/* ═══════════════════════════════════════════════════════
   QIANHUA GE — 3D GLOBE TACTICAL PORTFOLIO
   Cyberpunk Military HUD · Zero Radius · B&W Only
   ═══════════════════════════════════════════════════════ */

:root {
  --black: #000;
  --white: #fff;
  --g4: #86868b;
  --g5: #6e6e73;
  --border: rgba(255,255,255,.12);
  --border-bright: rgba(255,255,255,.25);
  --panel-bg: rgba(8,8,8,.88);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'Space Mono', 'SF Mono', 'Courier New', monospace;
  --ease: cubic-bezier(.25,.1,.25,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--white); color: var(--black); }
a { color: var(--white); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: rgba(255,255,255,.3); }
a:hover { text-decoration-color: var(--white); }

/* ═══ GLOBAL UTILITY ═══ */
.hidden {
  display: none !important;
}




/* ═══ MAP CONTAINER ═══ */
#globe-container {
  position: fixed;
  inset: 0;
  z-index: 1;
}
#globe-container canvas {
  outline: none;
}

/* ═══ MAPBOX OVERRIDES ═══ */
.mapboxgl-ctrl-logo,
.mapboxgl-ctrl-attrib {
  display: none !important;
}
.mapboxgl-canvas {
  outline: none;
}

/* ═══ HUD ═══ */
.hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  pointer-events: none;
}
.hud-left, .hud-center, .hud-right { pointer-events: auto; }

.hud-brand {
  font-family: var(--mono);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--border);
  padding: .4rem .9rem;
  border-radius: 0;
  cursor: pointer;
  position: relative;
  transition: border-color .2s, background .2s;
}
.hud-brand::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 8px; height: 8px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
}
.hud-brand::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 8px; height: 8px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
}
.hud-brand:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.06);
}

.hud-location {
  font-family: var(--mono);
  font-size: .55rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--g4);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  padding: .4rem 1rem;
  border-radius: 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-width: 120px;
  text-align: center;
  white-space: nowrap;
  transition: opacity .3s, border-color .3s;
}
.hud-location:not(:empty) {
  border-color: var(--border-bright);
}

.hud-right { display: flex; gap: .5rem; }

.hud-btn {
  width: 34px; height: 34px;
  border-radius: 0;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--g4);
  font-size: .75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s, color .2s;
  position: relative;
}
.hud-btn::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 6px; height: 6px;
  border-top: 1px solid rgba(255,255,255,.3);
  border-left: 1px solid rgba(255,255,255,.3);
  transition: border-color .2s;
}
.hud-btn:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255,255,255,.06);
}
.hud-btn:hover::before {
  border-color: var(--white);
}
.hud-btn.active {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ═══ LOCATION LIST ═══ */
.location-list {
  position: fixed;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  width: 210px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  overflow: hidden;
}
/* Corner brackets on the panel */
.location-list::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 16px; height: 16px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}
.location-list::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 16px; height: 16px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}

.location-list-header {
  font-family: var(--mono);
  font-size: .55rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--g4);
  padding: .8rem 1rem .5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.location-list-header::before {
  content: '//';
  color: var(--white);
  font-weight: 700;
}

.location-items { max-height: 60vh; overflow-y: auto; scrollbar-width: none; }
.location-items::-webkit-scrollbar { display: none; }

.location-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem 1rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  border-bottom: 1px solid rgba(255,255,255,.04);
  border-left: 2px solid transparent;
  position: relative;
}
.location-item:hover {
  background: rgba(255,255,255,.04);
  border-left-color: rgba(255,255,255,.15);
}
.location-item.active {
  background: rgba(255,255,255,.06);
  border-left-color: var(--white);
}

.location-dot {
  width: 5px; height: 5px;
  border-radius: 0;
  background: var(--g5);
  flex-shrink: 0;
  transition: background .2s, box-shadow .2s;
}
.location-item:hover .location-dot {
  background: var(--white);
}
.location-item.active .location-dot {
  background: var(--white);
  box-shadow: 0 0 6px rgba(255,255,255,.3);
}

.location-name {
  font-size: .72rem;
  font-weight: 500;
  color: var(--g4);
  transition: color .15s;
  letter-spacing: .02em;
}
.location-item:hover .location-name { color: var(--white); }
.location-item.active .location-name { color: var(--white); font-weight: 600; }

.location-city {
  font-family: var(--mono);
  font-size: .5rem;
  color: var(--g5);
  margin-top: .1rem;
  letter-spacing: .1em;
}

/* ═══ PROJECT PANEL — FLOATING CARD ═══
   Positioned via JS near the 3D marker.
   JS sets top/left; panel uses a connector line.
   ═══════════════════════════════════════ */
.project-panel {
  position: fixed;
  z-index: 70;
  width: min(480px, calc(100% - 2rem));
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease);
  overflow: hidden;
}
.project-panel.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Corner brackets */
.project-panel::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}
.project-panel::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 14px; height: 14px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}

/* Connector line from marker to panel */
.panel-connector {
  position: fixed;
  z-index: 69;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.panel-connector.visible {
  opacity: 1;
}
.panel-connector line {
  stroke: rgba(255,255,255,.2);
  stroke-width: 1;
  stroke-dasharray: 4 3;
}

