/* hud.css - HUD surfaces and shared overlays */

.hud-panel {
  position: absolute;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.08), transparent 30%),
    radial-gradient(circle at 86% 115%, rgba(145, 186, 255, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 26%),
    linear-gradient(180deg, var(--hud-surface-top), var(--hud-surface-bottom));
  border: 1px solid var(--hud-border);
  box-shadow:
    inset 0 1px 0 var(--hud-highlight),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    var(--hud-shadow),
    0 0 0 1px rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.hud-panel::before {
  content: '';
  position: absolute;
  inset: 1px 1px 52% 1px;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02) 58%, transparent 100%);
  opacity: 0.52;
  pointer-events: none;
}

.hud-panel::after {
  content: '';
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(244, 249, 255, 0.22), rgba(164, 194, 226, 0.08) 36%, rgba(90, 123, 161, 0.04) 70%, rgba(255, 255, 255, 0.16));
  opacity: 0.72;
  pointer-events: none;
  filter: blur(0.2px);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
}

.hud-panel > * {
  position: relative;
  z-index: 1;
}

.hud-panel-title {
  color: var(--hud-title);
  margin: 0 0 var(--hud-gap-sm);
  font-size: var(--hud-title-size);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.hud-panel-drag-handle {
  cursor: grab;
  user-select: none;
}

.hud-panel-drag-handle:active {
  cursor: grabbing;
}

.hud-panel__header,
.hud-panel-header {
  --hud-header-padding: 0 0 var(--hud-gap-sm);
  --hud-header-gap: var(--hud-gap-sm);
  --hud-header-border-color: var(--hud-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--hud-header-gap);
  margin-bottom: var(--hud-gap-sm);
  padding: var(--hud-header-padding);
  border-bottom: 1px solid var(--hud-header-border-color);
}

.hud-panel__title-group {
  display: flex;
  align-items: center;
  gap: var(--hud-gap-xs);
  min-width: 0;
  flex: 1 1 auto;
}

.hud-panel__title,
.hud-panel__header .hud-panel-title,
.hud-panel-header .hud-panel-title {
  margin: 0;
  color: var(--hud-text-soft);
  font-size: var(--hud-panel-header-title-size);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.hud-panel__subtitle {
  color: var(--hud-text-soft);
  font-size: calc(0.7rem * var(--hud-scale));
  line-height: 1.4;
}

.hud-panel__chip {
  flex: 0 0 auto;
}

.hud-panel__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--hud-gap-xs);
  flex-shrink: 0;
}

.hud-panel__action,
.hud-panel-close {
  --hud-action-padding: calc(7px * var(--hud-scale));
  --hud-action-icon-size: calc(16px * var(--hud-scale));
  border: 1px solid transparent;
  border-radius: calc(4px * var(--hud-scale));
  background: transparent;
  color: var(--hud-text-muted);
  padding: var(--hud-action-padding);
  width: auto;
  height: auto;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: auto;
  cursor: pointer;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease,
    opacity 0.18s ease;
}

.hud-panel__action .material-symbols-rounded,
.hud-panel-close .material-symbols-rounded {
  font-size: var(--hud-action-icon-size);
  line-height: 1;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
  pointer-events: none;
}

.hud-panel__action:hover:not(:disabled),
.hud-panel-close:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(225, 239, 255, 0.14);
  color: var(--hud-accent-strong);
}

.hud-panel__action:disabled,
.hud-panel-close:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.hud-panel__body {
  position: relative;
  z-index: 1;
}

.hud-panel__body--collapsible {
  --hud-body-collapse-gap: var(--hud-gap-sm);
  --hud-body-max-height: 1000px;
  overflow: hidden;
  opacity: 1;
  max-height: var(--hud-body-max-height);
  transition:
    max-height 0.26s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease,
    margin 0.22s ease;
}

.hud-panel--collapsed .hud-panel__body--collapsible {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  margin-top: calc(-1 * var(--hud-body-collapse-gap));
}

.hud-panel.is-dragging {
  transition: none !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 24px 52px rgba(0, 0, 0, 0.28),
    0 0 36px rgba(120, 200, 255, 0.16);
}

.hud-panel.is-layout-animating {
  transition: none !important;
}

.hud-panel-hidden {
  display: none !important;
}

.hud-panel-row {
  display: flex;
  justify-content: space-between;
  gap: var(--hud-gap-sm);
  align-items: baseline;
}

.hud-panel-label {
  color: var(--hud-text-soft);
  font-size: var(--hud-font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hud-panel-value {
  color: var(--hud-text);
  font-weight: 600;
}

.hud-error-message {
  color: #ff4444;
  margin-top: 10px;
  font-size: 0.9rem;
  display: none;
  padding: 10px;
  background-color: rgba(255, 68, 68, 0.1);
  border-radius: 5px;
  border-left: 3px solid #ff4444;
}

.earth-status-message {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translate(-50%, -18px);
  background:
    linear-gradient(180deg, rgba(18, 31, 52, 0.92), rgba(8, 18, 32, 0.9));
  border-radius: 14px;
  padding: 11px 15px;
  z-index: 210;
  box-shadow: var(--hud-shadow-soft);
  border: 1px solid var(--hud-border);
  font-size: 0.9rem;
  display: none;
  backdrop-filter: blur(10px);
  text-align: center;
  min-width: 180px;
  opacity: 0;
  transition:
    transform 0.28s ease,
    opacity 0.28s ease;
}

