/* ============================================
   Dingler - Stili Mobile-First
   ============================================ */

/* Variabili CSS */
:root {
  --color-bg: #0f0f1a;
  --color-bg-secondary: #1a1a2e;
  --color-bg-card: #16213e;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-secondary: #06b6d4;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-text: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #334155;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --font-family: 'Roboto', sans-serif;
  --font-family-mono: 'Roboto Mono', monospace;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;

  --btn-height: 56px;
  --btn-height-large: 64px;
  --header-height: 64px;
}

/* Reset di base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utility */
.hidden {
  display: none !important;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--spacing-lg);
  text-align: center;
}

/* Pagine */
.page {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow-y: auto;
  background-color: var(--color-bg);
}

.page.hidden {
  display: none;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-height);
}

.header h1 {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: center;
  margin-right: 40px;
}

/* Main content */
.main-content {
  flex: 1;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

/* Footer */
.footer {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

/* Intercom name */
.intercom-name {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  text-align: center;
}

/* Icone di stato */
.error-icon,
.success-icon,
.warning-icon,
.geo-icon {
  margin-bottom: var(--spacing-lg);
}

.error-icon svg {
  color: var(--color-error);
}

.success-icon svg {
  color: var(--color-success);
}

.warning-icon svg {
  color: var(--color-warning);
}

.geo-icon svg {
  color: var(--color-secondary);
}

/* Titoli */
h1 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hint code {
  background-color: var(--color-bg-card);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-weight: 400;
}

/* Bottoni */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-md);
  font-weight: 400;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: var(--btn-height);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 8px;
  background-color: transparent;
  border-radius: var(--radius-full);
}

.btn-icon:hover {
  background-color: var(--color-bg-card);
}

.btn-large {
  width: 100%;
  max-width: 320px;
  min-height: var(--btn-height-large);
  font-size: var(--font-size-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.btn-record {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background-color: var(--color-error);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-record:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.btn-record.recording {
  animation: pulse-record 1.5s infinite;
}

.btn-stop {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background-color: var(--color-error);
  color: white;
}

.btn-stop:hover:not(:disabled) {
  transform: scale(1.05);
}

.btn-end-call {
  background-color: var(--color-error);
  color: white;
}

/* Grid opzioni */
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

@media (min-width: 480px) {
  .options-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .call-card {
    grid-column: span 2;
  }
}

/* Option Card */
.option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background-color: var(--color-bg-card);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 180px;
}

.option-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.option-card:active {
  transform: translateY(0);
}

.option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-secondary);
}

.audio-icon svg {
  color: var(--color-secondary);
}

.video-icon svg {
  color: var(--color-success);
}

.call-icon svg {
  color: var(--color-error);
}

.call-card {
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-secondary));
}

.call-card .option-icon {
  background: linear-gradient(135deg, var(--color-error), #dc2626);
}

.call-card .option-icon svg {
  color: white;
}

.option-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.option-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Loader */
.loader {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-bg-card);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-lg);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Timer */
.timer {
  font-size: var(--spacing-lg);
  font-weight: 700;
  font-family: var(--font-family-mono);
  font-weight: 400;
  color: var(--color-text);
  margin: var(--spacing-sm) 0;
}

/* Recorder Container */
.recorder-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* Visualizer */
.visualizer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 60px;
  margin-bottom: var(--spacing-lg);
}

.visualizer-bar {
  width: 5px;
  height: 20px;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: height var(--transition-fast);
}

.visualizer.active .visualizer-bar {
  animation: visualize 0.5s ease-in-out infinite;
}

/* Disabilita animazione CSS quando usiamo dati audio reali */
.visualizer.active.use-real-data .visualizer-bar {
  animation: none;
}

.visualizer-bar:nth-child(1) { animation-delay: 0s; }
.visualizer-bar:nth-child(2) { animation-delay: 0.1s; }
.visualizer-bar:nth-child(3) { animation-delay: 0.2s; }
.visualizer-bar:nth-child(4) { animation-delay: 0.3s; }
.visualizer-bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes visualize {
  0%, 100% {
    height: 20px;
  }
  50% {
    height: 50px;
  }
}

