:root {
  --bg-top: #08111f;
  --bg-bottom: #03070d;
  --panel-bg: rgba(8, 15, 30, 0.78);
  --panel-border: rgba(196, 224, 255, 0.2);
  --topbar-bg: rgba(5, 11, 22, 0.74);
  --topbar-border: rgba(183, 221, 255, 0.2);
  --hud-shell-bg: linear-gradient(180deg, rgba(13, 24, 43, 0.92), rgba(4, 8, 17, 0.88));
  --hud-shell-shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
  --hud-compact-detail-width: min(640px, calc(100vw - 48px));
  --hud-compact-detail-max-height: min(48svh, 460px);
  --hud-compact-detail-padding: 12px 13px;
  --hud-compact-detail-radius: 20px;
  --hud-compact-detail-bottom: 20px;
  --hud-compact-content-columns: minmax(100px, 110px) minmax(0, 1fr);
  --hud-compact-content-gap: 6px 8px;
  --hud-compact-subtabs-gap: 5px;
  --hud-compact-subtabs-padding: 6px;
  --hud-compact-subtabs-radius: 14px;
  --hud-compact-subtab-min-height: 30px;
  --hud-compact-subtab-padding: 5px 8px;
  --hud-compact-subtab-font-size: 0.72rem;
  --hud-compact-card-padding: 9px;
  --hud-compact-card-radius: 12px;
  --hud-compact-overlay-gap: 6px;
  --hud-compact-copy-margin-top: 6px;
  --hud-compact-copy-font-size: 0.81rem;
  --hud-compact-subtle-font-size: 0.76rem;
  --hud-compact-coord-grid-gap: 5px;
  --hud-compact-coord-grid-margin-top: 6px;
  --hud-compact-coord-card-padding: 7px;
  --hud-compact-coord-card-radius: 11px;
  --hud-compact-button-compact-margin-top: 6px;
  --hud-compact-button-compact-padding: 6px 10px;
  --hud-compact-side-rail-width: min(220px, calc(100vw - 40px));
  --hud-compact-side-card-max-height: min(34svh, 320px);
  --hud-compact-side-card-padding: 8px;
  --hud-compact-side-card-radius: 16px;
  --hud-compact-mobile-detail-max-height: min(56svh, 560px);
  --hud-compact-mobile-detail-max-height-dynamic: 9999px;
  --hud-compact-mobile-detail-padding: 14px 12px 14px;
  --hud-compact-mobile-detail-radius: 22px 22px 0 0;
  --hud-compact-mobile-detail-bottom: calc(env(safe-area-inset-bottom, 0px) + 56px);
  --hud-compact-mobile-subtabs-gap: 6px;
  --hud-compact-mobile-subtabs-margin: 0 0 8px;
  --hud-compact-mobile-subtabs-padding: 3px;
  --hud-compact-mobile-subtab-padding: 7px 11px;
  --hud-compact-mobile-subtab-min-height: 36px;
  --hud-compact-mobile-subtab-font-size: 0.8rem;
  --text-main: #eff5ff;
  --text-muted: #b1bfd4;
  --accent: #7fd0ff;
  --accent-strong: #dbefff;
  --shadow: rgba(0, 0, 0, 0.4);
  --scrollbar-track: rgba(7, 16, 31, 0.58);
  --scrollbar-thumb: rgba(128, 205, 255, 0.55);
  --scrollbar-thumb-hover: rgba(166, 223, 255, 0.78);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(18, 55, 97, 0.35), transparent 38%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text-main);
  font-family: "Space Grotesk", sans-serif;
}

body {
  overflow: hidden;
}

html.app-mode,
html.app-mode body {
  overscroll-behavior: none;
}

html.app-mode #scene {
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

body.help-modal-open {
  overflow: hidden !important;
}

body[data-layout-mode="hud"].settings-panel-open {
  overflow: hidden !important;
}

body[data-layout-mode="hud"].settings-panel-open #scene,
body[data-layout-mode="hud"].settings-panel-open .detail-panel-shell {
  pointer-events: none;
}

.settings-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 24;
  background:
    radial-gradient(circle at top, rgba(102, 177, 255, 0.1), transparent 34%),
    rgba(2, 6, 13, 0.56);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.settings-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

code {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.95em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

.app-shell {
  position: relative;
  min-height: 100vh;
}

.first-person-overlay {
  --horizon-offset: 0px;
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
}

.first-person-overlay.active {
  opacity: 1;
}

.first-person-prep {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at center, rgba(94, 169, 255, 0.18), transparent 34%),
    rgba(3, 8, 17, 0.62);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  z-index: 3;
}

.first-person-prep.active {
  opacity: 1;
}

.solar-eclipse-toast {
  position: absolute;
  left: 50%;
  top: 24px;
  z-index: 6;
  width: min(420px, calc(100vw - 48px));
  padding: 16px 18px 15px;
  border-radius: 20px;
  border: 1px solid rgba(248, 213, 147, 0.3);
  background:
    linear-gradient(180deg, rgba(28, 20, 11, 0.96), rgba(9, 12, 24, 0.92));
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.solar-eclipse-toast.active {
  opacity: 1;
  transform: translate(-50%, 0);
}

.solar-eclipse-toast-title {
  display: block;
  color: #ffe8b7;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.solar-eclipse-toast-copy {
  margin: 8px 0 0;
  color: #f4f7ff;
  line-height: 1.5;
  font-size: 0.95rem;
}

.first-person-prep-card {
  width: min(420px, calc(100vw - 48px));
  padding: 22px 22px 18px;
  border-radius: 22px;
  border: 1px solid rgba(210, 233, 255, 0.2);
  background:
    linear-gradient(180deg, rgba(17, 33, 58, 0.94), rgba(6, 12, 24, 0.9));
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.first-person-prep-label {
  margin: 0;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.first-person-prep-title {
  display: block;
  margin-top: 10px;
  color: #f3f9ff;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.first-person-prep-copy {
  margin: 10px 0 0;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.94rem;
}

