/* styles.css - Modern Premium Glassmorphism Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Dark Mode Variables (Default) */
  --bg-gradient: radial-gradient(circle at 50% 0%, #1e1b4b 0%, #0b0f19 70%, #030712 100%);
  --sidebar-bg: rgba(17, 24, 39, 0.55);
  --card-bg: rgba(31, 41, 55, 0.45);
  --card-hover-bg: rgba(37, 50, 69, 0.55);
  --border-color: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(99, 102, 241, 0.6);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --primary: #6366f1;
  /* Indigo */
  --primary-glow: rgba(99, 102, 241, 0.25);
  --secondary: #06b6d4;
  /* Teal */
  --secondary-glow: rgba(6, 182, 212, 0.25);

  --success: #10b981;
  /* Emerald */
  --success-glow: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  /* Amber */
  --warning-glow: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  /* Rose */
  --danger-glow: rgba(239, 68, 68, 0.15);
  --info: #3b82f6;
  /* Blue */
  --info-glow: rgba(59, 130, 246, 0.15);

  --font-sans: 'Inter', sans-serif;
  --font-header: 'Outfit', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  /* Form / Modal / UI Surface Colors */
  --input-bg: rgba(30, 41, 59, 0.75);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-placeholder: #6b7280;
  --modal-bg: #111827;
  --modal-header-bg: rgba(17, 24, 39, 0.6);
  --dropdown-bg: #1e293b;
  --toast-bg: #1f2937;
  --toast-text: #f3f4f6;
  --hover-border: rgba(255, 255, 255, 0.14);
  --scrollbar-thumb: rgba(255, 255, 255, 0.12);
  --scrollbar-track: transparent;
}

[data-theme="light"] {
  /* Light Mode Overrides */
  --bg-gradient: radial-gradient(circle at 50% 0%, #f3f4f6 0%, #e5e7eb 70%, #d1d5db 100%);
  --sidebar-bg: rgba(255, 255, 255, 0.75);
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-hover-bg: rgba(255, 255, 255, 0.85);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(99, 102, 241, 0.8);

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;

  --primary-glow: rgba(99, 102, 241, 0.15);
  --secondary-glow: rgba(6, 182, 212, 0.15);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, 0.12);

  /* Form / Modal / UI Surface Colors */
  --input-bg: rgba(255, 255, 255, 0.92);
  --input-border: rgba(0, 0, 0, 0.14);
  --input-placeholder: #9ca3af;
  --modal-bg: #ffffff;
  --modal-header-bg: rgba(249, 250, 251, 0.9);
  --dropdown-bg: #ffffff;
  --toast-bg: #1f2937;
  --toast-text: #f3f4f6;
  --hover-border: rgba(0, 0, 0, 0.12);
  --scrollbar-thumb: rgba(0, 0, 0, 0.12);
  --scrollbar-track: transparent;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  transition: var(--transition-smooth);
}

/* App Shell Layout */
#app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition-smooth);
  overflow: hidden;
}

#sidebar-nav-wrapper {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
  padding-right: 0.25rem;
}

.sidebar nav::-webkit-scrollbar { width: 4px; }
.sidebar nav::-webkit-scrollbar-track { background: transparent; }
.sidebar nav::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.menu-group-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 1rem 0.5rem 0.2rem;
  opacity: 0.6;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.menu-group-label::before {
  content: '';
  display: block;
  height: 1px;
  flex: 1;
  background: var(--border-color);
  opacity: 0.5;
}

.menu-group-label[data-group] {
  cursor: pointer;
  user-select: none;
  pointer-events: auto;
}
.menu-group-label[data-group]:hover { opacity: 0.9; }

.group-chevron {
  width: 13px !important;
  height: 13px !important;
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.menu-group-label.group-collapsed .group-chevron {
  transform: rotate(-90deg);
}

.menu-group-item {
  transition: max-height 0.2s ease, opacity 0.15s ease, margin 0.2s ease;
  max-height: 60px;
  opacity: 1;
  overflow: hidden;
}
.menu-group-item.group-collapsed {
  max-height: 0 !important;
  opacity: 0;
  margin: 0 !important;
  pointer-events: none;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--primary-glow);
  color: white;
  font-weight: bold;
}

.logo-text {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .logo-text {
  background: linear-gradient(135deg, #111827 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-item:hover,
.menu-item.active {
  color: var(--text-primary);
  background: var(--card-hover-bg);
  box-shadow: inset 0 0 0 1px var(--border-color);
}

