/* === RESET & BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: #374151;
  background-color: #f9fafb;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === DESIGN TOKENS === */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-secondary: #64748b;
  --color-success: #059669;
  --color-danger: #dc2626;
  --color-warning: #d97706;
  --color-info: #0891b2;
  
  /* Grays */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-text: var(--color-gray-700);
  --color-text-light: var(--color-gray-500);
  --color-background: var(--color-gray-50);
  --color-surface: #ffffff;
  --color-border: var(--color-gray-200);
  --color-border-light: var(--color-gray-100);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
}

/* === UTILITY CLASSES === */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-gray-200);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-gray-700);
  border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-gray-50);
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
}

/* === FORMS === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background-color: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:read-only {
  background-color: var(--color-gray-50);
  color: var(--color-gray-500);
}

.form-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  justify-content: flex-end;
}

/* === LOGIN PAGE === */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-100);
  padding: var(--space-4);
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.login-header p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-demo {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background-color: var(--color-gray-50);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  text-align: center;
}

/* === APP LAYOUT === */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-brand h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.mobile-menu-btn:hover {
  background-color: var(--color-gray-100);
}

.nav-center {
  text-align: center;
}

.nav-datetime {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-gray-50);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.nav-info {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.nav-user {
  color: var(--color-text);
  font-weight: 500;
}

.app-body {
  display: flex;
  flex: 1;
  height: calc(100vh - 80px);
}

/* === SIDEBAR === */
.sidebar {
  width: 240px;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  flex-shrink: 0;
  position: fixed;
  top: 80px;
  left: 0;
  height: calc(100vh - 80px);
  overflow-y: auto;
  z-index: 50;
  transition: transform var(--transition-normal);
}

.nav-menu {
  list-style: none;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-right: 3px solid transparent;
}

.nav-item:hover {
  background-color: var(--color-gray-50);
}

.nav-item.active {
  background-color: var(--color-primary);
  color: white;
  border-right-color: var(--color-primary-dark);
}

.nav-icon {
  margin-right: var(--space-3);
  font-size: var(--font-size-base);
}

.nav-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* === MAIN CONTENT === */
.main-content {
  flex: 1;
  padding: var(--space-6);
  background-color: var(--color-background);
  min-height: calc(100vh - 80px);
  overflow-y: auto;
  margin-left: 240px;
  transition: margin-left var(--transition-normal);
}

.page {
  display: none;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.page-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.dashboard-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  background: var(--color-primary-dark);
  color: white;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* === SECTIONS === */
.section {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.section-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

/* === METRIC CARDS === */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.metric-card {
  background-color: var(--color-surface);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: 500;
}

.metric-icon {
  font-size: 1.75rem;
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.metric-value.profit {
  color: var(--color-success);
}

.metric-value.loss {
  color: var(--color-danger);
}

/* === STOCK CARDS === */
.stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.stock-card {
  background-color: var(--color-surface);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.stock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.stock-header h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.stock-status {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--color-success);
  color: white;
}

.stock-status.low {
  background-color: var(--color-danger);
}

.stock-status.medium {
  background-color: var(--color-warning);
}

.stock-level {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.stock-amount {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.stock-capacity {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--color-success);
  border-radius: var(--radius-sm);
  transition: width 0.5s ease-in-out;
}

.progress-fill.low {
  background-color: var(--color-danger);
}

.progress-fill.medium {
  background-color: var(--color-warning);
}

/* === STOCK DETAIL CARDS === */
.stock-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.stock-detail-card {
  background-color: var(--color-surface);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.stock-detail-card h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.stock-info {
  color: var(--color-text-light);
}

/* === CHARTS === */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.chart-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.chart-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.chart-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.chart-container {
  padding: var(--space-4);
}

/* === FORMS === */
.form-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.form-section {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.form-section:last-child {
  border-bottom: none;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
}

/* === SUMMARY SECTION === */
.summary-section {
  background-color: var(--color-gray-50);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
}

.summary-item {
  text-align: center;
  padding: var(--space-4);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
}

.summary-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.summary-value.profit {
  color: var(--color-success);
}

.summary-value.loss {
  color: var(--color-danger);
}

/* === TABLES === */
.table-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
}

th {
  background-color: var(--color-gray-50);
  font-weight: 600;
  color: var(--color-text);
}

tbody tr:hover {
  background-color: var(--color-gray-50);
}

.no-data {
  text-align: center;
  color: var(--color-text-light);
  font-style: italic;
  padding: var(--space-8) var(--space-4);
}

/* === REPORTS === */
.report-controls {
  background-color: var(--color-surface);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: end;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.report-content {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  min-height: 400px;
}

/* === SETTINGS === */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.settings-card {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.settings-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
}

