:root {
  --bg-main: #0b0f14;
  --bg-card: #121824;
  --bg-card-alt: #1a2233;
  --bg-input: #0f1520;
  --border-color: #1e293b;
  --border-light: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #64748b;
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-glow: rgba(56, 189, 248, 0.15);
  --success: #22c55e;
  --success-glow: rgba(34, 197, 94, 0.15);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --font-main: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.brand-link {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 3px;
  color: var(--primary);
}

.brand-badge {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 6px;
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 4px;
}

.nav-menu {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  font-family: var(--font-main);
  font-size: 13.5px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.nav-item.active {
  background-color: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

.badge-count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  color: var(--text-muted);
}

.nav-item.active .badge-count {
  background: var(--primary);
  color: #0b0f14;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-ghost-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-ghost-sm:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-sub);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-sub);
}

.status-dot.online {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 32px 40px;
  overflow-y: auto;
}

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.topbar-title h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.topbar-title p {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #0b0f14;
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card-alt);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
}

.btn-table-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-table-action:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
}

.btn-table-action.pay-btn {
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary);
  border-color: rgba(56, 189, 248, 0.3);
}

.btn-table-action.pay-btn:hover {
  background: var(--primary);
  color: #0b0f14;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin: 8px 0 4px 0;
}

.kpi-val.highlight {
  color: var(--primary);
}

.kpi-val.warning {
  color: var(--warning);
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-sub);
}

/* Panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.panel-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.panel-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.panel-filter-group {
  display: flex;
  gap: 6px;
  background: var(--bg-main);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover {
  color: var(--text-main);
}

.filter-btn.active {
  background: var(--bg-card-alt);
  color: var(--primary);
}

.panel-search input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  padding: 8px 14px;
  font-size: 13px;
  outline: none;
  min-width: 260px;
  transition: border-color 0.15s;
}

.panel-search input:focus {
  border-color: var(--primary);
}

/* Data Table */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  padding: 12px 14px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.4);
}

.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 13.5px;
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.loading-cell {
  text-align: center;
  padding: 30px !important;
  color: var(--text-sub);
}

/* Badges */
.status-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-pill.paid, .status-pill.completed, .status-pill.sent-success {
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-pill.sent, .status-pill.confirmed, .status-pill.simulated {
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.status-pill.draft, .status-pill.pending {
  background: var(--warning-glow);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-pill.dispatched {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.status-pill.overdue, .status-pill.failed {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Square Status Box */
.square-status-box {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.square-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-main);
}

.square-badge svg {
  color: var(--primary);
  flex-shrink: 0;
}

.square-badge p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
  animation: fadeIn 0.15s ease-out;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 550px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-card.modal-lg {
  max-width: 840px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.modal-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

/* Keep the close button clear of wrapping titles (long names) */
.modal-header > div { flex: 1; min-width: 0; padding-right: 10px; }
.modal-title { overflow-wrap: anywhere; }
.modal-close { flex-shrink: 0; }

/* Custom confirm/alert dialog (replaces native alert()/confirm()) */
.dialog-backdrop { z-index: 2000; }
.dialog-card {
  max-width: 420px;
  padding: 28px 24px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.dialog-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  margin-bottom: 14px;
  flex-shrink: 0;
}
.dialog-icon.danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.4);
}
.dialog-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.dialog-msg {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 22px;
  overflow-wrap: anywhere;
}
.dialog-actions { display: flex; gap: 10px; width: 100%; }
.dialog-btn { flex: 1; justify-content: center; padding: 12px; font-size: 15px; }
.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--danger);
  color: #fff;
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-danger:hover { filter: brightness(1.12); transform: translateY(-1px); }

.modal-form {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  padding: 9px 12px;
  font-family: var(--font-main);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus {
  border-color: var(--primary);
}

select.form-input option {
  background: var(--bg-card);
  color: var(--text-main);
}

/* Service Presets */
.presets-section {
  background: rgba(15, 23, 42, 0.5);
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  padding: 12px;
}