.first-person-prep-bar {
  margin-top: 18px;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.first-person-prep-bar-fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #86d6ff, #f7d08b);
  box-shadow: 0 0 20px rgba(134, 214, 255, 0.42);
  transition: width 120ms linear;
}

.first-person-prep-progress {
  margin: 10px 0 0;
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
  text-align: right;
}

.first-person-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(155, 222, 255, 0.08), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%, transparent 76%, rgba(255, 255, 255, 0.03));
}

.first-person-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 0 48%, rgba(4, 8, 15, 0.08) 64%, rgba(3, 7, 13, 0.38) 84%, rgba(2, 5, 10, 0.72) 100%),
    radial-gradient(ellipse at 50% 112%, rgba(2, 4, 8, 0.5), transparent 18%),
    linear-gradient(90deg, rgba(2, 5, 10, 0.26), transparent 15%, transparent 85%, rgba(2, 5, 10, 0.26));
}

.first-person-horizon {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  transform: translateY(var(--horizon-offset));
  background: linear-gradient(90deg, transparent, rgba(190, 236, 255, 0.58), transparent);
  box-shadow: 0 0 22px rgba(127, 208, 255, 0.2);
}

.first-person-vp {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, calc(-50% + var(--horizon-offset)));
  width: 36px;
  height: 36px;
}

.first-person-vp-dot,
.first-person-vp-ring {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  border-radius: 999px;
}

.first-person-vp-dot {
  width: 6px;
  height: 6px;
  background: #f2fbff;
  box-shadow: 0 0 18px rgba(127, 208, 255, 0.95);
}

.first-person-vp-ring {
  width: 26px;
  height: 26px;
  border: 1px solid rgba(190, 236, 255, 0.68);
  box-shadow: 0 0 24px rgba(127, 208, 255, 0.18), inset 0 0 24px rgba(127, 208, 255, 0.12);
}

.app-topbar {
  position: absolute;
  top: 20px;
  left: 24px;
  right: 24px;
  z-index: 12;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  pointer-events: none;
}

.topbar-left,
.topbar-nav-slot,
.topbar-quick-slot,
.topbar-right,
.topbar-persistent-actions,
.topbar-utility-slot {
  pointer-events: auto;
}

.topbar-layout-slot,
.topbar-help-slot,
.topbar-status-slot {
  display: contents;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1 1 0;
}

.topbar-brand,
.topbar-persistent-actions,
.topbar-nav-slot .panel-tabs,
.topbar-chip,
.topbar-utility-slot .language-toggle-row {
  border: 1px solid var(--topbar-border);
  background: var(--topbar-bg);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.topbar-brand {
  min-width: 0;
  padding: 14px 18px;
  border-radius: 22px;
}

.topbar-brand-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.topbar-brand-copy {
  min-width: 0;
}

.topbar-brand-settings-slot {
  display: none;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.topbar-brand-nav-slot {
  display: none;
}

.topbar-eyebrow {
  margin-bottom: 6px;
}

.topbar-title {
  display: block;
  color: #f5fbff;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.topbar-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.topbar-chip {
  min-width: 0;
  max-width: 210px;
  padding: 10px 12px;
  border-radius: 18px;
}

.topbar-chip-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-chip-value {
  display: block;
  margin-top: 5px;
  color: var(--accent-strong);
  font-size: 0.88rem;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-nav-slot {
  display: flex;
  justify-content: center;
  flex: 1 1 auto;
  min-width: 0;
}

.topbar-nav-slot .panel-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px;
  border-radius: 999px;
}

.topbar-nav-slot .panel-tab {
  min-width: 120px;
  padding: 11px 16px;
  border-radius: 999px;
}

.topbar-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex: 1 1 0;
}

.topbar-quick-slot {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.topbar-quick-slot .camera-preset-row {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--topbar-border);
  border-radius: 999px;
  background: var(--topbar-bg);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.topbar-quick-slot .button {
  min-width: 120px;
  white-space: nowrap;
}

.camera-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(183, 221, 255, 0.2);
  background: rgba(8, 15, 30, 0.42);
}

.camera-view-mode {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 160ms ease;
}

.camera-view-mode.active {
  color: var(--accent-strong);
}

.camera-view-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.camera-view-switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.camera-view-track {
  display: inline-flex;
  align-items: center;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.camera-view-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(236, 247, 255, 0.98), rgba(163, 214, 248, 0.9));
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transform: translateX(0);
  transition: transform 180ms ease;
}

.camera-view-switch input:checked + .camera-view-track {
  background: rgba(127, 208, 255, 0.24);
  border-color: rgba(158, 219, 255, 0.55);
}

.camera-view-switch input:checked + .camera-view-track .camera-view-thumb {
  transform: translateX(20px);
}

.topbar-persistent-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 999px;
}

.topbar-settings-home {
  display: contents;
}

.settings-anchor {
  position: relative;
  display: inline-flex;
}

.settings-toggle-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.settings-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  font-size: 1rem;
  line-height: 1;
}

.settings-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 3;
  width: min(360px, calc(100vw - 32px));
  padding: 16px;
  border: 1px solid var(--topbar-border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(18, 32, 56, 0.96), rgba(7, 12, 24, 0.94));
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(24px);
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.settings-popover::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.settings-popover::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

.settings-popover::-webkit-scrollbar-thumb {
  background:
    linear-gradient(180deg, rgba(189, 232, 255, 0.7), rgba(104, 184, 234, 0.72));
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 999px;
}

.settings-popover::-webkit-scrollbar-thumb:hover {
  background:
    linear-gradient(180deg, rgba(219, 241, 255, 0.88), rgba(129, 201, 244, 0.9));
  border: 2px solid transparent;
  background-clip: padding-box;
}

.settings-popover.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.settings-popover-header {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
}