.settings-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.settings-item:last-child {
  border-bottom: none;
}

.settings-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.settings-value {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.settings-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* === INFO BOX === */
.info-box {
  background-color: var(--color-info);
  color: white;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
}

/* === ERROR MESSAGES === */
.error-message {
  background-color: var(--color-danger);
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
}

/* === LOADING & MODALS === */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-300);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-overlay p {
  margin-top: var(--space-4);
  color: white;
  font-weight: 500;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.modal-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* === PRINT OPTIMIZATION === */
@media print {
    body { 
        margin: 0; 
        font-size: 12px;
        line-height: 1.3;
    }
    
    .page-header,
    .btn,
    button {
        display: none !important;
    }
    
    .report-content {
        padding: 10px !important;
        margin: 0 !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    table {
        page-break-inside: avoid;
    }
    
    h3, h4 {
        margin: 8px 0 4px 0 !important;
        font-size: 14px !important;
    }
    
    .expense-section {
        page-break-inside: avoid;
        margin-bottom: 8px !important;
    }
    
    div[style*="grid-template-columns"] {
        gap: 8px !important;
    }
    
    div[style*="font-size: 16px"] {
        font-size: 13px !important;
    }
    
    div[style*="font-size: 18px"] {
        font-size: 14px !important;
    }
    
    @page {
        margin: 0.5in;
        size: A4;
    }
}

/* === MOBILE RESPONSIVENESS === */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .chart-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-nav {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    text-align: center;
    height: auto;
    padding: var(--space-3) var(--space-4);
  }
  
  .nav-brand {
    justify-content: space-between;
    width: 100%;
  }
  
  .nav-center {
    display: none; /* Hide datetime on mobile */
  }
  
  .nav-info {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .nav-user {
    font-size: var(--font-size-xs);
  }
  
  .app-body {
    height: calc(100vh - 120px);
  }
  
  .sidebar {
    top: 120px;
    height: calc(100vh - 120px);
  }
  
  .main-content {
    padding: var(--space-4);
    min-height: calc(100vh - 120px);
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .stock-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .summary-grid {
    grid-template-columns: 1fr;
  }
  
  .settings-grid {
    grid-template-columns: 1fr;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .report-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .settings-actions {
    flex-direction: column;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  .chart-container canvas {
    max-height: 300px !important;
  }
  
  .modal-content {
    width: 95%;
    padding: var(--space-4);
  }
  
  .form-actions {
    justify-content: stretch;
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .nav-brand h1 {
    font-size: var(--font-size-lg);
  }
  
  .page-header h2 {
    font-size: var(--font-size-xl);
  }
  
  .metric-card {
    padding: var(--space-4);
  }
  
  .metric-value {
    font-size: var(--font-size-xl);
  }
  
  .section {
    padding: var(--space-4);
  }
  
  .login-container {
    padding: var(--space-6);
  }
  
  .stock-detail-card {
    padding: var(--space-4);
  }
  
  th, td {
    padding: var(--space-2);
    font-size: var(--font-size-xs);
  }
  
  .chart-container {
    padding: var(--space-2);
  }
  
  .chart-container canvas {
    max-height: 250px !important;
  }
}

/* === TABLET RESPONSIVENESS === */
@media (min-width: 768px) and (max-width: 1024px) {
  .nav-datetime {
    display: none; /* Hide datetime on tablets too */
  }
  
  .top-nav {
    grid-template-columns: 1fr 1fr;
  }
  
  .nav-center {
    display: none;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .chart-grid {
    grid-template-columns: 1fr;
  }
  
  .stock-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .settings-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === PROFIT/LOSS INDICATORS === */
.profit {
  color: var(--color-success) !important;
}

.loss {
  color: var(--color-danger) !important;
}

/* === MOBILE SIDEBAR OVERLAY === */
@media (max-width: 1024px) {
  .sidebar.mobile-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 240px;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }
}

/* Tank Configuration Styles */
.tank-config-section {
    margin-bottom: var(--space-6);
    padding: var(--space-5);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.tank-config-section h4 {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-light);
}

.chart-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
    justify-content: flex-start;
}

/* Depth & Density Page Styles */
.chart-display-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

.chart-display-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.chart-display-card h4 {
    margin: 0 0 var(--space-3) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.chart-info {
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.depth-form {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    margin-bottom: var(--space-4);
}

.volume-result {
    margin-top: var(--space-4);
}

.result-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.result-card h4 {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-light);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.result-value {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 600;
}

.volume-highlight {
    color: var(--color-primary) !important;
    font-size: var(--font-size-base) !important;
    font-weight: 700 !important;
}