.menu-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-left: 3px solid var(--primary);
}

.menu-item svg {
  width: 20px;
  height: 20px;
  transition: var(--transition-smooth);
}

.menu-item:hover svg,
.menu-item.active svg {
  transform: translateX(2px);
  color: var(--primary);
}

/* User Profile Sidebar Widget */
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  /* keep content above iOS home indicator and Android nav bar */
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-logout {
  width: 100%;
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-logout:hover {
  background: var(--danger-glow);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 2.5rem;
  overflow-y: auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Top Navbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.page-title {
  font-family: var(--font-header);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Glassmorphism Cards */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Dashboard Summary Cards Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  font-family: var(--font-header);
  font-size: 1.75rem;
  font-weight: 700;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-sales {
  background: var(--info-glow);
  color: var(--info);
}

.icon-advances {
  background: var(--success-glow);
  color: var(--success);
}

.icon-receivables {
  background: var(--warning-glow);
  color: var(--warning);
}

.icon-users {
  background: var(--primary-glow);
  color: var(--primary);
}

/* Main Dashboard Charts & Activity Grid */
.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

/* Styled Table Styles */
.table-wrapper {
  overflow-x: auto;
  margin-top: 1rem;
}

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

th {
  padding: 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--card-hover-bg);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
  background: var(--warning-glow);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
  background: var(--danger-glow);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-info {
  background: var(--info-glow);
  color: var(--info);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-primary:disabled {
  background: var(--border-color);
  box-shadow: none;
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--card-hover-bg);
  border-color: var(--hover-border);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  color: var(--text-muted);
  border-color: var(--border-color);
  pointer-events: none;
}

.btn-icon {
  padding: 0.4rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.btn-icon:hover {
  color: var(--text-primary);
  background: var(--card-hover-bg);
}

.btn-icon.edit:hover {
  color: var(--primary);
  background: var(--primary-glow);
  border-color: rgba(99, 102, 241, 0.3);
}

.btn-icon.delete:hover {
  color: var(--danger);
  background: var(--danger-glow);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Modern Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 90%;
  max-width: 550px;
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-premium), 0 0 30px var(--primary-glow);
  transform: scale(0.95);
  transition: var(--transition-smooth);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--modal-header-bg);
}

.modal-title {
  font-family: var(--font-header);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
  color: var(--text-primary);
}

.modal-footer {
  padding: 1rem 1.5rem;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: var(--modal-header-bg);
}

/* Floating Input Forms */
.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-input::placeholder {
  color: var(--input-placeholder);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--input-bg);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
  padding-right: 2.5rem;
  background-color: var(--input-bg);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-input {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  cursor: pointer;
  accent-color: var(--primary);
}

/* Authentication Screen */
#auth-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  margin: 0 auto 1rem;
}

.auth-title {
  font-family: var(--font-header);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-toggle {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-toggle span {
  color: var(--primary);
  cursor: pointer;
  font-weight: 600;
}

/* Theme Switcher Toggle */
.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.4rem;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--card-hover-bg);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Customer Invoices View styles */
.invoice-customer-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.invoice-customer-card:last-child {
  border-bottom: none;
}

.invoice-customer-card:hover {
  background: var(--card-hover-bg);
}

/* Table grid view layout for Relational Tables page */
.tables-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.tables-nav-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tables-nav-btn:hover {
  background: var(--card-hover-bg);
}

.tables-nav-btn.active {
  background: var(--primary-glow);
  color: var(--primary);
  border-color: rgba(99, 102, 241, 0.3);
}

/* Allocation Detail Tags */
.allocation-tag {
  display: inline-flex;
  align-items: center;
  background: var(--info-glow);
  color: var(--info);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  margin: 0.15rem;
}

/* Notification/Toast Popup */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--toast-bg);
  color: var(--toast-text);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 2000;
  min-width: 260px;
  max-width: 400px;
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--danger);
}

/* --- PRINT INVOICE LAYOUT --- */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  /* Hide everything except the invoice modal */
  #loading-overlay,
  #auth-container,
  #app-container,
  #form-modal,
  #allocations-modal,
  .toast {
    display: none !important;
  }

  /* Hide modal chrome — only print the statement content */
  .modal-header {
    display: none !important;
  }

