/* Header Styles */
.logo a {
  font-family: NBAFont;
  letter-spacing: 1px;
  font-weight: lighter;
}

.text-light.h6 {
  letter-spacing: 2px;
}

/* Calculator Page Styles */
:root {
  --primary-color: #04523d;
  --primary-hover: #00805d;
  --accent-green: #00c28e;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --border-color: #dee2e6;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Calculator Container */
.calculator-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Calculator Tabs - Unified Button System */
#calculatorTabs.nav-pills .nav-link,
.calculator-tabs.nav-pills .nav-link,
.calculator-tabs .nav-pills .nav-link {
  border-radius: 8px !important;
  margin: 0 4px !important;
  color: var(--dark-color) !important;
  background: linear-gradient(135deg, var(--light-color) 0%, #f8f9fa 100%) !important;
  border: 1px solid var(--border-color) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  font-weight: 500 !important;
  padding: 0.75rem 1.25rem !important;
  position: relative !important;
  overflow: hidden !important;
}

#calculatorTabs.nav-pills .nav-link::before,
.calculator-tabs.nav-pills .nav-link::before,
.calculator-tabs .nav-pills .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

#calculatorTabs.nav-pills .nav-link:hover,
.calculator-tabs.nav-pills .nav-link:hover,
.calculator-tabs .nav-pills .nav-link:hover {
  background: linear-gradient(135deg, var(--accent-green) 0%, #059862 100%) !important;
  color: white !important;
  border-color: var(--accent-green) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(4, 82, 61, 0.25) !important;
}

#calculatorTabs.nav-pills .nav-link:hover::before,
.calculator-tabs.nav-pills .nav-link:hover::before,
.calculator-tabs .nav-pills .nav-link:hover::before {
  left: 100%;
}

#calculatorTabs.nav-pills .nav-link.active,
#calculatorTabs.nav-pills .nav-link.active:focus,
.calculator-tabs.nav-pills .nav-link.active,
.calculator-tabs.nav-pills .nav-link.active:focus,
.calculator-tabs .nav-pills .nav-link.active,
.calculator-tabs .nav-pills .nav-link.active:focus {
  background: linear-gradient(135deg, var(--primary-color) 0%, #045a3d 100%) !important;
  border-color: var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 4px 15px rgba(4, 82, 61, 0.3) !important;
  transform: translateY(-1px) !important;
}

#calculatorTabs.nav-pills .nav-link.active:hover,
.calculator-tabs.nav-pills .nav-link.active:hover,
.calculator-tabs .nav-pills .nav-link.active:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #033d2a 100%) !important;
  border-color: var(--primary-hover) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(4, 82, 61, 0.35) !important;
}

/* Calculator Cards */
.calculator-card {
  background: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.calculator-card h3 {
  color: var(--dark-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* Calculator Specific Styles */
.calculator {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 0 24px 0 rgba(0, 0, 0, 0.12);
  padding: 30px;
  margin-bottom: 30px;
}

.calculator h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.calculator .form-group {
  margin-bottom: 20px;
}

.calculator label {
  display: block;
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
}

.calculator select,
.calculator input[type='number'] {
  width: 100%;
  padding: 10px 12px;
  background: #f8f9fa;
  color: #444444;
  border: 1px solid #ced4da;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s ease-in-out;
}

.calculator select:focus,
.calculator input[type='number']:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(4, 82, 61, 0.25);
  outline: none;
}

.calculator .hint {
  font-size: 12px;
  color: #6c757d;
  margin-top: 4px;
}

.calculator .controls {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.calculator button {
  padding: 10px 24px;
  border-radius: 4px;
  transition: all 0.3s ease;
  background: var(--primary-color);
  border: 2px solid var(--primary-color);
  color: #fff;
  cursor: pointer;
  font-weight: 500;
  min-width: 120px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  outline: none;
}

/* Use unified button system from main CSS */
.calculator button:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(4, 82, 61, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.calculator button:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(4, 82, 61, 0.15);
}

.calculator button:focus {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

.calculator button.btn-success {
  background: #28a745 !important;
  border-color: #28a745 !important;
  color: #fff !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.calculator button.btn-success:hover {
  background: #218838 !important;
  border-color: #218838 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.25);
}

