/* ==========================================================================
   Ultra-Modern Clean SaaS Design System for Market & Water Vending System
   Designed for Maximum Clarity, Aesthetics & Delightful User Experience
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@500;600;700&display=swap');

:root {
  --font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Plus Jakarta Sans', monospace;
  
  /* Primary Theme (Clean Corporate Light Mode) */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Business Palette */
  --primary: #059669; /* Emerald Green (Income/Profit) */
  --primary-hover: #047857;
  --primary-light: #ecfdf5;
  --primary-border: #a7f3d0;
  
  --secondary: #0284c7; /* Sky/Ocean Blue */
  --secondary-hover: #0369a1;
  --secondary-light: #f0f9ff;
  --secondary-border: #bae6fd;
  
  --accent-water: #0891b2; /* Deep Cyan (Water Vending) */
  --accent-water-hover: #0e7490;
  --accent-water-light: #ecfeff;
  --accent-water-border: #a5f3fc;
  
  --warning: #d97706; /* Warm Amber */
  --warning-hover: #b45309;
  --warning-light: #fffbeb;
  --warning-border: #fde68a;
  
  --danger: #dc2626; /* Crimson Red (Expenses/Deductions) */
  --danger-hover: #b91c1c;
  --danger-light: #fef2f2;
  --danger-border: #fecaca;

  --purple: #7c3aed;
  --purple-light: #f5f3ff;
  --purple-border: #ddd6fe;

  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 14px 28px -4px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 22px 38px -6px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

/* Sleek Charcoal Dark Mode (Clean & Refined) */
[data-theme="dark"] {
  --bg-main: #090d16;
  --bg-card: #111827;
  --bg-card-hover: #1e293b;
  --border-color: #1f293d;
  --border-subtle: #172133;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --primary-light: rgba(5, 150, 105, 0.16);
  --primary-border: rgba(5, 150, 105, 0.35);
  
  --secondary-light: rgba(2, 132, 199, 0.16);
  --secondary-border: rgba(2, 132, 199, 0.35);
  
  --accent-water-light: rgba(8, 145, 178, 0.16);
  --accent-water-border: rgba(8, 145, 178, 0.35);
  
  --warning-light: rgba(217, 119, 6, 0.16);
  --warning-border: rgba(217, 119, 6, 0.35);
  
  --danger-light: rgba(220, 38, 38, 0.16);
  --danger-border: rgba(220, 38, 38, 0.35);
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.65);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.25s ease, color 0.25s ease;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(10px);
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.94);
}

[data-theme="dark"] .app-header {
  background: rgba(17, 24, 39, 0.94);
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: 0 3px 8px rgba(2, 132, 199, 0.3);
  transition: transform 0.2s ease;
}

.brand-icon:hover {
  transform: scale(1.05);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.role-badge {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: var(--shadow-xs);
}

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-xs);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

/* ==========================================================================
   Main Container & Sidebar
   ========================================================================== */
.app-container {
  display: flex;
  flex: 1;
  max-width: 1560px;
  margin: 0 auto;
  width: 100%;
  padding: 1.5rem;
  gap: 1.5rem;
}

.sidebar {
  width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: var(--shadow-sm);
  height: fit-content;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
  transform: translateX(3px);
}

.nav-item.active {
  background: var(--secondary-light);
  color: var(--secondary);
  font-weight: 600;
  border-color: var(--secondary-border);
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.12);
}

.nav-item i {
  font-size: 1.05rem;
  width: 22px;
  text-align: center;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.tab-panel {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  animation: fadeIn 0.22s ease-out;
}

.tab-panel.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Cards & Surface Elevations
   ========================================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .card:hover {
  border-color: #2e3e5b;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.card-title i {
  color: var(--secondary);
}

/* ==========================================================================
   KPI Summary Stat Cards (World-Class Modern UI)
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.15rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

[data-theme="dark"] .kpi-card:hover {
  border-color: #334155;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--secondary);
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.kpi-card:hover .kpi-icon {
  transform: scale(1.08);
}

.icon-income {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.25));
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.icon-expense {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.25));
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.icon-profit {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.15), rgba(3, 105, 161, 0.25));
  color: var(--secondary);
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.icon-water {
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.15), rgba(14, 116, 144, 0.25));
  color: var(--accent-water);
  border: 1px solid rgba(8, 145, 178, 0.3);
}

.kpi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.kpi-value {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  font-family: 'Prompt', sans-serif;
}

.text-success { color: #059669 !important; }
.text-danger { color: #dc2626 !important; }
.text-primary { color: #0284c7 !important; }
.text-cyan { color: #0891b2 !important; }

/* ==========================================================================
   Time Filter Bar
   ========================================================================== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow-xs);
}

.btn-group {
  display: inline-flex;
  gap: 0.35rem;
  background: var(--bg-main);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
}

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

.filter-btn.active {
  background: var(--bg-card);
  color: var(--secondary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Forms & Input Controls
   ========================================================================== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
}

.form-control {
  background: var(--bg-card);
  border: 1px solid #cbd5e1;
  color: var(--text-main);
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

[data-theme="dark"] .form-control {
  background: #0f172a;
  border-color: #334155;
}

.form-control:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
}

.form-control[readonly] {
  background: var(--bg-main);
  color: var(--text-muted);
  font-weight: 600;
  border-style: dashed;
}

