@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap");

:root {
  --inline-space: 1ch;
  --inline-space-half: calc(var(--inline-space) / 2);
  --inline-space-double: calc(var(--inline-space) * 2);
  --block-space: 1rem;
  --block-space-half: calc(var(--block-space) / 2);
  --block-space-double: calc(var(--block-space) * 2);

  --color-canvas: #f2f2f2;
  --color-panel: #f9f9f9;
  --color-panel-overlay: #f8f8f8;
  --color-ink: #222222;
  --color-ink-soft: #5b6961;
  --color-border: #2f2f2f;
  --color-muted-border: #dddddd;
  --color-success: #1f2f26;
  --color-danger: #a23324;

  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --focus-ring: 2px solid #2563eb;
  --shadow: 0 0 0 1px rgb(34 34 34 / 6%), 0 0.35rem 1rem rgb(34 34 34 / 8%);
  --radius-panel: 0;
  --radius-control: 0;

  --inline-label-width: 140px;
  --scrollbar-size: 12px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: radial-gradient(circle at top left, #fbfbfb, var(--color-canvas));
}

.page {
  display: grid;
  grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
  min-height: 100vh;
  gap: 0.8rem;
  padding: 1.2rem;
}

.panel {
  background-color: var(--color-panel);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
}

.controls.panel,
.preview.panel {
  border: 0;
  border-radius: 0;
}

.txt-title {
  margin: 0;
  font-size: 1.05rem;
  text-align: center;
  border: 3px solid var(--color-border);
  border-radius: var(--radius-control);
  padding: 0.45rem 0.6rem;
  background: var(--color-panel);
}

.map-title {
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 120ms ease;
}

.map-title:hover,
.map-title:focus-visible {
  background: var(--color-border);
  color: #ffffff;
}

.map-title:active {
  background: #1a1a1a;
  border-color: #1a1a1a;
  transform: translateY(1px);
}

.map-title:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 1px;
}

.txt-label,
label {
  font-size: 0.8rem;
  font-weight: 600;
}

.field-input,
.field-select,
button,
a,
input,
select {
  width: 100%;
  border-radius: 0;
  border: 3px solid var(--color-border);
  padding: 0.35rem 0.6rem;
  font: inherit;
  background: #ffffff;
  color: var(--color-ink);
}

.field-input:focus-visible,
.field-select:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 1px;
}

.btn {
  cursor: pointer;
  font-weight: 600;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 120ms ease;
}

.btn--plain {
  background: #ffffff;
}

button:hover,
button:focus-visible,
.btn:hover,
.btn:focus-visible {
  background: var(--color-border);
  color: #ffffff;
}

button:active,
.btn:active {
  background: #1a1a1a;
  border-color: #1a1a1a;
  transform: translateY(1px);
}

.controls {
  padding: 0.9rem;
  display: grid;
  align-content: start;
  gap: 0.5rem;
  max-height: calc(100vh - 2.4rem);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  padding-right: calc(1rem + var(--scrollbar-size));
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-muted-border);
}

.controls::-webkit-scrollbar {
  width: var(--scrollbar-size);
}

.controls::-webkit-scrollbar-track {
  background: var(--color-muted-border);
  border-radius: 0;
}

.controls::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 0;
  border: 2px solid var(--color-muted-border);
}

.coords-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.button-stack {
  display: grid;
  gap: 0.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  justify-content: center;
}

.footer-links > * {
  position: relative;
}

.footer-links .privacy-link {
  width: auto;
  padding: 0;
  border: 0;
}

.footer-links > *:not(:last-child)::after {
  content: "|";
  margin-left: 0.4rem;
  color: var(--color-ink-soft);
}

.route-file-message {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.25;
  color: var(--color-success);
  white-space: normal;
  overflow-wrap: anywhere;
}

.route-file-message.error {
  color: var(--color-danger);
}

.control-group {
  display: grid;
  gap: 0.35rem;
}

.inline-control {
  grid-template-columns: var(--inline-label-width) minmax(0, 1fr);
  align-items: center;
  column-gap: 0.55rem;
}

.toggle-control {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 0.45rem;
}

.toggle-control input[type="checkbox"] {
  width: 18px;
  height: 18px;
  justify-self: end;
}

.location-row {
  display: grid;
  grid-template-columns: var(--inline-label-width) minmax(0, 1fr);
  align-items: end;
  gap: 0.45rem;
}

.location-inputs {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.location-row #locationMode {
  align-self: end;
}

.coords-row > div {
  display: grid;
  gap: 0.2rem;
}

.location-feedback {
  margin-left: calc(var(--inline-label-width) + 0.45rem);
}

.meta-row {
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  gap: 0.6rem;
}

.meta-row .control-group > label {
  min-height: 1.15rem;
  display: flex;
  align-items: end;
}

.theme-palette-panel {
  margin-top: 0.1rem;
}

.theme-palette-toggle {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-palette-toggle::-webkit-details-marker {
  display: none;
}

.theme-palette-panel .theme-palette-toggle::before {
  content: "▾";
  font-size: 1rem;
}

