@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;900&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --bg: #080a10;
  --surface: rgba(255,255,255,0.03);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-active: rgba(99,210,255,0.5);
  --accent: #63d2ff;
  --accent-glow: rgba(99,210,255,0.25);
  --accent2: #b06cff;
  --text-primary: #eef4ff;
  --text-muted: rgba(238,244,255,0.45);
  --radius: 14px;
  --panel-width: 280px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}



body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

/* ── Panel ─────────────────────────────────── */
.ui-panel {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 100;
  width: var(--panel-width);
  background: rgba(8,10,16,0.85);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow:
    0 0 0 1px rgba(99,210,255,0.04),
    0 40px 80px rgba(0,0,0,0.7),
    inset 0 1px 0 rgba(255,255,255,0.06);
  animation: panelIn 0.6s cubic-bezier(0.22,1,0.36,1) both;
}

.ui-panel{
  position:fixed;
  top:24px;
  left:24px;
  width:var(--panel-width);

  transition:transform 0.35s ease, opacity 0.35s ease;
}

@keyframes panelIn {
  from { opacity:0; transform: translateX(-18px) scale(0.97); }
  to   { opacity:1; transform: translateX(0) scale(1); }
}

/* ── Header ────────────────────────────────── */
.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent), 0 0 28px var(--accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.85); }
}

h1 {
  font-family: 'Orbitron', monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1;
}

.panel-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-left: auto;
  font-family: 'Orbitron', monospace;
}

/* ── Divider ───────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ── Section label ─────────────────────────── */
.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: -6px;
}

/* ── Video list ────────────────────────────── */
.video-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.video-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  overflow: hidden;
}

.video-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.25s;
}

.video-btn:hover {
  background: var(--surface-hover);
  border-color: rgba(99,210,255,0.25);
  transform: translateX(2px);
}

.video-btn:hover::before { opacity: 1; }

.video-btn.active {
  border-color: var(--border-active);
  background: rgba(99,210,255,0.07);
}

.video-btn.active::before { opacity: 1; }

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(99,210,255,0.1);
  border: 1px solid rgba(99,210,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

.btn-icon svg {
  width: 13px;
  height: 13px;
  fill: var(--accent);
}

.video-btn.active .btn-icon {
  background: rgba(99,210,255,0.2);
}

.btn-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: capitalize;
}

.btn-badge {
  font-size: 9px;
  font-family: 'Orbitron', monospace;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(99,210,255,0.12);
  color: var(--accent);
  border: 1px solid rgba(99,210,255,0.2);
  opacity: 0;
  transition: opacity 0.2s;
}

.video-btn.active .btn-badge { opacity: 1; }

/* ── VR button ─────────────────────────────── */
.vr-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px;
  border: 1px solid rgba(176,108,255,0.4);
  border-radius: var(--radius);
  background: rgba(176,108,255,0.08);
  color: #d4a8ff;
  font-family: 'Orbitron', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.vr-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(176,108,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.25s;
}

.vr-btn:hover {
  background: rgba(176,108,255,0.15);
  border-color: rgba(176,108,255,0.7);
  transform: translateY(-1px);
  box-shadow: 0 6px 30px rgba(176,108,255,0.25);
}

.vr-btn:hover::after { opacity: 1; }

.vr-btn svg {
  width: 16px;
  height: 16px;
  fill: #b06cff;
  flex-shrink: 0;
}

/* ── Panel collapse toggle ──────────────────── */
.panel-toggle {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 101;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(8,10,16,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.panel-toggle:hover {
  border-color: rgba(99,210,255,0.4);
  background: rgba(99,210,255,0.08);
}

.panel-toggle svg {
  width: 16px;
  height: 16px;
  fill: var(--accent);
}

.ui-panel.collapsed{
  transform: translateX(-110%) !important;
  opacity:0 !important;
  pointer-events:none;
}

.panel-toggle.visible { display: flex; }

/* ── Panel inner body (scrollable list) ─────── */
.panel-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: 55vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(99,210,255,0.2) transparent;
}

.panel-body::-webkit-scrollbar { width: 3px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb {
  background: rgba(99,210,255,0.25);
  border-radius: 4px;
}

/* ── Shimmer scan-line on panel ─────────────── */
.ui-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.035) 0%,
    transparent 40%
  );
  pointer-events: none;
}

/* ── Video button — ripple on click ─────────── */
.video-btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(99,210,255,0.2);
  transform: scale(0);
  animation: ripple 0.5s linear;
  pointer-events: none;
}

@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

/* ── Active btn animated left bar ───────────── */
.video-btn::after {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.video-btn.active::after { opacity: 1; }

/* ── A-Frame scene ─────────────────────────── */
a-scene{
  position: fixed;
  inset: 0;
  z-index: 0;
}

.ui-panel,
.controls-bar,
.panel-toggle{
  z-index: 200;
}

/* ── Now playing bar ───────────────────────── */
.now-playing {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(99,210,255,0.05);
  border: 1px solid rgba(99,210,255,0.15);
}

.now-playing.visible { display: flex; }

.np-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
  flex-shrink: 0;
}

.np-label {
  font-size: 11px;
  color: var(--text-muted);
  flex: 1;
}

.np-name {
  color: var(--accent);
  font-weight: 500;
  text-transform: capitalize;
}

/* ── Bottom controls bar ────────────────────── */
.controls-bar {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(8,10,16,0.88);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 60px;
  box-shadow:
    0 0 0 1px rgba(99,210,255,0.04),
    0 20px 60px rgba(0,0,0,0.6),
    inset 0 1px 0 rgba(255,255,255,0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s cubic-bezier(0.22,1,0.36,1);
  min-width: 450px;
}

.controls-bar.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

/* play/pause */
.ctrl-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.ctrl-btn:hover {
  background: rgba(99,210,255,0.12);
  border-color: rgba(99,210,255,0.35);
  transform: scale(1.08);
}

.ctrl-btn svg {
  width: 14px;
  height: 14px;
  fill: var(--text-primary);
}

/* progress */
.progress-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.progress-track {
  position: relative;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 4px;
  transition: width 0.25s linear;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translate(50%,-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 6px var(--accent);
  opacity: 0;
  transition: opacity 0.15s;
}

.progress-track:hover .progress-fill::after { opacity: 1; }

.progress-times {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'Orbitron', monospace;
  letter-spacing: 0.04em;
}

/* volume */
.volume-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
}

.volume-wrap svg {
  width: 14px;
  height: 14px;
  fill: var(--text-muted);
  flex-shrink: 0;
  cursor: pointer;
  transition: fill 0.2s;
}

.volume-wrap svg:hover { fill: var(--accent); }

input[type=range].volume-slider {
  -webkit-appearance: none;
  width: 70px;
  height: 3px;
  border-radius: 4px;
  background: rgba(255,255,255,0.12);
  outline: none;
  cursor: pointer;
}

input[type=range].volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  cursor: pointer;
}

/* fullscreen */
.ctrl-btn.fs-btn { margin-left: 4px; }

/* ctrl divider */
.ctrl-sep {
  width: 1px;
  height: 22px;
  background: var(--border);
  flex-shrink: 0;
}


/* ── VR mode — hide UI ──────────────────────── */
.vr-hidden {
  display: none !important;
}

/* A-Frame canvas */
.a-canvas{
  z-index:1 !important;
}

/* UI must stay above */
.ui-panel,
.panel-toggle,
.controls-bar{
  z-index:10000 !important;
}

/* disable grab cursor when clicking UI */
.ui-panel *,
.panel-toggle,
.controls-bar *{
  cursor:pointer !important;
}