/* ==========================================================================
   3D museum: HUD, panels, catalogue and entrance.
   The galleries themselves are drawn by three.js (assets/js/museum/).
   ========================================================================== */

:root {
  --bg: #ece6db;
  --surface: #fbf9f5;
  --surface-2: #f2ede4;
  --text: #1c1b19;
  --muted: #6d675e;
  --line: rgba(28, 27, 25, 0.12);
  --accent: #a07a3f;
  --accent-strong: #8a6630;
  --gold: #e8c27a;
  --hud: rgba(22, 21, 19, 0.62);
  --hud-line: rgba(255, 255, 255, 0.14);
  --hud-text: #f6f1e7;
  --hud-muted: rgba(246, 241, 231, 0.68);
  --shadow: 0 18px 50px rgba(20, 16, 10, 0.25);
  --radius: 14px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --panel-accent: #b08d57;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #07080b;
  --surface: #15161a;
  --surface-2: #1d1f24;
  --text: #f2ede4;
  --muted: #a9a297;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #e8c27a;
  --accent-strong: #f0d39b;
  --hud: rgba(12, 12, 14, 0.66);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

button {
  font: inherit;
  color: inherit;
}

a {
  color: var(--accent-strong);
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

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

/* --- Scene ---------------------------------------------------------------- */

.scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  outline: none;
}

.scene.is-dragging {
  cursor: grabbing;
}

.fade {
  position: fixed;
  inset: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
  z-index: 40;
}

.fade.is-on {
  opacity: 1;
}

/* --- Shared controls ------------------------------------------------------ */

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--hud-line);
  background: var(--hud);
  color: var(--hud-text);
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
  flex: none;
}

.icon-btn:hover {
  background: rgba(40, 38, 34, 0.85);
  border-color: rgba(232, 194, 122, 0.6);
}

.icon-btn-sm {
  width: 34px;
  height: 34px;
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  position: relative;
}

.btn:hover {
  border-color: var(--panel-accent);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gold);
  color: #1d1708;
  border-color: transparent;
}

.btn-primary:hover {
  background: #f0d39b;
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: progress;
  transform: none;
}

.btn-ghost {
  background: transparent;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-sponsor-link {
  border-color: rgba(219, 39, 119, 0.4);
}

.btn-sponsor-link i {
  color: #db2777;
}

.btn-coffee-link i {
  color: #c2410c;
}

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

.eyebrow,
.panel-eyebrow,

.eyebrow-text {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

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

.small {
  font-size: 0.8rem;
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
}

.search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font: inherit;
  color: var(--text);
  outline: none;
}

/* --- Top bar -------------------------------------------------------------- */

.hud-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 22px;
  pointer-events: none;
  background: linear-gradient(rgba(0, 0, 0, 0.22), transparent);
}

.hud-top > * {
  pointer-events: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 16px 5px 5px;
  border-radius: 999px;
  border: 1px solid var(--hud-line);
  background: var(--hud);
  color: var(--hud-text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  text-align: left;
  flex: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gold);
  color: #1d1708;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
}

.current-room {
  font-size: 0.72rem;
  color: var(--hud-muted);
  letter-spacing: 0.04em;
}

.room-nav {
  display: flex;
  gap: 2px;
  margin: 0 auto;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--hud-line);
  background: var(--hud);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.room-nav .nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--hud-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.room-nav .nav-btn i {
  font-size: 0.78rem;
}

.room-nav .nav-btn:hover {
  color: var(--hud-text);
  background: rgba(255, 255, 255, 0.08);
}

.room-nav .nav-btn.active {
  color: #1d1708;
  background: var(--gold);
}

.hud-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.room-nav + .hud-actions {
  margin-left: 0;
}

.menu-toggle {
  display: none;
}

.icon-btn.classic-btn {
  display: inline-flex;
  gap: 8px;
  width: auto;
  padding: 0 15px 0 13px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.icon-btn.classic-btn i {
  color: var(--gold);
}

@media (max-width: 1720px) {
  .icon-btn.classic-btn {
    width: 40px;
    padding: 0;
    justify-content: center;
  }

  .icon-btn.classic-btn span {
    display: none;
  }
}

.theme-btn .theme-night,
:root[data-theme="dark"] .theme-btn .theme-day {
  display: none;
}

