@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Roboto+Mono:wght@400;500&display=swap');

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

:root {
  --primary: #5a67d8; /* A slightly softer blue */
  --primary-rgb: 90, 103, 216; /* RGB for primary */
  --primary-dark: #434190;
  --primary-light: #7f8cde;
  --secondary: #805ad5; /* A complementary purple */
  --success: #48bb78; /* A vibrant green */
  --success-rgb: 72, 187, 120; /* RGB for success */
  --error: #f56565; /* A clear red */
  --error-rgb: 245, 101, 101; /* RGB for error */
  --warning: #f6e05e; /* A bright yellow */
  --info: #4299e1; /* A calm blue */
  --dark: #2d3748; /* Darker text for better contrast */
  --gray: #718096; /* A neutral gray */
  --light-gray: #edf2f7; /* Lighter background gray */
  --white: #ffffff;
  --shadow: 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);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; /* Added Inter font */
  background: var(--light-gray); /* Use light-gray for body background */
  min-height: 100vh;
  color: var(--dark);
  line-height: 1.6;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Header Styles */
.header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 1.5rem 0; /* Slightly reduced padding */
  box-shadow: var(--shadow-lg); /* Stronger shadow */
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo i {
  font-size: 2.5rem;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.nav-item {
  color: white;
  text-decoration: none;
  padding: 0.6rem 1.2rem; /* Slightly larger padding */
  border-radius: 0.5rem;
  transition: all 0.3s ease; /* Added ease for smoother transition */
  font-weight: 500;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.15); /* More visible hover */
  transform: translateY(-2px); /* More pronounced lift */
}

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto; /* Added top/bottom margin */
  padding: 0 2rem; /* Adjusted padding */
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--light-gray);
}

.tab-btn {
  padding: 1rem 1.5rem; /* Slightly reduced horizontal padding */
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  border-radius: 0.5rem 0.5rem 0 0; /* Rounded top corners */
}

.tab-btn:hover {
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08); /* Use RGB for hover */
}

.tab-btn.active {
  color: var(--primary);
  background: var(--white); /* Active tab background */
  box-shadow: var(--shadow); /* Shadow for active tab */
  z-index: 1;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0; /* Align with bottom of tab */
  left: 0;
  right: 0;
  height: 3px; /* Thicker active indicator */
  background: var(--primary);
  border-radius: 0.5rem 0.5rem 0 0; /* Match tab border radius */
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-in;
}

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

/* Card Styles */
.card {
  background: var(--white);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  border: 1px solid var(--light-gray); /* Subtle border */
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--light-gray);
}

.card-icon {
  width: 56px; /* Larger icon */
  height: 56px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 14px; /* Slightly larger radius */
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem; /* Larger icon size */
  box-shadow: var(--shadow); /* Shadow for icon */
}

.card-icon i {
  color: white !important;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

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

.form-group label {
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group label i {
  color: var(--primary);
  font-size: 0.875rem;
}

.form-group input,
.form-group select {
  padding: 0.85rem 1rem; /* Slightly more padding */
  border: 1px solid var(--light-gray); /* Thinner, softer border */
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s ease-in-out; /* Smoother transition */
  background: var(--white);
  color: var(--dark);
}

.form-group input:hover,
.form-group select:hover {
  border-color: var(--gray); /* Hover border color */
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2); /* More prominent focus shadow */
}

/* Package Dimensions Grid */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

/* Button Styles */
.btn {
  padding: 0.8rem 1.8rem; /* Increased padding for better touch targets */
  border: none;
  border-radius: 0.6rem; /* Slightly more rounded corners */
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease-in-out; /* Smoother transitions */
  display: inline-flex;
  align-items: center;
  gap: 0.6rem; /* Increased gap */
  text-decoration: none;
  justify-content: center; /* Center content */
}

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary)); /* Subtle change on hover */
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: #5a67d8; /* Primary color on hover */
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #38a169); /* Darker green */
  color: white;
  box-shadow: var(--shadow);
}

.btn-success:hover {
  background: linear-gradient(135deg, #38a169, var(--success));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:disabled {
  opacity: 0.7; /* Slightly less opaque */
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  position: relative; /* For spinner */
  color: transparent; /* Hide text when loading */
}

.btn:disabled::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.5); /* Lighter spinner border */
  border-radius: 50%;
  border-top-color: var(--white); /* Spinner color */
  animation: spin 1s linear infinite;
}

/* Rates Section */
.rates-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.rate-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--light-gray); /* Softer border */
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow); /* Default shadow */
}

.rate-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px); /* More pronounced lift */
  box-shadow: var(--shadow-lg);
}

.rate-card.selected {
  border-color: var(--primary);
  background: linear-gradient(to bottom right, #e0e7ff, #f0f9ff); /* Lighter gradient */
  box-shadow: var(--shadow-lg);
}