@media (max-width: 768px) {
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-actions {
        flex-direction: column;
    }
    
    .chart-display-grid {
        grid-template-columns: 1fr;
    }
}

/* Updated Settings Layout */
.settings-top-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.settings-bottom-row {
    width: 100%;
}

.tank-config-card {
    background-color: var(--color-surface);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.tank-config-card h3 {
    margin: 0 0 var(--space-5) 0;
    color: var(--color-text);
    font-size: var(--font-size-xl);
    font-weight: 600;
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-light);
}

.tank-config-horizontal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-6);
}

.tank-section {
    background-color: var(--color-gray-50);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.tank-section h4 {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-align: center;
}

.tank-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.tank-form-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

/* Updated Result Table Styles */
.result-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.result-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

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

.result-table .result-label {
    background-color: var(--color-gray-50);
    font-weight: 500;
    color: var(--color-text-light);
    width: 40%;
    font-size: var(--font-size-sm);
}

.result-table .result-value {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.result-table .highlight-row {
    background-color: var(--color-primary);
    color: white;
}

.result-table .highlight-row .result-label,
.result-table .highlight-row .result-value {
    color: var(--color-primary);
    font-size: var(--font-size-base) !important;
    font-weight: 700;
}

.volume-highlight {
    color: white !important;
    font-size: var(--font-size-base) !important;
    font-weight: 700 !important;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .settings-top-row {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .tank-config-horizontal {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

@media (max-width: 768px) {
    .tank-inputs {
        gap: var(--space-2);
    }
    
    .tank-section {
        padding: var(--space-3);
    }
    
    .tank-config-card {
        padding: var(--space-4);
    }
    
    .chart-actions {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .result-table .result-label {
        width: 50%;
    }
}

@media (max-width: 480px) {
    .settings-top-row {
        gap: var(--space-2);
    }
    
    .tank-config-horizontal {
        gap: var(--space-3);
    }
    
    .result-table td {
        padding: var(--space-2);
        font-size: var(--font-size-xs);
    }
}

/* Additional CSS for Enhanced Stock Display */
.stock-info-display {
    margin-top: var(--space-2);
    padding: var(--space-2);
    background-color: #f0f9ff;
    border: 1px solid #0ea5e9;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.stock-addition-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.addition-label {
    color: #0369a1;
    font-weight: 500;
}

.addition-value {
    color: #059669;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.stock-breakdown {
    margin-top: var(--space-2);
    padding: var(--space-3);
    background-color: #f9fafb;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.stock-breakdown-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--space-1);
}

.stock-calculation-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-1) 0;
    font-size: var(--font-size-xs);
}

.stock-calculation-item.total {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-1);
    padding-top: var(--space-2);
    font-weight: 600;
}

.calculation-label {
    color: var(--color-text-light);
}

.calculation-value {
    color: var(--color-text);
    font-weight: 500;
}

.calculation-value.positive {
    color: var(--color-success);
}

.calculation-value.negative {
    color: var(--color-danger);
}

/* Enhanced form help text for stock fields */
.form-group .form-help.enhanced {
    background-color: #fffbeb;
    border: 1px solid #fbbf24;
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: #d97706;
}

/* Warning styles for stock discrepancies */
.stock-warning {
    background-color: #fef2f2;
    border: 1px solid #f87171;
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    margin-top: var(--space-2);
    font-size: var(--font-size-xs);
    color: #dc2626;
}

.stock-warning .warning-icon {
    display: inline-block;
    margin-right: var(--space-1);
    font-weight: 700;
}

@media (max-width: 768px) {
    .stock-addition-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .stock-calculation-item {
        font-size: var(--font-size-xs);
    }
}

/* Enhanced Modal Styles - Add to your existing CSS */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal:not(.hidden) {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  max-width: 375px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal:not(.hidden) .modal-content {
  transform: scale(1);
}

.modal-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  text-align: center;
}

.modal-content p {
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-align: center;
  line-height: 1.5;
}

/* Modal Actions with better spacing */
.modal-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;

}

.modal-actions .btn {
  min-width: 100px;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.15s ease;
}

/* Confirmation Modal Button Layout */
#confirmModal .modal-actions {
  justify-content: space-between;
}

#confirmModal #confirmOkBtn {
  background-color: #ef4444;
  border-color: #ef4444;
  color: white;
}

#confirmModal #confirmOkBtn:hover {
  background-color: #dc2626;
  border-color: #dc2626;
}

/* Alert Types */
.modal-content.success h3 {
  color: var(--color-success);
  display: none;
}

.modal-content.error h3 {
  color: var(--color-danger);
  display: none;
}

.modal-content.warning h3 {
  color: var(--color-warning);
  display: none;
}

.modal-content.info h3 {
  color: var(--color-info);
  display: none;
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .modal-content {
    width: 95%;
    padding: var(--space-4);
  }
  