.presets-label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.presets-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-btn {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.chip-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.chip-btn.rebate-chip {
  border-color: rgba(34, 197, 94, 0.4);
  color: #4ade80;
  background: rgba(34, 197, 94, 0.08);
}

.chip-btn.rebate-chip:hover {
  background: rgba(34, 197, 94, 0.18);
}

/* Line Items Builder */
.items-builder {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-main);
  padding: 12px;
}

.items-edit-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
}

.items-edit-table th {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 6px 8px;
  text-align: left;
}

.items-edit-table td {
  padding: 6px 4px;
}

.item-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  padding: 7px 10px;
  font-size: 13px;
  outline: none;
}

.item-input:focus {
  border-color: var(--primary);
}

.btn-remove-item {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 16px;
  border-radius: 4px;
}

.btn-remove-item:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* Calc Summary */
.calc-summary-box {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  color: var(--text-muted);
}

.discount-row {
  color: #4ade80;
}

.calc-mini-input {
  width: 90px;
  background: var(--bg-card);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  text-align: right;
}

.total-row {
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.highlight-total {
  color: var(--primary);
  font-size: 18px;
  font-family: var(--font-display);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

/* Email Preview */
.email-preview-frame-wrap {
  padding: 0;
  height: 520px;
  background: #000;
}

.email-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Toast */
.toast-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  color: #f8fafc;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid #38bdf8;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

.toast-popup.show {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================================
   Dispatch Calendar
   ========================================================================= */
.cal-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.cal-nav {
  display: flex;
  gap: 6px;
}

.cal-nav-btn {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cal-nav-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cal-month-label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

.cal-legend {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.cal-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.cal-dot.hvac { background: #38bdf8; box-shadow: 0 0 8px rgba(56, 189, 248, 0.6); }
.cal-dot.panel { background: #f59e0b; box-shadow: 0 0 8px rgba(245, 158, 11, 0.6); }
.cal-dot.smart { background: #a78bfa; box-shadow: 0 0 8px rgba(167, 139, 250, 0.6); }

.cal-week-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
}

.cal-week-cell {
  padding: 9px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-sub);
  text-align: center;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--bg-card);
}

.cal-day {
  min-height: 118px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cal-day:nth-child(7n) { border-right: none; }
.cal-day:hover { background: rgba(56, 189, 248, 0.04); }
.cal-day.muted { opacity: 0.38; }
.cal-day.today { box-shadow: inset 0 0 0 1.5px var(--primary); }

.cal-day-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.cal-day.today .cal-day-num { color: var(--primary); }

.cal-day-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cal-day-add {
  align-self: flex-start;
  background: transparent;
  border: 1px dashed var(--border-light);
  color: var(--text-sub);
  width: 22px;
  height: 22px;
  border-radius: 5px;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
}

.cal-day:hover .cal-day-add { opacity: 1; }
.cal-day-add:hover { border-color: var(--primary); color: var(--primary); }

.cal-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-light);
  border-left-width: 3px;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 7px;
  border-radius: 5px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  overflow: hidden;
  white-space: nowrap;
}

.cal-chip:hover { transform: translateY(-1px); border-color: var(--primary); }
.cal-chip.hvac { border-left-color: #38bdf8; }
.cal-chip.panel { border-left-color: #f59e0b; }
.cal-chip.smart { border-left-color: #a78bfa; }
.cal-chip.other { border-left-color: var(--text-sub); }

.cal-chip-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-sub);
}

.cal-chip-status.pending { background: var(--warning); }
.cal-chip-status.confirmed { background: var(--primary); }
.cal-chip-status.dispatched { background: var(--warning); box-shadow: 0 0 6px rgba(245, 158, 11, 0.7); }
.cal-chip-status.completed { background: var(--success); }

.cal-chip-time {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-sub);
  flex-shrink: 0;
}

.cal-chip-name { overflow: hidden; text-overflow: ellipsis; }

.unscheduled-list {
  padding: 6px 16px 16px;
}

.unscheduled-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border-color);
}

.unscheduled-row:last-child { border-bottom: none; }

.unscheduled-meta {
  font-size: 12.5px;
  color: var(--text-sub);
  margin-top: 2px;
}

