/**
 * Manic Pixels Web OS — Volume Tray CSS
 * Ícone de volume na tray + popover de mixer.
 * Sprint 8
 */

/* ── Botão da tray ──────────────────────────────────────────────────────── */

.mp-volume-tray-btn {
  width:  28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  color: rgba(255,255,255,0.70);
  background: transparent;
  border: none;
  padding: 0;
  transition: background 0.12s, color 0.12s;
  flex-shrink: 0;
}

.mp-volume-tray-btn:hover {
  background: var(--mp-taskbar-highlight);
  color: var(--mp-taskbar-fg);
}

.mp-volume-tray-btn.active {
  background: rgba(var(--mp-accent-rgb), 0.18);
  color: var(--mp-accent, #3daee9);
}

.mp-volume-tray-btn svg {
  width: 15px;
  height: 15px;
  pointer-events: none;
}

/* ── Popover container ──────────────────────────────────────────────────── */

#mp-volume-popover {
  position: fixed;
  z-index: 9600;
  width: 240px;

  background: var(--mp-menu-bg, rgba(27, 30, 46, 0.95));
  border: 1px solid var(--mp-menu-border, rgba(255,255,255,0.10));
  border-radius: var(--mp-menu-radius, 10px);
  box-shadow: var(--mp-menu-shadow, 0 8px 32px rgba(0,0,0,0.50));
  backdrop-filter: blur(var(--mp-menu-blur, 20px));
  -webkit-backdrop-filter: blur(var(--mp-menu-blur, 20px));

  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;

  opacity: 0;
  transform: translateY(6px) scale(0.97);
  transform-origin: bottom center;
  transition: opacity 0.14s ease, transform 0.14s ease;
  pointer-events: none;
}

#mp-volume-popover.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ── Header ──────────────────────────────────────────────────────────────── */

.mp-vp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mp-vp-title {
  font-family: var(--mp-font-ui, system-ui, sans-serif);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.40);
}

.mp-vp-settings-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 0;
  transition: background 0.12s, color 0.12s;
}

.mp-vp-settings-btn:hover {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.75);
}

/* ── Master volume row ───────────────────────────────────────────────────── */

.mp-vp-master {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mp-vp-mute-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.75);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.mp-vp-mute-btn:hover {
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.95);
}

.mp-vp-mute-btn.muted {
  color: rgba(255,255,255,0.30);
  border-color: rgba(255,255,255,0.04);
}

.mp-vp-mute-btn svg {
  width: 15px;
  height: 15px;
}

.mp-vp-slider-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.mp-vp-slider {
  flex: 1;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.mp-vp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--mp-accent, #3daee9);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  transition: transform 0.1s;
}

.mp-vp-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.mp-vp-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--mp-accent, #3daee9);
  border-radius: 50%; border: none; cursor: pointer;
}

.mp-vp-val {
  font-size: 11px;
  color: rgba(255,255,255,0.40);
  min-width: 32px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--mp-font-ui, system-ui, sans-serif);
}

/* ── App mixer ───────────────────────────────────────────────────────────── */

.mp-vp-mixer {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mp-vp-mixer:empty { display: none; }

.mp-vp-mixer-title {
  font-family: var(--mp-font-ui, system-ui, sans-serif);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.30);
  margin-bottom: 2px;
  padding-top: 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.mp-vp-app-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mp-vp-app-label {
  font-family: var(--mp-font-ui, system-ui, sans-serif);
  font-size: 11px;
  color: rgba(255,255,255,0.60);
  min-width: 64px;
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}

.mp-vp-app-mute {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.50);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s;
}

.mp-vp-app-mute:hover {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.80);
}

.mp-vp-app-mute.muted { color: rgba(255,255,255,0.25); }

.mp-vp-app-slider {
  flex: 1;
  height: 3px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.mp-vp-app-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  background: var(--mp-accent, #3daee9);
  border-radius: 50%;
  cursor: pointer;
}

.mp-vp-app-slider::-moz-range-thumb {
  width: 11px; height: 11px;
  background: var(--mp-accent, #3daee9);
  border-radius: 50%; border: none; cursor: pointer;
}

.mp-vp-app-val {
  font-size: 10px;
  color: rgba(255,255,255,0.30);
  min-width: 28px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--mp-font-ui, system-ui, sans-serif);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.mp-vp-footer {
  padding-top: 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.mp-vp-open-mixer {
  width: 100%;
  padding: 6px;
  background: transparent;
  border: none;
  border-radius: 5px;
  font-family: var(--mp-font-ui, system-ui, sans-serif);
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  text-align: center;
  transition: background 0.12s, color 0.12s;
}

.mp-vp-open-mixer:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.70);
}