.settings-popover-title {
  color: #f5fbff;
  font-size: 1rem;
}

.settings-popover-body {
  display: grid;
  gap: 14px;
}

.settings-primary-slot,
.settings-status-slot {
  display: none;
}

.topbar-utility-slot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.settings-utility-slot {
  display: grid;
  gap: 12px;
  justify-content: stretch;
}

.settings-overlay-group {
  display: grid;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.settings-overlay-group .overlay-row {
  padding: 4px 0;
}

.settings-privacy-group {
  display: grid;
  gap: 0;
}

.settings-privacy-group .sync-copy {
  margin-top: 8px;
}

.settings-privacy-actions {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.settings-privacy-button {
  width: 100%;
  justify-content: center;
}

.topbar-utility-slot .language-toggle-row {
  margin: 0;
  padding: 10px 14px;
  border-radius: 999px;
}

.topbar-utility-slot .button-row {
  margin: 0;
}

.topbar-utility-slot .button {
  padding: 10px 15px;
}

.settings-utility-slot .language-toggle-row {
  width: 100%;
  padding: 12px 14px;
  border-radius: 18px;
}

.settings-utility-slot .button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
}

.settings-utility-slot .button {
  width: 100%;
  text-align: center;
}

.layout-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.layout-switch.single-mode {
  justify-content: center;
}

.layout-mode-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 9px 14px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.layout-mode-button:hover {
  transform: translateY(-1px);
}

.layout-mode-button.active {
  background: linear-gradient(135deg, rgba(222, 240, 255, 0.96), rgba(132, 210, 255, 0.9));
  color: #07111f;
}
.app-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--topbar-border);
  background: var(--topbar-bg);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.app-switch-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.app-switch-link:hover {
  transform: translateY(-1px);
}

.app-switch-link.active {
  background: linear-gradient(135deg, rgba(222, 240, 255, 0.96), rgba(132, 210, 255, 0.9));
  color: #07111f;
}

.help-modal-layer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
}

.help-modal-layer[hidden] {
  display: none !important;
}

.help-modal-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top, rgba(102, 177, 255, 0.12), transparent 30%),
    rgba(2, 6, 13, 0.72);
  backdrop-filter: blur(12px);
}

.help-modal {
  position: relative;
  width: min(900px, calc(100vw - 48px));
  max-height: min(80svh, 760px);
  display: flex;
  flex-direction: column;
  border-radius: 30px;
  border: 1px solid rgba(201, 228, 255, 0.22);
  background: linear-gradient(180deg, rgba(10, 20, 37, 0.96), rgba(5, 10, 18, 0.93));
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.48);
  overflow: hidden;
  transform: translateY(10px) scale(0.985);
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
}

.help-modal-layer.active .help-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.help-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.help-modal-header h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  line-height: 1.05;
}

.help-modal-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  overflow: auto;
}

.help-section {
  padding: 18px;
  border-radius: 22px;
  background:
    radial-gradient(circle at top right, rgba(127, 208, 255, 0.1), transparent 36%),
    rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.help-section-wide {
  grid-column: 1 / -1;
}

.help-section h3 {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.96rem;
}

.help-section p {
  margin: 10px 0 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.help-steps {
  margin-top: 14px;
}

.hud-side-rail {
  display: none;
}

.hud-side-card {
  display: none;
}

.panel-layout {
  position: absolute;
  inset: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  pointer-events: none;
}

#scene {
  display: block;
  width: 100vw;
  height: 100vh;
}

.control-panel {
  position: relative;
  width: min(400px, calc(50vw - 36px));
  padding: 22px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel-bg);
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(20px);
  pointer-events: auto;
}

.summary-panel {
  width: min(420px, calc(50vw - 36px));
}

.detail-panel {
  width: min(380px, calc(50vw - 36px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.panel-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.panel-tab {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.panel-tab:hover {
  transform: translateY(-1px);
}

.panel-tab.active {
  background: linear-gradient(135deg, rgba(222, 240, 255, 0.96), rgba(132, 210, 255, 0.9));
  color: #07111f;
  border-color: rgba(208, 236, 255, 0.96);
}

.panel-tab-content {
  margin-top: 16px;
}

.comparison-mode-panel,
.comparison-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
}

.comparison-mode-panel {
  margin-bottom: 12px;
}

.comparison-scene-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.comparison-total-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.comparison-section-body {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.comparison-score-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.comparison-score-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  padding: 10px;
  display: grid;
  gap: 6px;
}

.comparison-score-card-flat {
  border-color: rgba(120, 200, 255, 0.28);
}

.comparison-score-card-spherical {
  border-color: rgba(255, 194, 138, 0.28);
}

.comparison-score-title {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.comparison-score-value {
  font-size: 1.2rem;
  line-height: 1;
}

.comparison-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.comparison-badge.ok {
  background: rgba(132, 218, 171, 0.2);
  color: #bcf4d4;
  border-color: rgba(132, 218, 171, 0.42);
}

.comparison-badge.contradiction {
  background: rgba(255, 138, 138, 0.2);
  color: #ffd0d0;
  border-color: rgba(255, 138, 138, 0.42);
}

.comparison-flag-value,
.comparison-evidence-title {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.76rem;
}

.comparison-table-wrap {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.74rem;
}

.comparison-table th,
.comparison-table td {
  padding: 7px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  white-space: nowrap;
}

.comparison-table th {
  color: var(--text-muted);
  font-weight: 700;
}

.hud-subtabs {
  display: none;
}

.hud-subtab {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.hud-subtab:hover {
  transform: translateY(-1px);
}

.hud-subtab.active {
  background: linear-gradient(135deg, rgba(222, 240, 255, 0.96), rgba(132, 210, 255, 0.9));
  color: #07111f;
  border-color: rgba(208, 236, 255, 0.96);
}

.panel-tab-content[hidden] {
  display: none !important;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.24em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 0.95;
}