.unscheduled-empty {
  color: var(--text-sub);
  font-size: 13.5px;
  padding: 14px 4px;
  text-align: center;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

.cal-detail-customer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.cal-detail-chip {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
}

.cal-detail-chip.prio-today { color: var(--warning); border-color: rgba(245, 158, 11, 0.4); }
.cal-detail-chip.prio-tomorrow { color: var(--primary); border-color: rgba(56, 189, 248, 0.4); }
.cal-detail-chip.prio-flexible { color: var(--text-muted); }

.cal-wrap { padding: 16px; }


/* =========================================================================
   Product Catalog & Cash Payments
   ========================================================================= */
.cat-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  background: var(--bg-card-alt);
  text-transform: uppercase;
}

.cat-service { color: #38bdf8; border-color: rgba(56, 189, 248, 0.35); }
.cat-labor { color: #22c55e; border-color: rgba(34, 197, 94, 0.35); }
.cat-hardware { color: #f59e0b; border-color: rgba(245, 158, 11, 0.35); }
.cat-parts { color: #a78bfa; border-color: rgba(167, 139, 250, 0.35); }

.change-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  font-family: var(--font-mono);
}

.row-archived { opacity: 0.55; }
.row-archived:hover { opacity: 1; }

.presets-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.history-timeline {
  max-height: 420px;
  overflow-y: auto;
}

.history-row {
  padding: 12px 4px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.history-row:last-child { border-bottom: none; }

.history-arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
}

.history-arrow strong { color: var(--primary); }
.history-arrow-icon { color: var(--text-sub); }

.history-meta {
  font-size: 12px;
  color: var(--text-sub);
}

.history-empty {
  color: var(--text-sub);
  text-align: center;
  padding: 28px 0;
  font-size: 13.5px;
}

/* =========================================================================
   Mobile Floating Action Button (hidden on desktop)
   ========================================================================= */
.mobile-fab { display: none; }

/* =========================================================================
   Dispatch Agenda (mobile-first readable schedule). Hidden on desktop,
   which keeps the month grid. On mobile the Agenda is the default view and
   the dense month grid is opt-in via the Agenda/Month toggle.
   ========================================================================= */
.cal-view-toggle { display: none; }
.cal-agenda { display: none; padding: 12px 16px 16px; }
.agenda-day { margin-bottom: 16px; }
.agenda-day-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--text-main);
  margin-bottom: 6px;
}
.agenda-past { opacity: 0.5; }
.agenda-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 11px 12px;
  margin-bottom: 6px;
  cursor: pointer;
  text-align: left;
  color: var(--text-main);
  font-family: var(--font-main);
  transition: border-color 0.15s ease;
}
.agenda-item:hover { border-color: var(--primary); }
.agenda-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  min-width: 44px;
  flex-shrink: 0;
}
.agenda-item .cal-dot { flex-shrink: 0; }
.agenda-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.agenda-name { font-weight: 600; font-size: 14px; }
.agenda-sub {
  font-size: 12px;
  color: var(--text-sub);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agenda-empty { color: var(--text-sub); text-align: center; padding: 24px 8px; font-size: 13.5px; }

/* =========================================================================
   MOBILE-CENTRIC LAYER (owner runs the whole business from a phone)
   Pure responsive transform — desktop layout above is untouched.
   ========================================================================= */
@media (max-width: 768px) {

  /* --- App frame: brand bar on top, tab bar pinned to bottom --- */
  .app-layout { flex-direction: column; }

  .main-content {
    padding: 70px 14px 116px; /* clear top brand bar + bottom tab bar + FAB */
    overflow-y: visible;
  }

  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    width: 100%;
    height: auto;
    border-right: none;
    border-top: 1px solid var(--border-color);
    z-index: 900;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.45);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .sidebar-brand {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 901;
  }

  .sidebar-footer { display: none; }

  .nav-menu {
    flex-direction: row;
    overflow-x: hidden; /* all 7 tabs shrink to fit — no side-scroll */
    padding: 6px 4px;
    gap: 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav-menu::-webkit-scrollbar { display: none; }

