:root {
  color-scheme: light dark;
  --bg: #f6f8fc;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-solid: #ffffff;
  --surface-muted: #eef3fb;
  --text: #172033;
  --text-secondary: #667085;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eaf1ff;
  --border: #dfe5ef;
  --border-strong: #cbd5e1;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 32px rgba(30, 64, 175, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 16px 36px rgba(30, 64, 175, 0.13), 0 3px 10px rgba(15, 23, 42, 0.06);
  --focus: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1422;
    --surface: rgba(23, 32, 51, 0.94);
    --surface-solid: #172033;
    --surface-muted: #202c42;
    --text: #f1f5fb;
    --text-secondary: #a4afc1;
    --accent: #6ea8ff;
    --accent-hover: #91bdff;
    --accent-soft: #1d355b;
    --border: #2d3a52;
    --border-strong: #42506a;
    --shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 18px 42px rgba(0, 0, 0, 0.34);
    --focus: 0 0 0 4px rgba(110, 168, 255, 0.2);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { margin: 0; padding: 0; }
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.12), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
a { color: var(--accent); }

.container {
  width: min(100%, 680px);
  margin: 0 auto;
  padding: 40px 20px 64px;
}

header { margin-bottom: 28px; }
header h1 {
  margin: 0;
  font-size: clamp(25px, 5vw, 32px);
  line-height: 1.2;
  font-weight: 760;
  letter-spacing: -0.8px;
}
header p {
  margin: 7px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}
header .back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}
header .back:hover { text-decoration: underline; }

.card {
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.card-map { padding: 6px; overflow: hidden; }
.section-label,
details.collapse .collapse-label {
  display: block;
  margin-bottom: 9px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 720;
  letter-spacing: -0.25px;
}

input[type="text"], input[type="search"], input[type="number"] {
  min-width: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-solid);
  color: var(--text);
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
input::placeholder { color: color-mix(in srgb, var(--text-secondary) 72%, transparent); }
input:focus { border-color: var(--accent); box-shadow: var(--focus); }

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 680;
  line-height: 1.25;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn:focus-visible, .app-btn:focus-visible, summary:focus-visible, .size-btn:focus-visible, a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.btn:disabled { cursor: wait; opacity: .64; transform: none; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 14px rgba(37, 99, 235, .2); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { border-color: var(--border); background: var(--surface-solid); color: var(--text); }
.btn-secondary:hover { border-color: var(--border-strong); background: var(--surface-muted); }
.btn-block { width: 100%; }

.import-row, .url-row, .code-row { display: flex; gap: 10px; }
.import-row input, .url-row input, .code-row input { flex: 1; padding: 11px 13px; }
.import-row input { font-size: 14px; }
.url-row input, .code-row input {
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px;
}
.import-hint, .field-hint, .code-note, .preview-note, .apps-note {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 12px;
}

.apps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.app-btn {
  display: flex;
  min-height: 94px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 8px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-solid);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.app-btn:hover { transform: none; border-color: var(--border-strong); box-shadow: var(--shadow-hover); }
.app-btn:active { transform: none; }
.app-btn .icon-wrap {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
}
.app-btn .icon-wrap svg { width: 22px; height: 22px; }
.app-btn .app-name { font-size: 12px; font-weight: 680; line-height: 1.3; text-align: center; overflow-wrap: anywhere; }
.app-main { display: flex; flex-direction: column; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.app-nav { color: var(--accent); font-size: 9px; line-height: 1.3; text-align: center; text-decoration: none; }
.app-nav:hover { text-decoration: underline; }
.apps-note { text-align: center; }

.place-row { display: flex; align-items: flex-start; gap: 7px; padding: 11px 13px 7px; color: var(--text-secondary); font-size: 13px; line-height: 1.45; }
.place-icon { width: 15px; height: 15px; flex-shrink: 0; margin-top: 2px; }
.toast {
  position: fixed;
  z-index: 9999;
  bottom: 24px;
  left: 50%;
  max-width: calc(100% - 32px);
  padding: 11px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--shadow-hover);
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

footer { border-color: var(--border) !important; }
footer a { color: var(--accent) !important; }
.ad-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 90px;
  margin: 0 0 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.action-gap { margin-top: 10px; }
.compact-gap { margin-top: 8px; }
.content-gap { margin-top: 12px; }
.map-gap { margin-top: 4px; }
.button-icon { margin-right: 4px; vertical-align: middle; }
.page-home footer { padding: 26px 0 8px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 13px; text-align: center; }
.page-home footer a { font-weight: 600; text-decoration: none; }
.page-home footer a:hover { text-decoration: underline; }
.page-home footer span { margin: 0 10px; }