  #invoice-modal {
    position: static !important;
    width: 100% !important;
    height: auto !important;
    background: white !important;
    backdrop-filter: none !important;
    display: block !important;
    opacity: 1 !important;
  }

  .modal-container {
    width: 100% !important;
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    background: white !important;
    transform: none !important;
  }

  .modal-body {
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  .invoice-print-container {
    color: black !important;
    font-family: 'Inter', sans-serif !important;
  }

  .invoice-print-container table {
    border: 1px solid #ddd !important;
  }

  .invoice-print-container th {
    background: #f3f4f6 !important;
    color: black !important;
    border-bottom: 2px solid #ccc !important;
  }

  .invoice-print-container td {
    border-bottom: 1px solid #ddd !important;
    color: black !important;
  }

  /* Hide Cash Advance Deposits section */
  .advances-section {
    display: none !important;
  }

}

/* Searchable Dropdown Styles */
.searchable-dropdown-wrapper {
  position: relative;
}

.searchable-dropdown-options {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  background: var(--dropdown-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  z-index: 1010;
  box-shadow: var(--shadow-premium);
}

.searchable-dropdown-option {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.searchable-dropdown-option:hover {
  background: var(--card-hover-bg);
}

.searchable-dropdown-option.selected {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}
/* ── SUPABASE SETUP PANEL ─────────────────────────────────────────────────── */
.btn-supabase {
  width: 100%;
  padding: 0.65rem 1rem;
  background: linear-gradient(135deg, #3ECF8E, #1a9e6a);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(62, 207, 142, 0.25);
}
.btn-supabase:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(62, 207, 142, 0.35);
}

.sb-connected-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(62, 207, 142, 0.1);
  border: 1px solid rgba(62, 207, 142, 0.25);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.sheets-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
}
.sheets-hint code {
  font-family: monospace;
  background: rgba(99,102,241,0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  color: var(--primary);
}
.sheets-link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.82rem;
  cursor: pointer;
  font-weight: 600;
  padding: 0;
  text-decoration: underline;
  display: block;
  margin: 0 auto;
}
.gs-help-details {
  font-size: 0.82rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
}
.gs-help-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-secondary);
}
.gs-help-details ol {
  margin: 0.75rem 0 0.25rem 1.25rem;
  line-height: 1.9;
}
.gs-help-details code {
  font-family: monospace;
  background: rgba(99,102,241,0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  color: var(--primary);
  font-size: 0.82rem;
}

/* ── LOADING OVERLAY ─────────────────────────────────────────────────────── */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.loading-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-premium);
}
.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── CUSTOM SCROLLBARS (themed) ──────────────────────────────────────────── */
.modal-body::-webkit-scrollbar,
.searchable-dropdown-options::-webkit-scrollbar,
#reports-diagnostic-console::-webkit-scrollbar {
  width: 6px;
}
.modal-body::-webkit-scrollbar-track,
.searchable-dropdown-options::-webkit-scrollbar-track,
#reports-diagnostic-console::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
.modal-body::-webkit-scrollbar-thumb,
.searchable-dropdown-options::-webkit-scrollbar-thumb,
#reports-diagnostic-console::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

/* Readonly / disabled inputs should look clearly inactive in both themes */
.form-input[readonly],
.form-input:disabled {
  background: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Diagnostic console inherits body text but needs explicit color for both themes */
#reports-diagnostic-console {
  color: var(--text-primary);
}
[data-theme="light"] #reports-diagnostic-console {
  background: rgba(241, 245, 249, 0.8) !important;
  color: #1e293b !important;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN SYSTEM
   Breakpoints:
     Mobile  — max 639px
     Tablet  — 640px – 1023px
     Desktop — 1024px+  (base styles above)
═══════════════════════════════════════════════════════════════════════════ */

/* ── HAMBURGER BUTTON (hidden on desktop) ─────────────────────────────── */
.hamburger-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}
.hamburger-btn:hover {
  color: var(--text-primary);
  background: var(--card-hover-bg);
}
.hamburger-btn svg { width: 20px; height: 20px; }

/* ── SIDEBAR COLLAPSE TOGGLE (desktop only) ─────────────────────────── */
.sidebar-collapse-btn { display: none; }

@media (min-width: 1024px) {
  .sidebar-collapse-btn { display: flex; }
  .sidebar-collapse-btn svg { transition: transform 0.3s ease; }
  .sidebar.sidebar-collapsed .sidebar-collapse-btn svg { transform: rotate(180deg); }