.theme-palette-panel:not([open]) .theme-palette-toggle::before {
  content: "▸";
}

.theme-palette {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.theme-palette-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px 104px;
  align-items: center;
  gap: 0.45rem;
}

.theme-palette-item label {
  font-size: 0.74rem;
  font-weight: 600;
}

.theme-palette-item--grain {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 76px;
}

.theme-palette-item--title-controls {
  grid-template-columns: 140px minmax(0, 1fr) 16px;
  gap: 0.6rem;
}

.theme-palette-item--line-row {
  position: relative;
  margin-top: 0.35rem;
  padding-top: 0.55rem;
}

.theme-palette-item--line-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(20, 30, 28, 0.18);
}

.theme-palette-item--line-row-first {
  margin-top: 0;
  padding-top: 0;
}

.theme-palette-item--line-row-first::before {
  content: none;
}

.theme-palette-divider {
  grid-column: 1 / -1;
  height: 1px;
  margin: 0.2rem 0 0.45rem;
  background: rgba(20, 30, 28, 0.18);
}

.theme-palette-item--title-controls .title-text-label {
  margin-right: 0;
  white-space: nowrap;
}

.theme-palette-item--title-controls input.title-text-input {
  width: 100%;
  max-width: 520px;
  justify-self: start;
  text-transform: none;
  letter-spacing: normal;
}

.theme-palette-item--title-controls input[type="checkbox"] {
  width: 18px;
  height: 18px;
  justify-self: end;
}

.theme-palette-item--title-controls input[type="number"] {
  width: 100%;
  min-width: 0;
}

.theme-palette-item input[type="color"] {
  width: 44px;
  min-width: 44px;
  height: 34px;
  padding: 0.12rem;
  border-radius: 0;
}

.theme-palette-item input[type="range"] {
  width: 100%;
}

.theme-palette-item input[type="text"] {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.theme-palette-item--title-controls input[type="text"].title-text-input {
  text-transform: none;
  letter-spacing: normal;
}

.theme-palette-item input[type="number"] {
  font-size: 0.74rem;
}

.theme-palette-item input[type="text"].is-invalid,
.theme-palette-item input[type="number"].is-invalid {
  border-color: var(--color-danger);
}

.status {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  min-height: 1.2rem;
}

.panel-footer {
  margin-top: auto;
  padding-top: 0.3rem;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.button-row--bulk {
  grid-template-columns: minmax(0, 1fr);
}

.button-row--single {
  grid-template-columns: minmax(0, 1fr);
}

.button-row--dual {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-section {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.4rem;
}

.download-section-label {
  margin: 0;
  display: block;
}

.preview {
  padding: 0.8rem;
  display: grid;
  justify-items: stretch;
  align-items: stretch;
  height: calc(100vh - 2.4rem);
}

.preview-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  border: 3px solid var(--color-border);
  border-radius: 0;
  padding: 0.1rem;
  background: var(--color-panel);
}

#osmPreview,
#styledPreview {
  width: 100%;
  height: 100%;
  border-radius: 0;
  border: 0;
  overflow: hidden;
  background: var(--color-canvas);
}

#styledPreview {
  display: grid;
  place-items: center;
}

#styledPreview:focus {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

#styledPreview svg #textGroupSelectionRect {
  fill: rgba(255, 255, 255, 0.18);
  stroke: var(--color-border);
  stroke-width: 2;
  stroke-dasharray: 6 4;
}

#osmPreview {
  width: min(100%, 300px);
  height: auto;
  aspect-ratio: 1 / 1;
  border: 3px solid var(--color-border);
  border-radius: 0;
  cursor: zoom-in;
  justify-self: center;
}

.osm-rail {
  border-radius: 0;
  padding: 0;
}

.osm-modal,
.gallery-modal,
.processing-modal,
.privacy-modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  padding: 1.2rem;
  margin: 0;
  border: 0;
  border-radius: 0;
}

.osm-modal {
  background: rgb(0 0 0 / 58%);
}

.gallery-modal {
  background: rgb(0 0 0 / 68%);
  display: grid;
  place-items: center;
}

.processing-modal {
  background: rgb(0 0 0 / 64%);
  display: grid;
  place-items: center;
}

.privacy-modal {
  background: rgb(0 0 0 / 62%);
  display: grid;
  place-items: center;
}

.osm-modal-dialog {
  width: min(1200px, 96vw);
  height: min(850px, 92vh);
  background: var(--color-panel-overlay);
  border: 3px solid var(--color-border);
  border-radius: 0;
  padding: 0.6rem;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.45rem;
}

.osm-modal-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.osm-modal-controls {
  display: grid;
  grid-template-columns: auto 1fr 120px auto;
  align-items: center;
  gap: 0.5rem;
}

.osm-modal-tip {
  font-size: 0.82rem;
  font-weight: 600;
}

.osm-modal-radius-label {
  margin: 0;
}

.osm-modal-toolbar input[type="range"] {
  padding: 0;
  border: 0;
  background: transparent;
}