  .nav-item {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 7px 2px 6px;
    font-size: 9.5px;
    border-radius: 10px;
  }
  .nav-item svg { width: 18px; height: 18px; }
  /* short single-word labels on the bottom tab bar (long text kept on desktop) */
  .nav-item > span[data-short] { font-size: 0; }
  .nav-item > span[data-short]::before { content: attr(data-short); font-size: 8.5px; letter-spacing: -0.2px; white-space: nowrap; }

  .badge-count {
    position: absolute;
    top: 1px;
    right: 6px;
    margin: 0;
    font-size: 9px;
    padding: 1px 4px;
  }

  /* --- Topbar: compact title; create buttons move to the FAB --- */
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 18px;
  }
  .topbar-title h1 { font-size: 21px; }
  .topbar-title p { font-size: 12.5px; }
  .topbar-actions { display: none; }

  /* --- KPI cards: 2x2 grid --- */
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 20px; }
  .kpi-card { padding: 14px; }
  .kpi-val { font-size: 22px; margin: 6px 0 2px; }
  .kpi-label { font-size: 10.5px; }
  .kpi-sub { font-size: 11px; }

  /* --- Panels --- */
  .panel-card { padding: 14px 12px; border-radius: 10px; }
  .panel-header { flex-direction: column; align-items: stretch; gap: 12px; }
  .panel-header > div[style*="display:flex"] { flex-wrap: wrap; }
  .panel-filter-group { overflow-x: auto; align-self: flex-start; max-width: 100%; }
  .panel-search input { min-width: 0; width: 100%; font-size: 16px; padding: 11px 14px; }

  /* --- Data tables -> stacked cards --- */
  .table-responsive { overflow-x: visible; }
  .data-table thead { display: none; }
  .data-table, .data-table tbody { display: block; width: 100%; }
  .data-table tr {
    display: block;
    margin-bottom: 12px;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
  }
  .data-table tr.row-archived { opacity: 1; }
  .data-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13.5px;
    text-align: right;
  }
  .data-table td:last-child { border-bottom: none; }
  .data-table td[data-label]::before {
    content: attr(data-label);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-sub);
    text-align: left;
    flex-shrink: 0;
  }
  .data-table td.td-num { justify-content: flex-start; text-align: left; font-size: 15px; }
  .data-table td.td-cust { flex-direction: column; align-items: flex-start; text-align: left; gap: 2px; }
  .data-table td.td-actions { flex-direction: row; justify-content: flex-start; flex-wrap: wrap; gap: 8px; text-align: left; }
  .data-table td.td-actions > div { display: flex; flex-wrap: wrap; gap: 8px; }
  .data-table td.td-actions select { flex: 1; min-width: 130px; }
  .btn-table-action { padding: 8px 12px; font-size: 12.5px; }
  .loading-cell { text-align: center; }

  /* --- Modals -> full-screen sheets --- */
  .modal-backdrop { padding: 0; align-items: stretch; justify-content: stretch; }
  .modal-card {
    max-width: 100%;
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
    border: none;
  }
  .modal-card.modal-lg { max-width: 100%; }
  /* Custom dialog stays a compact centered card even on mobile */
  .dialog-backdrop { padding: 20px; align-items: center; justify-content: center; }
  .dialog-card { max-width: 420px; width: 100%; height: auto; max-height: none; border-radius: 14px; border: 1px solid var(--border-color); }
  .modal-header {
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 5;
    padding: 16px;
  }
  .modal-title { font-size: 18px; }
  .modal-form { padding: 16px; flex: 1; }

  /* --- Forms: stack rows, bigger touch targets, 16px kills iOS zoom --- */
  .form-row { flex-direction: column; gap: 16px; }
  .form-input { font-size: 16px; padding: 12px; }
  select.form-input { font-size: 16px; }
  textarea.form-input { font-size: 16px; }
  .modal-actions { flex-direction: column-reverse; gap: 10px; }
  .modal-actions .btn-primary, .modal-actions .btn-secondary { width: 100%; justify-content: center; padding: 13px; font-size: 15px; }
  .modal-actions > div { display: flex; gap: 10px; width: 100%; }
  .modal-actions > div .btn-primary, .modal-actions > div .btn-secondary { flex: 1; }

