:root {
  --page-bg: #050b16;
  --panel-bg: rgba(13, 20, 37, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-glow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --text: #e8efff;
  --muted: #9fb1cd;
  --accent: #4cd7d0;
  --accent-strong: #2bc0e4;
  --control-bg: rgba(255, 255, 255, 0.03);
  --menu-height: 64px;
  --menu-gap: 16px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', 'Segoe UI', 'Helvetica Neue', sans-serif;
  background:
    radial-gradient(120% 120% at 15% 20%, rgba(76, 215, 208, 0.08), transparent 45%),
    radial-gradient(120% 120% at 80% 10%, rgba(43, 192, 228, 0.12), transparent 45%),
    var(--page-bg);
  color: var(--text);
  overflow: hidden;
  line-height: 1.5;
}

.login-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(120% 120% at 20% 15%, rgba(76, 215, 208, 0.12), transparent 48%),
    radial-gradient(120% 120% at 80% 10%, rgba(43, 192, 228, 0.2), transparent 50%),
    rgba(5, 11, 22, 0.94);
  z-index: 2000;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.login-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.login-card {
  width: min(420px, 100%);
  padding: 18px 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(76, 215, 208, 0.28);
  background: linear-gradient(150deg, rgba(9, 14, 25, 0.94), rgba(8, 15, 26, 0.78));
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.55);
}

.login-card__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  text-align: center;
}

.login-card__brand h1 {
  margin: 6px 0 2px;
}

.login-card__brand .muted {
  margin: 0;
  color: var(--muted);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-form input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 10px;
  background: rgba(12, 19, 35, 0.85);
  color: var(--text);
  border: 1px solid rgba(76, 215, 208, 0.24);
  font-size: 15px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(76, 215, 208, 0.18);
  background: #11213b;
}

.login-error {
  min-height: 18px;
  margin: 0;
  color: #ff9b9b;
  font-size: 13px;
}

.login-hint {
  margin: 6px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

body.login-blocked #map,
body.login-blocked #controlPanel,
body.login-blocked .master-menu {
  filter: blur(2px);
  pointer-events: none;
  user-select: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

#map {
  position: relative;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, #0b1226 0%, #060b17 40%, #0d1427 100%);
}

#controlPanel {
  position: absolute;
  top: auto;
  bottom: calc(var(--menu-height) + var(--menu-gap) + var(--safe-bottom) + 12px);
  left: 50%;
  right: auto;
  width: min(560px, calc(100% - 28px));
  min-width: 320px;
  z-index: 1000;
  background: linear-gradient(145deg, rgba(9, 14, 25, 0.9), rgba(9, 14, 25, 0.76));
  border: 1px solid rgba(76, 215, 208, 0.28);
  border-radius: 26px;
  padding: 18px 18px 16px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  max-height: calc(100vh - (var(--menu-height) + var(--menu-gap) + var(--safe-bottom) + 40px));
  overflow-y: auto;
  transition: width 0.22s ease, padding 0.22s ease, box-shadow 0.22s ease, opacity 0.2s ease, transform 0.22s ease;
  touch-action: manipulation;
  transform: translateX(-50%) translateY(12px);
  opacity: 0.97;
}

#controlPanel.panel-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.panel-off {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(24px);
}

/* Responsive adjustments */
@media (max-width: 720px) {
  #controlPanel.panel-visible {
    transform: none;
  }
  #controlPanel.panel-off {
    transform: none;
  }
}

@media (max-width: 720px) {
  #controlPanel {
    width: calc(100% - 20px);
    left: 10px;
    right: 10px;
    min-width: 0;
    transform: none;
    bottom: calc(var(--menu-height) + var(--menu-gap) + var(--safe-bottom) + 10px);
    max-height: 75vh;
  }
}

@media (max-width: 480px) {
  #controlPanel {
    width: calc(100% - 16px);
    left: 8px;
    right: 8px;
    min-width: 0;
    bottom: calc(var(--menu-height) + var(--menu-gap) + var(--safe-bottom) + 8px);
    transform: none;
  }
}

#controlPanel ::-webkit-scrollbar {
  width: 8px;
}

#controlPanel ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

#controlPanel ::-webkit-scrollbar-track {
  background: transparent;
}

.panel-header {
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 14px;
  position: sticky;
  top: 0;
  padding-bottom: 10px;
  padding-right: 64px;
  background: linear-gradient(180deg, rgba(9, 14, 25, 0.9) 0%, rgba(9, 14, 25, 0.4) 100%);
  z-index: 1;
}

@media (max-width: 640px) {
  .panel-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-right: 0;
  }
  .panel-toggle {
    position: static;
    width: 100%;
    justify-content: center;
  }
}

.panel-brand h2 {
  margin: 6px 0 4px;
  font-size: 24px;
}

.panel-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.panel-brand .muted {
  margin: 0 0 8px;
  color: rgba(232, 239, 255, 0.78);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(76, 215, 208, 0.3);
  background: rgba(255, 255, 255, 0.06);
  letter-spacing: 0.05em;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text);
}

.pill-brand {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #041020;
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.3);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  row-gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.chip-live {
  border-color: rgba(76, 215, 208, 0.3);
  background: linear-gradient(135deg, rgba(76, 215, 208, 0.2), rgba(43, 192, 228, 0.32));
  color: #041020;
  font-weight: 700;
}