.panel-copy {
  margin: 14px 0 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.language-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.language-toggle-label {
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, #d6ebff, #7ec8ff);
  color: #07111f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.orbit-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.sync-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 238, 189, 0.08), rgba(126, 208, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.walker-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(190, 255, 216, 0.08), rgba(126, 208, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.moon-audit-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(252, 226, 178, 0.08), rgba(166, 190, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.moon-phase-panel {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.moon-phase-copy {
  margin-top: 8px;
}

.moon-phase-visual {
  position: relative;
  margin-top: 14px;
  aspect-ratio: 1;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 48%, rgba(18, 48, 92, 0.48), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.moon-phase-chart-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moon-phase-pointer {
  --moon-phase-angle: 0deg;
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform: rotate(var(--moon-phase-angle));
  transform-origin: center;
  transition: transform 260ms ease-out;
}

.moon-phase-pointer-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 36%;
  transform: translate(-50%, -100%);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(106, 224, 255, 0.96), rgba(106, 224, 255, 0.12));
  box-shadow: 0 0 18px rgba(106, 224, 255, 0.52);
}

.moon-phase-pointer-dot {
  position: absolute;
  left: 50%;
  top: 14%;
  width: 16px;
  height: 16px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: #f4fbff;
  border: 2px solid rgba(9, 20, 38, 0.92);
  box-shadow:
    0 0 0 4px rgba(106, 224, 255, 0.18),
    0 0 18px rgba(106, 224, 255, 0.72);
}

.moon-phase-grid {
  margin-top: 14px;
}

.hud-side-home {
  display: block;
}

.hud-panel-home,
.hud-panel-slot {
  display: block;
}

.sun-audit-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 222, 152, 0.08), rgba(137, 216, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.eclipse-selector-panel {
  margin-bottom: 16px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(4, 9, 20, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.eclipse-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.eclipse-selector-grid .field {
  margin-top: 0;
}

.eclipse-upload-field {
  margin-top: 12px;
}

.eclipse-selected-grid {
  margin-top: 14px;
}

.route-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(130, 255, 223, 0.08), rgba(126, 168, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.route-panel:first-child {
  margin-top: 0;
}

.constellation-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(159, 208, 255, 0.1), rgba(126, 168, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.constellation-panel:first-child {
  margin-top: 0;
}

.constellation-info-panel {
  background: linear-gradient(180deg, rgba(255, 230, 174, 0.09), rgba(126, 208, 255, 0.08));
}

.constellation-zodiac-panel {
  background: linear-gradient(180deg, rgba(255, 196, 109, 0.12), rgba(126, 168, 255, 0.08));
}

.constellation-map-wrap {
  margin-top: 14px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 24%, rgba(150, 208, 255, 0.12), transparent 52%),
    rgba(5, 11, 24, 0.6);
}

.constellation-map {
  width: 100%;
  aspect-ratio: 1;
  min-height: 220px;
}

.constellation-map svg {
  display: block;
  width: 100%;
  height: auto;
}

.zodiac-age-view-wrap {
  margin-top: 14px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 204, 118, 0.16), transparent 42%),
    radial-gradient(circle at 50% 80%, rgba(126, 196, 255, 0.12), transparent 48%),
    rgba(5, 11, 24, 0.7);
}

.zodiac-age-view {
  width: 100%;
  aspect-ratio: 1;
  min-height: 240px;
}

.zodiac-age-view svg {
  display: block;
  width: 100%;
  height: auto;
}

.route-summary-panel {
  background: linear-gradient(180deg, rgba(255, 214, 145, 0.08), rgba(126, 208, 255, 0.08));
}

.sync-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sync-row + .sync-row {
  margin-top: 10px;
}

.overlay-row {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sync-title {
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.toggle-switch {
  position: relative;
  flex: 0 0 auto;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(180deg, #f8fcff, #cfe7ff);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
  transition: transform 180ms ease, background-color 180ms ease;
}

.toggle input:checked + .toggle-switch {
  background: linear-gradient(135deg, rgba(126, 208, 255, 0.88), rgba(214, 235, 255, 0.92));
  border-color: rgba(214, 235, 255, 0.92);
  box-shadow: 0 0 18px rgba(127, 208, 255, 0.22);
}

.toggle input:checked + .toggle-switch::after {
  transform: translateX(20px);
  background: linear-gradient(180deg, #ffffff, #eef7ff);
}

.toggle input:focus-visible + .toggle-switch {
  outline: 2px solid rgba(126, 208, 255, 0.95);
  outline-offset: 3px;
}

.toggle-text {
  color: var(--accent-strong);
  line-height: 1;
}

.field {
  display: block;
  margin-top: 14px;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.datetime-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(3, 7, 13, 0.42);
  color: var(--text-main);
  font: inherit;
}

.datetime-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.select-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(3, 7, 13, 0.42);
  color: var(--text-main);
  font: inherit;
}

.select-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.file-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(3, 7, 13, 0.42);
  color: var(--text-main);
  font: inherit;
}

.file-input::file-selector-button {
  margin-right: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  font: inherit;
  cursor: pointer;
}

.file-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.slider-input {
  width: 100%;
  margin: 0;
  accent-color: #8ad7ff;
}

.slider-input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.celestial-value-row {
  margin-top: 8px;
}

.seasonal-year-input {
  appearance: textfield;
}

.button-row.compact {
  margin-top: 14px;
}

.camera-preset-row {
  margin-top: 10px;
}

.camera-preset-row .button {
  flex: 1 1 0;
  justify-content: center;
  text-align: center;
}

.compact-button {
  padding: 10px 14px;
}

.sync-copy {
  margin: 14px 0 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.sync-copy.subtle {
  margin-top: 10px;
  font-size: 0.86rem;
}