.osm-modal-close {
  width: 110px;
  justify-self: end;
}

.gallery-modal-dialog {
  width: min(1080px, 94vw);
  max-height: 92vh;
  height: auto;
  background: var(--color-panel-overlay);
  border: 3px solid var(--color-border);
  border-radius: 0;
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.6rem;
  padding: 0.7rem;
}

.privacy-modal-dialog {
  width: min(820px, 94vw);
  max-height: 90vh;
  background: var(--color-panel-overlay);
  border: 3px solid var(--color-border);
  border-radius: 0;
  display: grid;
  gap: 0.7rem;
  padding: 0.9rem;
}

.processing-modal-dialog {
  width: min(360px, 92vw);
  background: var(--color-panel-overlay);
  border: 3px solid var(--color-border);
  border-radius: 0;
  padding: 1rem 1.1rem;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
}

.processing-modal-title {
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.processing-modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 30px;
  height: 30px;
  border-radius: 0;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-ink);
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.processing-modal-close:hover {
  background: var(--color-panel-overlay);
}

.processing-modal-close:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.processing-modal-spinner {
  width: 38px;
  height: 38px;
  margin: 0.8rem auto 0;
  border-radius: 50%;
  border: 3px solid rgb(0 0 0 / 12%);
  border-top-color: var(--color-border);
  animation: processing-spin 0.9s linear infinite;
}

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

.privacy-modal-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.5rem;
}

.privacy-modal-title {
  font-size: 1rem;
  line-height: 1.3;
}

.privacy-modal-content {
  display: grid;
  gap: 0.6rem;
  max-height: 70vh;
  overflow: auto;
  padding-right: 0.3rem;
  font-size: 0.84rem;
  color: var(--color-text);
}

.privacy-modal-content p {
  margin: 0;
}

.privacy-markdown {
  display: grid;
  gap: 0.6rem;
}

.privacy-markdown h2,
.privacy-markdown h3,
.privacy-markdown h4 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.privacy-markdown h2 {
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
}

.privacy-markdown ul,
.privacy-markdown ol {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.25rem;
}

.privacy-markdown a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.privacy-faq {
  display: grid;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.6rem;
}

.privacy-faq-footer {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-ink-soft);
}

.privacy-section-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.privacy-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.25rem;
}

.privacy-link {
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  justify-self: start;
  cursor: pointer;
}

.privacy-link:hover {
  color: var(--color-ink-soft);
}

.privacy-link:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.privacy-footer-label {
  font-size: 0.78rem;
  color: var(--color-ink-soft);
}

.support-note {
  margin: 0.5rem 0 0;
  font-size: 0.74rem;
  text-align: center;
  color: var(--color-ink-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.support-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.support-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  white-space: nowrap;
}

.support-link:hover {
  color: var(--color-ink);
}

.privacy-email-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.privacy-email-link:hover {
  color: var(--color-ink-soft);
}

.gallery-modal-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.5rem;
}

.gallery-theme-name {
  font-size: 1rem;
  line-height: 1.25;
}

.gallery-modal-controls {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 0.45rem;
}

.gallery-modal-controls button {
  width: auto;
  min-width: 100px;
}

.gallery-modal-close {
  min-width: 96px;
}

.gallery-modal-stage {
  height: auto;
  max-height: calc(92vh - 140px);
  border: 3px solid var(--color-border);
  border-radius: 0;
  background: #ececec;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5rem;
}

#galleryImage {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(92vh - 170px);
  object-fit: contain;
  object-position: center;
}

#osmPreview .center-marker,
#osmPreviewLarge .center-marker {
  background: transparent;
  border: none;
}

#osmPreview .center-marker--hidden,
#osmPreviewLarge .center-marker--hidden {
  display: none;
}

#osmPreview .center-marker svg,
#osmPreviewLarge .center-marker svg {
  display: block;
  filter: drop-shadow(0 1px 2px rgb(10 127 90 / 28%));
}

.title-line-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

.title-line-row input[type="checkbox"] {
  width: 24px;
  height: 24px;
}

#osmPreviewLarge {
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-border);
  border-radius: 0;
  overflow: hidden;
  background: var(--color-canvas);
}

#styledPreview svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.preview-placeholder {
  margin: 0;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--color-ink-soft);
  padding: 1rem;
  text-align: center;
}

@media (max-width: 980px) {
  .page {
    grid-template-columns: 1fr;
  }

  .controls {
    max-height: none;
    overflow-y: visible;
    overflow-x: visible;
    scrollbar-gutter: auto;
    padding-right: 0.2rem;
  }

  .location-row,
  .meta-row {
    grid-template-columns: 1fr;
  }

  .location-feedback {
    margin-left: 0;
  }

  .preview-canvas {
    width: min(100%, calc(100vh - 2.4rem));
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .preview {
    height: auto;
  }

  #styledPreview svg {
    height: auto;
  }

  .gallery-modal-dialog {
    width: min(96vw, 760px);
    max-height: 84vh;
    height: auto;
  }

  .gallery-modal-toolbar {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .gallery-modal-controls {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-modal-controls button {
    width: 100%;
    min-width: 0;
  }

  .privacy-modal-dialog {
    width: 100%;
  }
}