:root {
  --bg: #edf1f5;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --text: #172033;
  --muted: #68748a;
  --border: #d8dee8;
  --accent: #2563eb;
  --accent-dark: #1e4fba;
  --success: #0e9f6e;
  --warning: #b7791f;
  --danger: #c2410c;
  --shadow: 0 18px 45px rgba(22, 34, 56, 0.11);
  --shadow-accent: 0 12px 28px rgba(37, 99, 235, 0.18);
  --radius: 8px;
  font-family: 'Outfit', ui-sans-serif, system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 32%),
    var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: 20px;
  min-height: 100dvh;
  padding: 20px;
}

.sidebar,
.map-stage {
  border: 1px solid rgba(216, 222, 232, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px;
  overflow-y: auto;
}

.brand-block {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(145deg, #1e3a5f 0%, #162238 100%);
  box-shadow: 0 4px 14px rgba(22, 34, 56, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.brand-block:hover .brand-mark {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(22, 34, 56, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.brand-block p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.control-panel,
.control-section,
.button-stack {
  display: flex;
  flex-direction: column;
}

.control-panel {
  gap: 20px;
}

.control-section {
  gap: 8px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

label,
.toolbar-label {
  color: #3b465a;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

input[type="text"],
input[type="search"],
input[type="number"],
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
  outline: none;
  transition:
    border-color 0.16s ease,
    box-shadow 0.16s ease;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: rgba(37, 99, 235, 0.75);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 7px;
  padding: 0 14px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

button:active {
  transform: translateY(1px);
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.primary-button {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.primary-button:hover {
  background: var(--accent-dark);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.28);
  transform: translateY(-1px);
}

.primary-button:active {
  transform: translateY(1px);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.16);
}

.secondary-button {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: #1f2937;
}

.secondary-button:hover {
  background: #eef4ff;
}

.ghost-button {
  background: transparent;
  color: #36506f;
}

.ghost-button:hover {
  background: #f2f5fa;
}

.field-note {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.ring-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.ring-grid .toggle-control {
  grid-column: 1 / -1;
}

.section-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.compact-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #334155;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.compact-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.custom-label-section {
  /* border handled by group-label divider */
}

.custom-label-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.custom-label-grid .toggle-control {
  grid-column: 1 / -1;
}

.auto-label-controls {
  display: grid;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-soft);
  padding: 10px;
}

.auto-label-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.auto-label-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.auto-label-toggle {
  grid-column: 1 / -1;
}

.label-format-toolbar {
  display: inline-grid;
  grid-template-columns: repeat(3, 38px);
  gap: 6px;
}

.format-button {
  display: inline-grid;
  place-items: center;
  min-width: 38px;
  min-height: 36px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: #344256;
  padding: 0;
  box-shadow: none;
  font-size: 0.9rem;
}

.format-button:hover,
.format-button.is-active {
  border-color: rgba(37, 99, 235, 0.65);
  background: #eef4ff;
  color: var(--accent-dark);
}

#customLabelBoldInput {
  font-weight: 900;
}

#customLabelItalicInput {
  font-style: italic;
}

.color-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 9px;
  align-items: center;
}

input[type="color"] {
  width: 44px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 3px;
  background: var(--surface);
}

#ringColorValue,
output {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-soft);
  padding: 0 12px;
  color: #334155;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  transition: background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.toggle-control:hover {
  background: #eef4ff;
  border-color: rgba(37, 99, 235, 0.25);
}

.toggle-control input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.marker-toggle {
  margin-top: 2px;
}

.inline-toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.map-label-toggle {
  align-self: flex-start;
  margin-top: 2px;
}

.button-stack {
  gap: 9px;
}

.project-button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* Control groups — replaces flat section stack */
.control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.group-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1;
}

.group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Summary variant for collapsible groups */
details.control-group summary.group-label {
  list-style: none;
  cursor: pointer;
  user-select: none;
  justify-content: flex-start;
}

details.control-group summary.group-label::-webkit-details-marker {
  display: none;
}

details.control-group summary.group-label::after {
  flex: 1;
}

.group-chevron {
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  margin-left: auto;
}

details[open] .group-chevron {
  transform: rotate(180deg);
}

/* Collapsible labels body using grid trick for smooth animation */
.labels-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

details[open] .labels-body {
  grid-template-rows: 1fr;
}

.labels-body-inner {
  overflow: hidden;
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 2-col action row for export buttons */
.action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.status-card {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f8fafc;
  padding: 13px;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 999px;
  background: var(--muted);
  transition: background 0.2s ease;
}

