:root {
  --transition: 150ms ease;
}

@keyframes pinPulse {
  0%,
  100% {
    transform: scale(1);
    fill: #000000;
  }
  50% {
    transform: scale(1.15);
    fill: #222222;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg, #ffffff);
  color: var(--fg, #090909);
  transition: background-color var(--transition), color var(--transition);
  display: flex;
  flex-direction: column;
}

body.light {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6f6f6f;
  --border: #d8d8d8;
  --surface: rgba(255, 255, 255, 0.96);
  --accent: #111111;
  --accent-contrast: #ffffff;
  --fill-soft: rgba(0, 0, 0, 0.02);
  --fill-muted: rgba(0, 0, 0, 0.06);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

body.dark {
  --bg: #080808;
  --fg: #f5f5f5;
  --muted: #b5b5b5;
  --border: #1f1f1f;
  --surface: rgba(12, 12, 12, 0.92);
  --accent: #f5f5f5;
  --accent-contrast: #080808;
  --fill-soft: rgba(255, 255, 255, 0.04);
  --fill-muted: rgba(255, 255, 255, 0.09);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.6);
}

a {
  color: inherit;
  text-decoration: none;
}

.app-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px clamp(20px, 6vw, 64px) 16px;
}

.logo {
  font-family: "Press Start 2P", monospace;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: 4px;
  text-transform: lowercase;
  color: var(--fg);
  padding-bottom: 6px;
}

.header-actions {
  position: absolute;
  right: clamp(20px, 6vw, 64px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
}

.faq-link {
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: lowercase;
  color: var(--muted);
  transition: color var(--transition);
}

.faq-link:hover,
.faq-link.active {
  color: var(--fg);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  border-radius: 999px;
  padding: 6px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  border-color: var(--fg);
  transform: translateY(-2px);
}

.theme-toggle-icon {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transition: background-color var(--transition), box-shadow var(--transition), clip-path var(--transition);
}

body.light .theme-toggle-icon {
  background: var(--accent-contrast);
  box-shadow: 0 0 0 2px var(--accent);
}

body.dark .theme-toggle-icon {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-contrast);
  clip-path: inset(0 0 0 6px round 50%);
}

.content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(24px, 5vw, 80px);
}

.upload-card,
.download-card,
.faq-card,
.not-found-card {
  width: min(560px, 100%);
  padding: clamp(32px, 6vw, 48px);
  border-radius: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.upload-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.region-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.region-label {
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: lowercase;
  color: var(--muted);
}

.region-select {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 18px;
  background: transparent;
  color: var(--fg);
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  outline: none;
  transition: border-color var(--transition), transform var(--transition);
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 4px), calc(100% - 12px) calc(50% - 4px);
  background-size: 6px 6px;
  background-repeat: no-repeat;
}

.region-select:focus {
  border-color: var(--fg);
  transform: translateY(-1px);
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 28px;
  min-height: clamp(220px, 40vw, 320px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--fill-soft);
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
}

.dropzone:hover,
.dropzone:focus-within {
  border-color: var(--fg);
  transform: translateY(-2px);
}

.dropzone.dragging {
  border-color: var(--fg);
  background: var(--fill-muted);
}

.dropzone-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
}

.dropzone-icon {
  font-size: 2rem;
}

.dropzone-title {
  font-size: 1.2rem;
  letter-spacing: 2px;
  text-transform: lowercase;
  color: var(--fg);
}

.dropzone-hint {
  margin: 0;
  font-size: 0.9rem;
}

.dropzone-cap {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.6px;
  text-transform: lowercase;
}

.file-name {
  font-size: 0.85rem;
  color: var(--fg);
  letter-spacing: 0.5px;
  word-break: break-word;
}

.key-input {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  background: transparent;
  color: var(--fg);
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  outline: none;
  transition: border-color var(--transition), transform var(--transition);
}

