/* PROSOPO — futuristic dark HUD aesthetic */
:root {
  --bg: #04060a;
  --panel: rgba(10, 16, 26, 0.72);
  --line: rgba(0, 229, 255, 0.25);
  --neon: #00e5ff;
  --neon-soft: rgba(0, 229, 255, 0.55);
  --text: #d7f4ff;
  --text-dim: #6b8a99;
  --danger: #ff5470;
  --ok: #3dffb0;
  --font: "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Code", Consolas, monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  overflow: hidden;
}

#stage { position: relative; width: 100vw; height: 100dvh; }

/* Perspective wireframe grid backdrop */
#grid-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 42%, rgba(0, 229, 255, 0.10), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, black 40%, transparent 100%);
  animation: grid-drift 24s linear infinite;
  pointer-events: none;
}
@keyframes grid-drift {
  from { background-position: 0 0, 0 0, 0 0; }
  to   { background-position: 0 0, 0 48px, 48px 0; }
}

#avatar { position: absolute; inset: 0; }
#avatar canvas { outline: none; }

/* Top HUD */
#hud-top {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 26px;
  pointer-events: none;
  z-index: 5;
}
.logo {
  font-family: var(--mono);
  font-size: 20px; letter-spacing: 4px; font-weight: 600;
  color: var(--text);
  text-shadow: 0 0 18px var(--neon-soft);
}
.logo .dot { color: var(--neon); }

.status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  backdrop-filter: blur(6px);
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon); box-shadow: 0 0 8px var(--neon);
  animation: pulse 1.6s ease-in-out infinite;
}
.status-dot.booting { background: #ffc857; box-shadow: 0 0 8px #ffc857; }
.status-dot.error { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: none; }
.status-dot.ready { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
@keyframes pulse { 50% { opacity: 0.4; } }

/* Subtitles */
.subtitle {
  position: absolute; left: 50%; bottom: 132px;
  transform: translateX(-50%);
  max-width: min(720px, 86vw);
  text-align: center;
  font-size: 18px; line-height: 1.45;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 18px;
  backdrop-filter: blur(8px);
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
  z-index: 5;
}

/* Bottom HUD */
#hud-bottom {
  position: absolute; left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: min(760px, 94vw);
  padding: 12px 0 18px;
  z-index: 6;
}

.chat-panel {
  margin-bottom: 12px;
  animation: rise 0.25s ease;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.chat-log {
  max-height: 32vh; min-height: 48px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 10px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.msg { font-size: 14px; line-height: 1.5; padding: 6px 10px; border-radius: 8px; max-width: 88%; }
.msg.user { align-self: flex-end; background: rgba(0, 229, 255, 0.12); border: 1px solid var(--line); }
.msg.ai { align-self: flex-start; color: var(--text); background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255,255,255,0.07); }
.msg.ai.thinking { color: var(--text-dim); font-style: italic; }

.chat-form {
  display: flex; gap: 8px; align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 32px rgba(0, 229, 255, 0.08);
}
#chat-input {
  flex: 1;
  background: transparent; border: none; outline: none;
  color: var(--text); font-size: 16px; font-family: var(--font);
  padding: 6px 10px;
}
#chat-input::placeholder { color: var(--text-dim); }

.icon-btn {
  width: 40px; height: 40px; flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(0, 229, 255, 0.08);
  color: var(--neon);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.icon-btn:hover { background: rgba(0, 229, 255, 0.2); box-shadow: 0 0 14px var(--neon-soft); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
/* Dock — the two main controls */
.dock {
  display: flex; justify-content: center; gap: 14px;
}
.dock-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-family: var(--mono); font-size: 13px; letter-spacing: 1px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.18s ease;
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.06);
}
.dock-btn:hover { border-color: var(--neon); box-shadow: 0 0 18px var(--neon-soft); }
.dock-btn.active {
  background: rgba(0, 229, 255, 0.18);
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 22px var(--neon-soft);
}
.dock-btn.listening .dock-icon { animation: pulse 1.1s ease-in-out infinite; }
.dock-icon { display: block; }

/* Wake overlay */
.wake {
  position: absolute; inset: 0; z-index: 20;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  background: rgba(2, 4, 10, 0.88);
  backdrop-filter: blur(6px);
  transition: opacity 0.5s ease;
}
.wake.hidden { opacity: 0; pointer-events: none; }
.wake-title {
  font-family: var(--mono); font-size: 34px; letter-spacing: 8px; font-weight: 600;
  color: var(--text); text-shadow: 0 0 24px var(--neon-soft);
}
.wake-title .dot { color: var(--neon); }
.wake-sub {
  font-family: var(--mono); font-size: 12px; letter-spacing: 6px; color: var(--text-dim);
  margin-bottom: 18px;
}
.wake-buttons { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.wake-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-family: var(--mono); font-size: 13px; letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.wake-btn:hover { border-color: var(--neon); box-shadow: 0 0 22px var(--neon-soft); }
.wake-btn.primary {
  background: rgba(0, 229, 255, 0.14);
  border-color: var(--neon);
  color: var(--neon);
}
.wake-note {
  font-family: var(--mono); font-size: 11px; color: var(--text-dim); letter-spacing: 1px;
  margin-top: 10px;
}

.hint {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px; color: var(--text-dim);
  margin-top: 8px;
  letter-spacing: 0.4px;
}

@media (max-width: 640px) {
  .logo { font-size: 15px; letter-spacing: 2px; }
  .subtitle { font-size: 15px; bottom: 120px; }
}