.calculator button.btn-danger {
  background: #dc3545 !important;
  border-color: #dc3545 !important;
  color: #fff !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.calculator button.btn-danger:hover {
  background: #c82333 !important;
  border-color: #c82333 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.25);
}

.calculator .result {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 20px;
}

.calculator .metric {
  padding: 15px;
  background: #f8f9fa;
  border-radius: 6px;
  text-align: center;
}

.calculator .metric .k {
  font-size: 14px;
  color: #6c757d;
  margin-bottom: 5px;
}

.calculator .metric .v {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
}

.calculator table {
  width: 100%;
  margin-top: 20px;
  border-collapse: collapse;
}

.calculator th,
.calculator td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #dee2e6;
}

.calculator th {
  background: #f8f9fa;
  font-weight: 600;
  color: var(--primary-color);
}

.calculator tr:hover {
  background: #f8f9fa;
}

.hidden {
  display: none;
}

/* Form Styles */
.calculator-form .form-group {
  margin-bottom: 1.5rem;
}

.calculator-form label {
  font-weight: 500;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
  display: block;
}

.calculator-form input,
.calculator-form select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-size: 1rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.calculator-form input:focus,
.calculator-form select:focus {
  outline: 0;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(4, 82, 61, 0.25);
}

/* Button Styles - Unified System */
.btn-calculate {
  background: linear-gradient(135deg, var(--primary-color) 0%, #045a3d 100%);
  color: white;
  border: 1px solid var(--primary-color);
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  margin-bottom: 1rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-calculate::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

.btn-calculate:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #033d2a 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(4, 82, 61, 0.3);
  border-color: var(--primary-hover);
}

.btn-calculate:hover::before {
  left: 100%;
}

.btn-calculate:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(4, 82, 61, 0.2);
}

.btn-calculate:focus {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

.btn-export {
  background: linear-gradient(135deg, var(--success-color) 0%, #1e7e34 100%);
  color: white;
  border: 1px solid var(--success-color);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 0 0.25rem;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  outline: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-export::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

.btn-export:hover {
  background: linear-gradient(135deg, #218838 0%, #155724 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.25);
  border-color: #218838;
}

.btn-export:hover::before {
  left: 100%;
}

.btn-export:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(40, 167, 69, 0.15);
}

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

/* Results Section */
.results-section {
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  padding: 1.5rem;
  margin-top: 2rem;
}

.results-section h4 {
  color: var(--dark-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

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

.result-value {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.1rem;
}

/* Chart Container */
.chart-container {
  margin-top: 2rem;
  padding: 1rem;
  background: white;
  border-radius: 0.375rem;
  box-shadow: var(--shadow);
}

/* Modal Styles */
.modal-content {
  border-radius: 0.5rem;
  border: none;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem;
}

.modal-title {
  font-weight: 600;
  color: var(--dark-color);
  font-family: NBAFont;
  letter-spacing: 2px;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  right: 15px;
  bottom: 15px;
  z-index: 996;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.4s;
}

.back-to-top:hover {
  background: var(--primary-hover);
  color: #fff;
}

.back-to-top::before {
  content: "Back to top";
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 992px) {
  .calculator .controls {
    justify-content: center;
  }
  
  .calculator button {
    min-width: 140px;
    flex: 1;
    max-width: 200px;
  }

  .btn-export {
    margin: 0.25rem;
    flex: 1;
    min-width: 120px;
  }
}

/* Tablets */
@media (max-width: 768px) {
  .calculator-container {
    padding: 10px;
  }

  .calculator-card {
    padding: 1rem;
  }

  .calculator {
    padding: 20px;
  }

  .calculator-tabs .nav-pills {
    flex-direction: column;
    gap: 0.5rem;
  }

  .calculator-tabs .nav-pills .nav-link {
    margin: 2px 0;
    font-size: 0.875rem;
    text-align: center;
    width: 100%;
    padding: 0.875rem 1rem;
  }

  .result-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .calculator .result {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .calculator .controls {
    flex-direction: column;
    gap: 0.75rem;
  }

  .calculator button {
    width: 100%;
    margin-bottom: 0;
    padding: 12px 20px;
    font-size: 1rem;
    min-width: unset;
  }

  .btn-calculate {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }

  .btn-export {
    width: 48%;
    margin: 0.25rem 1%;
    display: inline-block;
    text-align: center;
    padding: 0.75rem 1rem;
  }