:root[data-theme="dark"] .theme-btn .theme-night {
  display: inline;
}

@media (max-width: 1580px) {
  .room-nav .nav-btn span {
    display: none;
  }

  .room-nav .nav-btn {
    padding: 8px 11px;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-grid;
  }

  .room-nav {
    position: fixed;
    top: 66px;
    right: 16px;
    left: auto;
    flex-direction: column;
    align-items: stretch;
    border-radius: 18px;
    padding: 6px;
    margin: 0;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
  }

  .room-nav .nav-btn span {
    display: inline;
  }

  .room-nav .nav-btn {
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  .menu-open .room-nav {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .hud-actions {
    margin-left: auto;
  }

  .room-nav + .hud-actions {
    margin-left: auto;
  }
}

@media (max-width: 560px) {
  .hud-top {
    padding: 10px 12px;
    gap: 8px;
  }

  .brand {
    padding-right: 12px;
    min-width: 0;
  }

  .brand-name {
    font-size: 0.9rem;
  }

  .hide-sm {
    display: none;
  }

  .hud-actions {
    gap: 6px;
  }

  .icon-btn {
    width: 38px;
    height: 38px;
  }
}

/* --- Room toast, tooltip -------------------------------------------------- */

.room-toast {
  position: fixed;
  left: 50%;
  top: 92px;
  z-index: 15;
  transform: translate(-50%, -10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 30px 16px;
  border-radius: 18px;
  background: var(--hud);
  color: var(--hud-text);
  border: 1px solid var(--hud-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s;
  text-align: center;
  max-width: calc(100vw - 32px);
}

.room-toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.toast-eyebrow::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin: 6px auto 4px;
  border-radius: 2px;
  background: var(--room-accent, var(--gold));
}

.toast-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.2;
}

.toast-sub {
  font-size: 0.85rem;
  color: var(--hud-muted);
}

.hover-tip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 25;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 320px;
  padding: 9px 13px 10px 10px;
  border-radius: 12px;
  background: rgba(16, 16, 18, 0.9);
  border: 1px solid rgba(232, 194, 122, 0.22);
  color: #f6f1e7;
  font-size: 0.82rem;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hover-tip > i {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(232, 194, 122, 0.14);
  color: var(--gold);
  font-size: 0.8rem;
}

.hover-tip > span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.hover-tip strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
}

.hover-tip em {
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* --- Hologram view switch (Gallery VIII) ---------------------------------- */

.view-switch {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 14;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(6, 22, 28, 0.72);
  border: 1px solid rgba(120, 230, 255, 0.35);
  color: #d8f6ff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 30px rgba(80, 200, 240, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s;
}

.in-activities.has-entered .view-switch {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

.view-switch .view-switch-label {
  padding: 8px 10px 8px 12px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7fe3ff;
  white-space: nowrap;
}

.view-switch button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.view-switch button:hover {
  background: rgba(120, 230, 255, 0.12);
}

.view-switch button.active {
  background: #7fe3ff;
  color: #062028;
}

@media (max-width: 560px) {
  .view-switch-label {
    display: none;
  }
}

@media (pointer: coarse) {
  .view-switch {
    bottom: 160px;
  }
}

.holo-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(14, 116, 144, 0.12), rgba(124, 58, 237, 0.08));
  border: 1px solid rgba(14, 116, 144, 0.25);
  font-size: 0.8rem;
  font-weight: 600;
}

.holo-switch > span i {
  color: #0e7490;
  margin-right: 4px;
}

:root[data-theme="dark"] .holo-switch > span i {
  color: #7fe3ff;
}

.seg.seg-compact {
  margin: 0;
  padding: 3px;
}

.seg.seg-compact button {
  padding: 5px 10px;
}

.icon-btn.is-low {
  color: var(--hud-muted);
}

.icon-btn[aria-expanded="true"],
.icon-btn[aria-pressed="true"]#btn-quality {
  border-color: rgba(232, 194, 122, 0.55);
}

.catalogue-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}

/* --- Minimap, joystick, help ---------------------------------------------- */

.minimap {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 12;
  padding: 6px;
  border-radius: 14px;
  background: var(--hud);
  border: 1px solid var(--hud-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: opacity 0.25s, transform 0.25s;
}