@keyframes pulse-record {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(239, 68, 68, 0);
  }
}

/* Preview */
.preview {
  width: 100%;
  margin-bottom: var(--spacing-lg);
}

.preview audio {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-md);
}

/* Recording actions */
.recorder-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
  padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 20px));
}

.recording-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  width: 100%;
  max-width: 300px;
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

.recording-actions .btn {
  flex: 1;
}

/* Video Preview */
.video-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  max-height: 50vh;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
  padding: var(--spacing-md);
}

.recording-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(239, 68, 68, 0.9);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.rec-dot {
  width: 8px;
  height: 8px;
  background-color: white;
  border-radius: var(--radius-full);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Call Container */
.call-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
}

.remote-video {
  position: relative;
  width: 100%;
  height: 60vh;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.remote-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.call-status {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text);
}

.call-pulse {
  width: 60px;
  height: 60px;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-full);
  animation: call-pulse 1.5s infinite;
}

@keyframes call-pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.local-video {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 100px;
  height: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-border);
}

.local-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.call-info {
  margin-top: var(--spacing-lg);
}

.call-info p {
  font-size: var(--font-size-xl);
  font-family: var(--font-family-mono);
  font-weight: 400;
  font-weight: 600;
}

/* Connection Status */
#connection-status {
  color: var(--color-success);
}

#connection-status.disconnected {
  color: var(--color-error);
}

#connection-status.connecting {
  color: var(--color-warning);
}

/* Messaggio distanza */
#current-distance {
  font-weight: 700;
  color: var(--color-warning);
}

/* Accessibilità */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Supporto Dark Mode di sistema */
@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f8fafc;
    --color-bg-secondary: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
  }
}

/* Touch: ottimizzazioni per dispositivi mobili */
@media (hover: none) and (pointer: coarse) {
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .option-card {
    min-height: 160px;
  }

  .btn-record,
  .btn-stop {
    width: 88px;
    height: 88px;
  }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .container {
    min-height: auto;
    padding: var(--spacing-md);
  }

  .header {
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .header h1 {
    font-size: var(--font-size-md);
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .options-grid {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .option-card {
    min-height: 120px;
    padding: var(--spacing-md);
    flex: 0 1 calc(50% - var(--spacing-sm));
  }

  .option-icon {
    width: 48px;
    height: 48px;
  }

  .option-icon svg {
    width: 32px;
    height: 32px;
  }
}

/* Table actions */
.table-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--spacing-sm);
}

/* Header tabella con checkbox e cestino */
.th-with-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.th-with-actions input[type="checkbox"] {
  flex-shrink: 0;
}

.th-with-actions .btn-trash {
  flex-shrink: 0;
}

/* Pulsante cestino nella header */
.btn-trash {
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: white;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: none;
  align-items: center;
  justify-content: center;
}

.btn-trash:hover {
  color: var(--color-error);
}

/* Checkbox stile scuro */
.message-checkbox,
.intercom-checkbox,
.user-checkbox,
#select-all-messages,
#select-all-intercoms,
#select-all-users {
  width: 18px;
  height: 18px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  accent-color: var(--color-primary);
  background-color: #0f0f1a;
  border: 2px solid var(--color-border);
  border-radius: 4px;
}

.message-checkbox:checked,
.intercom-checkbox:checked,
.user-checkbox:checked,
#select-all-messages:checked,
#select-all-intercoms:checked,
#select-all-users:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

/* Cestino nella riga selezionata */
.checkbox-cell {
  position: relative;
}

.btn-delete-row {
  position: absolute;
  left: -30px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-error);
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 10;
}

.btn-delete-row.hidden {
  display: none;
}

/* Mostra il cestino quando la riga è selezionata */
.message-row.selected .message-checkbox {
  display: none;
}

.message-row.selected .btn-delete-row {
  opacity: 1;
}

.message-row.selected {
  background-color: rgba(239, 68, 68, 0.1);
}

/* Paginazione */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.btn-page {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-page:hover:not(:disabled) {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-page.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.btn-page:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-dots {
  color: var(--color-text-muted);
  padding: 0 4px;
}