/* Responsive Design - Mobile First Approach */

/* Base styles for mobile (default) */
:root {
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
}

/* Touch-friendly buttons */
.btn,
button,
a.btn {
  min-height: 44px;
  min-width: 44px;
  padding: 12px 20px;
  font-size: 16px;
}

/* Responsive tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .table-responsive table {
    font-size: 14px;
  }
  
  .table-responsive th,
  .table-responsive td {
    padding: 8px;
  }
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    width: 280px;
    transition: left 0.3s ease;
    z-index: 1000;
    background: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
  }
  
  .sidebar.active {
    left: 0;
  }
  
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }
  
  .sidebar-overlay.active {
    display: block;
  }
  
  .mobile-menu-toggle {
    display: block;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    background: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
  
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
}

/* Responsive Grid */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* KPI Cards Responsive */
.kpi-card {
  padding: var(--spacing-md);
  border-radius: 12px;
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
  .kpi-card {
    padding: var(--spacing-sm);
  }
  
  .kpi-card .metric-value {
    font-size: 2rem;
  }
}

/* Process Panel Responsive */
.process-panel {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 1024px) {
  .process-panel {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 1023px) {
  .process-panel {
    grid-template-columns: 1fr;
  }
}

/* Modal Responsive */
.modal-dialog {
  max-width: 90%;
  margin: 20px auto;
}

@media (min-width: 768px) {
  .modal-dialog {
    max-width: 600px;
  }
}

@media (min-width: 1024px) {
  .modal-dialog {
    max-width: 800px;
  }
}

/* Form Responsive */
.form-group {
  margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
  }
  
  .form-row .form-group {
    width: 100%;
  }
}

/* Dashboard Cards */
.dashboard-card {
  padding: var(--spacing-md);
  border-radius: 12px;
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.2s;
}

.dashboard-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .dashboard-card {
    padding: var(--spacing-sm);
  }
}

/* Utility Classes */
.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
  
  .show-mobile {
    display: block;
  }
}

/* Text Responsive */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  body {
    font-size: 14px;
  }
}

/* Spacing Utilities */
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

/* Print Styles */
@media print {
  .sidebar,
  .mobile-menu-toggle,
  .btn,
  .no-print {
    display: none !important;
  }
  
  .main-content {
    margin: 0;
    padding: 0;
  }
  
  .kpi-card,
  .dashboard-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}