#route-dataset-status.error {
  color: #ffb7b7;
}

#eclipse-catalog-status.error {
  color: #ffb7b7;
}

.route-speed-value {
  color: var(--accent-strong);
  font-size: 0.92rem;
}

.coord-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.coord-card {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.coord-label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.coord-value {
  color: var(--accent-strong);
  font-size: 0.94rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.orbit-title {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.audit-block-title {
  margin: 16px 0 0;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

.orbit-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.track-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.seasonal-event-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.seasonal-sun-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.seasonal-sun-card {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.seasonal-sun-heading {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.35;
}

.seasonal-sun-meta {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.seasonal-sun-values {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.seasonal-sun-label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 0.76rem;
}

.seasonal-sun-value {
  color: var(--accent-strong);
  font-size: 0.92rem;
  line-height: 1.3;
}

.orbit-mode {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.orbit-mode:hover {
  transform: translateY(-1px);
}

.orbit-mode:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.orbit-mode.active {
  background: linear-gradient(135deg, rgba(222, 240, 255, 0.95), rgba(132, 210, 255, 0.88));
  color: #07111f;
  border-color: rgba(208, 236, 255, 0.95);
}

.orbit-copy {
  margin: 12px 0 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.season-panel {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 207, 116, 0.09), rgba(123, 208, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.season-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.season-row + .season-row {
  margin-top: 10px;
}

.season-key {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.season-value {
  color: var(--accent-strong);
  font-size: 0.98rem;
  text-align: right;
}

.season-copy {
  margin: 12px 0 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.stat-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.steps {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--text-muted);
  line-height: 1.6;
}

.summary-utility-slot[hidden] {
  display: none !important;
}

.hint {
  margin: 18px 0 0;
  color: var(--accent-strong);
  font-size: 0.95rem;
}

body[data-layout-mode="classic"] .app-topbar {
  justify-content: flex-end;
}

body[data-layout-mode="classic"] .topbar-left,
body[data-layout-mode="classic"] .topbar-nav-slot {
  display: none;
}

body[data-layout-mode="classic"] .topbar-persistent-actions {
  margin-left: auto;
}

body[data-layout-mode="hud"] .panel-layout {
  inset: 0;
  display: block;
}

body[data-layout-mode="hud"] .hud-side-rail:not([hidden]) {
  position: absolute;
  top: 116px;
  right: 24px;
  z-index: 11;
  display: block;
  width: var(--hud-compact-side-rail-width);
  pointer-events: none;
}

body[data-layout-mode="hud"] .hud-side-card:not([hidden]) {
  display: block;
  max-height: var(--hud-compact-side-card-max-height);
  padding: var(--hud-compact-side-card-padding);
  border-radius: var(--hud-compact-side-card-radius);
  border: 1px solid rgba(201, 228, 255, 0.2);
  background: linear-gradient(180deg, rgba(12, 22, 38, 0.95), rgba(4, 8, 16, 0.92));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(20px);
  overflow: auto;
  pointer-events: auto;
}

body[data-layout-mode="hud"] .hud-side-card-header {
  display: grid;
  gap: 4px;
  margin-bottom: 6px;
}

body[data-layout-mode="hud"] .hud-side-card-title {
  color: #f5fbff;
  font-size: 0.96rem;
}

body[data-layout-mode="hud"] .hud-side-card-slot > .moon-phase-panel {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

body[data-layout-mode="hud"] .hud-side-card-slot .moon-phase-copy {
  display: none;
}

body[data-layout-mode="hud"] .hud-side-card-slot .moon-phase-visual {
  margin-top: 6px;
  border-radius: 14px;
}

body[data-layout-mode="hud"] .hud-side-card-slot .moon-phase-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-layout-mode="hud"] .hud-side-card-slot .coord-card {
  padding: 7px;
}

body[data-layout-mode="hud"] .hud-side-card-slot .constellation-map-wrap {
  margin-top: 0;
  padding: 8px;
}

body[data-layout-mode="hud"] .hud-side-card-slot .constellation-map {
  min-height: 152px;
}

body[data-layout-mode="hud"] .hud-side-card-slot .zodiac-age-view-wrap {
  margin-top: 0;
  padding: 8px;
}

body[data-layout-mode="hud"] .hud-side-card-slot .zodiac-age-view {
  min-height: 152px;
}

body[data-layout-mode="hud"] .summary-panel {
  display: none;
}

body[data-layout-mode="hud"] .detail-panel-shell {
  position: absolute;
  left: 50%;
  bottom: var(--hud-compact-detail-bottom);
  width: var(--hud-compact-detail-width);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
  z-index: 10;
}

body[data-layout-mode="hud"] .detail-panel {
  position: relative;
  width: 100%;
  max-height: var(--hud-compact-detail-max-height);
  padding: var(--hud-compact-detail-padding);
  border-radius: var(--hud-compact-detail-radius);
  background: var(--hud-shell-bg);
  box-shadow: var(--hud-shell-shadow);
  border-color: rgba(196, 224, 255, 0.22);
  overflow-x: hidden;
  overflow-y: auto;
}

body[data-layout-mode="hud"] .detail-panel > .eyebrow {
  display: none;
}

/* ── 접기 버튼 ─────────────────────────────── */
.detail-panel-collapse-btn {
  display: none;
}

body[data-layout-mode="hud"] .detail-panel-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  order: -1;
  width: 52px;
  height: 28px;
  border-radius: 14px 14px 0 0;
  background: var(--hud-shell-bg);
  border: 1px solid rgba(196, 224, 255, 0.18);
  border-bottom: none;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.6rem;
  padding: 0;
  transition: color 0.15s;
}

body[data-layout-mode="hud"] .detail-panel-collapse-btn:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* 패널 접힌 상태 */
body[data-layout-mode="hud"] .detail-panel-shell--collapsed .detail-panel-collapse-icon {
  transform: rotate(180deg);
}

body[data-layout-mode="hud"] .detail-panel-shell--collapsed .detail-panel {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

