/* ==============================================================================
   TRACCIATO STUDIO OS - APP SHELL CSS (OPERAZIONE 2.4)
   Architettura di Navigazione Swiss Minimal: Sidebar 7 Voci, Header & Omnibar
   ============================================================================== */

/* Contenitore Globale del Guscio Applicativo */
.app-shell-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-primary);
}

/* ==============================================================================
   1. BARRA LATERALE SINISTRA (LA SPINA DORSALE - 240px)
   ============================================================================== */
.app-sidebar {
  width: 240px;
  background-color: var(--surface-1);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.85rem;
  flex-shrink: 0;
  z-index: 50;
  transition: transform var(--transition-base);
  box-sizing: border-box;
}

[data-theme="light"] .app-sidebar {
  background-color: #FFFFFF;
  border-right-color: #E2E8F0;
}

/* Brand Studio compatto in cima */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0.5rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
  user-select: none;
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #10B981;
  flex-shrink: 0;
}

.sidebar-logo svg {
  width: 20px;
  height: 20px;
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-brand-badge {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* Elenco Navigazione (7 Sezioni) */
.sidebar-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  margin: 0;
  padding: 0;
  width: 100%;
}

.sidebar-nav-list li {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: block;
}

.nav-item {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 0.65rem 0.85rem !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-secondary) !important;
  cursor: pointer !important;
  font-family: var(--font-sans) !important;
  font-size: var(--text-sm) !important;
  font-weight: 500 !important;
  letter-spacing: -0.01em !important;
  transition: all var(--transition-fast) !important;
  user-select: none !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-left: 3px solid transparent !important;
  text-decoration: none !important;
  text-align: left !important;
  box-shadow: none !important;
  outline: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
  box-sizing: border-box !important;
  margin: 0 !important;
}

.nav-item:hover {
  background: var(--surface-2) !important;
  color: var(--text-primary) !important;
  border-color: transparent !important;
  border-left-color: var(--border-strong) !important;
}

.nav-item.active {
  background: var(--surface-2) !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  border-color: transparent !important;
  border-left-color: #3B82F6 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25) !important;
}

[data-theme="light"] .nav-item {
  color: #475569 !important;
}

[data-theme="light"] .nav-item:hover {
  background: #F1F5F9 !important;
  color: #0F172A !important;
  border-left-color: #94A3B8 !important;
}

[data-theme="light"] .nav-item.active {
  background: #F1F5F9 !important;
  color: #0F172A !important;
  border-left-color: #2563EB !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
}

.nav-item svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  stroke-width: 2;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-item:hover svg,
.nav-item.active svg {
  color: var(--text-primary);
}

.nav-item.active svg {
  color: #3B82F6;
}

.nav-item-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  padding: 1px 6px;
  border-radius: 9999px;
  font-weight: 600;
}

.nav-item.active .nav-item-badge {
  color: #60A5FA;
  border-color: var(--blue-border);
  background: rgba(59, 130, 246, 0.1);
}

/* Sezione Inferiore Sidebar */
.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==============================================================================
   2. AREA PRINCIPALE (HEADER DI COMANDO & VISTA OPERATIVA)
   ============================================================================== */
.app-main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Barra di Comando Superiore (Top Header - 60px) */
.top-header {
  height: 60px;
  background-color: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
  z-index: 30;
  gap: 1rem;
  box-sizing: border-box;
}

[data-theme="light"] .top-header {
  background-color: #FFFFFF;
  border-bottom-color: #E2E8F0;
}

.top-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Pulsante Hamburger Mobile */
.btn-mobile-menu {
  display: none;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Omnibar di Ricerca Rapida (Ctrl + K) */
.search-omnibar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--surface-2);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  width: 320px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.search-omnibar:hover {
  border-color: var(--border-strong);
  background-color: var(--surface-3);
}

.search-omnibar svg {
  width: 15px;
  height: 15px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.search-omnibar-placeholder {
  font-size: var(--text-xs);
  color: var(--text-muted);
  flex: 1;
}

.search-omnibar-kbd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background-color: var(--surface-1);
  border: 1px solid var(--border-medium);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-dim);
  flex-shrink: 0;
}

[data-theme="light"] .search-omnibar {
  background-color: #F8FAFC;
  border-color: #CBD5E1;
}

[data-theme="light"] .search-omnibar-kbd {
  background-color: #FFFFFF;
  border-color: #CBD5E1;
}

/* Azioni e Dock a Destra */
.top-header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Mini Dock Timer Fluttuante */
.live-timer-dock {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--surface-2);
  border: 1px solid var(--border-medium);
  transition: all var(--transition-fast);
  user-select: none;
}

.live-timer-dock.running {
  border-color: rgba(16, 185, 129, 0.4);
  background-color: rgba(16, 185, 129, 0.08);
}

.live-timer-dock.paused {
  border-color: rgba(245, 158, 11, 0.45) !important;
  background-color: rgba(245, 158, 11, 0.08) !important;
}

