/* ===== MODERN WAREHOUSE MANAGEMENT UI ===== */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #f59e0b;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout Styles */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
  width: 320px;
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, #0f172a 100%);
  color: white;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
}

.sidebar-header {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, #a855f7, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.nav-section {
  margin-bottom: 2rem;
}

.nav-section-title {
  padding: 0.5rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
  position: relative;
}

.nav-link:hover {
  color: white;
  background-color: var(--sidebar-hover);
  border-left-color: var(--primary-color);
  transform: translateX(2px);
}

.nav-link.active {
  color: white;
  background-color: rgba(99, 102, 241, 0.2);
  border-left-color: var(--primary-color);
}

.nav-link i {
  width: 20px;
  margin-right: 0.75rem;
  font-size: 1rem;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 320px;
  background-color: var(--bg-primary);
  min-height: 100vh;
}

.content-header {
  background: white;
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.content-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.content-header p {
  color: var(--text-secondary);
  margin: 0.5rem 0 0 0;
  font-size: 1rem;
}

.content-body {
  padding: 2rem;
}

/* Card Styles */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.card-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.card-body {
  padding: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* Form Styles */
.form-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Form Row Layouts */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-row-4 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group.highlight {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.1) 100%);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: var(--transition);
}

.form-group.highlight .form-label {
  color: var(--primary-color);
  font-weight: 600;
}

.form-group.highlight .form-control,
.form-group.highlight .form-select {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background-color: white;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Override browser default validation styling */
.form-control:valid {
  border-color: var(--border-color);
}

/* Remove red border when user is actively typing */
.form-control:focus:invalid {
  border-color: var(--primary-color);
}

/* Comprehensive override to remove all red borders from form controls */
.form-control:invalid,
.form-control:required:invalid,
.form-control:invalid:not(:focus),
.form-control:invalid:not(:placeholder-shown) {
  border-color: var(--border-color) !important;
}

/* Ensure form controls always use normal border color unless focused */
.form-control {
  border-color: var(--border-color) !important;
}

.form-control:focus {
  border-color: var(--primary-color) !important;
}

.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color) !important;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background-color: white;
  /* Removed dropdown arrow symbols */
  /* background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em; */
  /* padding-right: 2.5rem; */
}

/* Focus styling for dropdowns */
.form-select:focus {
  outline: none;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Force normal border for all dropdown states */
.form-select:valid,
.form-select:invalid,
.form-select:required {
  border-color: var(--border-color) !important;
}

/* Only show blue border when focused */
.form-select:focus:valid,
.form-select:focus:invalid,
.form-select:focus:required {
  border-color: var(--primary-color) !important;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #3730a3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--text-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color), #059669);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--error-color), #dc2626);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color), #d97706);
  color: white;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  min-height: 36px;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  min-height: 52px;
}

/* Table Styles */
.table-container {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.table th {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  font-size: 0.875rem;
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.table tbody tr:hover {
  background-color: #f8fafc;
}

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

/* Search and Filter Styles */
.search-section {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: end;
}

@media (max-width: 768px) {
  .search-form {
    grid-template-columns: 1fr;
  }
}

/* Alert Styles */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.alert-error {
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.alert-success {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.alert-warning {
  background-color: #fffbeb;
  border-color: #fed7aa;
  color: #92400e;
}

/* Login Page Specific Styles */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 450px;
}

.login-header {
  padding: 2rem 2rem 1rem;
  text-align: center;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.login-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.login-body {
  padding: 2rem;
}

/* Logo styling for login page */
.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.logo-fallback {
  position: relative;
  width: 40px;
  height: 40px;
}

.logo-text {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #3B82F6, #1E40AF);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
}

/* Fallback styling if logo image is not found */
.logo-container h2 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* Responsive logo */
@media (max-width: 480px) {
  .logo-image,
  .logo-fallback,
  .logo-text {
    width: 32px;
    height: 32px;
  }
  
  .logo-text {
    font-size: 16px;
  }
  
  .logo-container h2 {
    font-size: 1.5rem;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .content-header {
    padding: 1rem;
  }
  
  .content-body {
    padding: 1rem;
  }
  
  .form-container {
    max-width: 100%;
  }
  
  .form-row,
  .form-row-3,
  .form-row-4 {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.w-full { width: 100%; }

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { transform: translateX(-20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Only show red border on invalid fields that have been touched/submitted */
/* Removed red border styling */
/* .form-control:invalid:not(:focus):not(:placeholder-shown) {
  border-color: var(--error-color);
} */

.bill-table th, .bill-table td {
  border: 1px solid #333;
  padding: 3px 4px;
  text-align: left;
  vertical-align: top;
  word-break: break-word;
  font-size: 0.78em;
}
.col-sr { width: 7%; }
.col-desc { width: 38%; }
.col-qty { width: 15%; }
.col-rate { width: 15%; }
.col-total { width: 25%; }