.status-dot.success {
  background: var(--success);
  animation: dot-pulse 2.2s ease-in-out infinite;
}

.status-dot.warning {
  background: var(--warning);
}

.status-dot.error {
  background: var(--danger);
}

.status-card p {
  color: #475569;
  font-size: 0.88rem;
  line-height: 1.45;
}

.map-stage {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(420px, 1fr);
  overflow: hidden;
}

.map-toolbar {
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  padding: 16px 18px;
}

.map-toolbar h2 {
  margin-top: 3px;
  font-size: 1.24rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.map-toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  max-width: 45%;
}

.map-meta {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: right;
}

.exit-presentation-button {
  display: none;
  min-height: 36px;
  border: 1px solid var(--border);
  background: #f8fafc;
  color: #24364f;
  white-space: nowrap;
}

.exit-presentation-button:hover {
  background: #eef4ff;
}

.map-canvas {
  min-height: 620px;
  background: #dbe3ed;
}

.leaflet-container {
  font-family: inherit;
}

.radius-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 26px;
  border: 1px solid rgba(23, 32, 51, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.14);
  color: #162238;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.property-label {
  border: 0;
  background: transparent;
  overflow: visible;
}

.property-label span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid rgba(15, 23, 42, 0.17);
  border-radius: 999px;
  background: #162238;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.22);
  color: #fff;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.custom-map-label-icon {
  border: 0;
  background: transparent;
  overflow: visible;
}

.custom-map-label {
  --label-color: #111827;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--label-color);
  font-size: 24px;
  font-style: normal;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
  text-transform: none;
  white-space: nowrap;
  cursor: move;
}

.custom-map-label.is-uppercase {
  text-transform: uppercase;
}

.custom-map-label.is-bold {
  font-weight: 900;
}

.custom-map-label.is-italic {
  font-style: italic;
}

.custom-map-label.with-background {
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.18);
  padding: 6px 12px;
}

.custom-map-label.pill {
  border-radius: 999px;
}

.custom-map-label.plain {
  border-radius: 4px;
}

.custom-map-label.plain:not(.with-background) {
  padding: 0;
}

.leaflet-popup-content-wrapper {
  border-radius: 8px;
}

body.presentation .sidebar {
  display: none;
}

body.presentation .app-shell {
  grid-template-columns: 1fr;
}

body.presentation .map-stage {
  min-height: calc(100dvh - 40px);
}

body.presentation .exit-presentation-button {
  display: inline-flex;
  align-items: center;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .sidebar {
    max-height: none;
  }

  .map-stage {
    grid-template-rows: auto 62vh;
  }

  .map-canvas {
    min-height: 480px;
  }

  .map-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .map-toolbar-actions {
    max-width: none;
    width: 100%;
    justify-content: space-between;
  }

  .map-meta {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .search-row,
  .ring-grid,
  .custom-label-grid,
  .auto-label-actions,
  .auto-label-grid,
  .inline-toggle-row,
  .project-button-grid {
    grid-template-columns: 1fr;
  }

  .ring-grid .toggle-control,
  .custom-label-grid .toggle-control {
    grid-column: auto;
  }
}

/* ===========================
   THEME TOGGLE BUTTON
   =========================== */

.theme-toggle {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  min-height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--muted);
  padding: 0;
  box-shadow: none;
  cursor: pointer;
  transition:
    background 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover {
  background: var(--surface);
  color: var(--text);
  border-color: rgba(37, 99, 235, 0.3);
  transform: none;
}

.theme-toggle:active {
  transform: scale(0.92);
}

.theme-toggle svg {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Icon rotates to signal mode switch */
[data-dark="true"] .theme-toggle svg {
  transform: rotate(180deg);
}

/* ===========================
   THEME TRANSITION CLASS
   (applied during toggle only — prevents flash on page load)
   =========================== */

.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
  transition:
    background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* ===========================
   DARK MODE
   =========================== */

