/* RepairPOS Custom Design System */
/* Based on specification color palette */

:root {
  /* Color Palette */
  --color-primary: #1f2937;        /* Dark slate */
  --color-secondary: #2563eb;      /* Blue */
  --color-success: #16a34a;        /* Green */
  --color-warning: #f59e0b;        /* Amber */
  --color-danger: #dc2626;         /* Red */
  --color-background: #f8fafc;     /* Light gray */
  --color-text: #1f2937;           /* Dark */
  --color-text-muted: #6b7280;     /* Gray */
  --color-border: #d1d5db;         /* Light border */
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  min-height: 44px;
  gap: 0.5rem;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

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

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

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

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

.btn-outline {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.btn-outline:hover {
  background: var(--color-background);
}

/* Mobile: buttons in forms become full-width */
@media (max-width: 768px) {
  .btn-form {
    width: 100%;
  }
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background: white;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-background);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  white-space: nowrap;
}

.badge-primary { background: var(--color-primary); color: white; }
.badge-secondary { background: var(--color-secondary); color: white; }
.badge-success { background: var(--color-success); color: white; }
.badge-warning { background: var(--color-warning); color: white; }
.badge-danger { background: var(--color-danger); color: white; }
.badge-neutral { background: var(--color-border); color: var(--color-text); }

/* Alerts */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-success {
  background: #dcfce7;
  border-color: var(--color-success);
  color: #166534;
}

.alert-warning {
  background: #fef3c7;
  border-color: var(--color-warning);
  color: #92400e;
}

.alert-danger {
  background: #fee2e2;
  border-color: var(--color-danger);
  color: #991b1b;
}

.alert-info {
  background: #dbeafe;
  border-color: var(--color-secondary);
  color: #1e40af;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-control,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  transition: border-color 0.2s;
}

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

.form-error {
  color: var(--color-danger);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.table thead {
  background: var(--color-background);
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.875rem;
}

.table tbody tr:hover {
  background: var(--color-background);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

/* Grid System */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(var(--spacing-md) * -0.5);
}

.col {
  flex: 1;
  padding: 0 calc(var(--spacing-md) * 0.5);
}

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

/* Form Grid */
.form-row {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-col {
  flex: 1;
}

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

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  background: var(--color-primary);
  color: white;
  overflow-y: auto;
  transition: transform 0.3s;
  z-index: 1000;
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
  padding: var(--spacing-md) 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.2s;
  gap: var(--spacing-md);
}

.sidebar-link:hover,
.sidebar-link.active {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.active {
    transform: translateX(0);
  }
}

/* Main Content */
.main-content {
  margin-left: 250px;
  padding: var(--spacing-lg);
  min-height: 100vh;
}

@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
  }
}

/* Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-md);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
}

.hamburger {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 2px;
  background: var(--color-text);
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.3s ease-in;
}