.minimap canvas {
  display: block;
  width: 260px;
  height: 124px;
  border-radius: 9px;
  cursor: pointer;
}

.minimap.is-collapsed {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

.joystick {
  display: none;
  position: fixed;
  left: 24px;
  bottom: 28px;
  z-index: 12;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  border: 1px solid var(--hud-line);
  background: rgba(20, 20, 22, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  touch-action: none;
}

.joystick span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  background: rgba(232, 194, 122, 0.85);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

@media (pointer: coarse) {
  .has-entered .joystick {
    display: block;
  }

  .minimap {
    bottom: 22px;
  }

  .minimap canvas {
    width: 180px;
    height: 86px;
  }
}

.help {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 13;
  width: min(360px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--hud);
  color: var(--hud-text);
  border: 1px solid var(--hud-line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  font-size: 0.85rem;
}

@media (pointer: coarse) {
  .help {
    bottom: 160px;
  }
}

.help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.help h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.1rem;
}

.help-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  line-height: 1.45;
}

.help-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: start;
}

.help-ico {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(232, 194, 122, 0.14);
  color: var(--gold);
  font-size: 0.75rem;
}

.panel-body .help-ico {
  color: var(--panel-accent);
  background: var(--surface-2);
}

kbd {
  display: inline-block;
  min-width: 22px;
  padding: 1px 6px;
  margin-right: 2px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-bottom-width: 2px;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-align: center;
}

.panel-body kbd {
  border-color: var(--line);
}

/* --- Social icons and visitor counter ------------------------------------- */

.social-floating {
  position: fixed;
  left: 16px;
  top: 50%;
  z-index: 11;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-50%);
}

.social-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--hud);
  color: var(--hud-text);
  border: 1px solid var(--hud-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  font-size: 0.9rem;
  transition: transform 0.2s, background 0.2s;
}

.social-icon:hover {
  transform: scale(1.1);
}

.social-icon.linkedin:hover { background: #0a66c2; }
.social-icon.github:hover { background: #24292f; }
.social-icon.scholar:hover { background: #4285f4; }
.social-icon.orcid:hover { background: #a6ce39; }
.social-icon.researchgate:hover { background: #00ccbb; }
.social-icon.scopus:hover { background: #e9711c; }
.social-icon.flag-counter-icon:hover { background: #7c2d12; }

.scopus-letter {
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.flag-counter-popup {
  position: fixed;
  left: 64px;
  top: 50%;
  z-index: 30;
  transform: translate(-8px, 60px);
  padding: 8px;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  max-width: calc(100vw - 80px);
}

.flag-counter-popup img {
  display: block;
  max-width: 100%;
  height: auto;
}

.flag-counter-popup.is-open {
  opacity: 1;
  transform: translate(0, 60px);
  pointer-events: auto;
}

@media (max-width: 900px) {
  .social-floating {
    display: none;
  }

  .flag-counter-popup {
    left: 50%;
    top: auto;
    bottom: 20px;
    transform: translate(-50%, 8px);
  }

  .flag-counter-popup.is-open {
    transform: translate(-50%, 0);
  }
}

/* --- Detail panel --------------------------------------------------------- */

.panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  width: min(500px, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  border-left: 3px solid var(--panel-accent);
  transform: translateX(105%);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  visibility: hidden;
}

.panel.is-open {
  transform: none;
  visibility: visible;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 18px 18px 14px 22px;
  border-bottom: 1px solid var(--line);
}

.panel-head .icon-btn {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--line);
  backdrop-filter: none;
}

.panel-titles {
  flex: 1;
  min-width: 0;
}

.panel-eyebrow {
  color: var(--panel-accent);
}

.panel-title {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1.22;
}

.panel-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.panel-body {
  padding: 18px 22px 40px;
  font-size: 0.95rem;
  line-height: 1.62;
}

.panel-body p {
  margin: 0 0 12px;
}

.panel-body .lead {
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.45;
}

.panel-section {
  margin-top: 22px;
}

.panel-section h3,
.list-heading {
  margin: 0 0 10px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--panel-accent);
}

.list-heading {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.list-heading span {
  color: var(--muted);
}

.panel-image {
  position: relative;
  display: block;
  width: 100%;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface-2);
  cursor: zoom-in;
}