  /* Two export buttons per row on tablets */
  .calculator .controls .btn-export:nth-child(3) {
    margin-left: 1%;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  .calculator-container {
    padding: 5px;
  }

  .calculator {
    padding: 15px;
    margin-bottom: 15px;
  }

  .calculator h3 {
    font-size: 18px;
    text-align: center;
  }

  .calculator .form-group {
    margin-bottom: 15px;
  }

  .calculator select,
  .calculator input[type='number'] {
    padding: 12px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .calculator .result {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .calculator .metric {
    padding: 12px;
  }

  .calculator .metric .k {
    font-size: 12px;
  }

  .calculator .metric .v {
    font-size: 16px;
  }

  .calculator button {
    width: 100%;
    margin-bottom: 0;
    padding: 14px 20px;
    font-size: 1rem;
    min-height: 48px; /* Better touch target */
  }

  .btn-calculate {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-height: 48px;
    border-radius: 10px;
  }

  .btn-export {
    width: 100%;
    margin: 0.25rem 0;
    padding: 0.75rem 1rem;
    min-height: 44px;
    border-radius: 8px;
  }

  /* Stack export buttons vertically on mobile with spacing */
  .calculator .controls .btn-export {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }

  /* Better touch targets for mobile */
  .calculator button,
  .btn-calculate,
  .btn-export {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 44px;
  }

  /* Mobile button group spacing */
  .calculator .controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .calculator button:hover,
  .btn-calculate:hover,
  .btn-export:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(4, 82, 61, 0.2);
  }
  
  .calculator button:active,
  .btn-calculate:active,
  .btn-export:active {
    background: var(--primary-hover);
    transform: scale(0.98);
    transition: all 0.1s ease;
    transform: scale(0.98);
  }
  
  .btn-export:active {
    background-color: #1e7e34;
  }
}

/* Ensure buttons are always clickable */
.calculator button,
.btn-calculate,
.btn-export {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: auto;
  position: relative;
  z-index: 1;
}

/* Loading state for buttons */
.calculator button.loading,
.btn-calculate.loading,
.btn-export.loading {
  pointer-events: none;
  opacity: 0.7;
}

.calculator button.loading::after,
.btn-calculate.loading::after,
.btn-export.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error States */
.error-message {
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.input-error {
  border-color: var(--danger-color);
}

.input-error:focus {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Success States */
.success-message {
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Print Styles */
@media print {
  .calculator-tabs,
  .btn-export,
  .modal {
    display: none !important;
  }

  .calculator-card {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* Force Override Bootstrap Nav Pills Styles - Unified System */
.nav-pills#calculatorTabs .nav-link,
ul#calculatorTabs.nav-pills .nav-link {
  background: linear-gradient(135deg, var(--light-color) 0%, #f8f9fa 100%) !important;
  color: var(--dark-color) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  margin: 0 4px !important;
  font-weight: 500 !important;
  padding: 0.75rem 1.25rem !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
}

.nav-pills#calculatorTabs .nav-link::before,
ul#calculatorTabs.nav-pills .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

.nav-pills#calculatorTabs .nav-link:hover,
ul#calculatorTabs.nav-pills .nav-link:hover {
  background: linear-gradient(135deg, var(--accent-green) 0%, #059862 100%) !important;
  color: white !important;
  border-color: var(--accent-green) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(4, 82, 61, 0.25) !important;
}

.nav-pills#calculatorTabs .nav-link:hover::before,
ul#calculatorTabs.nav-pills .nav-link:hover::before {
  left: 100%;
}

.nav-pills#calculatorTabs .nav-link.active,
.nav-pills#calculatorTabs .nav-link.active:focus,
ul#calculatorTabs.nav-pills .nav-link.active,
ul#calculatorTabs.nav-pills .nav-link.active:focus {
  background: linear-gradient(135deg, var(--primary-color) 0%, #045a3d 100%) !important;
  border-color: var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 4px 15px rgba(4, 82, 61, 0.3) !important;
  transform: translateY(-1px) !important;
}

.nav-pills#calculatorTabs .nav-link.active:hover,
ul#calculatorTabs.nav-pills .nav-link.active:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #033d2a 100%) !important;
  border-color: var(--primary-hover) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(4, 82, 61, 0.35) !important;
}