/**
 * Global Calculator Styles
 * Reusable CSS for all price calculators
 * Optimized for performance and SEO
 */

/* ============================================
   CALCULATOR CONTAINER
   ============================================ */
.price-calculator-container {
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  border: 2px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(212, 175, 55, 0.1) inset;
  transition: all 0.3s ease;
  border-radius: 1rem;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.price-calculator-container:hover {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.2), 0 0 0 1px rgba(212, 175, 55, 0.2) inset;
}

/* ============================================
   CALCULATOR HEADER
   ============================================ */
.calc-header {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(245, 158, 11, 0.1));
  padding: 1.25rem 1.5rem;
  border-radius: 0.75rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.calc-header svg {
  filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.5));
  color: var(--gold-400);
  flex-shrink: 0;
}

.calc-header h3 {
  color: var(--gold-400);
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ============================================
   FORM GROUPS
   ============================================ */
.calc-group {
  margin-bottom: 1.75rem;
}

.calc-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #f5f5f5;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.calc-group label svg {
  width: 18px;
  height: 18px;
  color: var(--gold-400);
  opacity: 0.8;
  flex-shrink: 0;
}

/* ============================================
   INPUTS & SELECTS
   ============================================ */
.calc-input,
.calc-select {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-radius: 0.625rem;
  color: #ffffff;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
}

.calc-input:focus,
.calc-select:focus {
  outline: none;
  border-color: var(--gold-400);
  background: rgba(0, 0, 0, 0.8);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2), 0 4px 12px rgba(212, 175, 55, 0.3);
  transform: translateY(-1px);
}

.calc-input:hover,
.calc-select:hover {
  border-color: rgba(212, 175, 55, 0.4);
  background: rgba(0, 0, 0, 0.7);
}

.calc-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.calc-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23d4af37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
}

.calc-select option {
  background: #1a1a1a;
  color: #ffffff;
  padding: 0.5rem;
  white-space: normal;
  word-wrap: break-word;
}

/* ============================================
   SIZE INPUT GRID
   ============================================ */
.calc-size-input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.75rem;
  align-items: end;
}

.calc-unit-selector {
  min-width: 120px;
}

/* ============================================
   AREA DISPLAY
   ============================================ */
#calc-area-display {
  background: rgba(212, 175, 55, 0.1);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gold-400);
}

/* ============================================
   PRICE DISPLAY
   ============================================ */
.calc-price-display {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(245, 158, 11, 0.1));
  border: 2px solid var(--gold-400);
  border-radius: 1rem;
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.calc-price-display::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
  animation: calc-shimmer 3s infinite;
}

@keyframes calc-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.calc-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  transition: all 0.3s ease;
}

.calc-price-row:last-child {
  border-bottom: none;
  padding-top: 1.25rem;
  margin-top: 0.5rem;
  border-top: 2px solid rgba(212, 175, 55, 0.3);
}

.calc-price-row:hover {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  background: rgba(212, 175, 55, 0.05);
  border-radius: 0.5rem;
}

.calc-price-label {
  color: #e0e0e0;
  font-size: 1rem;
  font-weight: 500;
}

.calc-price-value {
  color: var(--gold-400);
  font-size: 1.35rem;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.calc-grand-total {
  color: var(--gold-400) !important;
  font-size: 2rem !important;
  font-weight: 800 !important;
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

/* ============================================
   USER FORM
   ============================================ */
.calc-user-form {
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.calc-user-form input {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-radius: 0.625rem;
  color: #ffffff;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.calc-user-form input:focus {
  outline: none;
  border-color: var(--gold-400);
  background: rgba(0, 0, 0, 0.8);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.calc-user-form input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.calc-submit-btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #d4af37, #f59e0b) !important;
  border: none !important;
  border-radius: 0.5rem;
  color: #1a1a1a !important;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
}

.calc-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5) !important;
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #1a1a1a !important;
}

.calc-submit-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4) !important;
}

.calc-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.calc-submit-btn:disabled:hover {
  transform: none !important;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3) !important;
}

/* ============================================
   SUCCESS MESSAGE
   ============================================ */
.calc-success-message {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-top: 1.5rem;
  color: #86efac;
  text-align: center;
  font-weight: 500;
}

/* ============================================
   INFO BOX
   ============================================ */
.calc-info-box {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #e0e0e0;
  line-height: 1.8;
}

.calc-info-box strong {
  color: var(--gold-400);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.calc-info-box p {
  margin: 0.75rem 0;
  padding-left: 1rem;
  position: relative;
}

.calc-info-box p::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--gold-400);
  font-weight: bold;
}

/* ============================================
   CHECKBOX STYLING
   ============================================ */
.calc-checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 0.5rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 1rem;
}

.calc-checkbox-group:hover {
  background: rgba(0, 0, 0, 0.4);
  border-color: rgba(212, 175, 55, 0.4);
}

.calc-checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--gold-400);
  flex-shrink: 0;
}

.calc-checkbox-group label {
  color: #f5f5f5;
  font-size: 0.95rem;
  cursor: pointer;
  margin: 0;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
}

.calc-checkbox-group input[type="checkbox"]:checked + label {
  color: var(--gold-400);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .price-calculator-container {
    padding: 1.5rem !important;
    margin-bottom: 1.5rem !important;
  }
  
  .calc-header {
    padding: 1rem;
    flex-wrap: wrap;
  }
  
  .calc-header h3 {
    font-size: 1.25rem !important;
  }
  
  .calc-group {
    margin-bottom: 1.5rem !important;
  }
  
  .calc-group label {
    font-size: 0.9rem !important;
    margin-bottom: 0.5rem !important;
  }
  
  .calc-input,
  .calc-select {
    padding: 1rem !important;
    font-size: 1rem !important;
    min-height: 48px !important;
  }
  
  .calc-size-input-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.5rem !important;
  }
  
  .calc-unit-selector {
    grid-column: 1 / -1 !important;
    width: 100% !important;
  }
  
  .calc-unit-selector .calc-select {
    width: 100% !important;
    font-size: 0.9rem !important;
    padding: 0.75rem 1rem !important;
    max-width: 100% !important;
  }
  
  .calc-select {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    word-wrap: break-word !important;
    white-space: normal !important;
  }
  
  .calc-select option {
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 0.5rem !important;
  }
  
  .calc-price-display {
    padding: 1.5rem !important;
  }
  
  .calc-price-value {
    font-size: 1.15rem !important;
    word-break: break-word !important;
  }
  
  .calc-price-label {
    font-size: 0.9rem !important;
  }
  
  .calc-grand-total {
    font-size: 1.5rem !important;
  }
  
  .calc-user-form {
    padding: 1.25rem !important;
    margin-top: 1.5rem !important;
  }
  
  .calc-user-form input {
    font-size: 1rem !important;
    padding: 1rem !important;
    min-height: 48px !important;
  }
  
  .calc-info-box {
    padding: 1.25rem !important;
    font-size: 0.85rem !important;
  }
  
  #calc-area-display {
    font-size: 0.95rem !important;
    padding: 0.5rem 0.75rem !important;
    margin-top: 0.5rem !important;
  }
}

@media (max-width: 480px) {
  .price-calculator-container {
    padding: 1rem !important;
  }
  
  .calc-header {
    padding: 0.75rem !important;
  }
  
  .calc-header h3 {
    font-size: 1.1rem !important;
  }
  
  .calc-input,
  .calc-select {
    font-size: 16px !important;
    padding: 0.875rem !important;
  }
  
  .calc-price-display {
    padding: 1rem !important;
  }
  
  .calc-price-value {
    font-size: 1rem !important;
  }
}