/* Notice Box / Verification Alert */
.notice-box {
  background: var(--warning-light);
  border: 1px solid var(--warning-border);
  color: #92400e;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  border-left: 4px solid var(--warning);
}

[data-theme="dark"] .notice-box {
  color: #fde68a;
}

.notice-box.success {
  background: var(--primary-light);
  border-color: var(--primary-border);
  color: #065f46;
  border-left-color: var(--primary);
}

[data-theme="dark"] .notice-box.success {
  color: #6ee7b7;
}

.notice-box.danger {
  background: var(--danger-light);
  border-color: var(--danger-border);
  color: #991b1b;
  border-left-color: var(--danger);
}

[data-theme="dark"] .notice-box.danger {
  color: #fca5a5;
}

/* ==========================================================================
   Buttons (Polished, Tactile & Elevated)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: white;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #075985);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #475569;
  color: white;
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: #334155;
  transform: translateY(-1px);
}

.btn-cyan {
  background: linear-gradient(135deg, #0891b2, #0e7490);
  color: white;
  box-shadow: 0 2px 6px rgba(8, 145, 178, 0.25);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, #0e7490, #155e75);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  box-shadow: var(--shadow-xs);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: #cbd5e1;
  color: var(--text-main);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.25);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   Data Tables
   ========================================================================== */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-xs);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--bg-main);
  padding: 0.85rem 1.15rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.data-table td {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--bg-card-hover);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
}

.badge-success { background: var(--primary-light); color: var(--primary); border: 1px solid var(--primary-border); }
.badge-warning { background: var(--warning-light); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-danger { background: var(--danger-light); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-blue { background: var(--secondary-light); color: var(--secondary); border: 1px solid var(--secondary-border); }
.badge-cyan { background: var(--accent-water-light); color: var(--accent-water); border: 1px solid var(--accent-water-border); }

/* ==========================================================================
   Interactive Grid Map (Stalls & Water Machines)
   ========================================================================== */
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.stall-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--secondary);
}

.stall-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.stall-card.occupied {
  border-left-color: var(--secondary);
}

.stall-card.vacant {
  border-left-color: #10b981;
}

.stall-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.stall-id {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-main);
  font-family: 'Prompt', sans-serif;
}

/* ==========================================================================
   Receipt & Printable Invoices
   ========================================================================== */
.receipt-container {
  display: flex;
  justify-content: center;
  padding: 1rem 0;
}

.receipt-paper {
  background: #ffffff;
  color: #0f172a;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  max-width: 650px;
  width: 100%;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  font-family: 'Prompt', sans-serif;
}

@media print {
  body * {
    visibility: hidden;
  }
  .receipt-container, .receipt-container *, .receipt-paper, .receipt-paper * {
    visibility: visible;
  }
  .receipt-paper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    max-width: 100%;
    box-shadow: none;
    border: none;
    padding: 1.5rem;
  }
}

/* ==========================================================================
   Modal Dialogs
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: modalFadeIn 0.2s ease-out;
}

.modal-overlay.active {
  display: flex;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
  box-shadow: var(--shadow-xl);
  animation: modalSlideUp 0.22s ease-out;
}

@keyframes modalSlideUp {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.85rem;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem;
  transition: color 0.15s ease;
}

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

/* ==========================================================================
   Security PIN Lock Screen (100% Fixed & Beautiful)
   ========================================================================== */
.pin-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pin-lock-overlay.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pin-lock-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.pin-lock-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.15), rgba(6, 182, 212, 0.25));
  color: #0284c7;
  border: 1px solid rgba(2, 132, 199, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.pin-lock-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.pin-lock-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pin-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.15rem;
  margin-bottom: 1.5rem;
  height: 30px;
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #94a3b8;
  background: transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.pin-dot.filled {
  background: #0284c7;
  border-color: #0284c7;
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
}

.pin-error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.pin-key {
  height: 54px;
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  user-select: none;
  box-shadow: var(--shadow-xs);
}

.pin-key:hover {
  background: var(--bg-card-hover);
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.pin-key:active {
  transform: scale(0.94);
}

.pin-key.action {
  font-size: 1.15rem;
  background: var(--bg-main);
  color: var(--text-muted);
}

.pin-key.action.submit {
  background: linear-gradient(135deg, #0284c7, #0369a1) !important;
  color: #ffffff !important;
  border-color: #0284c7 !important;
}

.pin-key.action.submit:hover {
  background: linear-gradient(135deg, #0369a1, #075985) !important;
}

/* ==========================================================================
   AI OCR Scanner Styles
   ========================================================================== */
@keyframes scanAnim {
  0% { top: 4%; }
  50% { top: 94%; }
  100% { top: 4%; }
}

/* Responsive Rules */
@media (max-width: 950px) {
  .app-container {
    flex-direction: column;
    padding: 1rem;
  }
  .sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 0.5rem;
    gap: 0.4rem;
  }
  .nav-item {
    white-space: nowrap;
    padding: 0.65rem 0.95rem;
  }
  .app-header {
    padding: 0.85rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

@media (max-width: 640px) {
  .header-controls {
    width: 100%;
    justify-content: flex-start;
  }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-group {
    overflow-x: auto;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}