  .modal-actions {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .modal-actions .btn {
    width: 100%;
    min-width: unset;
  }
}

/* Add this CSS to your style.css file to prevent the initial flash */

/* Hide both login and admin panels initially until JavaScript determines which to show */
.login-page,
.app-layout {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Show pages when they have the 'loaded' class */
.login-page.loaded,
.app-layout.loaded {
    opacity: 1;
    visibility: visible;
}

/* Ensure loading overlay is visible initially */
.loading-overlay {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Add this CSS to your style.css file */

/* Login Page Logo Styles */
.login-logo {
    text-align: center;
    margin-bottom: var(--space-6);
}

.brand-logo {
    max-width: 175px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: var(--space-4) 0 var(--space-2) 0;
}

.login-header p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Updated Sidebar Styles with Footer */
.sidebar {
    width: 240px;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: var(--space-4) 0 0 0; /* Remove bottom padding */
    flex-shrink: 0;
    position: fixed;
    top: 80px;
    left: 0;
    height: calc(100vh - 80px);
    overflow-y: auto;
    z-index: 50;
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.nav-menu {
    list-style: none;
    flex: 1; /* Takes up remaining space */
    padding: 0;
    margin: 0;
}

/* Sidebar Footer Styles */
.sidebar-footer {
    margin-top: auto; /* Push to bottom */
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-gray-50);
}

.sidebar-logo {
    text-align: center;
    margin-bottom: var(--space-3);
}

.sidebar-brand-logo {
    max-width: 120px;
    height: auto;
    max-height: 40px;
    object-fit: contain;
    opacity: 0.8;
}

.copyright-info {
    text-align: center;
}

.copyright-info p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    line-height: 1.4;
}

.copyright-info p:first-child {
    margin-bottom: var(--space-1);
    font-weight: 500;
}

.dreamz-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.dreamz-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Mobile Responsiveness for Logo and Footer */
@media (max-width: 1024px) {
    .sidebar-footer {
        padding: var(--space-3) var(--space-4);
    }
    
    .sidebar-brand-logo {
        max-width: 100px;
        max-height: 35px;
    }
}

@media (max-width: 768px) {
    .brand-logo {
        max-width: 150px;
        max-height: 60px;
    }
    
    .sidebar-footer {
        padding: var(--space-2) var(--space-3);
    }
    
    .sidebar-brand-logo {
        max-width: 80px;
        max-height: 30px;
    }
    
    .copyright-info p {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .brand-logo {
        max-width: 120px;
        max-height: 50px;
    }
    
    .login-header h1 {
        font-size: var(--font-size-xl);
    }
}

.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

/* Add these styles to your existing style.css file */

/* Info Section Styles */
.info-content {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.info-card {
    background-color: var(--color-surface);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.info-card:hover {
    transform: translateY(-2px);
}

.info-card h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-1);
    border-bottom: 1px solid var(--color-border-light);
}

.info-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
    margin: 0;
}

.info-card ul,
.info-card ol {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
    margin: 0;
    padding-left: var(--space-4);
}

.info-card li {
    margin-bottom: var(--space-1);
}

.info-card li strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Enhanced Result Table for Density */
.density-result .result-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid var(--color-primary);
}

.density-result .result-card h4 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

/* Density Input Validation Styles */
.form-group input.invalid {
    border-color: var(--color-danger);
    background-color: #fef2f2;
}

.form-group input.valid {
    border-color: var(--color-success);
    background-color: #f0fdf4;
}

.form-help.error {
    color: var(--color-danger);
    font-weight: 500;
}

/* Enhanced Section Headers */
.section-header h3 {
    position: relative;
    padding-left: var(--space-4);
}

.section-header h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 2px;
}

/* Calculation Result Status Indicators */
.result-value.positive {
    color: var(--color-success);
    font-weight: 600;
}

.result-value.negative {
    color: var(--color-danger);
    font-weight: 600;
}

.result-value.neutral {
    color: var(--color-text-light);
}

/* Quick Action Buttons for Results */
.result-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-light);
    justify-content: center;
}

.result-actions .btn {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-3);
}

/* Temperature and Density Range Indicators */
.input-range-indicator {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.range-min {
    color: var(--color-info);
}

.range-max {
    color: var(--color-warning);
}

/* Enhanced Form Layout for Density Calculation */
.density-form .form-grid {
    background-color: var(--color-surface);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

/* Responsive Design for Info Cards */
@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .info-card {
        padding: var(--space-3);
    }
    
    .info-content {
        padding: var(--space-3);
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .info-card h4 {
        font-size: var(--font-size-sm);
    }
    