body[data-layout-mode="hud"] .topbar-nav-slot:empty {
  display: none;
}

body[data-layout-mode="hud"] .detail-panel .panel-tab-content {
  display: grid;
  grid-template-columns: var(--hud-compact-content-columns);
  gap: var(--hud-compact-content-gap);
  margin-top: 0;
  align-items: start;
}

body[data-layout-mode="hud"] .detail-panel .coord-grid,
body[data-layout-mode="hud"] .detail-panel .seasonal-sun-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-layout-mode="hud"] .detail-panel .panel-tabs-home {
  display: none;
}

body[data-layout-mode="hud"] .topbar-nav-slot .panel-tabs {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
}

body[data-layout-mode="hud"] .topbar-nav-slot .panel-tab {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 0.82rem;
  border-radius: 10px;
}

body[data-layout-mode="hud"] .detail-panel .hud-subtabs {
  position: sticky;
  top: 0;
  display: grid;
  gap: var(--hud-compact-subtabs-gap);
  margin: 0;
  padding: var(--hud-compact-subtabs-padding);
  align-self: start;
  border-radius: var(--hud-compact-subtabs-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(128, 205, 255, 0.08), transparent 42%),
    rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body[data-layout-mode="hud"] .detail-panel .hud-subpanel[hidden] {
  display: none !important;
}

body[data-layout-mode="hud"] .detail-panel .hud-subtab {
  width: 100%;
  min-height: var(--hud-compact-subtab-min-height);
  padding: var(--hud-compact-subtab-padding);
  border-radius: 11px;
  font-size: var(--hud-compact-subtab-font-size);
  text-align: left;
}

body[data-layout-mode="hud"] .detail-panel .hud-subpanel {
  grid-column: 2;
  min-width: 0;
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-subpanel + .hud-subpanel:not([hidden]) {
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 10px;
  align-items: start;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-col .field {
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-col .button-row.compact {
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-col .sync-copy {
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .hud-split-col .coord-grid {
  margin-top: 0;
}

body[data-layout-mode="hud"] .detail-panel .sync-panel,
body[data-layout-mode="hud"] .detail-panel .walker-panel,
body[data-layout-mode="hud"] .detail-panel .moon-audit-panel,
body[data-layout-mode="hud"] .detail-panel .orbit-panel,
body[data-layout-mode="hud"] .detail-panel .sun-audit-panel,
body[data-layout-mode="hud"] .detail-panel .route-panel,
body[data-layout-mode="hud"] .detail-panel .constellation-panel {
  padding: var(--hud-compact-card-padding);
  border-radius: var(--hud-compact-card-radius);
}

body[data-layout-mode="hud"] .detail-panel .sync-row + .sync-row {
  margin-top: 7px;
}

body[data-layout-mode="hud"] .detail-panel .overlay-row {
  margin-top: var(--hud-compact-overlay-gap);
  padding-top: var(--hud-compact-overlay-gap);
}

body[data-layout-mode="hud"] .detail-panel .button-row.compact {
  margin-top: var(--hud-compact-button-compact-margin-top);
}

body[data-layout-mode="hud"] .detail-panel .compact-button {
  padding: var(--hud-compact-button-compact-padding);
}

body[data-layout-mode="hud"] .detail-panel .button {
  padding: 7px 13px;
  font-size: 0.82rem;
}

body[data-layout-mode="hud"] .detail-panel .orbit-mode {
  padding: 7px 10px;
  font-size: 0.82rem;
  border-radius: 10px;
}

body[data-layout-mode="hud"] .detail-panel .sync-copy {
  margin-top: var(--hud-compact-copy-margin-top);
  font-size: var(--hud-compact-copy-font-size);
}

body[data-layout-mode="hud"] .detail-panel .sync-copy.subtle {
  margin-top: 8px;
  font-size: var(--hud-compact-subtle-font-size);
}

body[data-layout-mode="hud"] .detail-panel .coord-grid {
  gap: var(--hud-compact-coord-grid-gap);
  margin-top: var(--hud-compact-coord-grid-margin-top);
}

body[data-layout-mode="hud"] .detail-panel .coord-card {
  padding: var(--hud-compact-coord-card-padding);
  border-radius: var(--hud-compact-coord-card-radius);
}

body[data-layout-mode="hud"] .detail-panel .hud-panel-slot > .sun-audit-panel {
  margin-top: 0;
}

body[data-layout-mode="hud"] .solar-eclipse-toast {
  top: 92px;
}

/* ── HUD desktop topbar compaction ───────────────────
   Status chips: 2×2 grid → cuts topbar height ~40% → ~20%
   ──────────────────────────────────────────────────── */
body[data-layout-mode="hud"] .topbar-status {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

body[data-layout-mode="hud"] .topbar-chip {
  max-width: none;
}

@media (min-width: 1081px) {
  body[data-layout-mode="hud"] .topbar-left {
    min-width: 340px;
    flex-shrink: 0;
    align-items: flex-start;
  }

  body[data-layout-mode="hud"] .topbar-brand {
    min-width: 110px;
  }
}

@media (max-width: 1320px) {
  .summary-panel {
    width: min(360px, calc(50vw - 30px));
  }

  .detail-panel {
    width: min(340px, calc(50vw - 30px));
  }
}

@media (max-width: 1080px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100svh;
  }

  .panel-layout {
    position: relative;
    inset: auto;
    display: block;
    padding-bottom: 16px;
    pointer-events: auto;
  }

  #scene {
    height: 66svh;
  }

  .control-panel {
    position: relative;
    width: auto;
    margin: 16px;
  }

  .detail-panel {
    max-height: none;
    overflow: visible;
    margin-top: 0;
  }

  .track-mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solar-eclipse-toast {
    top: 16px;
    width: min(420px, calc(100vw - 32px));
  }
}