.earth-status-message.visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

.earth-status-message.success {
  color: #d8f7df;
  border-left: 3px solid #66d18f;
}

.earth-status-message.warning {
  color: #fff2c3;
  border-left: 3px solid #e4c464;
}

.earth-status-message.error {
  color: #ffd4d7;
  border-left: 3px solid #ff7b86;
}

.earth-tooltip {
  position: absolute;
  background:
    linear-gradient(180deg, rgba(21, 37, 61, 0.96), rgba(8, 18, 31, 0.95));
  border: 1px solid rgba(214, 230, 247, 0.14);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.78rem;
  color: var(--hud-text);
  pointer-events: none;
  z-index: 100;
  box-shadow: var(--hud-shadow-soft);
  display: none;
  user-select: none;
}

.earth-settings-modal {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: none;
}

.earth-settings-modal.is-open {
  display: block;
}

.earth-settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 20, 0.46);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.earth-settings-sheet {
  position: fixed;
  top: max(32px, 9vh);
  right: 16px;
  left: 16px;
  width: min(560px, calc(100vw - 32px));
  max-width: 560px;
  max-height: calc(100vh - max(64px, 18vh));
  margin-inline: auto;
  transform: none;
  border-radius: calc(24px * var(--hud-scale));
  padding: calc(20px * var(--hud-scale));
  display: flex;
  flex-direction: column;
  gap: var(--hud-gap-md);
  overflow: hidden;
}

.earth-settings-sheet.liquid-glass-surface {
  animation: none;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.09), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 28%),
    linear-gradient(180deg, rgba(19, 34, 56, 0.92), rgba(8, 18, 31, 0.9));
  border-color: rgba(207, 224, 243, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 24px 56px rgba(2, 7, 15, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.025);
}

.earth-settings-sheet.liquid-glass-surface:hover,
.earth-settings-sheet.liquid-glass-surface:active,
.earth-settings-sheet.liquid-glass-surface.is-pressed {
  --btn-scale: 1;
  --press-offset: 0px;
  --glow-opacity: 0.24;
  transform: none;
}

.earth-settings-header,
.earth-settings-content {
  position: relative;
  z-index: 1;
}

.earth-settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--hud-gap-md);
  padding-bottom: var(--hud-gap-sm);
  border-bottom: 1px solid var(--hud-line);
}

.earth-settings-kicker {
  color: var(--hud-text-soft);
  font-size: var(--hud-kicker-size);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.earth-settings-title {
  margin: 4px 0 0;
  color: var(--hud-title);
  font-size: var(--hud-panel-header-title-size);
  font-weight: 600;
  line-height: 1.2;
}

.earth-settings-close {
  margin-top: 4px;
  align-self: auto;
  width: auto;
  height: auto;
  min-width: 0;
  padding: calc(7px * var(--hud-scale));
}

.earth-settings-close .material-symbols-rounded {
  font-size: calc(16px * var(--hud-scale));
}

.earth-settings-content {
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(160, 186, 216, 0.34) transparent;
}

.earth-settings-content::-webkit-scrollbar {
  width: 6px;
}

.earth-settings-content::-webkit-scrollbar-track {
  background: transparent;
}

.earth-settings-content::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(210, 225, 242, 0.2), rgba(126, 154, 185, 0.28));
  border-radius: 999px;
}

.earth-settings-section {
  padding: 12px 0 20px;
}

.earth-settings-section-title {
  margin-bottom: 12px;
  color: var(--hud-text-soft);
  font-size: var(--hud-kicker-size);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.earth-settings-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.earth-settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(212, 227, 244, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.earth-settings-item:hover {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent),
    rgba(255, 255, 255, 0.04);
  border-color: rgba(224, 236, 249, 0.14);
  transform: translateY(-1px);
}

.earth-settings-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.earth-settings-item-title {
  color: var(--hud-text);
  font-size: calc(0.98rem * var(--hud-scale));
  font-weight: 600;
}

.earth-settings-item-subtitle {
  color: var(--hud-text-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.earth-settings-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.earth-settings-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.earth-settings-switch-track {
  width: 48px;
  height: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(215, 229, 242, 0.12);
  position: relative;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.earth-settings-switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #edf4fc;
  box-shadow: 0 6px 14px rgba(1, 8, 18, 0.26);
  transition: transform 0.18s ease;
}

.earth-settings-switch input:checked + .earth-settings-switch-track {
  background: linear-gradient(180deg, rgba(143, 185, 255, 0.72), rgba(104, 147, 221, 0.78));
  border-color: rgba(223, 236, 252, 0.28);
}

.earth-settings-switch input:checked + .earth-settings-switch-track::after {
  transform: translateX(18px);
}

@media (max-width: 960px) {
  .earth-settings-sheet {
    top: 24px;
    right: 12px;
    left: 12px;
    width: auto;
    max-width: none;
    max-height: calc(100vh - 48px);
  }
}

/* .earth-left-column layout-expanded rule lives in info-panel.css */
/* .hud-panel-legend layout-expanded rule lives in legend.css */
/* .hud-panel-stats layout-expanded rule lives in earth-stats.css */
/* .hud-panel-layers layout-expanded rule lives in layer-panel.css */
/* .hud-panel-media layout-expanded rule lives in tv-panel.css */