.rate-card.selected::before {
  content: '\f058'; /* Checkmark icon */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--primary);
  font-size: 1.6rem; /* Slightly larger icon */
}

.rate-card.recommended {
  border-color: var(--success);
  background: linear-gradient(to bottom right, #e6fffa, #ffffff); /* Lighter success gradient */
  box-shadow: var(--shadow-lg);
}

.best-value-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--success);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.rate-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.carrier-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.carrier-icon {
  width: 40px;
  height: 40px;
  background: var(--light-gray);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
}

.carrier-name {
  font-weight: 600;
  color: var(--dark);
}

.service-name {
  font-size: 0.875rem;
  color: var(--gray);
}

.rate-price {
  font-size: 2rem; /* Larger price */
  font-weight: 700;
  color: var(--success);
}

.rate-details {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.rate-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray);
}

.rate-detail i {
  color: var(--primary);
}

/* Upload Area */
.upload-area {
  border: 2px dashed var(--primary-light); /* Softer dashed border */
  border-radius: 1rem;
  padding: 3rem;
  text-align: center;
  background: var(--white); /* Solid background */
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.upload-area:hover {
  border-color: var(--primary);
  background: var(--light-gray); /* Subtle background change on hover */
}

.upload-area.drag-over {
  background: var(--light-gray);
  border-color: var(--primary);
}

.upload-icon {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: all 0.3s;
}

.upload-area:hover.upload-icon {
  color: var(--primary-dark);
  transform: scale(1.1);
}

/* Shipment Preview */
.shipment-preview {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--light-gray); /* Softer border */
  transition: all 0.2s ease-in-out;
  box-shadow: var(--shadow);
}

.shipment-preview:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.shipment-preview.error {
  border-color: var(--error);
  background: #fff5f5; /* Lighter error background */
}

.shipment-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.shipment-number {
  font-weight: 600;
  color: var(--primary);
}

.shipment-status {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pending {
  background: #fef3c7;
  color: #92400e;
}

.status-success {
  background: #d1fae5;
  color: #065f46;
}

.status-error {
  background: #fee2e2;
  color: #991b1b;
}

/* Label Result */
.label-result {
  background: var(--dark);
  border: 1px solid var(--gray); /* Softer border */
  border-radius: 1rem;
  padding: 2.5rem; /* More padding */
  text-align: center;
  color: white;
  box-shadow: var(--shadow-lg);
}

.label-result p {
  color: white;
}

.label-text {
  color: var(--light-gray); /* Lighter text for labels */
  font-size: 0.9rem;
}

.label-value {
  color: white;
  font-weight: 600;
}

.success-icon {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: 1rem;
}

.tracking-info {
  background-color: #3a475a; /* Darker background for better contrast */
  border-radius: 0.75rem; /* Slightly more rounded */
  padding: 1.5rem 2rem; /* More horizontal padding */
  margin: 1.5rem auto; /* Center it */
  max-width: 400px; /* Max width for tracking info */
  box-shadow: var(--shadow-lg);
  color: white;
}

.tracking-number {
  font-size: 1.8rem; /* Larger tracking number */
  font-weight: 700;
  color: var(--warning); /* Highlight tracking number */
  font-family: 'Roboto Mono', monospace; /* Monospace font */
  letter-spacing: 0.08em; /* More spacing */
  word-break: break-all; /* Ensure it breaks if too long */
}

/* Alerts */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 0.75rem; /* Slightly more rounded */
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: slideIn 0.4s ease-out forwards; /* Added forwards to keep final state */
  box-shadow: var(--shadow);
}

@keyframes slideIn {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  to { transform: translateX(100%); opacity: 0; }
}

.alert-success {
  background: #e6fffa; /* Lighter green */
  color: #2d3748; /* Dark text */
  border: 1px solid var(--success);
}

.alert-error {
  background: #fff5f5; /* Lighter red */
  color: #2d3748; /* Dark text */
  border: 1px solid var(--error);
}

.alert-info {
  background: #ebf8ff; /* Lighter blue */
  color: #2d3748; /* Dark text */
  border: 1px solid var(--info);
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  border: 4px solid rgba(var(--primary-rgb), 0.2); /* Thicker, softer spinner border */
  border-top: 4px solid var(--primary); /* Primary color for spinner */
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite; /* Faster spin */
  margin: 0 auto;
}

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

/* Progress Bar */
.progress-container {
  background: var(--light-gray);
  border-radius: 9999px;
  height: 10px; /* Taller progress bar */
  overflow: hidden;
  margin: 1rem 0;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1); /* Inner shadow */
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  height: 100%;
  transition: width 0.3s ease;
  border-radius: 9999px;
}