    .info-card p,
    .info-card ul,
    .info-card ol {
        font-size: var(--font-size-xs);
    }
    
    .section-header h3 {
        padding-left: var(--space-3);
    }
    
    .section-header h3::before {
        width: 3px;
        height: 20px;
    }
}

/* Print Styles for Density Reports */
@media print {
    .info-section,
    .chart-display-grid {
        display: none;
    }
    
    .result-card {
        border: 1px solid #000;
        margin-bottom: 20px;
    }
    
    .result-table {
        width: 100%;
        border-collapse: collapse;
    }
    
    .result-table td {
        border: 1px solid #000;
        padding: 8px;
    }
    
    .highlight-row {
        background-color: #f0f0f0 !important;
    }
}

/* Add this to your existing style.css file */

/* Variance Analysis Styles */
.variance-analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.variance-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.variance-card h4 {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-light);
}

.variance-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.variance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
}

.variance-item.variance-total {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-top: var(--space-2);
    font-weight: 600;
}

.variance-item.variance-value-item {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.variance-label {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.variance-value {
    color: var(--color-text);
    font-weight: 500;
}

.variance-value.positive {
    color: var(--color-success);
}

.variance-value.negative {
    color: var(--color-danger);
}

/* Sample Testing Input Styling */
.form-group input[name*="sample"] {
    background-color: #fff8dc;
    border-color: #daa520;
}

.form-group input[name*="sample"]:focus {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}

/* Dip Reading Input Styling */
.form-group input[name*="dip_reading"] {
    background-color: #f0f8ff;
    border-color: #4682b4;
    font-weight: 600;
}

.form-group input[name*="dip_reading"]:focus {
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

/* Net Sold Display Styling */
.form-group input[id*="NetSold"] {
    background-color: #f0fdf4;
    border-color: var(--color-success);
    color: var(--color-success);
    font-weight: 600;
}

/* Responsive Design for Variance Section */
@media (max-width: 768px) {
    .variance-analysis-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .variance-card {
        padding: var(--space-3);
    }
    
    .variance-item {
        padding: var(--space-1) 0;
        font-size: var(--font-size-sm);
    }
}

/* Summary Section Enhancement for Variance */
.summary-section .variance-impact {
    background-color: var(--color-gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
    border-left: 4px solid var(--color-info);
}

.variance-impact h4 {
    margin: 0 0 var(--space-3) 0;
    color: var(--color-info);
    font-size: var(--font-size-base);
}

.variance-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-3);
}

.variance-summary-item {
    text-align: center;
    padding: var(--space-2);
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

.variance-summary-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-bottom: var(--space-1);
}

.variance-summary-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.variance-summary-value.positive {
    color: var(--color-success);
}

.variance-summary-value.negative {
    color: var(--color-danger);
}

/* Add these styles to your existing CSS */

/* Depth Input Styling */
.form-group input[name*="dip_depth"] {
    background-color: #fff8e1;
    border: 2px solid #ff9800;
    color: #e65100;
    font-weight: 600;
    font-size: var(--font-size-base);
}

.form-group input[name*="dip_depth"]:focus {
    border-color: #e65100;
    box-shadow: 0 0 0 3px rgba(255, 152, 0, 0.2);
    background-color: #fffde7;
}

/* Depth Calculation Info */
.depth-calculation-info {
    margin-top: var(--space-2);
    padding: var(--space-2);
    background-color: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: #0d47a1;
}

.depth-calculation-info.error {
    background-color: #ffebee;
    border-color: #f44336;
    color: #c62828;
}

.depth-calculation-info.success {
    background-color: #e8f5e8;
    border-color: #4caf50;
    color: #2e7d32;
}

/* Calculated Volumes Grid */
.calculated-volumes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 2px solid var(--color-border);
}

.volume-display-card {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 2px solid #9c27b0;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.volume-display-card h5 {
    margin: 0 0 var(--space-2) 0;
    color: #4a148c;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.volume-reading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.volume-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #6a1b9a;
    text-shadow: 1px 1px 2px rgba(106, 27, 154, 0.2);
}

.volume-source {
    font-size: var(--font-size-xs);
    color: #7b1fa2;
    font-style: italic;
}

/* Tank Configuration Alert */
.tank-config-alert {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background-color: #fff3e0;
    border: 2px solid #ff9800;
    border-radius: var(--radius-md);
    animation: alertPulse 2s ease-in-out infinite;
}

@keyframes alertPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.9; }
}

.alert-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.alert-icon {
    font-size: var(--font-size-xl);
    animation: alertBounce 1.5s ease-in-out infinite;
}

