/* ============================================
   CSS Design System - ChatGPT Plus Checkout
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #0F1117;
  color: #ffffff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0F1117;
}
::-webkit-scrollbar-thumb {
  background: #2A2D3A;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3A3D4A;
}

/* --- Layout --- */
.page-wrapper {
  min-height: 100vh;
  background-color: #0F1117;
}

.header {
  border-bottom: 1px solid #1E2028;
  background-color: #0F1117;
}

.header-inner {
  max-width: 42rem;
  margin: 0 auto;
  padding: 20px 16px;
}

.header-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
}

.header-subtitle {
  font-size: 0.75rem;
  color: #6B7280;
  margin-top: 2px;
}

.main-content {
  max-width: 42rem;
  margin: 0 auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --- Cards --- */
.card {
  background-color: #1A1B26;
  border-radius: 12px;
  border: 1px solid #2A2D3A;
  padding: 20px;
  transition: border-color 0.2s ease;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
}

.card-instruction {
  font-size: 0.75rem;
  color: #6B7280;
  margin-bottom: 8px;
}

.card-instruction strong {
  color: #ffffff;
}

/* --- Buttons --- */
.btn-primary-sm {
  background-color: #3B82F6;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary-sm:hover {
  background-color: #2563EB;
}

.btn-generate {
  width: 100%;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.875rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-generate:not(.disabled) {
  background-color: #3B82F6;
  color: #ffffff;
}

.btn-generate:not(.disabled):hover {
  background-color: #2563EB;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-generate:not(.disabled):active {
  transform: translateY(0);
}

.btn-generate.disabled {
  background-color: #2A2D3A;
  color: #4A4E5E;
  cursor: not-allowed;
}

.btn-generate.loading {
  background-color: #3B82F6;
  color: #ffffff;
  cursor: wait;
}

/* --- Token Input --- */
.token-textarea {
  width: 100%;
  background-color: #0F1117;
  border: 1px solid #2A2D3A;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.75rem;
  color: #ffffff;
  resize: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.token-textarea::placeholder {
  color: #4A4E5E;
}

.token-textarea:focus {
  border-color: #3B82F6;
  box-shadow: 0 0 0 1px #3B82F6;
}

.token-extracted-msg {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: #4ADE80;
}

/* --- Region Selection --- */
.region-group-label {
  font-size: 10px;
  color: #6B7280;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .region-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.region-btn {
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #2A2D3A;
  background-color: #0F1117;
  color: #6B7280;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.region-btn:hover {
  border-color: rgba(59, 130, 246, 0.4);
}

.region-btn.selected {
  border-color: #3B82F6;
  background-color: #172554;
  color: #ffffff;
}

.region-btn.eu:hover {
  border-color: rgba(245, 158, 11, 0.4);
}

.region-btn.eu.selected {
  border-color: #F59E0B;
  background-color: #451a03;
  color: #ffffff;
}

.region-btn-label {
  font-weight: 500;
}

.region-btn-tag {
  opacity: 0.5;
  margin-top: 2px;
  font-size: 10px;
}

/* --- Error --- */
.error-box {
  background-color: #2D1215;
  border: 1px solid #5C1E24;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #FCA5A5;
  word-break: break-all;
  animation: fadeIn 0.2s ease;
}

/* --- Result Section --- */
.result-card {
  background-color: #1A1B26;
  border-radius: 12px;
  border: 1px solid #065f46;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.3s ease;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.result-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
}

.result-tags {
  display: flex;
  gap: 8px;
}

.tag-entity {
  background-color: #022c22;
  border: 1px solid #065f46;
  color: #34D399;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 9999px;
}

.tag-region {
  background-color: #2A2D3A;
  color: #6B7280;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 9999px;
}

.result-link-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-link-label {
  font-size: 10px;
  color: #6B7280;
  display: flex;
  align-items: center;
  gap: 6px;
}

.result-link-label .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green { background-color: #22C55E; }
.status-dot.blue { background-color: #3B82F6; }
.status-dot.amber { background-color: #F59E0B; }

.result-url-box {
  background-color: #0F1117;
  border: 1px solid #2A2D3A;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: #4ADE80;
  word-break: break-all;
}

.result-url-box.secondary {
  color: #6B7280;
}

.btn-open-stripe {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #22C55E;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease;
  width: fit-content;
  font-family: inherit;
  text-decoration: none;
}

.btn-open-stripe:hover {
  background-color: #16A34A;
}

.btn-open-checkout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #2A2D3A;
  color: #D1D5DB;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease;
  width: fit-content;
  font-family: inherit;
  text-decoration: none;
}

.btn-open-checkout:hover {
  background-color: #3A3D4A;
}

.backup-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid #2A2D3A;
  padding-top: 12px;
}

.backup-note {
  font-size: 10px;
  color: #6B7280;
  background-color: #1e1a0a;
  border: 1px solid #44330a;
  border-radius: 8px;
  padding: 8px 12px;
  line-height: 1.625;
}

.backup-note .amber-text {
  color: #F59E0B;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.backup-note strong {
  color: #ffffff;
}

.btn-backup {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #44330a;
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease;
  width: fit-content;
  font-family: inherit;
  text-decoration: none;
}

.btn-backup:hover {
  background-color: #5a4510;
}

/* Raw Data Toggle */
.raw-data-toggle {
  font-size: 10px;
  color: #4A4E5E;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease;
}

.raw-data-toggle:hover {
  color: #6B7280;
}

.raw-data-pre {
  margin-top: 8px;
  background-color: #0F1117;
  border: 1px solid #2A2D3A;
  border-radius: 8px;
  padding: 12px;
  font-size: 10px;
  color: #6B7280;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
}

/* --- Instruction Card --- */
.instruction-card {
  margin-bottom: 24px;
}

.instruction-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.instruction-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.75rem;
  color: #6B7280;
}

.instruction-item {
  display: flex;
  gap: 4px;
}

.instruction-item strong {
  color: #ffffff;
}

.dot {
  flex-shrink: 0;
}

.dot.blue {
  color: #3B82F6;
}

.dot.amber {
  color: #F59E0B;
}

/* --- Loading spinner --- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
}

.spinner circle {
  opacity: 0.25;
}

.spinner path {
  opacity: 0.75;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Selection highlight for region buttons --- */
.region-btn:focus {
  outline: none;
}

.region-btn:focus-visible {
  outline: 2px solid #3B82F6;
  outline-offset: 2px;
}

/* Smooth entry animation for cards */
.card {
  animation: fadeIn 0.3s ease;
}