/* Variables for easy theming */
:root {
  --gsc-primary: #00be64;
  --gsc-primary-hover: #334155;
  --gsc-primary-light: #f1f5f9;
  --gsc-text-main: #193934;
  --gsc-text-muted: #64748b;
  --gsc-border: #e2e8f0;
  --gsc-bg-main: #ffffff;
  --gsc-bg-alt: #f8fafc;
  --gsc-success: #059669;
  --gsc-success-light: #ecfdf5;
  --gsc-radius-lg: 24px;
  --gsc-radius-md: 16px;
  --gsc-radius-sm: 12px;
  --gsc-shadow-sm:
    0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --gsc-shadow-md:
    0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --gsc-shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --gsc-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Container */
.gsc-calculator,
.gsc-wizard {
  background: var(--gsc-bg-main);
  border: 1px solid var(--gsc-border);
  padding: 2.5rem;
  border-radius: var(--gsc-radius-lg);
  max-width: 100%;
  margin: 0 auto;
  box-shadow: var(--gsc-shadow-lg);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  color: var(--gsc-text-main);
  box-sizing: border-box;
  position: relative;
}

.gsc-calculator *,
.gsc-wizard * {
  box-sizing: inherit;
}

.gsc-wizard h3,
.gsc-calculator h3 {
  margin: 0 0 2rem;
  font-size: 1.4rem !important;
  font-weight: 800;
  color: var(--gsc-text-main);
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.gsc-wizard-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.gsc-wizard-header h3 {
  margin: 0;
}

.gsc-back-btn-top {
  background: none;
  border: none;
  color: var(--gsc-text-muted);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--gsc-transition);
}

.gsc-back-btn-top:hover {
  background: var(--gsc-bg-alt);
  color: var(--gsc-text-main);
}

.gsc-back-btn-top svg {
  width: 24px;
  height: 24px;
}

/* Form Fields */
.gsc-field {
  margin-bottom: 1.5rem;
}

.gsc-field label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--gsc-text-main);
  font-size: 0.95rem;
}

.gsc-field input,
.gsc-field select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--gsc-border);
  border-radius: var(--gsc-radius-sm);
  background-color: var(--gsc-bg-alt);
  font-size: 1rem;
  color: var(--gsc-text-main);
  transition: var(--gsc-transition);
  appearance: none;
}

.gsc-field select {
  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 8l4 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;
}

.gsc-field input:focus,
.gsc-field select:focus {
  outline: none;
  border-color: var(--gsc-primary);
  background-color: var(--gsc-bg-main);
  box-shadow: 0 0 0 4px var(--gsc-primary-light);
}

/* Results Box */
.gsc-results {
  padding: 2rem;
  margin: 2.5rem 0;
  border-radius: var(--gsc-radius-md);
  background-color: var(--gsc-success-light);
  border: 2px solid #a7f3d0;
  position: relative;
  overflow: hidden;
}

.gsc-results::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background-color: var(--gsc-success);
}

.gsc-results p {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed #a7f3d0;
  padding-bottom: 0.75rem;
  color: #065f46;
}

.gsc-results p span.gsc-result-value {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.gsc-results p:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.gsc-results strong {
  font-size: 1.5rem;
  color: var(--gsc-success);
  font-weight: 800;
}

.gsc-note {
  font-size: 0.875rem !important;
  color: #047857 !important;
  margin-top: 1.5rem !important;
  border-top: 1px solid #a7f3d0;
  padding-top: 1rem !important;
  display: block !important;
  text-align: center;
  opacity: 0.9;
}

/* Grids */
.gsc-product-grid,
.gsc-format-grid,
.gsc-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* Cards */
.gsc-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: center;
  padding: 1.25rem;
  background: var(--gsc-bg-main);
  border: 2px solid var(--gsc-border);
  border-radius: var(--gsc-radius-md);
  cursor: pointer;
  transition: var(--gsc-transition);
  position: relative;
  overflow: hidden;
  outline: none;
}

.gsc-product-grid .gsc-card {
  padding: 0;
  gap: 0;
}

.gsc-product-grid .gsc-card img {
  margin-bottom: 0;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  height: 200px;
}

.gsc-product-grid .gsc-card strong {
  padding: 1rem;
  font-size: 1rem;
}

.gsc-card:hover,
.gsc-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--gsc-shadow-md);
  border-color: var(--gsc-primary);
}

.gsc-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--gsc-radius-sm);
  background-color: var(--gsc-bg-alt);
  margin-bottom: 0.5rem;
}