  .sidebar.sidebar-collapsed {
    width: 68px;
    padding: 1.5rem 0.75rem;
    overflow: hidden;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .sidebar.sidebar-collapsed:hover {
    width: 230px;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
  }
  .sidebar.sidebar-collapsed .logo-container { gap: 0.5rem; margin-bottom: 2rem; }
  .sidebar.sidebar-collapsed .logo-text { opacity: 0; transition: opacity 0.2s ease; white-space: nowrap; }
  .sidebar.sidebar-collapsed:hover .logo-text { opacity: 1; }
  .sidebar.sidebar-collapsed .menu-item {
    padding: 0.85rem;
    justify-content: center;
    gap: 0;
    overflow: hidden;
  }
  .sidebar.sidebar-collapsed:hover .menu-item {
    justify-content: flex-start;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
  }
  .sidebar.sidebar-collapsed .menu-label { opacity: 0; transition: opacity 0.15s ease; width: 0; }
  .sidebar.sidebar-collapsed:hover .menu-label { opacity: 1; width: auto; }
  .sidebar.sidebar-collapsed .menu-group-label { opacity: 0; height: 0; padding: 0; overflow: hidden; pointer-events: none; }
  .sidebar.sidebar-collapsed:hover .menu-group-label { opacity: 0.6; height: auto; padding: 1rem 0.5rem 0.2rem; pointer-events: auto; }
  .sidebar.sidebar-collapsed .menu-group-item.group-collapsed { max-height: 0 !important; opacity: 0; }
  .sidebar.sidebar-collapsed:hover .menu-group-item.group-collapsed { max-height: 0 !important; opacity: 0; }
  .sidebar.sidebar-collapsed .user-info { opacity: 0; transition: opacity 0.15s ease; width: 0; overflow: hidden; }
  .sidebar.sidebar-collapsed:hover .user-info { opacity: 1; width: auto; }
  .sidebar.sidebar-collapsed .btn-logout { justify-content: center; padding: 0.6rem 0; }
  .sidebar.sidebar-collapsed .sidebar-footer > div:first-of-type {
    flex-direction: column;
    align-items: center;
  }
  .sidebar.sidebar-collapsed:hover .sidebar-footer > div:first-of-type {
    flex-direction: row;
    align-items: center;
  }
}

/* ── SIDEBAR CLOSE BUTTON (mobile only) ──────────────────────────────── */
.sidebar-close-btn {
  display: none;
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  z-index: 10;
}
.sidebar-close-btn svg { width: 18px; height: 18px; }

/* ── SIDEBAR BACKDROP (mobile) ───────────────────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.55);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.sidebar-backdrop.active {
  opacity: 1;
}

/* ── MENU LABEL SPAN ─────────────────────────────────────────────────── */
.menu-label {
  white-space: nowrap;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════════════════════════════
   TABLET  640px – 1023px
   Sidebar collapses to a 68px icon-only rail. Hovering expands it.
══════════════════════════════════════════════════════════════════════════ */
@media (min-width: 640px) and (max-width: 1023px) {

  .hamburger-btn { display: none; }

  /* Collapsed icon rail */
  .sidebar {
    width: 68px;
    padding: 1.5rem 0.75rem;
    /* safe-area-inset for iPad home indicator */
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    overflow: hidden;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
  }

  /* Expand on hover */
  .sidebar:hover {
    width: 230px;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
  }

  /* Logo: icon only when collapsed */
  .logo-container { gap: 0.5rem; margin-bottom: 2rem; }
  .logo-text { opacity: 0; transition: opacity 0.2s ease; white-space: nowrap; }
  .sidebar:hover .logo-text { opacity: 1; }

  /* Group labels: hidden in rail state, fade in on hover */
  .menu-group-label {
    opacity: 0;
    height: 0;
    padding: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .sidebar:hover .menu-group-label {
    opacity: 0.6;
    height: auto;
    padding: 1rem 0.5rem 0.2rem;
    pointer-events: none;
  }
  .sidebar:hover .menu-group-label[data-group] { pointer-events: auto; }

  /* Menu items: icon centred when collapsed, label fades in on hover */
  .menu-item {
    padding: 0.85rem;
    justify-content: center;
    gap: 0;
    overflow: hidden;
  }
  .sidebar:hover .menu-item {
    justify-content: flex-start;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
  }
  .menu-label { opacity: 0; transition: opacity 0.15s ease; width: 0; }
  .sidebar:hover .menu-label { opacity: 1; width: auto; }