.panel-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: contain;
}

.zoom-hint {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.75rem;
}

figure {
  margin: 0 0 14px;
}

figcaption {
  margin-top: -6px;
  font-size: 0.8rem;
  color: var(--muted);
}

.portrait-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.portrait-thumb {
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: zoom-in;
  background: var(--surface-2);
  position: relative;
}

.portrait-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portrait-thumb .zoom-hint {
  display: none;
}

.org-logo {
  display: block;
  max-width: 120px;
  max-height: 80px;
  margin-bottom: 12px;
  object-fit: contain;
}

.tool-logo {
  display: block;
  max-width: 260px;
  max-height: 64px;
  margin-bottom: 12px;
}

.meta-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 0.88rem;
}

.meta-grid dt {
  color: var(--muted);
  font-weight: 600;
}

.meta-grid dd {
  margin: 0;
}

.bullets {
  margin: 0;
  padding-left: 18px;
}

.bullets li {
  margin-bottom: 6px;
}

.bullets li::marker {
  color: var(--panel-accent);
}

.stages {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.stages li {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-left: 3px solid var(--panel-accent);
  background: var(--surface-2);
  border-radius: 0 8px 8px 0;
}

.chip {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  font-size: 0.78rem;
  color: var(--text);
}

button.chip {
  cursor: pointer;
}

button.chip.active {
  background: var(--panel-accent);
  border-color: transparent;
  color: #fff;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  text-decoration: none;
}

.badge-if,
.badge-impact-factor { background: rgba(37, 99, 235, 0.12); color: #1d4ed8; border-color: rgba(37, 99, 235, 0.25); }
.badge-q1 { background: rgba(5, 150, 105, 0.14); color: #047857; border-color: rgba(5, 150, 105, 0.3); }
.badge-q { background: rgba(217, 119, 6, 0.12); color: #b45309; border-color: rgba(217, 119, 6, 0.3); }
.badge-cat { background: rgba(124, 58, 237, 0.1); color: #6d28d9; border-color: rgba(124, 58, 237, 0.25); }
.badge-role,
.badge-corresponding { background: rgba(219, 39, 119, 0.1); color: #be185d; border-color: rgba(219, 39, 119, 0.25); }
.badge-gold,
.badge-editor-choice { background: rgba(176, 141, 87, 0.16); color: #8a6630; border-color: rgba(176, 141, 87, 0.4); }
.badge-cited { background: rgba(66, 133, 244, 0.1); color: #1a5fd0; border-color: rgba(66, 133, 244, 0.3); }

:root[data-theme="dark"] .badge-if,
:root[data-theme="dark"] .badge-impact-factor { color: #93c5fd; }
:root[data-theme="dark"] .badge-q1 { color: #6ee7b7; }
:root[data-theme="dark"] .badge-q { color: #fcd34d; }
:root[data-theme="dark"] .badge-cat { color: #c4b5fd; }
:root[data-theme="dark"] .badge-role,
:root[data-theme="dark"] .badge-corresponding { color: #f9a8d4; }
:root[data-theme="dark"] .badge-gold,
:root[data-theme="dark"] .badge-editor-choice { color: #f0d39b; }
:root[data-theme="dark"] .badge-cited { color: #93c5fd; }

.pub-head {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  margin-bottom: 14px;
  align-items: start;
}

.poster-thumb {
  width: 110px;
  border-radius: 4px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.authors {
  font-size: 0.88rem;
}

.authors strong {
  color: var(--panel-accent);
}

.pub-list,
.exhibit-list,
.room-list,
.skill-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.pub-row button,
.exhibit-list button,
.room-list button {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.pub-row button:hover,
.exhibit-list button:hover,
.room-list button:hover {
  border-color: var(--panel-accent);
  background: var(--surface-2);
}

.pub-row strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.3;
}

.pub-row small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.pub-row small strong {
  font-family: var(--sans);
  font-size: inherit;
  color: var(--text);
}

.pub-row-type {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--panel-accent);
}

.pub-row-venue {
  font-style: italic;
}

.exhibit-list button,
.room-list button {
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 10px;
}

.exhibit-list button > i,
.room-list button > i:first-child {
  color: var(--panel-accent);
  text-align: center;
}