@keyframes alertBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.alert-text {
    flex: 1;
    color: #e65100;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* Enhanced Variance Display with Depth Info */
.variance-details .variance-item:nth-child(2) {
    background-color: #fff8e1;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    margin: var(--space-1) 0;
}

.variance-details .variance-item:nth-child(2) .variance-label {
    color: #f57500;
    font-weight: 600;
}

.variance-details .variance-item:nth-child(2) .variance-value {
    color: #e65100;
    font-weight: 700;
}

/* Depth Input Validation States */
.form-group input[name*="dip_depth"].invalid {
    border-color: #f44336;
    background-color: #ffebee;
    color: #c62828;
}

.form-group input[name*="dip_depth"].valid {
    border-color: #4caf50;
    background-color: #e8f5e8;
    color: #2e7d32;
}

/* Tank Diameter Indicator */
.tank-info-indicator {
    display: inline-block;
    margin-left: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background-color: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: #1565c0;
    font-weight: 500;
}

/* Responsive Design for Mobile */
@media (max-width: 768px) {
    .calculated-volumes-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .volume-display-card {
        padding: var(--space-3);
    }
    
    .volume-value {
        font-size: var(--font-size-xl);
    }
    
    .alert-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}

@media (max-width: 480px) {
    .form-group input[name*="dip_depth"] {
        font-size: var(--font-size-base);
        padding: var(--space-3);
    }
    
    .volume-display-card h5 {
        font-size: var(--font-size-xs);
    }
    
    .volume-value {
        font-size: var(--font-size-lg);
    }
}

/* Enhanced Stock Movement Styles */
.movement-type-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.movement-type-badge {
    background: #e5e7eb;
    color: #374151;
}

.quantity-display {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.quantity-display.positive {
    color: #059669;
}

.quantity-display.negative {
    color: #dc2626;
}

.notes-cell {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 12px;
    color: #6b7280;
}

.notes-cell:hover {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    background: #f9fafb;
    position: relative;
    z-index: 10;
}

/* Stock Movement Table Enhancements */
#stockMovementsTable {
    font-size: 13px;
}

#stockMovementsTable th {
    background: #f8fafc;
    color: #374151;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e5e7eb;
}

#stockMovementsTable td {
    padding: 12px 8px;
    vertical-align: middle;
    border-bottom: 1px solid #f3f4f6;
}

#stockMovementsTable tr:hover {
    background: #f8fafc;
}

/* Stock Status Display */
.stock-status {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
}

.stock-status.low {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.stock-status.medium {
    background: #fefbf2;
    color: #d97706;
    border: 1px solid #fed7aa;
}

.stock-status.normal {
    background: #f0fdf4;
    color: #059669;
    border: 1px solid #bbf7d0;
}

/* Tank Configuration Warning Improvements */
.tank-config-warning {
    animation: slideDown 0.3s ease-out;
    border-left: 4px solid #dc2626;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* User Info Display Enhancement */
#userInfo {
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}


/* Sample Loss Analysis Styles */

/* Sample Loss Grid Layout */
.sample-loss-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.sample-loss-card {
    background-color: #fef7f0;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 2px solid #fb923c;
    box-shadow: var(--shadow-sm);
}

.sample-loss-card h4 {
    margin: 0 0 var(--space-3) 0;
    color: #ea580c;
    font-size: var(--font-size-base);
    font-weight: 600;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid #fed7aa;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.sample-loss-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sample-loss-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
}

.sample-loss-item.sample-loss-total {
    border-top: 1px solid #fed7aa;
    border-bottom: 1px solid #fed7aa;
    margin-top: var(--space-2);
    padding-top: var(--space-3);
    font-weight: 600;
    background-color: rgba(251, 146, 60, 0.1);
    border-radius: var(--radius-sm);
    padding-left: var(--space-2);
    padding-right: var(--space-2);
}

.sample-loss-label {
    color: #9a3412;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.sample-loss-value {
    color: var(--color-text);
    font-weight: 600;
}

.sample-loss-value.loss {
    color: var(--color-danger);
    font-weight: 700;
}

/* Total Sample Loss Display */
.total-sample-loss-display {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 2px solid #dc2626;
    margin-top: var(--space-4);
    text-align: center;
}

.total-sample-loss-item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.total-sample-loss-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #7f1d1d;
}

.total-sample-loss-item .sample-loss-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.sample-loss-note {
    font-size: var(--font-size-xs);
    color: #991b1b;
    font-style: italic;
    text-align: center;
}

/* Combined Impact Analysis Styles */
.combined-impact {
    background-color: var(--color-gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
    border-left: 4px solid var(--color-info);
}

.combined-impact h4 {
    margin: 0 0 var(--space-3) 0;
    color: var(--color-info);
    font-size: var(--font-size-base);
}

