/* ========================================================
   Relief Studio Pro — Modern GIS & Topographic Design System
   ======================================================== */

:root {
  --bg-panel: rgba(22, 20, 18, 0.88);
  --bg-panel-solid: #191715;
  --bg-card: rgba(35, 32, 28, 0.75);
  --border-color: rgba(210, 160, 100, 0.22);
  --border-highlight: rgba(235, 175, 90, 0.45);
  --text-main: #f5eedf;
  --text-muted: #b8a898;
  --amber: #e69138;
  --amber-bright: #ffad42;
  --amber-deep: #b86214;
  --blue-accent: #3a86ff;
  --green-accent: #52b788;
  --red-accent: #e63946;
  --shadow-main: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.08);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Cormorant Garamond", "Cinzel", "Times New Roman", Georgia, serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-sans);
  background: #0f0e0d;
  color: var(--text-main);
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* Map Containers */
#map-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#map {
  width: 100%;
  height: 100%;
  background: #111;
}

/* Multiply Blend Mode Overlay Map (OSM, Satellite, etc.) */
.overlay-map {
  position: absolute;
  inset: 0;
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* Luminous Bow Trail & Cursor HUD */
.bow-trail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

.fiddle-hud {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 11;
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(25, 20, 15, 0.92);
  border: 1px solid var(--amber-bright);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6), 0 0 12px rgba(255, 173, 66, 0.4);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transform: translate(0, 0);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.fiddle-hud.is-visible {
  opacity: 1;
  transition: opacity 0.05s ease-out;
}

.fiddle-hud b {
  color: var(--amber-bright);
  font-weight: 700;
}

/* ---------------- Top Bar & Search ---------------- */
.top-bar {
  position: absolute;
  top: 14px;
  left: 310px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 20;
  pointer-events: none;
}

.search-container {
  pointer-events: auto;
  position: relative;
  width: 320px;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 6px 14px;
  box-shadow: var(--shadow-main);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input-wrap:focus-within {
  border-color: var(--amber-bright);
  box-shadow: 0 0 0 2px rgba(230, 145, 56, 0.25), var(--shadow-main);
}

.search-icon {
  width: 16px;
  height: 16px;
  color: var(--amber);
  margin-right: 8px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13px;
  font-family: inherit;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-panel-solid);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-main);
  max-height: 240px;
  overflow-y: auto;
  display: none;
  z-index: 30;
}

.search-result-item {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-main);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.search-result-item:hover {
  background: rgba(230, 145, 56, 0.2);
}

.search-result-item small {
  color: var(--text-muted);
  font-size: 10px;
  margin-top: 2px;
}

.top-actions {
  pointer-events: auto;
  display: flex;
  gap: 8px;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-main);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-main);
  transition: all 0.2s ease;
}

.btn-pill:hover {
  background: rgba(45, 40, 35, 0.95);
  border-color: var(--amber);
  color: var(--amber-bright);
}

.btn-pill.primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-deep) 100%);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: 600;
}

.btn-pill.primary:hover {
  background: linear-gradient(135deg, var(--amber-bright) 0%, var(--amber) 100%);
  box-shadow: 0 0 16px rgba(230, 145, 56, 0.4);
}

/* ---------------- Left Sidebar Control Panel ---------------- */
.panel {
  position: absolute;
  top: 14px;
  left: 14px;
  bottom: 14px;
  width: 280px;
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-main);
  z-index: 25;
  display: flex;
  flex-direction: column;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s;
}

.panel.is-collapsed {
  width: 52px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

.panel-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.panel-icon {
  width: 28px;
  height: 28px;
  color: var(--amber-bright);
  flex-shrink: 0;
}

.panel-title-text {
  min-width: 0;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
}

.panel-sub {
  font-size: 10px;
  color: var(--amber);
  white-space: nowrap;
}

.panel-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}

.panel-toggle-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.panel.is-collapsed .panel-body,
.panel.is-collapsed .panel-title-text,
.panel.is-collapsed .panel-footer {
  display: none !important;
}

.panel.is-collapsed .panel-header {
  border-bottom: none;
  padding: 12px 10px;
  flex-direction: column;
  gap: 12px;
}