.exhibit-list span,
.room-list span {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.exhibit-list strong,
.room-list strong {
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.3;
}

.exhibit-list small,
.room-list small {
  color: var(--muted);
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plan-canvas {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 14px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.stats-grid span,
.scholar-grid span {
  display: grid;
  gap: 2px;
  padding: 10px 8px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 0.7rem;
  line-height: 1.3;
  text-align: center;
  color: var(--muted);
}

.stats-grid strong,
.scholar-grid strong {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text);
}

.scholar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
  text-decoration: none;
}

.scholar-grid:hover span {
  background: var(--line);
}

.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: var(--surface-2);
}

.seg button {
  flex: 1 1 auto;
  padding: 7px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.seg button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.filters {
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--muted);
}

.filter-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-row select {
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
}

.bar-row {
  margin-bottom: 10px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.bar-label span:first-child {
  font-weight: 600;
}

.bar-label span:last-child {
  color: var(--muted);
  text-align: right;
  flex: none;
  max-width: 55%;
}

.bar {
  height: 7px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--skill, var(--panel-accent));
}

.bar-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.bar-link:hover .bar-label span:first-child {
  color: var(--panel-accent);
}

.skill-head {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
  color: var(--skill, var(--panel-accent));
  font-weight: 700;
}

.skill-head .skill-icon {
  width: 64px;
  height: 64px;
}

.skill-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
}

.skill-list li.current {
  background: var(--surface-2);
}

.skill-list small {
  color: var(--muted);
  font-size: 0.76rem;
}

.skill-list .bar-row {
  margin-bottom: 2px;
}

.award-head {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}

.award-head > i {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff3c4, #c99a3e 60%, #8a5f1a);
  color: #4a3208;
  font-size: 1.4rem;
}

.award-head p {
  margin: 0;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.9rem;
}

.feature-list i {
  color: var(--panel-accent);
  margin-top: 4px;
  text-align: center;
}

.feature-card {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.feature-card-head {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: center;
}

.feature-card-head > i {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--panel-accent);
  color: #fff;
}

.feature-card-head div {
  display: grid;
  line-height: 1.35;
}

.feature-card-head small {
  font-size: 0.8rem;
}

.caps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.caps span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 8px;
  background: var(--surface);
  font-size: 0.78rem;
}

.caps i {
  color: var(--panel-accent);
}

.code {
  margin: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: #121317;
  color: #e6e1d6;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.6;
  overflow-x: auto;
}

.panel-body code {
  font-family: var(--mono);
  font-size: 0.85em;
}

.video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.contact-card {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 12px;
  background: var(--surface-2);
}

.contact-card > i {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--panel-accent);
  color: #fff;
}

.contact-card div {
  display: grid;
  min-width: 0;
}

.contact-card a {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact-card small {
  color: var(--muted);
}

.contact-card .icon-btn,
.panel-body .icon-btn {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
  backdrop-filter: none;
  position: relative;
}

address {
  font-style: normal;
  margin-bottom: 12px;
  line-height: 1.6;
}

.mini-map {
  height: 220px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--surface-2);
  z-index: 0;
}

.mini-map.tall {
  height: 260px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
}

.social-links a:hover {
  border-color: var(--brand);
}

.social-links i,
.social-links .scopus-letter {
  color: var(--brand);
}

.help-list li {
  font-size: inherit;
}

.flash-tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  padding: 3px 8px;
  border-radius: 6px;
  background: #111;
  color: #fff;
  font-size: 0.72rem;
  white-space: nowrap;
  pointer-events: none;
}

@media (max-width: 760px) {
  .panel {
    top: auto;
    left: 0;
    width: 100%;
    height: 80vh;
    height: 80dvh;
    border-left: 0;
    border-top: 3px solid var(--panel-accent);
    border-radius: 18px 18px 0 0;
    transform: translateY(105%);
  }

  .panel-head {
    padding: 14px 14px 12px 18px;
  }

  .panel-body {
    padding: 16px 18px 40px;
  }
}

/* --- Catalogue ------------------------------------------------------------ */

.catalogue {
  position: fixed;
  inset: 0;
  z-index: 35;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