[data-dark="true"] {
  --bg: #0f1117;
  --surface: #171d2b;
  --surface-soft: #1c2235;
  --text: #dde4f0;
  --muted: #74809e;
  --border: rgba(255, 255, 255, 0.09);
  --accent: #4b8bf4;
  --accent-dark: #3b76e0;
  --success: #18b77e;
  --warning: #d4944f;
  --danger: #e05340;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 12px 28px rgba(75, 139, 244, 0.22);
}

[data-dark="true"] body {
  background:
    linear-gradient(135deg, rgba(75, 139, 244, 0.06), transparent 28%),
    #0f1117;
}

[data-dark="true"] .sidebar,
[data-dark="true"] .map-stage {
  background: rgba(23, 29, 43, 0.96);
  border-color: rgba(255, 255, 255, 0.07);
}

[data-dark="true"] .map-toolbar {
  background: rgba(23, 29, 43, 0.97);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-dark="true"] h1,
[data-dark="true"] h2 {
  color: var(--text);
}

[data-dark="true"] .brand-block p {
  color: var(--muted);
}

[data-dark="true"] .brand-mark {
  background: linear-gradient(145deg, #243f6e 0%, #18274a 100%);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-dark="true"] .theme-toggle {
  background: #1c2235;
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

[data-dark="true"] .theme-toggle:hover {
  background: #222d44;
  color: var(--text);
  border-color: rgba(75, 139, 244, 0.3);
}

[data-dark="true"] label,
[data-dark="true"] .toolbar-label {
  color: #8896b4;
}

[data-dark="true"] input[type="text"],
[data-dark="true"] input[type="search"],
[data-dark="true"] input[type="number"],
[data-dark="true"] select {
  background: #141926;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-dark="true"] input[type="text"]:focus,
[data-dark="true"] input[type="search"]:focus,
[data-dark="true"] input[type="number"]:focus,
[data-dark="true"] select:focus {
  border-color: rgba(75, 139, 244, 0.6);
  box-shadow: 0 0 0 4px rgba(75, 139, 244, 0.1);
}

[data-dark="true"] input[type="color"] {
  background: #141926;
  border-color: rgba(255, 255, 255, 0.1);
}

[data-dark="true"] .primary-button {
  background: var(--accent);
  box-shadow: var(--shadow-accent);
}

[data-dark="true"] .primary-button:hover {
  background: var(--accent-dark);
}

[data-dark="true"] .secondary-button {
  background: #1c2235;
  border-color: rgba(255, 255, 255, 0.1);
  color: #c0cce8;
}

[data-dark="true"] .secondary-button:hover {
  background: #222d44;
  border-color: rgba(75, 139, 244, 0.28);
}

[data-dark="true"] .ghost-button {
  color: #8299bf;
}

[data-dark="true"] .ghost-button:hover {
  background: rgba(255, 255, 255, 0.05);
}

[data-dark="true"] .toggle-control {
  background: #1c2235;
  border-color: rgba(255, 255, 255, 0.08);
  color: #a8b8d4;
}

[data-dark="true"] .toggle-control:hover {
  background: #222d44;
  border-color: rgba(75, 139, 244, 0.25);
}

[data-dark="true"] .compact-toggle {
  color: #8ea3c0;
}

[data-dark="true"] .auto-label-controls {
  background: #141926;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-dark="true"] .format-button {
  background: #141926;
  border-color: rgba(255, 255, 255, 0.1);
  color: #8298b8;
}

[data-dark="true"] .format-button:hover,
[data-dark="true"] .format-button.is-active {
  background: #1a2f58;
  border-color: rgba(75, 139, 244, 0.5);
  color: var(--accent);
}

[data-dark="true"] .status-card {
  background: #141926;
  border-color: rgba(255, 255, 255, 0.07);
}

[data-dark="true"] .status-card p {
  color: #7888a8;
}

[data-dark="true"] #ringColorValue,
[data-dark="true"] output {
  color: var(--muted);
}

[data-dark="true"] .map-meta {
  color: var(--muted);
}

[data-dark="true"] .exit-presentation-button {
  background: #1c2235;
  border-color: rgba(255, 255, 255, 0.1);
  color: #b8c8e4;
}

[data-dark="true"] .map-canvas {
  background: #0b1020;
}

[data-dark="true"] .field-note {
  color: var(--muted);
}

[data-dark="true"] .group-label {
  color: #5a6a88;
}

[data-dark="true"] .group-label::after {
  background: rgba(255, 255, 255, 0.07);
}