/* Tooltips */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text { /* Removed .tooltip.tooltip-text for better specificity */
  visibility: hidden;
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 0.6rem 1.2rem; /* More padding */
  border-radius: 0.6rem; /* Slightly more rounded */
  position: absolute;
  z-index: 10; /* Higher z-index */
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease; /* Added transform transition */
  font-size: 0.875rem;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(-5px); /* Slight lift on hover */
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6); /* Darker overlay */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  padding: 2.5rem; /* More padding */
  border-radius: 1rem;
  max-width: 550px; /* Slightly wider */
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95); /* Initial transform */
  transition: all 0.3s ease-in-out;
  box-shadow: var(--shadow-lg);
}

.modal.active .modal-content { /* Corrected selector */
  transform: translateY(0) scale(1);
}

/* Dashboard Styles */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: all 0.2s ease-in-out;
  border: 1px solid var(--light-gray); /* Subtle border */
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary); /* Primary color border on hover */
}

.stat-icon {
  width: 64px; /* Slightly larger icon container */
  height: 64px;
  border-radius: 1.2rem; /* More rounded */
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem; /* Larger icon */
  box-shadow: var(--shadow);
}

.stat-icon i {
  color: white !important;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--gray);
  font-size: 0.875rem;
}

.shipment-history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--light-gray);
  transition: all 0.3s;
}

.shipment-history-item:hover {
  background: rgba(99, 102, 241, 0.05);
}

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

/* Address Autocomplete */
.address-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border: 1px solid var(--primary); /* Thinner border */
  border-top: none;
  border-radius: 0 0 0.75rem 0.75rem; /* More rounded bottom corners */
  box-shadow: var(--shadow-lg);
  max-height: 250px; /* Taller dropdown */
  overflow-y: auto;
  z-index: 100;
}

.address-suggestion {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.address-suggestion:hover {
  background: rgba(var(--primary-rgb), 0.05);
}

.address-suggestion:hover i {
  color: var(--primary-dark);
}

.address-suggestion i {
  color: var(--primary);
  font-size: 1.25rem;
}

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem; /* More padding */
  background: var(--white);
  border: 1px solid var(--light-gray); /* Softer border */
  border-radius: 0.6rem; /* Slightly more rounded */
  font-size: 0.9rem; /* Slightly larger font */
  font-weight: 500;
  color: var(--dark); /* Darker text */
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: var(--shadow);
}

.quick-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08); /* Use RGB for hover */
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.quick-action-btn i {
  font-size: 1rem;
}

/* Notifications */
.notification-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.notification {
  background: var(--white);
  padding: 1rem 1.5rem;
  border-radius: 0.75rem; /* More rounded */
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 320px; /* Slightly wider */
  transform: translateX(400px);
  transition: transform 0.3s ease-out, opacity 0.3s ease-out; /* Added opacity transition */
  border: 1px solid var(--light-gray); /* Subtle border */
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left: 5px solid var(--success); /* Thicker border */
  color: var(--success);
}

.notification-error {
  border-left: 5px solid var(--error);
  color: var(--error);
}

.notification-warning {
  border-left: 5px solid var(--warning);
  color: var(--warning);
}

.notification-info {
  border-left: 5px solid var(--info);
  color: var(--info);
}

.notification button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  margin-left: 1rem;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.notification button:hover {
  opacity: 1;
}

/* Keyboard Shortcuts */
.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem; /* More padding */
  background: var(--light-gray);
  border-radius: 0.6rem; /* Slightly more rounded */
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05); /* Inner shadow */
}

kbd {
  background: var(--dark);
  color: white;
  padding: 0.3rem 0.6rem; /* More padding */
  border-radius: 0.3rem; /* Slightly more rounded */
  font-family: 'Roboto Mono', monospace; /* Specific monospace font */
  font-size: 0.9rem; /* Slightly larger font */
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Settings */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.setting-item label {
  font-weight: 500;
  color: var(--dark);
}

/* Focus States */
*:focus {
  outline: 3px solid var(--primary-light); /* Thicker, lighter outline */
  outline-offset: 3px; /* More offset */
  border-radius: 0.6rem; /* Apply border-radius to focus outline */
}

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Dark Mode */
.dark-theme {
  --primary: #7f8cde; /* Lighter primary for dark mode */
  --primary-dark: #5a67d8;
  --primary-light: #a7b4f8;
  --secondary: #a078e6;
  --success: #68d391;
  --error: #fc8181;
  --warning: #fbd38d;
  --info: #63b3ed;
  --dark: #edf2f7; /* Light text */
  --gray: #a0aec0;
  --light-gray: #2d3748; /* Dark background gray */
  --white: #1a202c; /* Darker background for elements */
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
}

.dark-theme body {
  background: #111827; /* Very dark background */
  color: var(--dark);
}