  /* Footer: hide text when collapsed */
  .user-info { opacity: 0; transition: opacity 0.15s ease; width: 0; overflow: hidden; }
  .sidebar:hover .user-info { opacity: 1; width: auto; }
  .btn-logout { justify-content: center; padding: 0.6rem 0; }
  .sidebar:hover .btn-logout { justify-content: center; }
  .btn-logout .menu-label { opacity: 0; width: 0; transition: opacity 0.15s ease; }
  .sidebar:hover .btn-logout .menu-label { opacity: 1; width: auto; }

  /* Theme toggle row */
  .sidebar-footer > div:first-of-type {
    flex-direction: column;
    align-items: center;
  }
  .sidebar:hover .sidebar-footer > div:first-of-type {
    flex-direction: row;
    align-items: center;
  }

  /* Main content — narrower padding */
  .main-content {
    padding: 1.75rem 1.5rem;
  }

  /* Page title */
  .page-title { font-size: 1.6rem; }

  /* Dashboard stats — 2 columns on tablet */
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* Stat value */
  .stat-value { font-size: 1.5rem; }

  /* Chart card */
  #chart-sales-trend-wrap { height: 280px; }

  /* Tables nav — scrollable */
  .tables-nav { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.75rem; }
  .tables-nav-btn { flex-shrink: 0; }

  /* Reduce table cell padding */
  th, td { padding: 0.75rem 0.8rem; font-size: 0.82rem; }

  /* Modals — comfortable inset */
  .modal-container { max-width: 92%; }
  .modal-body { max-height: 75vh; }
}

/* ══════════════════════════════════════════════════════════════════════════
   MOBILE  < 640px
   Sidebar slides in as a full overlay drawer from the left.
══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 639px) {

  /* Show hamburger */
  .hamburger-btn { display: flex; }

  /* Show backdrop */
  .sidebar-backdrop { display: block; pointer-events: none; }
  .sidebar-backdrop.active { pointer-events: auto; }

  /* Sidebar: off-screen drawer */
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    height: 100dvh;
    width: 270px;
    z-index: 200;
    padding: 1.5rem 1.25rem;
    /* Push content above iOS home indicator */
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  /* Removing overflow:hidden from nav-wrapper lets iOS Safari identify
     the inner <nav> as the scroll container (not the wrapper) */
  #sidebar-nav-wrapper {
    overflow: visible;
  }
  .sidebar.sidebar-open {
    left: 0;
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.35);
  }

  /* Show close button inside sidebar */
  .sidebar-close-btn { display: flex; }

  /* Menu label always visible */
  .menu-label { opacity: 1; width: auto; }

  /* Main content: full width, no left margin */
  .main-content {
    padding: 1rem 0.9rem;
    width: 100%;
  }

  /* Topbar */
  .topbar { margin-bottom: 0.75rem; gap: 0.5rem; }
  .page-title { font-size: 1.3rem; }

  /* Card */
  .card { padding: 1rem; border-radius: 12px; }
  /* Suppress hover lift on touch devices */
  .card:hover { transform: none; }

  /* Dashboard stats — 2 columns on mobile */
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .stat-card { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .stat-icon { width: 38px; height: 38px; border-radius: 10px; }
  .stat-value { font-size: 1.35rem; }
  .stat-label { font-size: 0.78rem; }

  /* Chart height — compact on mobile */
  #view-dashboard .card > div[style*="height:360px"],
  #view-dashboard .card > div[style*="height: 360px"] {
    height: 220px !important;
  }

  /* Interval selector in chart card — make it stack */
  #view-dashboard .card > div:first-child {
    flex-direction: column;
    align-items: flex-start;
  }
  #chart-interval-select { width: 100% !important; min-width: unset !important; }

  /* Tables nav — horizontally scrollable, no wrap */
  .tables-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
  }
  .tables-nav::-webkit-scrollbar { display: none; }
  .tables-nav-btn { flex-shrink: 0; font-size: 0.8rem; padding: 0.4rem 0.75rem; }

  /* Table cell padding */
  th { padding: 0.6rem 0.65rem; font-size: 0.72rem; }
  td { padding: 0.6rem 0.65rem; font-size: 0.8rem; }

