/* ══════════════════════════════════════════════
   Voice Panel — Scoped Styles
   All classes prefixed with .vp- to avoid collisions
   Mirrors dp- (Dash panel) patterns for consistency
   ══════════════════════════════════════════════ */

:root {
  --vp-accent: #0284C7;       /* Sky 600 — distinct from Dash's indigo */
  --vp-accent-dark: #0369A1;  /* Sky 700 */
  --vp-accent-dim: #E0F2FE;   /* Sky 50 */
  --vp-text: var(--text, #1A1A2E);
  --vp-text2: var(--text2, #4B5563);
  --vp-text3: var(--text3, #6B7280);
  --vp-subtle: var(--subtle, #9CA3AF);
  --vp-bg: var(--bg, #FAFAF9);
  --vp-card: var(--card, #FFFFFF);
  --vp-border: var(--border, #E5E7EB);
  --vp-glass-bg: var(--glass-bg, #FFFFFF);
  --vp-glass-border: var(--glass-border, rgba(0,0,0,0.05));
  --vp-red: var(--red, #DC2626);
  --vp-red-bg: var(--red-bg, #FEF2F2);
  --vp-green: #059669;
  --vp-green-bg: #ECFDF5;
  --vp-amber: #D97706;
  --vp-amber-bg: #FFFBEB;
  --vp-sans: var(--sans, 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
  --vp-mono: var(--mono, 'SF Mono', 'Cascadia Code', 'Fira Code', monospace);
  --vp-radius-md: 6px;
  --vp-radius-lg: 8px;
  --vp-radius-xl: 10px;
  --vp-radius-full: 9999px;
  --vp-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --vp-panel-width: 380px;
}

/* ── Floating trigger button (bottom-RIGHT, above Dash trigger) ── */
.vp-trigger {
  position: fixed;
  bottom: 72px;
  right: 24px;
  z-index: 149;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--vp-accent);
  color: #fff;
  border: none;
  border-radius: var(--vp-radius-full);
  font-family: var(--vp-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(2,132,199,0.3);
  transition: transform 0.2s var(--vp-ease), box-shadow 0.2s, opacity 0.2s;
}
.vp-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2,132,199,0.4);
}
.vp-trigger.vp-hidden {
  opacity: 0; pointer-events: none; transform: scale(0.9);
}
.vp-trigger-icon {
  font-size: 16px; line-height: 1;
}
.vp-trigger-avatar {
  width: 20px; height: 20px; border-radius: 4px; vertical-align: middle;
}

/* ── Panel container (slides from RIGHT) ── */
.vp-panel {
  position: fixed;
  top: var(--nav-height, 56px);
  right: 0;
  width: var(--vp-panel-width);
  height: calc(100vh - var(--nav-height, 56px));
  z-index: 150;
  display: flex;
  flex-direction: column;
  background: var(--vp-glass-bg);
  border-left: 1px solid var(--vp-glass-border);
  box-shadow: -4px 0 24px rgba(0,0,0,0.08);
  transform: translateX(100%);
  transition: transform 0.4s var(--vp-ease);
  font-family: var(--vp-sans);
  color: var(--vp-text);
}
.vp-panel.vp-open {
  transform: translateX(0);
}

/* ── Header ── */
.vp-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--vp-border);
  flex-shrink: 0;
  min-height: 52px;
}
.vp-header-icon {
  width: 28px; height: 28px;
  border-radius: var(--vp-radius-lg);
  background: linear-gradient(135deg, var(--vp-accent), #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: #fff; flex-shrink: 0;
  overflow: hidden;
}
.vp-header-avatar {
  width: 28px; height: 28px; border-radius: var(--vp-radius-lg);
  object-fit: cover;
}
.vp-header-info { flex: 1; min-width: 0; }
.vp-header-title {
  font-size: 14px; font-weight: 700; color: var(--vp-text);
  display: flex; align-items: center; gap: 6px;
}
.vp-header-sub {
  font-size: 11px; color: var(--vp-text3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vp-status-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  transition: background 0.3s;
}
.vp-status-dot.vp-idle { background: var(--vp-subtle); }
.vp-status-dot.vp-connecting { background: var(--vp-amber); animation: vp-pulse 1s ease-in-out infinite; }
.vp-status-dot.vp-listening { background: var(--vp-accent); animation: vp-pulse 2s ease-in-out infinite; }
.vp-status-dot.vp-speaking { background: var(--vp-green); animation: vp-pulse 2s ease-in-out infinite; }
.vp-status-dot.vp-error { background: var(--vp-red); }