/* Creation page */
.page-home header h1::before,
.page-map header h1::before {
  content: "";
  display: inline-block;
  width: .72em;
  height: .72em;
  margin-right: 9px;
  border-radius: 50% 50% 50% 0;
  background: linear-gradient(135deg, #60a5fa, var(--accent));
  box-shadow: 0 5px 12px rgba(37, 99, 235, .24);
  transform: rotate(-45deg);
}
.page-home #map { height: 270px; border-radius: 14px; }
.page-home .coord-row { display: flex; align-items: flex-end; gap: 10px; }
.page-home .coord-field { flex: 1; min-width: 0; }
.page-home .coord-field label { display: block; margin-bottom: 5px; color: var(--text-secondary); font-size: 12px; font-weight: 650; }
.page-home .coord-field input, .page-home .field-input { width: 100%; padding: 11px 13px; font-size: 14px; }
.page-home .dms { margin: 10px 0 0; color: var(--text-secondary); font-size: 13px; font-variant-numeric: tabular-nums; }
.page-home .search-results {
  margin-top: 9px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}
.page-home .search-result {
  display: block;
  width: 100%;
  padding: 11px 13px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
}
.page-home .search-result:last-child { border-bottom: 0; }
.page-home .search-result:hover { background: var(--surface-muted); }
.page-home .short-url-help {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--text-secondary);
  font-size: 12px;
}
.page-home details.collapse > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 8px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.page-home details.collapse > summary::-webkit-details-marker { display: none; }
.page-home details.collapse .collapse-label { margin-bottom: 0; }
.page-home .collapse-icon { color: var(--text-secondary); font-size: 10px; transition: transform .2s ease; }
.page-home details[open] > summary .collapse-icon { transform: rotate(90deg); }
.page-home .qr-label { margin: 16px 0 0; text-align: center; color: var(--text-secondary); font-size: 12px; font-weight: 600; }
.page-home .qr-container { display: flex; justify-content: center; align-items: center; margin-top: 8px; min-height: 182px; }
.page-home .qr-container.has-error { min-height: auto; }
.page-home .qr-container canvas { box-sizing: border-box; width: 182px; height: 182px; padding: 9px; border: 1px solid var(--border); border-radius: 14px; background: #fff; image-rendering: pixelated; }
.page-home .qr-error { margin: 8px 0 0; color: #b42318; font-size: 13px; }
.page-home .qr-actions { display: flex; justify-content: center; margin-top: 9px; }
.page-home .share-btn { gap: 6px; margin-top: 10px; }
.page-home .faq-item { margin-bottom: 8px; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-solid); }
.page-home .faq-item summary { display: flex; align-items: center; justify-content: space-between; padding: 13px 14px; list-style: none; font-size: 14px; font-weight: 620; cursor: pointer; }
.page-home .faq-item summary::-webkit-details-marker { display: none; }
.page-home .faq-item[open] summary { border-bottom: 1px solid var(--border); }
.page-home .faq-icon { flex-shrink: 0; margin-left: 8px; color: var(--accent); font-size: 18px; font-weight: 400; transition: transform .2s ease; }
.page-home .faq-item[open] .faq-icon { transform: rotate(45deg); }
.page-home .faq-a { margin: 0; padding: 13px 14px; color: var(--text-secondary); font-size: 14px; line-height: 1.75; }

/* Shared location page */
.page-map header { display: flex; align-items: center; justify-content: space-between; }
.page-map header a { padding: 7px 11px; border-radius: 999px; background: var(--accent-soft); font-size: 13px; font-weight: 650; text-decoration: none; }
.page-map #map { height: 380px; border-radius: 14px; }
.page-map .coord-display { padding: 5px 0; text-align: center; }
.page-map .coord-decimal { margin: 0; font-size: 21px; font-weight: 720; font-variant-numeric: tabular-nums; }
.page-map .coord-dms { margin: 4px 0 0; color: var(--text-secondary); font-size: 14px; font-variant-numeric: tabular-nums; }
.page-map .coord-placeholder { padding: 24px; color: var(--text-secondary); text-align: center; }
.page-map .placeholder-icon { margin: 0; font-size: 32px; }
.page-map .place-row-large { align-items: flex-start; gap: 10px; padding: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.5; }
.page-map .place-marker { flex-shrink: 0; margin-top: 1px; }
.page-map .memo-text { margin: 0; font-size: 16px; line-height: 1.7; overflow-wrap: anywhere; white-space: pre-wrap; }
.page-map .badge { display: inline-block; margin-top: 4px; padding: 3px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 11px; font-weight: 650; }