.chip-muted {
  color: var(--muted);
}

.panel-card {
  position: relative;
  overflow: hidden;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.section-head h3 {
  margin: 4px 0 0;
}

.overline {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
  background: rgba(76, 215, 208, 0.14);
  color: var(--text);
  border: 1px solid rgba(76, 215, 208, 0.25);
}

.badge-soft {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.panel-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  align-items: start;
}

.meta-tile {
  padding: 10px 12px;
  border: 1px solid rgba(76, 215, 208, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.meta-label {
  margin: 0 0 2px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-value {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.meta-value.accent {
  color: var(--accent);
}

.panel-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  justify-self: end;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(76, 215, 208, 0.24);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
  transition: background 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
  min-height: 42px;
  font-size: 14px;
}

.panel-toggle .icon {
  display: none;
  width: 18px;
  height: 18px;
}

.panel-toggle .icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.panel-toggle[data-state="hide"] .icon-hide {
  display: inline-flex;
}

.panel-toggle[data-state="show"] .icon-show {
  display: inline-flex;
}

.panel-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.32);
}

.panel-toggle:active {
  transform: translateY(0);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.22);
}

.panel-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-content: start;
}

.panel-view {
  display: none;
}

.panel-view.active {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#controlPanel.collapsed {
  width: 72px;
  padding: 12px;
  box-shadow: none;
  opacity: 0.95;
  overflow: visible;
  transform: translateX(-50%) translateY(0);
}

#controlPanel.collapsed .panel-header {
  position: static;
}

#controlPanel.collapsed .panel-title {
  display: none;
}

#controlPanel.collapsed .panel-body {
  display: none;
}

#controlPanel.collapsed .panel-toggle {
  width: 100%;
  text-align: center;
}

@media (max-width: 720px) {
  #controlPanel.collapsed {
    width: 64px;
    padding: 10px;
  }
}

.master-menu {
  position: fixed;
  bottom: calc(var(--menu-gap) + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1200;
}

.master-menu .menu-btn {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.12s ease, border-color 0.15s ease;
}

.master-menu .menu-btn.active {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #041020;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
}

.master-menu .menu-btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.master-menu .menu-btn:hover {
  transform: translateY(-1px);
}

@media (max-width: 540px) {
  .master-menu {
    width: calc(100% - 28px);
    justify-content: space-between;
  }
  .master-menu .menu-btn {
    flex: 1;
    text-align: center;
    padding: 10px 6px;
  }
}

.panel-section {
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(76, 215, 208, 0.22);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(76, 215, 208, 0.06), rgba(76, 215, 208, 0.02)),
    rgba(8, 14, 26, 0.75);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02), 0 14px 28px rgba(0, 0, 0, 0.32);
}

.panel-section h3 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: #f1f6ff;
}

.field-label {
  display: block;
  font-size: 12px;
  color: rgba(232, 239, 255, 0.82);
  margin: 0 0 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#controlPanel select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(12, 19, 35, 0.82);
  color: var(--text);
  border: 1px solid rgba(76, 215, 208, 0.22);
  font-size: 14px;
  appearance: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: right 14px top 50%, right 8px top 50%;
  background-size: 8px 8px, 8px 8px;
  background-repeat: no-repeat;
}

#controlPanel select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(76, 215, 208, 0.18);
  background: #11213b;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 12px;
}

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

.checkbox-row span {
  color: var(--text);
  font-weight: 600;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

@media (max-width: 600px) {
  .control-grid {
    grid-template-columns: 1fr;
  }
}

.panel-body button {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #35c0d4 0%, #7be7d9 100%);
  color: #041020;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 12px 30px rgba(53, 192, 212, 0.25);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  min-height: 44px;
  font-size: 15px;
}

.panel-body button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(53, 192, 212, 0.35);
  filter: saturate(1.08);
}

.panel-body button:active {
  transform: translateY(0);
  box-shadow: 0 10px 24px rgba(53, 192, 212, 0.22);
}

.panel-body button.ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--panel-border);
  box-shadow: none;
}

.panel-body button.ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.panel-body button.ghost:active {
  background: rgba(255, 255, 255, 0.12);
}

#measureControls {
  position: absolute;
  top: 60px;
  left: auto;
  right: 18px;
  z-index: 1000;
}

#measureControls button {
  margin-bottom: 6px;
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.ol-control button {
  background: var(--panel-bg);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: background 0.2s ease, transform 0.1s ease;
}

.ol-control button:hover {
  background: #122138;
  transform: translateY(-1px);
}

.ol-control button:active {
  transform: translateY(0);
}

.ol-zoom {
  top: 14px;
  right: 14px;
  left: auto;
}

.ol-zoom button {
  font-weight: 700;
}

.ol-tooltip {
  position: relative;
  background: #0f1a32;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  white-space: nowrap;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.ol-tooltip-measure {
  white-space: normal;
  max-width: 260px;
  min-width: 120px;
}

.segment-label,
.total-label {
  position: absolute;
  background: rgba(15, 26, 50, 0.9);
  border: 1px solid var(--panel-border);
  padding: 2px 4px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text);
  border-radius: 6px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.total-label {
  font-weight: bold;
}

.segment-label:after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #0f1a32 transparent transparent transparent;
}