/* ==========================================================================
   IPNO-VISUAL Studio — Stili Applicazione (Canone EmaF205 Total Bold)
   ========================================================================== */

#app-container {
  position: relative;
  width: 100%;
  max-width: 100vw;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background-color: #000000;
  user-select: none;
}

/* Canvas Principale a Pieno Schermo */
#visualizer-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

/* Layer delle Sovraimpressioni (Podcaster, QR, Orologio, Barre) */
#overlay-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
  padding: env(safe-area-inset-top, var(--space-lg)) env(safe-area-inset-right, var(--space-lg))
           env(safe-area-inset-bottom, var(--space-lg)) env(safe-area-inset-left, var(--space-lg));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "top-row     top-row       top-row"
    "mid-left    mid-center    mid-right"
    "bot-left    bot-center    bot-right";
}

.top-header-row {
  grid-area: top-row;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  pointer-events: none;
}

.top-header-row > * {
  pointer-events: auto;
}

/* In Clean Mode (tasto H o pulsante), nascondi tutte le sovraimpressioni tranne se volute */
body.clean-mode #overlay-layer,
body.clean-mode #menu-trigger,
body.clean-mode #control-drawer,
body.clean-mode #quick-audio-bar {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--speed-normal);
}

/* ==========================================================================
   ELEMENTI DI SOVRAIMPRESSIONE (PODCASTER OVERLAYS)
   ========================================================================== */

/* 1. Card Podcaster / Speaker */
.podcaster-card {
  grid-area: bot-left;
  align-self: end;
  justify-self: start;
  pointer-events: auto;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  width: auto;
  max-width: min(480px, calc(100vw - 32px));
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.8), 0 0 20px rgba(223, 255, 0, 0.2);
  transition: transform var(--speed-normal), opacity var(--speed-normal);
}

.podcaster-card.pos-top-left {
  grid-area: top-left;
  align-self: start;
}

.podcaster-card.pos-bot-center {
  grid-area: bot-center;
  align-self: end;
  justify-self: center;
}

.podcaster-badge-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-live);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

.status-badge .dot {
  width: 8px;
  height: 8px;
  background: #FFFFFF;
  border-radius: 50%;
  animation: pulse-live 1.2s infinite ease-in-out;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.7); }
}

.category-tag {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.podcaster-title {
  font-size: clamp(1.1rem, 0.95rem + 1.2vw, 1.6rem);
  font-weight: var(--weight-black);
  letter-spacing: -0.02em;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 4px;
  word-break: break-word;
}

.podcaster-subtitle {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--c-text-muted);
  line-height: 1.3;
}

/* 2. Generatore QR Code Live */
.qr-card {
  grid-area: top-right;
  align-self: start;
  justify-self: end;
  margin-top: 56px;
  pointer-events: auto;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.8);
}

.qr-card.pos-bot-left {
  grid-area: bot-left;
  align-self: end;
  justify-self: start;
  margin-top: 0;
  margin-bottom: 120px;
}

.qr-matrix-wrapper {
  background: #FFFFFF;
  padding: 8px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-matrix-wrapper svg,
.qr-matrix-wrapper canvas {
  width: 110px;
  height: 110px;
  image-rendering: pixelated;
}

.qr-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--c-accent);
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* 3. Orologio Digitale & Timer Podcaster */
.time-card {
  grid-area: top-left;
  align-self: start;
  justify-self: start;
  pointer-events: auto;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--c-surface-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.clock-display {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-black);
  color: #FFFFFF;
  letter-spacing: 0.05em;
}

.timer-divider {
  width: 1px;
  height: 24px;
  background: var(--c-surface-border);
}

.timer-display-box {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.rec-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-live);
  animation: pulse-live 1s infinite ease-in-out;
}

.rec-timer {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--c-accent);
}

/* 4. Barre Audio Stile Winamp / VU-Meter */
.audio-meter-overlay {
  grid-area: bot-center;
  align-self: end;
  justify-self: center;
  pointer-events: none;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--c-surface-border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: var(--space-xs) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.audio-meter-canvas {
  width: 240px;
  height: 38px;
  display: block;
}

.audio-meter-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--weight-bold);
  color: var(--c-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ==========================================================================
   MENU DI CONFIGURAZIONE IN BASSO A DESTRA (PICCOLO & DISCRETO)
   ========================================================================== */

#bottom-right-controls {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom, 16px) + 16px);
  right: calc(env(safe-area-inset-right, 16px) + 16px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
}

/* Trigger Button Compatto */
.menu-trigger-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: #000000;
  color: var(--c-accent);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8);
  transition: transform var(--speed-fast), background var(--speed-fast), color var(--speed-fast);
}

.menu-trigger-btn:hover {
  background: var(--c-accent);
  color: #000000;
}

.menu-trigger-btn:active {
  transform: scale(0.96);
}

.menu-trigger-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* Cassetto / Drawer di Configurazione */
.config-drawer {
  width: 380px;
  max-width: calc(100vw - 32px);
  max-height: 80vh;
  max-height: 80dvh;
  background: rgba(14, 14, 18, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid var(--c-surface-border);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity var(--speed-normal), transform var(--speed-normal), visibility var(--speed-normal);
}

.config-drawer.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
}

/* Header Cassetto */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--c-surface-border);
  background: #08080a;
}