@media (max-width: 1380px) {
  .topbar-status {
    gap: 8px;
  }

  .topbar-chip {
    max-width: 180px;
  }
}

@media (max-width: 1080px) {
  body[data-layout-mode="hud"] {
    overflow: hidden;
  }

  body[data-layout-mode="hud"] .hud-side-rail {
    display: none !important;
  }

  body[data-layout-mode="hud"] .app-shell {
    min-height: 100svh;
  }

  body[data-layout-mode="hud"] .panel-layout {
    position: absolute;
    inset: 0;
    display: block;
    padding: 0;
  }

  body[data-layout-mode="hud"] #scene {
    height: 100svh;
  }

  body[data-layout-mode="hud"] .app-topbar {
    top: 10px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  body[data-layout-mode="hud"] .topbar-brand {
    padding: 8px 10px;
    border-radius: 14px;
  }

  body[data-layout-mode="hud"] .topbar-brand-head {
    align-items: center;
    gap: 8px;
  }

  body[data-layout-mode="hud"] .topbar-brand-settings-slot {
    display: inline-flex;
  }

  body[data-layout-mode="hud"] .topbar-brand-nav-slot {
    display: block;
    margin-top: 6px;
  }

  body[data-layout-mode="hud"] .topbar-eyebrow {
    margin-bottom: 2px;
    font-size: 0.6rem;
    letter-spacing: 0.14em;
  }

  body[data-layout-mode="hud"] .topbar-title {
    font-size: 0.88rem;
    line-height: 1.12;
  }

  body[data-layout-mode="hud"] .topbar-left {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  body[data-layout-mode="hud"] #topbar-status-home {
    display: none;
  }

  body[data-layout-mode="hud"] .topbar-nav-slot {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    touch-action: pan-x;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  body[data-layout-mode="hud"] .topbar-nav-slot::-webkit-scrollbar {
    display: none;
  }

  body[data-layout-mode="hud"] .topbar-brand-nav-slot .panel-tabs {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    width: 100%;
    gap: 4px;
    margin: 0;
    padding: 4px;
    border-radius: 11px;
    border: 1px solid rgba(165, 208, 244, 0.2);
    background: rgba(7, 14, 29, 0.5);
    box-shadow: none;
  }

  body[data-layout-mode="hud"] .topbar-brand-nav-slot .panel-tab {
    min-width: 0;
    min-height: 32px;
    padding: 6px 4px;
    border-radius: 9px;
    font-size: 0.8rem;
    line-height: 1.12;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  body[data-layout-mode="hud"] .topbar-nav-slot .panel-tabs {
    width: max-content;
    min-width: max-content;
    gap: 6px;
    padding: 6px;
  }

  body[data-layout-mode="hud"] .topbar-nav-slot .panel-tab {
    flex: 0 0 auto;
    min-width: 84px;
    min-height: 38px;
    padding: 9px 10px;
    font-size: 0.88rem;
    scroll-snap-align: center;
  }

  body[data-layout-mode="hud"] .topbar-nav-slot .panel-tabs {
    display: flex;
    width: max-content;
    min-width: max-content;
    flex-wrap: nowrap;
    gap: 6px;
    padding: 6px;
  }

  body[data-layout-mode="hud"] .topbar-right {
    width: auto;
    flex: 0 0 auto;
    align-items: flex-end;
    justify-content: flex-end;
    align-self: flex-end;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot,
  body[data-layout-mode="hud"] .topbar-utility-slot {
    width: auto;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-preset-row {
    padding: 4px;
    gap: 4px;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-view-toggle {
    padding: 4px 8px;
    gap: 7px;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-view-mode {
    font-size: 0.68rem;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-view-track {
    width: 42px;
    height: 24px;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-view-thumb {
    width: 18px;
    height: 18px;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .camera-view-switch input:checked + .camera-view-track .camera-view-thumb {
    transform: translateX(18px);
  }

  body[data-layout-mode="hud"] .topbar-persistent-actions {
    display: none;
  }

  body[data-layout-mode="hud"] .topbar-quick-slot .button-row,
  body[data-layout-mode="hud"] .topbar-persistent-actions {
    justify-content: flex-end;
    padding: 6px;
    backdrop-filter: none;
  }

  body[data-layout-mode="hud"] .settings-toggle-button {
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    justify-content: center;
    border-radius: 999px;
  }

  body[data-layout-mode="hud"] .settings-toggle-button [data-i18n="settingsButtonLabel"] {
    display: none;
  }

  body[data-layout-mode="hud"] .settings-toggle-button .settings-icon {
    width: auto;
    font-size: 1.12rem;
  }

  body[data-layout-mode="hud"] .topbar-brand-settings-slot .settings-anchor {
    position: relative;
  }

  body[data-layout-mode="hud"] .topbar-layout-slot,
  body[data-layout-mode="hud"] .topbar-help-slot {
    display: none;
  }

  body[data-layout-mode="hud"] #layout-mode-classic {
    display: none !important;
  }

  body[data-layout-mode="hud"] .settings-popover {
    position: fixed;
    z-index: 26;
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    width: min(420px, calc(100vw - 24px));
    max-height: min(64svh, calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 24px));
    padding: 14px 14px calc(16px + env(safe-area-inset-bottom, 0px));
    border-radius: 20px;
    overflow: auto;
    overscroll-behavior: contain;
    transform: translate(-50%, -50%) scale(0.98);
  }

  body[data-layout-mode="hud"] .settings-popover.active {
    transform: translate(-50%, -50%) scale(1);
  }

  body[data-layout-mode="hud"] .settings-backdrop {
    display: block;
  }

  body[data-layout-mode="hud"] .settings-popover-header {
    gap: 3px;
    margin-bottom: 10px;
  }

  body[data-layout-mode="hud"] .settings-popover-header .eyebrow {
    margin: 0;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
  }

  body[data-layout-mode="hud"] .settings-popover-title {
    font-size: 0.96rem;
  }

  body[data-layout-mode="hud"] .settings-popover-body {
    gap: 11px;
  }

  body[data-layout-mode="hud"] .settings-primary-slot,
  body[data-layout-mode="hud"] .settings-status-slot {
    display: grid;
  }