.impact-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
}

.impact-summary-item {
    text-align: center;
    padding: var(--space-3);
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

.impact-summary-item.total-impact {
    border: 2px solid var(--color-primary);
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.impact-summary-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-bottom: var(--space-1);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.impact-summary-value {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.impact-summary-value.positive {
    color: var(--color-success);
}

.impact-summary-value.negative,
.impact-summary-value.loss {
    color: var(--color-danger);
}

/* Enhanced Net Sold Field Styling */
.form-group input[id*="NetSold"] {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid var(--color-success);
    color: var(--color-success);
    font-weight: 700;
    font-size: var(--font-size-base);
}

.form-group input[id*="NetSold"]:focus {
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2);
}

/* Sample Input Enhanced Styling */
.form-group input[name*="sample_taken"] {
    background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
    border: 2px solid #d97706;
    color: #92400e;
    font-weight: 600;
}

.form-group input[name*="sample_returned"] {
    background: linear-gradient(135deg, #ecfdf5 0%, #bbf7d0 100%);
    border: 2px solid #059669;
    color: #047857;
    font-weight: 600;
}

/* Responsive Design for Sample Loss Section */
@media (max-width: 768px) {
    .sample-loss-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .sample-loss-card {
        padding: var(--space-3);
    }
    
    .sample-loss-item {
        padding: var(--space-1) 0;
        font-size: var(--font-size-sm);
    }
    
    .total-sample-loss-display {
        padding: var(--space-3);
    }
    
    .total-sample-loss-item {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .impact-summary-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .impact-summary-item {
        padding: var(--space-2);
    }
}

@media (max-width: 480px) {
    .sample-loss-card h4 {
        font-size: var(--font-size-sm);
    }
    
    .sample-loss-label,
    .sample-loss-value {
        font-size: var(--font-size-xs);
    }
    
    .total-sample-loss-label {
        font-size: var(--font-size-sm);
    }
    
    .total-sample-loss-item .sample-loss-value {
        font-size: var(--font-size-lg);
    }
}

/* Animation for Sample Loss Updates */
@keyframes sampleLossUpdate {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.sample-loss-value.updated {
    animation: sampleLossUpdate 0.3s ease-in-out;
}

/* Print Styles for Sample Loss */
@media print {
    .sample-loss-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        page-break-inside: avoid;
    }
    
    .sample-loss-card {
        border: 1px solid #000;
        background: transparent !important;
        padding: 8px;
    }
    
    .total-sample-loss-display {
        border: 2px solid #000;
        background: transparent !important;
        padding: 8px;
        margin-top: 8px;
    }
    
    .combined-impact {
        border: 1px solid #000;
        background: transparent !important;
        padding: 8px;
    }
}

/* ===== FINAL CSS UPDATES FOR SEQUENTIAL LOGIC ===== */

/* 1. Sequential validation error styling */
.sequential-error-modal .modal-content {
    border-left: 5px solid #ffc107;
    background: linear-gradient(135deg, #fff, #fffbf0);
}

.sequential-error-details {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    padding: 15px;
    margin: 15px 0;
    color: #856404;
}

.sequential-error-details .missing-date {
    font-weight: bold;
    color: #dc3545;
    background: #f8d7da;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin: 2px;
}

.sequential-path {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: 6px;
    padding: 12px;
    margin: 10px 0;
    color: #0d47a1;
}

.sequential-path .path-step {
    display: inline-block;
    background: #1976d2;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    margin: 2px;
    font-size: 0.9em;
}

.sequential-path .path-arrow {
    margin: 0 8px;
    font-weight: bold;
    color: #1976d2;
}

/* 2. Database status indicators */
.database-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 6px;
    margin: 10px 0;
    font-size: 0.9em;
    font-weight: 500;
}

.database-status.empty {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    border: 1px solid #4caf50;
    color: #1b5e20;
}

.database-status.active {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: 1px solid #2196f3;
    color: #0d47a1;
}

.database-status.error {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    border: 1px solid #f44336;
    color: #b71c1c;
}

.status-icon {
    font-size: 1.2em;
}

.database-status.empty .status-icon::before { content: "🆕"; }
.database-status.active .status-icon::before { content: "📊"; }
.database-status.error .status-icon::before { content: "❌"; }

/* 3. First-time user welcome */
.first-time-welcome {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
    border: 2px solid #9c27b0;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
    color: #4a148c;
}

.welcome-icon {
    font-size: 3em;
    margin-bottom: 15px;
    display: block;
}

.welcome-title {
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 10px;
}

.welcome-message {
    margin-bottom: 15px;
    line-height: 1.5;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.welcome-feature {
    background: rgba(255, 255, 255, 0.7);
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9em;
}