.drawer-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.drawer-title {
  font-size: var(--text-base);
  font-weight: var(--weight-black);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #FFFFFF;
}

.drawer-badge {
  background: var(--c-accent);
  color: #000000;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.drawer-close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--c-text-muted);
}

.drawer-close-btn:hover {
  background: var(--c-surface-border);
  color: #FFFFFF;
}

/* Schede / Tabs di Configurazione */
.drawer-nav {
  display: flex;
  border-bottom: 1px solid var(--c-surface-border);
  background: #0d0d11;
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--c-text-muted);
  text-align: center;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--speed-fast), border-color var(--speed-fast);
}

.tab-btn:hover {
  color: #FFFFFF;
}

.tab-btn.active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
  background: rgba(223, 255, 0, 0.04);
}

/* Corpo Schede */
.drawer-body {
  padding: var(--space-md);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: var(--space-md);
}

.tab-pane.active {
  display: flex;
}

/* Gruppi e Controlli del Form */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
}

.form-input, .form-select {
  background: #000000;
  border: 1.5px solid var(--c-surface-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: #FFFFFF;
  transition: border-color var(--speed-fast);
}

.form-input:focus, .form-select:focus {
  border-color: var(--c-accent);
}

/* Toggle Switch Svizzero */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
}

.toggle-label-text {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #26262b;
  transition: var(--speed-fast);
  border-radius: var(--radius-pill);
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: var(--speed-fast);
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--c-accent);
}

input:checked + .slider:before {
  transform: translateX(22px);
  background-color: #000000;
}

/* Sliders di Range */
.range-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.range-input {
  flex: 1;
  accent-color: var(--c-accent);
  height: 6px;
  background: #26262b;
  border-radius: 3px;
  cursor: pointer;
}

.range-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--c-accent);
  width: 45px;
  text-align: right;
}

/* Pulsanti Azione e Shortcut */
.btn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.action-btn {
  background: #18181f;
  color: #FFFFFF;
  border: 1.5px solid var(--c-surface-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  transition: background var(--speed-fast), border-color var(--speed-fast);
}

.action-btn:hover {
  border-color: var(--c-accent);
  background: #24242d;
}

.action-btn.active {
  background: var(--c-accent);
  color: #000000;
  border-color: var(--c-accent);
}

/* Shortcuts Footer Help */
.shortcuts-box {
  background: #000000;
  border: 1px solid var(--c-surface-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.shortcut-item .key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--weight-bold);
  background: #26262b;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--c-accent);
}

/* ==========================================================================
   HUD NOTIFICATION (FEEDBACK VISIVO SPAZIO / FRECCE)
   ========================================================================== */

#hud-banner {
  position: absolute;
  top: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--speed-normal), transform var(--speed-normal);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

#hud-banner.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(10px);
}

.hud-icon {
  width: 20px;
  height: 20px;
  color: var(--c-accent);
}

.hud-title {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-black);
  letter-spacing: 0.05em;
  color: #FFFFFF;
}

.hud-desc {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--c-accent);
}

/* Barra Rapida Audio (Attiva Mic / Demo) */
#quick-audio-bar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.quick-mic-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  border: 1.5px solid var(--c-surface-border);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  transition: all var(--speed-fast);
}

.quick-mic-btn:hover {
  border-color: var(--c-accent);
}

.quick-mic-btn.active {
  background: rgba(223, 255, 0, 0.15);
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.quick-mic-btn .mic-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse-live 1s infinite ease-in-out;
}

/* Responsive Mobile Adjustments */
@media (max-width: 640px) {
  #overlay-layer {
    padding: calc(env(safe-area-inset-top, 8px) + 8px) 12px calc(env(safe-area-inset-bottom, 8px) + 72px) 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--space-xs);
  }

  /* Header mobile con orologio e pulsante mic */
  #time-card {
    padding: 4px 10px;
    font-size: var(--text-sm);
  }

  .clock-display {
    font-size: var(--text-base);
  }

  .rec-timer {
    font-size: var(--text-sm);
  }

  #quick-audio-bar {
    top: calc(env(safe-area-inset-top, 8px) + 8px);
    right: 12px;
  }

  .quick-mic-btn {
    padding: 6px 10px;
    font-size: 13px;
  }

  .qr-card {
    margin-top: 48px;
    align-self: flex-end;
    padding: 6px 8px;
  }

  .qr-matrix-wrapper svg,
  .qr-matrix-wrapper canvas {
    width: 80px;
    height: 80px;
  }

  .qr-label {
    font-size: 12px;
  }

  .podcaster-card {
    max-width: 100%;
    margin-bottom: 8px;
    padding: var(--space-sm) var(--space-md);
  }

  .podcaster-title {
    font-size: var(--text-md);
  }

  .podcaster-subtitle {
    font-size: var(--text-sm);
  }

  .audio-meter-overlay {
    display: none !important; /* Su mobile nascondi barre centrali per lasciare spazio al visualizzatore */
  }

  #bottom-right-controls {
    bottom: calc(env(safe-area-inset-bottom, 12px) + 8px);
    right: 12px;
  }

  .menu-trigger-btn {
    padding: 8px 12px;
    font-size: 14px;
  }

  .config-drawer {
    width: 100%;
    right: 0;
    bottom: 0;
    max-height: 85dvh;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }
}