize-handle.dragging {
  background: rgba(255,255,255,.35);
}
/* Vertical drag indicator line */
#col-resize-line {
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #60a5fa;
  z-index: 9999;
  pointer-events: none;
}

/* ─── Badges ─── */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 20px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-ok        { background: var(--success-light); color: var(--success); }
.badge-warning   { background: var(--warning-light); color: var(--warning); }
.badge-due-today { background: var(--orange-light);  color: var(--orange); }
.badge-overdue   { background: var(--danger-light);  color: var(--danger); }
.badge-none      { background: #f1f5f9; color: var(--text-muted); }

/* Days badge */
.days-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 12px;
}
.days-ok      { background: var(--success-light); color: var(--success); }
.days-warning { background: var(--warning-light); color: var(--warning); }
.days-overdue { background: var(--danger-light);  color: var(--danger); }
.days-none    { background: #f1f5f9; color: var(--text-muted); }

/* ─── Action buttons ─── */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all .15s;
  font-size: 14px;
}
.btn-icon-edit  { color: var(--primary); }
.btn-icon-edit:hover  { background: var(--primary-light); border-color: var(--primary); }
.btn-icon-del   { color: var(--danger); }
.btn-icon-del:hover   { background: var(--danger-light);  border-color: var(--danger); }

/* ─── Empty state ─── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

/* ─── Modal ─── */
.modal-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  border-radius: 12px 12px 0 0;
}
.modal-content { border-radius: 12px; border: none; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal-title { font-weight: 700; }

/* Form sections */
.form-section {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 16px;
}
.form-section-title {
  font-weight: 700;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-label { font-weight: 500; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.form-control, .form-select { font-size: 13px; border-radius: 7px; }
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,64,175,.12);
}
.input-group-text { font-size: 13px; color: var(--text-muted); border-radius: 7px 0 0 7px; }

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}
.toast-msg {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1e293b;
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  animation: slideIn .25s ease;
  margin-top: 8px;
}
.toast-msg.success { background: var(--success); }
.toast-msg.error   { background: var(--danger); }
@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Scrollbar */
.table-wrap::-webkit-scrollbar { height: 6px; }
.table-wrap::-webkit-scrollbar-track { background: #f1f5f9; }
.table-wrap::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.table-wrap::-webkit-scrollbar-thumb:hover { background: #94a3b8; }