.key-input:focus {
  border-color: var(--fg);
  transform: translateY(-1px);
}

.upload-button,
.download-button,
.copy-button,
.key-submit-button {
  border: none;
  border-radius: 18px;
  padding: 16px 22px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: lowercase;
  cursor: pointer;
  width: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.upload-button:hover,
.download-button:hover,
.copy-button:hover,
.key-submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(12, 12, 18, 0.18);
}

.download-button.busy {
  pointer-events: none;
}

.progress-wrapper {
  display: grid;
  gap: 8px;
}

.hidden {
  display: none !important;
}

.progress-track {
  position: relative;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width 150ms linear;
}

.progress-label {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: lowercase;
}

.download-card {
  align-items: stretch;
}

.download-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  width: min(960px, 100%);
}

@media (min-width: 900px) {
  .download-layout {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.85fr);
    align-items: start;
  }

  .download-card {
    justify-self: start;
  }

  .map-pane {
    padding-left: clamp(24px, 5vw, 80px);
    margin-left: clamp(12px, 3vw, 48px);
  }
}

.download-title {
  font-size: 1.5rem;
  letter-spacing: 2px;
  text-transform: lowercase;
  text-align: center;
}

.file-info {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--fill-soft);
}

.file-name-display {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

.file-size-display {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 1px;
}

.file-region-display {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: lowercase;
}

.map-pane {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: center;
  text-transform: lowercase;
}

.map-frame {
  position: relative;
  width: clamp(260px, 32vw, 360px);
  height: clamp(220px, 30vw, 300px);
  aspect-ratio: 1603 / 742;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.map-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: grayscale(1) contrast(1.08) brightness(0.9);
}

.map-pin-circle {
  fill: #000000;
  stroke: #000000;
  stroke-width: 2;
  transform-origin: center;
  transform-box: fill-box;
  animation: pinPulse 1.5s ease-in-out infinite;
}

.map-caption {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--muted);
}

.map-caption span {
  color: var(--fg);
}

.key-lock-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(12px);
  background: rgba(8, 8, 8, 0.45);
  z-index: 20;
  padding: 24px;
}

.key-lock-overlay.visible {
  display: flex;
}

.key-lock-overlay.hidden {
  display: none;
}

.key-dialog {
  width: min(360px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
  display: grid;
  gap: 18px;
  text-align: center;
}

.key-dialog-title {
  margin: 0;
  font-size: 1.1rem;
  text-transform: lowercase;
  letter-spacing: 1px;
}

.key-dialog-body {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.key-input-field {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  background: transparent;
  color: var(--fg);
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  outline: none;
  transition: border-color var(--transition);
}

.key-input-field:focus {
  border-color: var(--fg);
}

.key-feedback {
  margin: 0;
  min-height: 18px;
  font-size: 0.85rem;
  color: var(--muted);
  opacity: 0;
  transition: opacity var(--transition);
}

.key-feedback.show {
  opacity: 1;
  color: var(--fg);
}

.faq-card {
  align-items: stretch;
}

.faq-title {
  margin: 0;
  text-transform: lowercase;
  letter-spacing: 2px;
  text-align: center;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  background: var(--fill-soft);
  display: grid;
  gap: 12px;
}

.faq-question {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: lowercase;
}

.faq-answer {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.not-found-title {
  margin: 0;
  text-transform: lowercase;
  letter-spacing: 2px;
}

.not-found-text {
  margin: 0;
  text-align: center;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  z-index: 10;
}

.modal.show {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 18, 0.25);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  color: var(--muted);
  cursor: pointer;
}

.modal-title {
  margin: 0;
  text-transform: lowercase;
  letter-spacing: 1px;
}

.modal-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.download-link {
  display: block;
  padding: 14px;
  border-radius: 16px;
  background: var(--fill-soft);
  border: 1px solid var(--border);
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--fg);
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

@media (max-width: 899px) {
  .download-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .map-frame {
    width: min(360px, 100%);
  }
}
*** End of File