/* 4. Rebuild action panel enhancement */
.quick-action-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 350px;
    background: white;
    border: 2px solid #007bff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 123, 255, 0.3);
    z-index: 1000;
    animation: slideInRight 0.4s ease-out;
}

@keyframes slideInRight {
    from { 
        transform: translateX(100%) scale(0.9);
        opacity: 0;
    }
    to { 
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

.panel-header {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px 20px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.close-panel {
    background: none;
    border: none;
    color: white;
    font-size: 1.8em;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.close-panel:hover {
    background: rgba(255, 255, 255, 0.2);
}

.panel-body {
    padding: 20px;
}

.rebuild-info {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 15px;
    margin: 15px 0;
}

.rebuild-info ul {
    margin: 10px 0 0 20px;
    padding: 0;
}

.rebuild-info li {
    margin: 8px 0;
    color: #495057;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.action-buttons .btn {
    justify-content: flex-start;
    text-align: left;
    padding: 12px 16px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.action-buttons .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 5. Sequential creation flow indicators */
.creation-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 15px 0;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px;
    border-radius: 6px;
    min-width: 80px;
    text-align: center;
    font-size: 0.85em;
    transition: all 0.3s ease;
}

.flow-step.completed {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flow-step.current {
    background: #cce5ff;
    color: #004085;
    border: 2px solid #007bff;
    transform: scale(1.05);
}

.flow-step.pending {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.flow-step-icon {
    font-size: 1.5em;
    margin-bottom: 2px;
}

.flow-arrow {
    font-size: 1.2em;
    color: #6c757d;
}

.flow-step.completed .flow-arrow {
    color: #28a745;
}

.flow-step.current .flow-arrow {
    color: #007bff;
    animation: pulse 2s infinite;
}

/* 6. Entry type badges */
.entry-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entry-type-badge.first-entry {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    color: #1b5e20;
    border: 1px solid #4caf50;
}

.entry-type-badge.sequential {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #0d47a1;
    border: 1px solid #2196f3;
}

.entry-type-badge.backfill {
    background: linear-gradient(135deg, #fff3e0, #ffcc02);
    color: #e65100;
    border: 1px solid #ff9800;
}

.entry-type-badge.today {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
    color: #4a148c;
    border: 1px solid #9c27b0;
}

/* 7. Enhanced form notices */
.form-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: 8px;
    margin: 12px 0;
    font-size: 0.9em;
    line-height: 1.4;
    animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-notice.first-time {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    border: 1px solid #4caf50;
    color: #1b5e20;
}

.form-notice.sequential-allowed {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: 1px solid #2196f3;
    color: #0d47a1;
}

.form-notice.sequential-blocked {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    border: 1px solid #f44336;
    color: #b71c1c;
}

.notice-icon {
    font-size: 1.3em;
    flex-shrink: 0;
}

/* 8. Date picker enhancements */
#entryDate {
    position: relative;
}

#entryDate:invalid {
    border-color: #dc3545;
    box-shadow: 0 0 5px rgba(220, 53, 69, 0.3);
}

#entryDate:valid {
    border-color: #28a745;
    box-shadow: 0 0 5px rgba(40, 167, 69, 0.2);
}

.date-input-wrapper {
    position: relative;
}

.date-status-indicator {
    position: absolute;
    right: 35px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2em;
}

.date-status-indicator.allowed {
    color: #28a745;
}

.date-status-indicator.blocked {
    color: #dc3545;
}

.date-status-indicator.warning {
    color: #ffc107;
}

/* 9. Mobile responsiveness */
@media (max-width: 768px) {
    .quick-action-panel {
        position: fixed;
        top: 10px;
        left: 10px;
        right: 10px;
        width: auto;
        max-width: none;
    }
    
    .creation-flow {
        flex-direction: column;
        gap: 10px;
    }
    
    .flow-step {
        min-width: 120px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
    }
    
    .database-status {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .panel-body {
        padding: 15px;
    }
    
    .form-notice {
        padding: 10px 12px;
        font-size: 0.85em;
    }
    
    .entry-type-badge {
        font-size: 0.75em;
        padding: 3px 8px;
    }
}

/* Sequential Entry Status Indicators */
.form-status-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.mode-indicator, .date-status, .operation-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.create-mode { background: #d1ecf1; color: #0c5460; }
.edit-mode { background: #fff3cd; color: #856404; }
.readonly-mode { background: #f8d7da; color: #721c24; }
.blocked-mode { background: #f5c6cb; color: #721c24; }
.checking-mode { background: #cce5ff; color: #004085; }

.quick-action-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 400px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
}