  body[data-layout-mode="hud"] .settings-primary-slot {
    gap: 8px;
  }

  body[data-layout-mode="hud"] .settings-primary-slot .layout-switch {
    width: 100%;
    justify-content: center;
  }

  body[data-layout-mode="hud"] .settings-primary-slot .layout-mode-button {
    min-height: 38px;
    font-size: 0.86rem;
    padding: 8px 13px;
  }

  body[data-layout-mode="hud"] .settings-primary-slot .topbar-action {
    width: 100%;
    min-height: 40px;
    font-size: 0.88rem;
  }

  body[data-layout-mode="hud"] .settings-status-slot {
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  body[data-layout-mode="hud"] .settings-status-slot .topbar-status {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  body[data-layout-mode="hud"] .settings-status-slot .topbar-chip {
    max-width: none;
  }

  body[data-layout-mode="hud"] .settings-popover .language-toggle-label,
  body[data-layout-mode="hud"] .settings-popover .sync-title,
  body[data-layout-mode="hud"] .settings-popover .toggle {
    font-size: 0.9rem;
  }

  body[data-layout-mode="hud"] .settings-popover .toggle {
    gap: 8px;
  }

  body[data-layout-mode="hud"] .settings-popover .button,
  body[data-layout-mode="hud"] .settings-popover .compact-button {
    min-height: 40px;
    font-size: 0.88rem;
  }

  body[data-layout-mode="hud"] .detail-panel .panel-tab-content {
    font-size: 0.9rem;
  }

  body[data-layout-mode="hud"] .detail-panel .button,
  body[data-layout-mode="hud"] .detail-panel .orbit-mode {
    font-size: 0.86rem;
  }

  body[data-layout-mode="hud"] .detail-panel .sync-copy {
    font-size: 0.86rem;
  }

  body[data-layout-mode="hud"] .detail-panel .sync-copy.subtle,
  body[data-layout-mode="hud"] .detail-panel .coord-label {
    font-size: 0.8rem;
  }

  body[data-layout-mode="hud"] .detail-panel .coord-value {
    font-size: 0.92rem;
  }

  body[data-layout-mode="hud"] .detail-panel .panel-tab-content {
    display: block;
  }

  body[data-layout-mode="hud"] .detail-panel .hud-subtabs {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: var(--hud-compact-mobile-subtabs-gap);
    margin: var(--hud-compact-mobile-subtabs-margin);
    padding: var(--hud-compact-mobile-subtabs-padding);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
  }

  body[data-layout-mode="hud"] .detail-panel .hud-subtab {
    width: auto;
    min-height: var(--hud-compact-mobile-subtab-min-height);
    padding: var(--hud-compact-mobile-subtab-padding);
    font-size: var(--hud-compact-mobile-subtab-font-size);
    text-align: center;
  }

  body[data-layout-mode="hud"] .detail-panel .hud-subpanel {
    grid-column: auto;
  }

  .settings-utility-slot .button-row {
    grid-template-columns: 1fr;
  }

  body[data-layout-mode="hud"] .detail-panel {
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    max-height: min(
      var(--hud-compact-mobile-detail-max-height),
      var(--hud-compact-mobile-detail-max-height-dynamic)
    );
    padding: var(--hud-compact-mobile-detail-padding);
    margin: 0;
    border-radius: var(--hud-compact-mobile-detail-radius);
    transform: none;
  }

  body[data-layout-mode="hud"] .detail-panel-shell {
    bottom: var(--hud-compact-mobile-detail-bottom);
  }

  body[data-layout-mode="hud"] .detail-panel-shell--collapsed {
    transform: translate(-50%, 76px);
  }

  body[data-layout-mode="hud"] .solar-eclipse-toast {
    top: 196px;
    width: min(420px, calc(100vw - 32px));
  }

  .help-modal-layer {
    padding: 16px;
  }

  .help-modal {
    width: calc(100vw - 24px);
    max-height: calc(100svh - 32px);
    border-radius: 24px;
  }

  .help-modal-body {
    grid-template-columns: 1fr;
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-topbar *,
  .detail-panel,
  .help-modal,
  .solar-eclipse-toast {
    transition: none !important;
  }
}

/* ── Subtab icons ─────────────────────────────────── */
.hud-subtab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.subtab-icon {
  font-size: 0.9em;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.75;
}

.hud-subtab.active .subtab-icon {
  opacity: 1;
}

/* ── Onboarding callout ───────────────────────────── */
@keyframes onboarding-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(127, 208, 255, 0.55); }
  50%       { box-shadow: 0 0 0 8px rgba(127, 208, 255, 0); }
}

.panel-tab.onboarding-active {
  outline: 2px solid rgba(127, 208, 255, 0.8);
  outline-offset: 2px;
  animation: onboarding-pulse 1.1s ease infinite;
}

.onboarding-callout {
  position: fixed;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 260ms ease;
}

.onboarding-callout.visible {
  opacity: 1;
  pointer-events: auto;
}

.onboarding-callout-arrow {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 9px solid rgba(127, 208, 255, 0.35);
  flex-shrink: 0;
}

.onboarding-callout-bubble {
  background: linear-gradient(160deg, rgba(15, 32, 60, 0.97), rgba(6, 12, 28, 0.96));
  border: 1px solid rgba(127, 208, 255, 0.35);
  border-radius: 14px;
  padding: 10px 16px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(127, 208, 255, 0.08);
  max-width: min(300px, calc(100vw - 32px));
  text-align: center;
}

#onboarding-callout-text {
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.45;
}

.onboarding-skip {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
  opacity: 0.7;
}

.onboarding-skip:hover {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .panel-tab.onboarding-active {
    animation: none;
  }
}

@media (max-width: 1080px) {
  .comparison-score-grid {
    grid-template-columns: 1fr;
  }
}