.dark-theme .header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
}

.dark-theme .card,
.dark-theme .rate-card,
.dark-theme .shipment-preview,
.dark-theme .stat-card,
.dark-theme .modal-content {
  background: var(--white);
  color: var(--dark);
  border-color: #2d3748; /* Darker border */
}

.dark-theme .label-result {
  background: #2d3748; /* Darker background for label result */
  border-color: var(--gray);
  color: white;
}

.dark-theme .tracking-info {
  background-color: #3a475a; /* Consistent dark background */
  color: white;
}

.dark-theme .form-group input,
.dark-theme .form-group select {
  background: #2d3748;
  color: var(--dark);
  border-color: #4a5568;
}

.dark-theme .form-group input:hover,
.dark-theme .form-group select:hover {
  border-color: var(--primary-light);
}

.dark-theme .rate-card:hover,
.dark-theme .shipment-preview:hover,
.dark-theme .stat-card:hover {
  border-color: var(--primary-light);
}

.dark-theme .upload-area {
  background: var(--white);
  border-color: var(--gray);
}

.dark-theme .address-dropdown {
  background: var(--white);
  border-color: var(--primary);
}

.dark-theme .tooltip .tooltip-text {
  background: var(--dark);
  color: var(--white);
}

.dark-theme kbd {
  background: var(--light-gray);
  color: var(--dark);
}

/* Compact View */
.compact-view .card {
  padding: 1.5rem;
}

.compact-view .form-grid {
  gap: 1rem;
}

.compact-view .btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .header-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .tab-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start; /* Align tabs to start on smaller screens */
    padding-bottom: 0.5rem; /* Add some padding for scrollbar */
  }

  .tab-btn {
    flex-shrink: 0; /* Prevent shrinking */
  }

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

  .dimensions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .rates-container {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .rate-card {
    font-size: 0.9rem; /* Slightly larger font for readability */
  }

  .rate-price {
    font-size: 1.6rem !important; /* Adjusted font size */
  }

  .modal-content {
    padding: 1.5rem;
  }

  .bulk-progress {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    min-width: unset; /* Remove min-width */
    width: calc(100% - 2rem); /* Full width minus padding */
  }

  .notification-container {
    left: 1rem;
    right: 1rem;
    top: auto;
    bottom: 1rem;
  }

  .notification {
    min-width: auto;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .logo h1 {
    font-size: 1.5rem;
  }

  .tab-btn {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }

  .quick-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .quick-action-btn {
    justify-content: center;
  }

  .label-result {
    padding: 1.5rem; /* Less padding on small screens */
  }

  .tracking-info {
    padding: 1rem 1.5rem; /* Less padding */
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
  }

 .header, 
 .tab-nav, 
 .btn, 
 .alert,
 .quick-actions,
 .notification-container {
    display: none!important;
  }

 .card {
    box-shadow: none;
    border: 1px solid #e5e7eb;
    break-inside: avoid;
  }

 .rate-card {
    border: 1px solid #e5e7eb;
    box-shadow: none;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px; /* Wider scrollbar */
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-gray);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--gray);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

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

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

.bounce-in {
  animation: bounceIn 0.5s ease-out;
}

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

@keyframes slideInLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.hidden {
  display: none;
}

/* Special Effects */
.glow {
  box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.6); /* Stronger glow */
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.8rem; /* More padding */
  font-size: 0.8rem; /* Slightly larger font */
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase; /* Uppercase text */
  letter-spacing: 0.05em; /* Letter spacing */
}

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

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

.badge-error {
  background: var(--error);
  color: white;
}

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

/* Table Styles (for future use) */
.table {
  width: 100%;
  border-collapse: collapse;
  border-collapse: collapse;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 1rem; /* More padding */
  text-align: left;
  border-bottom: 1px solid var(--light-gray);
}

.table th {
  font-weight: 600;
  color: var(--dark);
  background: var(--light-gray);
  text-transform: uppercase; /* Uppercase headers */
  font-size: 0.9rem;
}

.table tr:hover {
  background: rgba(var(--primary-rgb), 0.05); /* Use RGB for hover */
}

/* Form Control Variants */
.form-control-sm {
  padding: 0.6rem 0.8rem;
  font-size: 0.875rem;
}

.form-control-lg {
  padding: 1.1rem 1.3rem;
  font-size: 1.125rem;
}

/* Error States */
.form-group.error input,
.form-group.error select {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(var(--error-rgb), 0.2); /* Error focus shadow */
}

.form-group.error label {
  color: var(--error);
}

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  animation: fadeIn 0.3s ease-in; /* Fade in error message */
}

/* Success States */
.form-group.success input,
.form-group.success select {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(var(--success-rgb), 0.2); /* Success focus shadow */
}

.form-group.success label {
  color: var(--success);
}