/* Embed builder */
.page-embed #map { height: 310px; border-radius: 14px; }
.page-embed .size-grid { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 12px; }
.page-embed .size-btn {
  flex: 1;
  min-width: 82px;
  padding: 12px 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-solid);
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease;
}
.page-embed .size-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.page-embed .size-btn.active { border-color: var(--accent); background: var(--accent); color: #fff; box-shadow: 0 6px 14px rgba(37, 99, 235, .18); }
.page-embed .size-dims { display: block; margin-top: 2px; font-size: 11px; font-weight: 450; opacity: .72; }
.page-embed .custom-row { display: none; align-items: center; gap: 8px; margin-top: 10px; }
.page-embed .custom-row.visible { display: flex; }
.page-embed .custom-row label, .page-embed .custom-row span { color: var(--text-secondary); font-size: 13px; }
.page-embed .custom-height-label { margin-left: 8px; }
.page-embed .custom-row input { width: 80px; padding: 9px; text-align: center; }
.page-embed .preview-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 14px; background: #fff; }
.page-embed .preview-wrap iframe { display: block; margin: 0 auto; }
.page-embed .preview-iframe { border: 0; }
.page-embed .empty-state { padding: 64px 20px; color: var(--text-secondary); text-align: center; }

/* Legal pages */
.page-legal { line-height: 1.8; }
.page-legal .container { width: min(100%, 740px); }
.page-legal header { padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.page-legal header p { max-width: 64ch; }
.page-legal .section {
  margin-bottom: 14px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.page-legal .section h2 { margin: 0 0 10px; padding: 0; border: 0; font-size: 17px; font-weight: 700; }
.page-legal .section p, .page-legal .section li { color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
.page-legal .section p { margin-block: 0; }
.page-legal .section ul { margin: 8px 0 0; padding-left: 20px; }
.page-legal .section a { text-underline-offset: 3px; }
.page-legal .back { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.page-legal .back a { font-size: 14px; font-weight: 650; text-decoration: none; }
.page-legal .back a:hover { text-decoration: underline; }

/* Compact embedded map */
.offline-notice {
  margin: 10px 8px 4px;
  padding: 9px 11px;
  border: 1px solid #d97706;
  border-radius: 8px;
  background: #fffbeb;
  color: #92400e;
  font-size: 12px;
  line-height: 1.5;
}
@media (prefers-color-scheme: dark) {
  .offline-notice { border-color: #b45309; background: #451a03; color: #fde68a; }
}
.page-embed-view { width: 100%; height: 100%; overflow: hidden; background: var(--bg); }
.page-embed-view .offline-notice {
  position: absolute;
  z-index: 1001;
  top: 8px;
  right: 8px;
  left: 8px;
  margin: 0;
}
.page-embed-view #map { width: 100%; height: 100%; }
.page-embed-view .bottom-bar {
  position: absolute;
  z-index: 1000;
  right: 10px;
  bottom: 10px;
  left: 10px;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-hover);
  line-height: 1.45;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.page-embed-view .bottom-bar .addr { display: flex; align-items: flex-start; gap: 5px; font-size: 13px; font-weight: 600; }
.page-embed-view .bottom-bar .addr svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.page-embed-view .bottom-bar .coord { margin-top: 2px; color: var(--text-secondary); font-size: 11px; font-variant-numeric: tabular-nums; }
.page-embed-view .bottom-bar .sep { height: 1px; margin: 7px 0; background: var(--border); }
.page-embed-view .bottom-bar .link { display: inline-flex; align-items: center; gap: 3px; color: var(--accent); font-size: 12px; font-weight: 650; text-decoration: none; }

@media (max-width: 420px) {
  .container { padding: 24px 12px 40px; }
  header { margin-bottom: 22px; }
  header h1 { font-size: 25px; }
  .card { padding: 16px; border-radius: 16px; margin-bottom: 14px; }
  .card-map { padding: 5px; }
  .import-row, .url-row, .code-row { gap: 8px; }
  .btn { padding-inline: 14px; }
  .apps-grid { gap: 8px; }
  .app-btn { min-height: 84px; padding: 12px 4px; }
  .app-btn .icon-wrap { width: 37px; height: 37px; border-radius: 11px; }
  .app-btn .icon-wrap svg { width: 20px; height: 20px; }
  .page-home #map { height: 220px; }
  .page-home .coord-row { flex-wrap: wrap; }
  .page-home .coord-row .btn { width: 100%; }
  .page-map header { align-items: flex-start; gap: 12px; }
  .page-map #map { height: 290px; }
  .page-map header h1 { font-size: 22px; }
  .page-embed #map { height: 230px; }
  .page-embed .size-btn { min-width: 70px; }
  .page-embed .custom-row { flex-wrap: wrap; }
  .page-legal .section { padding: 18px 16px; border-radius: 16px; }
  .page-embed-view .bottom-bar { right: 7px; bottom: 7px; left: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}