/* Panel Body & Accordion Sections */
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-body::-webkit-scrollbar {
  width: 4px;
}
.panel-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.sec-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group {
  margin-bottom: 6px;
}

.form-group label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-main);
  margin-bottom: 3px;
}

.form-group label span.val {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  font-size: 11px;
}

select.form-control, input[type="text"].form-control {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 11.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

select.form-control:focus, input[type="text"].form-control:focus {
  border-color: var(--amber-bright);
}

input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  accent-color: var(--amber);
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-main);
  cursor: pointer;
  margin-top: 4px;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--amber);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

/* Landmarks Quick List */
.landmark-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 150px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
}

.landmark-item {
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
}

.landmark-item:hover {
  background: rgba(230, 145, 56, 0.25);
  color: var(--amber-bright);
}

.landmark-item small {
  color: var(--text-muted);
  font-size: 9.5px;
}

/* Panel Footer & GIS Export Action */
.panel-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-block {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  transition: all 0.2s;
}

.btn-block:hover {
  border-color: var(--amber);
  color: var(--amber-bright);
  background: rgba(50, 42, 35, 0.9);
}

.btn-block.primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-deep) 100%);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn-block.primary:hover {
  background: linear-gradient(135deg, var(--amber-bright) 0%, var(--amber) 100%);
  box-shadow: 0 4px 14px rgba(230, 145, 56, 0.35);
}

/* ---------------- Bottom Left Live Inspector Bar ---------------- */
.inspector-bar {
  position: absolute;
  bottom: 14px;
  left: 310px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 5px 12px;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-main);
  font-size: 11px;
  color: var(--text-muted);
  z-index: 20;
}

.inspector-bar b {
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.inspector-bar .elev-tag {
  color: var(--amber-bright);
  font-weight: 700;
}

.inspector-sep {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
}

/* ---------------- Relief Fiddler Widget Styling ---------------- */
.relief-fiddler {
  width: 300px;
  padding: 10px 12px;
  background: var(--bg-panel) !important;
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-main) !important;
  color: var(--text-main);
  font-size: 11.5px;
  user-select: none;
  z-index: 20;
}

.relief-fiddler.is-fiddling {
  border-color: var(--amber-bright) !important;
  box-shadow: 0 0 16px rgba(230, 145, 56, 0.45), var(--shadow-main) !important;
}

.rf-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.rf-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.rf-palette-select {
  flex: 1;
  min-width: 0;
  padding: 3px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 11px;
  outline: none;
}

.rf-btn-invert {
  padding: 3px 7px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}

.rf-btn-invert:hover, .rf-btn-invert.is-inverted {
  color: var(--amber-bright);
  border-color: var(--amber);
}

/* Histogram Container */
.rf-hist-container {
  position: relative;
  height: 52px;
  margin-bottom: 6px;
}

.rf-hist-canvas {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  display: block;
  cursor: ew-resize;
}

.rf-hist-toolbar {
  position: absolute;
  top: 2px;
  right: 2px;
  display: flex;
  gap: 2px;
}

.rf-hist-toolbar button, .rf-curve-toolbar button {
  padding: 1px 5px;
  font-size: 9.5px;
  background: rgba(30, 25, 20, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  color: var(--text-muted);
  cursor: pointer;
}

.rf-hist-toolbar button.is-active {
  background: var(--amber);
  border-color: var(--amber);
  color: #fff;
  font-weight: 600;
}

.rf-hist-label {
  position: absolute;
  bottom: 2px;
  font-size: 9px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.6);
  padding: 0 3px;
  border-radius: 2px;
  pointer-events: none;
}
.rf-hist-label.lo { left: 2px; }
.rf-hist-label.hi { right: 2px; }

/* Tone Curve Container */
.rf-curve-container {
  position: relative;
  height: 40px;
  margin-bottom: 6px;
}

.rf-curve-canvas {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  display: block;
  cursor: ns-resize;
}

.rf-curve-toolbar {
  position: absolute;
  top: 2px;
  right: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.rf-curve-val {
  font-size: 9px;
  color: var(--amber-bright);
  font-variant-numeric: tabular-nums;
}