@keyframes vp-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.vp-close-btn {
  background: none; border: none; cursor: pointer;
  color: var(--vp-subtle); font-size: 18px; padding: 4px;
  border-radius: var(--vp-radius-md);
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}
.vp-close-btn:hover { color: var(--vp-text); background: rgba(0,0,0,0.04); }

/* ── Body ── */
.vp-body {
  flex: 1; display: flex; flex-direction: column;
  min-height: 0; padding: 0;
}

/* ── Mic area ── */
.vp-mic-area {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 32px 16px 16px;
  flex-shrink: 0;
}

.vp-mic-btn {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 3px solid var(--vp-border);
  background: var(--vp-card);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  transition: all 0.3s var(--vp-ease);
  position: relative;
}
.vp-mic-btn:hover {
  border-color: var(--vp-accent);
  box-shadow: 0 0 0 4px var(--vp-accent-dim);
}
.vp-mic-btn.vp-active {
  border-color: var(--vp-accent);
  background: var(--vp-accent-dim);
  box-shadow: 0 0 0 6px rgba(2,132,199,0.15);
}
.vp-mic-btn.vp-speaking-btn {
  border-color: var(--vp-green);
  background: var(--vp-green-bg);
  box-shadow: 0 0 0 6px rgba(5,150,105,0.15);
}
.vp-mic-btn.vp-error-btn {
  border-color: var(--vp-red);
  background: var(--vp-red-bg);
}
.vp-mic-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  object-fit: cover; pointer-events: none;
}

.vp-mic-label {
  margin-top: 12px;
  font-size: 13px;
  color: var(--vp-text3);
  text-align: center;
}

/* ── Waveform canvas ── */
.vp-waveform-wrap {
  padding: 0 16px;
  height: 48px;
  flex-shrink: 0;
}
.vp-waveform {
  width: 100%;
  height: 48px;
  display: block;
}

/* ── Transcript ── */
.vp-transcript {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vp-transcript::-webkit-scrollbar { width: 4px; }
.vp-transcript::-webkit-scrollbar-thumb { background: var(--vp-border); border-radius: 2px; }
.vp-transcript::-webkit-scrollbar-track { background: transparent; }

.vp-turn {
  max-width: 92%;
  padding: 8px 12px;
  border-radius: var(--vp-radius-xl);
  font-size: 13px;
  line-height: 1.5;
  animation: vp-fadeIn 0.25s var(--vp-ease);
}
@keyframes vp-fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.vp-turn-user {
  align-self: flex-end;
  background: var(--vp-accent-dim);
  color: var(--vp-text);
  border-bottom-right-radius: 4px;
}
.vp-turn-assistant {
  align-self: flex-start;
  background: var(--vp-card);
  color: var(--vp-text);
  border: 1px solid var(--vp-glass-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border-bottom-left-radius: 4px;
}
.vp-turn-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--vp-accent);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.vp-turn-avatar {
  width: 14px; height: 14px; border-radius: 3px;
  vertical-align: middle;
}
.vp-turn-error {
  align-self: center;
  background: var(--vp-red-bg);
  color: var(--vp-red);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--vp-radius-lg);
}
.vp-turn-system {
  align-self: center;
  color: var(--vp-subtle);
  font-size: 11px;
  padding: 4px 12px;
  text-align: center;
  font-style: italic;
}

/* ── Footer ── */
.vp-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--vp-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.vp-stop-btn {
  padding: 6px 16px;
  background: var(--vp-red-bg);
  color: var(--vp-red);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: var(--vp-radius-lg);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--vp-sans);
  cursor: pointer;
  transition: background 0.15s;
}
.vp-stop-btn:hover { background: #FECACA; }
.vp-stop-btn:disabled { opacity: 0.4; cursor: default; }

.vp-footer-version {
  font-size: 11px;
  color: var(--vp-subtle);
  font-family: var(--vp-mono);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .vp-panel { width: 100%; }
  .vp-trigger { bottom: 64px; right: 16px; padding: 8px 16px; font-size: 13px; }
}