  /* Filter bar — stack vertically */
  #table-filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }
  #table-filter-bar > div { min-width: unset !important; width: 100%; }
  #table-filter-bar .form-input { width: 100% !important; }

  /* Advances & invoices table card titles */
  #view-advances .card > div:first-child,
  #view-invoices .card > div:first-child {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  #view-advances .card > div:first-child .btn,
  #view-invoices .card > div:first-child .btn { width: 100%; justify-content: center; }

  /* Form modal — full screen on mobile */
  /* Use --modal-vh set by JS (window.innerHeight) — the only reliable
     way to get the true visible height on iOS Safari and Chrome. */
  .modal-overlay {
    height: var(--modal-vh, 100svh);
    align-items: stretch;
  }
  .modal-container {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    display: flex;
    flex-direction: column;
  }
  /* form is the single scroll container — body + footer scroll together
     so the Cancel/Save buttons are always reachable at the bottom */
  .modal-container > form {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .modal-body {
    max-height: none;
    overflow-y: visible;
  }

  /* Form grid — force single column inside modals */
  #form-modal-fields .form-group[style*="grid-template-columns"],
  #form-modal-fields .form-group[style*="grid"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
  }

  /* Invoice modal — modal-body must scroll (no <form> wrapper like record modal) */
  #invoice-modal .modal-container {
    border-radius: 0;
  }
  #invoice-modal .modal-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  #invoice-modal .modal-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .invoice-print-container > div:first-child,
  .invoice-print-container div[style*="grid-template-columns"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
  }

  /* Reports console */
  #reports-diagnostic-console { font-size: 0.78rem; max-height: 300px; }

  /* Button group in reports */
  #view-reports .card > div:last-child {
    flex-direction: column;
  }
  #view-reports .card > div:last-child .btn { width: 100%; justify-content: center; }

  /* Toast — full width at bottom */
  .toast {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 1rem;
    min-width: unset;
    max-width: unset;
    font-size: 0.85rem;
  }

  /* Auth card — full width, no float */
  .auth-card { max-width: 100%; margin: 0 1rem; padding: 1.75rem 1.25rem; }
  #auth-container { align-items: flex-start; padding-top: 2rem; }

  /* Supabase setup details — full width */
  #supabase-panel .gs-help-details { font-size: 0.78rem; }
}

/* ── SMALL PHONES  < 400px — extra tight ──────────────────────────────── */
@media (max-width: 399px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .stat-card { flex-direction: row; align-items: center; justify-content: space-between; }
  .page-title { font-size: 1.15rem; }
  .card { padding: 0.85rem; }
}

/* ── DESKTOP — keep hover lift only on non-touch ─────────────────────── */
@media (hover: none) {
  .card:hover { transform: none; }
  .btn-primary:hover { transform: none; }
  .btn-supabase:hover { transform: none; }
}

/* ── CUSTOMER QUICK-ADD (inline dropdown form) ───────────────────────────── */
.searchable-dropdown-add {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  border-top: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}
.searchable-dropdown-add:hover {
  background: var(--primary-glow);
}
.searchable-dropdown-add svg {
  flex-shrink: 0;
  color: var(--primary);
}

.quick-add-form {
  padding: 0.85rem 1rem 1rem;
}
.quick-add-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--primary);
  margin-bottom: 0.85rem;
}
.quick-add-field {
  margin-bottom: 0.65rem;
}
.quick-add-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 0.3rem;
}
.quick-add-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

/* ── SMALL BUTTON ────────────────────────────────────────────────────────── */
.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  border-radius: 7px;
}

/* ── INVOICE CUSTOMER CARD — action buttons ──────────────────────────────── */
.invoice-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE FIXES — filter bars, modals, topbar, invoice cards
══════════════════════════════════════════════════════════════════════════ */

/* ── Topbar — prevent title squish on all widths ────────────────────────── */
.topbar > div:first-child {
  min-width: 0;
  flex: 1;
}
.topbar-actions {
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ── Filter bars — shared responsive base ───────────────────────────────── */
#sales-filter-bar,
#advances-filter-bar,
#invoices-filter-bar,
#table-filter-bar,
#activity-filter-bar {
  flex-wrap: wrap;
}
/* Child divs inside filter bars — don't overflow */
#sales-filter-bar > div,
#advances-filter-bar > div,
#invoices-filter-bar > div,
#table-filter-bar > div,
#activity-filter-bar > div {
  min-width: 0;
}