/* Color Ramp Bar */
.rf-bar-wrap {
  position: relative;
  height: 14px;
  margin-top: 4px;
}

.rf-bar {
  position: absolute;
  inset: 0;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.rf-tick {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 0;
  pointer-events: none;
}

.rf-tick.level {
  left: 50%;
  border-left: 1.5px dashed rgba(255, 255, 255, 0.85);
}

.rf-tick.anchor {
  border-left: 2px solid #00f0ff;
}

.rf-tick.anchor span {
  position: absolute;
  top: -13px;
  left: 2px;
  font-size: 9px;
  color: #00f0ff;
  white-space: nowrap;
}

/* Labels */
.rf-labels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  margin-top: 4px;
  text-align: center;
}

.rf-labels div:first-child { text-align: left; }
.rf-labels div:last-child { text-align: right; }

.rf-labels small {
  display: block;
  font-size: 9px;
  color: var(--text-muted);
}

.rf-labels b {
  font-size: 11px;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* Footer & Controls */
.rf-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.rf-auto-fit-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-main);
  cursor: pointer;
}

.rf-btn-fit {
  padding: 3px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 10.5px;
  cursor: pointer;
  transition: all 0.2s;
}

.rf-btn-fit:hover {
  border-color: var(--amber);
  color: var(--amber-bright);
}

.rf-hint {
  margin-top: 6px;
  font-size: 9.5px;
  color: var(--text-muted);
  line-height: 1.4;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  padding-top: 4px;
}

/* ---------------- Export Modal Dialog ---------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: min(520px, 92vw);
  background: var(--bg-panel-solid);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.94) translateY(12px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.modal-close-btn:hover {
  color: #fff;
}

/* Tabs */
.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

.modal-tab {
  flex: 1;
  padding: 12px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-tab:hover {
  color: var(--text-main);
}

.modal-tab.is-active {
  color: var(--amber-bright);
  border-bottom-color: var(--amber-bright);
  background: rgba(230, 145, 56, 0.08);
}

.modal-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.tab-pane.is-active {
  display: flex;
}

.modal-section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
  margin-bottom: 4px;
}

.radio-card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.radio-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}

.radio-card:hover {
  border-color: var(--amber);
}

.radio-card input[type="radio"] {
  display: none;
}

.radio-card.is-selected {
  border-color: var(--amber-bright);
  background: rgba(230, 145, 56, 0.15);
}

.radio-card-title {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 3px;
}

.radio-card-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.35;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: rgba(0, 0, 0, 0.15);
}

/* ---------------- Onboarding Banner / Dialog ---------------- */
.onboard-banner {
  position: absolute;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel-solid);
  border: 1px solid var(--amber);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(230, 145, 56, 0.2);
  z-index: 50;
  max-width: 420px;
  width: 90vw;
  animation: bannerSlide 0.4s ease-out;
}

@keyframes bannerSlide {
  from { opacity: 0; transform: translate(-50%, -16px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.onboard-banner[hidden] {
  display: none;
}

.onboard-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--amber-bright);
  margin-bottom: 6px;
}

.onboard-desc {
  font-size: 12px;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 10px;
}

.onboard-desc kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}

.onboard-close {
  display: block;
  margin-left: auto;
  padding: 5px 16px;
  border-radius: 16px;
  border: none;
  background: var(--amber);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.onboard-close:hover {
  background: var(--amber-bright);
}

/* Responsive adjustments */
@media (max-width: 800px) {
  .panel {
    width: 250px;
  }
  .top-bar {
    left: 270px;
  }
  .search-container {
    width: 200px;
  }
  .inspector-bar {
    left: 14px;
    bottom: 240px;
  }
}

@media (max-width: 600px) {
  .panel {
    width: calc(100% - 28px);
    height: auto;
    max-height: 45vh;
  }
  .top-bar {
    left: 14px;
    top: 70px;
    flex-direction: column;
    gap: 8px;
  }
  .search-container {
    width: 100%;
  }
  .inspector-bar {
    display: none;
  }
}