.catalogue-open .catalogue {
  opacity: 1;
  visibility: visible;
}

.catalogue-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 40px;
}

.catalogue-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr minmax(220px, 340px) auto;
  gap: 16px;
  align-items: end;
  padding: 10px 0 18px;
  background: linear-gradient(var(--bg) 82%, transparent);
}

.catalogue-head h2 {
  margin: 4px 0 2px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 2rem;
}

.catalogue-head p {
  margin: 0;
}

.catalogue-head .icon-btn {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.catalogue-list {
  columns: 3 320px;
  column-gap: 22px;
}

.cat-room {
  break-inside: avoid;
  margin-bottom: 22px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
}

.cat-room h2 {
  display: grid;
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.2;
}

.cat-room h2 span {
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.cat-room {
  border-top: 3px solid var(--room-accent, var(--line));
}

.cat-room h2 small {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--muted);
}

.cat-room ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.cat-room button {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  width: 100%;
  padding: 7px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.cat-room button:hover {
  background: var(--surface-2);
}

.cat-room button i {
  margin-top: 3px;
  color: var(--accent);
  text-align: center;
  font-size: 0.85rem;
}

.cat-room button span {
  display: grid;
  min-width: 0;
}

.cat-room strong {
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.32;
}

.cat-room small {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.catalogue-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .catalogue-inner {
    padding: 16px 16px 32px;
  }

  .catalogue-head {
    grid-template-columns: 1fr auto;
  }

  .catalogue-head .search {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .catalogue-head h2 {
    font-size: 1.5rem;
  }
}

/* --- Lightbox ------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 8, 10, 0.92);
  opacity: 0;
  transition: opacity 0.2s;
}

.lightbox.is-open {
  opacity: 1;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox .icon-btn {
  position: absolute;
  top: 16px;
  right: 16px;
}

/* --- Loader and fallback -------------------------------------------------- */

.loader,
.fatal {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  place-items: center;
  padding: 20px;
  color: #f6f1e7;
  background:
    radial-gradient(ellipse at 50% 42%, #1d1a16 0%, #0b0b0d 70%);
}

.loader {
  transition: opacity 0.9s ease, visibility 0.9s;
}

.has-entered .loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  display: grid;
  justify-items: center;
  text-align: center;
  animation: loader-in 0.8s ease both;
}

.loader-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  border-radius: 50%;
  border: 1px solid rgba(232, 194, 122, 0.45);
  color: var(--gold);
  font-size: 1.5rem;
  box-shadow: 0 0 0 8px rgba(232, 194, 122, 0.06), 0 0 40px rgba(232, 194, 122, 0.18);
  animation: loader-pulse 2.4s ease-in-out infinite;
}

.loader-name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.loader-sub {
  margin: 8px 0 26px;
  font-size: 0.92rem;
  color: rgba(246, 241, 231, 0.65);
}

@keyframes loader-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes loader-pulse {
  50% { box-shadow: 0 0 0 14px rgba(232, 194, 122, 0.03), 0 0 60px rgba(232, 194, 122, 0.28); }
}

.progress {
  width: min(320px, 70vw);
  height: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #b08d57, var(--gold));
  transform-origin: left;
  transform: scaleX(0.02);
  transition: transform 0.3s ease;
}

.progress-label {
  margin: 10px 0 0;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 241, 231, 0.5);
}

.fatal-card {
  width: min(560px, 100%);
  padding: 32px 30px;
  border-radius: 20px;
  background: rgba(20, 19, 17, 0.85);
  border: 1px solid rgba(232, 194, 122, 0.28);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  line-height: 1.55;
}

.fatal-card h2 {
  margin: 8px 0 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.8rem;
}

.fatal-card .btn {
  color: #f6f1e7;
  border-color: rgba(255, 255, 255, 0.25);
  background: transparent;
}

.fatal-card .btn-primary {
  color: #1d1708;
  background: var(--gold);
}

.fatal a:not(.btn) {
  color: var(--gold);
}

/* The HUD waits for the loader to finish. */
.hud-top,
.social-floating {
  transition: opacity 0.6s ease 0.2s;
}

body:not(.has-entered) .hud-top,
body:not(.has-entered) .minimap,
body:not(.has-entered) .social-floating {
  opacity: 0;
  pointer-events: none;
}

/* Leaflet sits below the panel's own stacking context. */
.leaflet-container {
  font-family: var(--sans);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}