  /* --- Invoice line-items -> stacked item cards --- */
  .items-builder { overflow: visible; } /* overflow:hidden collapses the block-transformed table */
  .items-edit-table thead { display: none; }
  .items-edit-table, .items-edit-table tbody { display: block; width: 100%; }
  .items-edit-table tr.item-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    padding-right: 44px;
    margin-bottom: 12px;
    background: var(--bg-card);
  }
  .item-row td { display: block; padding: 0; }
  .item-row .td-item-desc { width: 100%; }
  .item-row td:not(.td-item-desc):not(.td-item-qty):not(.td-item-price):not(.td-item-remove) { width: 100%; }
  .item-row .td-item-qty, .item-row .td-item-price { flex: 1; }
  .item-row .td-item-qty::before, .item-row .td-item-price::before {
    content: attr(data-label);
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-sub);
    margin-bottom: 4px;
  }
  .item-row .td-item-remove { position: absolute; top: 8px; right: 8px; }
  .item-input { font-size: 15px; padding: 10px; }

  /* --- Email preview iframe fills the sheet --- */
  .email-preview-frame-wrap { height: 100%; flex: 1; }

  /* --- Dispatch calendar: compact dot+time chips --- */
  .cal-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .cal-month-label { text-align: center; order: -1; }
  .cal-nav { justify-content: center; }
  .cal-legend { justify-content: center; }
  .cal-wrap { padding: 8px; }
  .cal-week-cell { padding: 6px 2px; font-size: 9px; letter-spacing: 0.4px; }
  .cal-day { min-height: 58px; padding: 3px; gap: 3px; }
  .cal-day-num { font-size: 10px; }
  .cal-chip { font-size: 9px; padding: 2px 3px; gap: 2px; border-left-width: 2px; }
  .cal-chip-name { display: none; }
  .cal-chip-time { font-size: 8.5px; }
  .cal-chip-status { width: 5px; height: 5px; }
  .cal-day-add { opacity: 1; width: 18px; height: 18px; font-size: 11px; }
  .unscheduled-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .unscheduled-row .btn-sm { width: 100%; }

  /* --- Agenda (default) vs Month toggle --- */
  .cal-view-toggle { display: flex; gap: 6px; padding: 12px 12px 0; }
  .cal-view-btn {
    flex: 1;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    padding: 9px;
    border-radius: 8px;
    cursor: pointer;
  }
  .cal-view-btn.active { color: var(--primary); border-color: var(--primary); background: var(--primary-glow); }
  /* Agenda is the default mobile view; month grid is opt-in. */
  #tab-calendar .cal-wrap { display: none; }
  #tab-calendar .cal-agenda { display: block; }
  #tab-calendar.show-month .cal-wrap { display: block; }
  #tab-calendar.show-month .cal-agenda { display: none; }

  /* --- Square status + misc --- */
  .square-badge { align-items: flex-start; }
  .square-badge p { font-size: 12px; }

  /* --- Toast above the bottom tab bar --- */
  .toast-popup { left: 14px; right: 14px; bottom: 158px; text-align: center; }

  /* --- Floating Action Button (Create) --- */
  .mobile-fab {
    display: block;
    position: fixed;
    right: 14px;
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
    z-index: 950;
  }
  .fab-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #0b0f14;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px rgba(56, 189, 248, 0.45);
    cursor: pointer;
    transition: transform 0.2s ease;
  }
  .mobile-fab.open .fab-toggle { transform: rotate(45deg); }
  .fab-menu {
    position: absolute;
    bottom: 68px;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: all 0.18s ease;
  }
  .mobile-fab.open .fab-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .fab-action {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card-alt);
    color: var(--text-main);
    border: 1px solid var(--border-light);
    padding: 11px 16px;
    border-radius: 999px;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  }
  .fab-action svg { color: var(--primary); }
}