@media (max-width: 639px) {
  /* Topbar — allow wrapping so long titles never squish buttons */
  .topbar { flex-wrap: wrap; gap: 0.5rem; }
  .topbar > div:first-child { flex: 1; min-width: 0; }
  .topbar-actions { width: 100%; justify-content: flex-end; }

  /* Filter bars — stack each control vertically, full width
     Use !important to beat inline flex-direction / align-items / gap */
  #sales-filter-bar,
  #advances-filter-bar,
  #invoices-filter-bar,
  #table-filter-bar,
  #activity-filter-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.6rem !important;
  }
  #sales-filter-bar > *,
  #advances-filter-bar > *,
  #invoices-filter-bar > *,
  #table-filter-bar > *,
  #activity-filter-bar > * {
    width: 100% !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
  }
  #sales-filter-bar .form-input,
  #advances-filter-bar .form-input,
  #invoices-filter-bar .form-input,
  #table-filter-bar .form-input,
  #activity-filter-bar .form-input {
    width: 100% !important;
    min-width: 0 !important;
  }
  /* Date from/to pair — keep them side-by-side within their wrapper */
  #sales-filter-bar > div:has(input[type="date"]),
  #advances-filter-bar > div:has(input[type="date"]),
  #invoices-filter-bar > div:has(input[type="date"]),
  #table-filter-bar > div:has(input[type="date"]) {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 0.4rem !important;
  }

  /* Payment modal — 3-col grid collapses to single column */
  #payment-modal-body > div[style*="grid"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
  }

  /* Sales totals bar — stack the stat spans */
  #sales-totals-bar {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.35rem !important;
  }
  #sales-totals-bar > span[style*="margin-left"] {
    margin-left: 0 !important;
    flex-wrap: wrap;
    gap: 0.5rem !important;
  }

  /* QR image — scale to screen on narrow phones */
  #view-qrpayment img {
    width: min(220px, 78vw) !important;
    height: min(220px, 78vw) !important;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  /* Invoice customer card — keep horizontal but allow wrapping */
  .invoice-customer-card { flex-wrap: wrap; gap: 0.5rem; }

  /* Filter bar children — allow shrinking on tablet */
  #sales-filter-bar > div,
  #advances-filter-bar > div,
  #invoices-filter-bar > div {
    min-width: 130px;
  }

  /* Payment modal 3-col → 2-col on tablet */
  #payment-modal-body > div[style*="grid-template-columns:1fr 1fr 1fr"],
  #payment-modal-body > div[style*="grid-template-columns: 1fr 1fr 1fr"] {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* ── PIN AUTH SCREENS ──────────────────────────────────────────────────────── */
#pin-picker,
#pin-entry,
#pin-setup {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  z-index: 100;
}

.pin-screen-card {
  width: 100%;
  max-width: 380px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem;
}

.pin-user-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  margin-bottom: 0.5rem;
}
.pin-user-card:hover { background: var(--card-hover-bg); border-color: var(--hover-border); }

.pin-card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(99,102,241,0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pin-card-info { display: flex; flex-direction: column; gap: 0.1rem; }
.pin-card-name { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.pin-card-role { font-size: 0.78rem; color: var(--text-muted); }

.pin-entry-avatar {
  width: 56px;
  height: 56px;
  font-size: 1.4rem;
  margin-top: 0.5rem;
}
.pin-entry-name { font-weight: 700; font-size: 1.05rem; color: var(--text-primary); margin: 0; }
.pin-entry-role { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

.pin-dots {
  display: flex;
  gap: 1rem;
  margin: 0.75rem 0;
}
.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: transparent;
  transition: background 0.1s, border-color 0.1s;
}
.pin-dot.filled {
  background: var(--primary);
  border-color: var(--primary);
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  width: 100%;
  max-width: 280px;
}
.pin-key {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}
.pin-key:hover { background: var(--card-hover-bg); }
.pin-key:active { background: rgba(99,102,241,0.15); }
.pin-key-empty { visibility: hidden; border: none; cursor: default; }
.pin-key-del { font-size: 1rem; }

.pin-back-btn {
  align-self: flex-start;
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.25rem 0;
}
.pin-back-btn:hover { color: var(--text-primary); }

.pin-text-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: underline;
  margin-top: 0.25rem;
}
.pin-text-btn:hover { opacity: 0.8; }