.panel-handle { display: none; }

.panel-close {
  position: absolute;
  top: .6rem; right: .6rem;
  width: 24px; height: 24px;
  border-radius: 0;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--g5);
  font-size: .6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  z-index: 5;
}
.panel-close:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.panel-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.panel-image-wrap img { width: 100%; height: 100%; object-fit: contain; background: rgba(0,0,0,.3); }

.panel-info { padding: 1rem 1.2rem 1.2rem; }

.panel-title {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--white);
  text-transform: uppercase;
}

.panel-city {
  font-family: var(--mono);
  font-size: .5rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--g5);
  margin-top: .3rem;
}
.panel-city::before {
  content: '◆ ';
  color: var(--white);
  font-size: .4rem;
}

.panel-link {
  display: inline-block;
  margin-top: .7rem;
  font-family: var(--mono);
  font-size: .6rem;
  font-weight: 700;
  color: var(--white);
  background: transparent;
  padding: .4rem .9rem;
  border-radius: 0;
  border: 1px solid var(--border-bright);
  text-decoration: none;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: all .2s;
  position: relative;
}
.panel-link::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 6px; height: 6px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
}
.panel-link::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 6px; height: 6px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
}
.panel-link:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ═══ BIO PANEL — OVERLAY ═══
   Hidden by default, toggled via QG brand click.
   Centered overlay with backdrop.
   ═══════════════════════════════════════ */
.bio-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 2rem;
  background: rgba(0,0,0,.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
.bio-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.bio-panel {
  width: min(400px, calc(100% - 2rem));
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  padding: 2rem;
  position: relative;
  scrollbar-width: none;
}
.bio-panel::-webkit-scrollbar { display: none; }

/* Corner brackets */
.bio-panel::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 16px; height: 16px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}
.bio-panel::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 16px; height: 16px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
  pointer-events: none;
  z-index: 10;
}

.bio-name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.bio-role {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .15em;
  color: var(--g5);
  margin-top: .3rem;
  text-transform: uppercase;
}
.bio-text {
  margin-top: 1rem;
  font-size: .8rem;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
}
.bio-text p { margin-bottom: .9rem; }
.bio-text a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.2);
  transition: border-color .2s, color .2s;
  padding-bottom: 1px;
}
.bio-text a:hover {
  border-bottom-color: var(--white);
}

.bio-email {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: .65rem;
  color: var(--g5);
  text-decoration: none;
  letter-spacing: .08em;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.bio-email:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ═══ FLIGHT STRIP ═══ */
.flight-strip {
  position: fixed;
  bottom: 6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 55;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: .5rem 1.2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: opacity .4s, transform .4s var(--ease);
  white-space: nowrap;
  position: relative;
}
.flight-strip::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 8px; height: 8px;
  border-top: 1px solid var(--border-bright);
  border-left: 1px solid var(--border-bright);
  pointer-events: none;
}
.flight-strip::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 8px; height: 8px;
  border-bottom: 1px solid var(--border-bright);
  border-right: 1px solid var(--border-bright);
  pointer-events: none;
}

.strip-from, .strip-to {
  font-family: var(--mono);
  font-size: .55rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--g5);
}
.strip-to { color: var(--white); font-weight: 700; }
.strip-line {
  width: 80px; height: 1px;
  background: rgba(255,255,255,.1);
  position: relative;
}
.strip-line::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation: stripPulse 2s ease infinite;
}
@keyframes stripPulse {
  0%, 100% { opacity: 0; }
  50% { opacity: .6; }
}
.strip-plane {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: .7rem;
  animation: flyAcross 2s linear infinite;
  color: var(--white);
}
@keyframes flyAcross { 0%{left:0} 100%{left:calc(100% - 12px)} }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .location-list { display: none; }
  .bio-overlay { padding: .5rem; justify-content: center; }
  .bio-panel { width: calc(100% - 1rem); }
  .project-panel { width: min(360px, calc(100% - 1rem)); }
  .hud { padding: .8rem 1rem; }

  /* Move city tag to bottom center on mobile */
  .hud-center {
    position: fixed;
    top: auto;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 51;
  }
}


/* ═══ CUSTOM MAP MARKERS ═══ */
.map-marker {
  position: relative;
  width: 20px;
  height: 20px;
  cursor: pointer;
}
.map-marker-dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 6px; height: 6px;
  background: var(--white);
  border-radius: 0;
  z-index: 2;
  transition: width .2s, height .2s, box-shadow .2s;
}
.map-marker:hover .map-marker-dot {
  width: 8px; height: 8px;
  box-shadow: 0 0 8px rgba(255,255,255,.3);
}
.map-marker.active .map-marker-dot {
  width: 10px; height: 10px;
  box-shadow: 0 0 12px rgba(255,255,255,.4);
}
.map-marker-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 18px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 0;
  z-index: 1;
  animation: markerPulse 2.5s ease-in-out infinite;
}
.map-marker.active .map-marker-ring {
  border-color: rgba(255,255,255,.3);
  width: 24px; height: 24px;
}
@keyframes markerPulse {
  0%, 100% { opacity: .3; transform: translate(-50%,-50%) scale(1); }
  50% { opacity: .7; transform: translate(-50%,-50%) scale(1.3); }
}