.dock-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulse-green 1.8s infinite;
  transition: all var(--transition-fast);
}

.live-timer-dock.paused .dock-pulse-dot {
  background-color: #F59E0B !important;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6) !important;
  animation: none !important;
}

.dock-digits {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #10B981;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.live-timer-dock.paused .dock-digits {
  color: #F59E0B !important;
}

.live-timer-dock.paused .dock-pause-btn {
  color: #F59E0B !important;
}

[data-theme="light"] .live-timer-dock.paused {
  background-color: #FFFBEB !important;
  border-color: #FCD34D !important;
}

[data-theme="light"] .live-timer-dock.paused .dock-digits {
  color: #B45309 !important;
}

.dock-task-title {
  font-size: 0.725rem;
  color: var(--text-body);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dock-pause-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.dock-pause-btn:hover {
  color: var(--text-primary);
}

/* Profilo Utente Compatto */
.header-user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-user-name {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Contenitore Scrollabile per la Vista Attiva */
.app-content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
}

/* ==============================================================================
   3. MODALE COMANDI OMNIBAR (CTRL + K PALETTE)
   ============================================================================== */
.omnibar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  animation: fadeIn 0.15s ease-out;
}

.omnibar-dialog {
  width: 100%;
  max-width: 580px;
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px -8px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

[data-theme="light"] .omnibar-dialog {
  background: #FFFFFF;
  border-color: #CBD5E1;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

.omnibar-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.omnibar-input-row svg {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
}

.omnibar-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: var(--text-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.omnibar-input::placeholder {
  color: var(--text-muted);
}

.omnibar-results-list {
  max-height: 360px;
  overflow-y: auto;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.omnibar-group-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.5rem 0.75rem 0.25rem;
}

.omnibar-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.omnibar-result-item:hover,
.omnibar-result-item.selected {
  background: var(--surface-2);
  color: var(--text-primary);
}

.omnibar-footer {
  padding: 0.65rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.725rem;
  color: var(--text-dim);
  background: var(--surface-2);
}

/* ==============================================================================
   4. ADATTAMENTO RESPONSIVE & CASSETTO MOBILE (< 992px)
   ============================================================================== */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  z-index: 45;
}

@media (max-width: 992px) {
  .btn-mobile-menu {
    display: flex;
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
  }

  .sidebar-open .app-sidebar {
    transform: translateX(0);
  }

  .sidebar-open .sidebar-backdrop {
    display: block;
  }

  .search-omnibar {
    width: 200px;
  }

  .dock-task-title {
    display: none;
  }
}

@media (max-width: 640px) {
  .search-omnibar-placeholder {
    display: none;
  }
  .search-omnibar {
    width: auto;
    padding: 0.45rem 0.6rem;
  }
  .header-user-name {
    display: none;
  }
  .top-header {
    padding: 0 1rem;
  }
}

/* ==============================================================================
   5. CONTENITORI VISTE DELLE 7 SEZIONI STUDIO
   ============================================================================== */
.section-view-container {
  padding: 2rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.section-view-header {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.section-view-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-view-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.section-view-subtitle {
  font-size: var(--text-base);
  color: var(--text-body);
}

.section-table-card {
  background: var(--surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .section-table-card {
  background: #FFFFFF;
  border-color: #E2E8F0;
}

.section-table-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-table-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
  font-size: var(--text-sm);
}

.section-table-row:last-child {
  border-bottom: none;
}

.section-table-row:hover {
  background: var(--surface-2);
}

/* Container e Stile Notifiche Toast di Sistema */
.shell-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.shell-toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: slideInUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: opacity 0.2s, transform 0.2s;
  background: var(--surface-2);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.shell-toast.warning {
  border-color: rgba(245, 158, 11, 0.5);
  background: #1C1917;
  color: #FBBF24;
}

[data-theme="light"] .shell-toast.warning {
  background: #FFFBEB;
  border-color: #FCD34D;
  color: #B45309;
}

.shell-toast.info {
  border-color: rgba(59, 130, 246, 0.5);
  background: #111827;
  color: #93C5FD;
}

[data-theme="light"] .shell-toast.info {
  background: #EFF6FF;
  border-color: #BFDBFE;
  color: #1D4ED8;
}

.shell-toast.success {
  border-color: rgba(16, 185, 129, 0.5);
  background: #064E3B;
  color: #6EE7B7;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Toolbar e Filtri per le Viste dello Studio */
.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.section-filter-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--surface-2);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.section-filter-btn {
  padding: 0.35rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.section-filter-btn:hover {
  color: var(--text-primary);
}

.section-filter-btn.active {
  background: var(--surface-1);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-subtle);
}

[data-theme="light"] .section-filter-group {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

[data-theme="light"] .section-filter-btn.active {
  background: #FFFFFF;
  color: #0F172A;
}