.gsc-card strong {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gsc-text-main);
}

.gsc-card span {
  font-size: 0.9rem;
  color: var(--gsc-text-muted);
  line-height: 1.4;
}

/* Selected State */
.gsc-card.is-selected {
  border-color: var(--gsc-primary);
  background-color: var(--gsc-primary-light);
  box-shadow: 0 0 0 2px var(--gsc-primary);
}

.gsc-card.is-selected::after {
  content: "✓";
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gsc-primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
  box-shadow: var(--gsc-shadow-sm);
}

/* Quantity Pills */
.gsc-quantity-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.gsc-pill {
  padding: 0.875rem 1.5rem;
  background: var(--gsc-bg-main);
  border: 2px solid var(--gsc-border);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--gsc-text-main);
  transition: var(--gsc-transition);
  outline: none;
}

.gsc-pill:hover,
.gsc-pill:focus-visible {
  border-color: var(--gsc-primary);
  background: var(--gsc-bg-alt);
  transform: translateY(-2px);
}

.gsc-pill.is-selected {
  background: var(--gsc-primary);
  border-color: var(--gsc-primary);
  color: white;
  box-shadow: var(--gsc-shadow-md);
}

/* Progress Bar */
.gsc-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  position: relative;
  padding: 0 1rem;
}

.gsc-progress::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2rem;
  right: 2rem;
  height: 3px;
  background: var(--gsc-border);
  z-index: 1;
  transform: translateY(-50%);
  border-radius: 3px;
}

.gsc-progress-step {
  position: relative;
  z-index: 2;
  background: var(--gsc-bg-main);
  padding: 0.5rem 1.25rem;
  border: 3px solid var(--gsc-border);
  border-radius: 999px;
  font-weight: 700;
  color: var(--gsc-text-muted);
  font-size: 0.95rem;
  transition: var(--gsc-transition);
  cursor: pointer;
}

.gsc-progress-step:hover {
  border-color: var(--gsc-primary-hover);
  color: var(--gsc-primary-hover);
}

.gsc-progress-step.is-active {
  border-color: var(--gsc-primary);
  color: var(--gsc-primary);
  background: var(--gsc-bg-main);
  box-shadow: 0 0 0 4px var(--gsc-primary-light);
}

/* Wizard Steps */
.gsc-wizard-step {
  display: none;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gsc-wizard-step.is-active {
  display: block;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons & Actions */
.gsc-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gsc-border);
}

.gsc-actions button,
.gsc-calculator > button {
  padding: 1rem 2rem;
  border-radius: var(--gsc-radius-sm);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: var(--gsc-transition);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.gsc-actions button[data-gsc-back-step] {
  background: var(--gsc-bg-main);
  color: var(--gsc-text-main);
  border: 2px solid var(--gsc-border);
}

.gsc-actions button[data-gsc-back-step]:hover {
  background: var(--gsc-bg-alt);
  border-color: var(--gsc-text-muted);
}

.gsc-actions button.alt,
.gsc-calculator > button.alt {
  background: var(--gsc-primary);
  color: white;
  flex: 1;
  box-shadow: var(--gsc-shadow-md);
}

.gsc-actions button.alt:hover,
.gsc-calculator > button.alt:hover {
  background: var(--gsc-primary-hover);
  box-shadow: var(--gsc-shadow-lg);
  transform: translateY(-2px);
}

.gsc-calculator > button.alt {
  width: 100%;
  margin-top: 1.5rem;
}

/* Messages */
.gsc-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--gsc-bg-alt);
  border: 2px dashed var(--gsc-border);
  border-radius: var(--gsc-radius-md);
  color: var(--gsc-text-muted);
  font-size: 1.1rem;
}

.gsc-message {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--gsc-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  display: none;
  animation: slideUp 0.3s ease;
}

.gsc-message:not(:empty) {
  display: block;
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Responsive */
@media (max-width: 640px) {
  .gsc-calculator,
  .gsc-wizard {
    padding: 1.5rem;
    margin: 0 auto;
    border-radius: var(--gsc-radius-md);
  }

  .gsc-progress {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0;
    margin-bottom: 2rem;
  }

  .gsc-progress::before {
    display: none;
  }

  .gsc-progress-step {
    text-align: center;
    border-radius: var(--gsc-radius-sm);
    border-width: 2px;
  }

  .gsc-actions {
    flex-direction: column-reverse;
  }

  .gsc-actions button {
    width: 100%;
  }

  .gsc-results p {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}