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        <span id="sidebar-logo-text" class="text-lg font-bold tracking-wider text-emerald-50 whitespace-nowrap transition-opacity duration-300">iamcavalli</span>
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        <!-- NUOVA VOCE: Conversazioni (Con Badge Notifica) -->
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            <span class="sidebar-text whitespace-nowrap transition-opacity duration-300">Conversazioni</span>
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          <span class="bg-emerald-500 text-white text-[10px] font-bold px-2 py-0.5 rounded-full sidebar-text">2</span>
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          <span class="sidebar-text whitespace-nowrap transition-opacity duration-300">Lead</span>
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          <span class="sidebar-text whitespace-nowrap transition-opacity duration-300">Clienti</span>
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          <span class="sidebar-text whitespace-nowrap transition-opacity duration-300">Progetti</span>
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  <!-- SEZIONE PRINCIPALE -->
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    <!-- BARRA SUPERIORE -->
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        <span class="text-xs text-slate-400 font-medium">Centro Messaggi Clienti</span>
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        <span class="text-xs font-semibold text-slate-700 bg-slate-100 px-2.5 py-1 rounded-full">Admin Panel</span>
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        <!-- Header Filtro Lista -->
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          <h2 class="text-xs font-bold uppercase tracking-wider text-slate-400 mb-3">Conversazioni Attive</h2>
          <div class="relative">
            <input 
              type="text" 
              placeholder="Cerca cliente o progetto..." 
              class="w-full bg-slate-50 border border-slate-200 rounded-lg pl-8 pr-3 py-2 text-xs text-slate-800 placeholder-slate-400 focus:outline-none focus:border-brand-dark transition-all"
            />
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          </div>
        </div>

        <!-- Lista Thread Clienti -->
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          <!-- Thread 1 (Selezionato / Non letto) -->
          <div onclick="selectThread('Rossi Inc')" class="p-4 bg-emerald-50/30 border-l-4 border-brand-dark cursor-pointer transition-colors flex justify-between items-start gap-3">
            <div class="flex-1 min-w-0">
              <div class="flex justify-between items-center mb-1">
                <h3 class="text-xs font-bold text-slate-900 truncate">Rossi Inc</h3>
                <span class="text-[10px] text-slate-400 font-mono">10:42</span>
              </div>
              <p class="text-[11px] text-slate-600 font-medium truncate mb-1">In merito all'analisi competitor della Fase 2...</p>
              <span class="text-[9px] font-semibold text-amber-700 bg-amber-50 px-1.5 py-0.5 rounded border border-amber-100">Fase 2: Analisi</span>
            </div>
            <span class="w-2 h-2 rounded-full bg-emerald-500 shrink-0 mt-1"></span>
          </div>

          <!-- Thread 2 (Non letto) -->
          <div onclick="selectThread('Azienda Srl')" class="p-4 hover:bg-slate-50 cursor-pointer transition-colors flex justify-between items-start gap-3">
            <div class="flex-1 min-w-0">
              <div class="flex justify-between items-center mb-1">
                <h3 class="text-xs font-bold text-slate-800 truncate">Azienda Srl</h3>
                <span class="text-[10px] text-slate-400 font-mono">Ieri</span>
              </div>
              <p class="text-[11px] text-slate-500 truncate mb-1">Abbiamo caricato i file di onboarding!</p>
              <span class="text-[9px] font-semibold text-emerald-700 bg-emerald-50 px-1.5 py-0.5 rounded border border-emerald-100">Fase 1: Onboarding</span>
            </div>
            <span class="w-2 h-2 rounded-full bg-emerald-500 shrink-0 mt-1"></span>
          </div>

          <!-- Thread 3 (Letto) -->
          <div onclick="selectThread('Caruso Speaker')" class="p-4 hover:bg-slate-50 cursor-pointer transition-colors flex justify-between items-start gap-3 opacity-60">
            <div class="flex-1 min-w-0">
              <div class="flex justify-between items-center mb-1">
                <h3 class="text-xs font-semibold text-slate-800 truncate">Caruso Speaker</h3>
                <span class="text-[10px] text-slate-400 font-mono">12 Lug</span>
              </div>
              <p class="text-[11px] text-slate-500 truncate mb-1">Perfetto, attendo aggiornamenti.</p>
              <span class="text-[9px] font-semibold text-slate-500 bg-slate-100 px-1.5 py-0.5 rounded">Generale</span>
            </div>
          </div>

        </div>
      </div>

      <!-- COLONNA DESTRA (2/3): Area Chat con Thread Attivo -->
      <div class="flex-1 bg-white border border-slate-100 rounded-xl flex flex-col shadow-[0_4px_20px_rgba(0,0,0,0.01)] min-w-0">
        
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          <div>
            <h2 id="active-chat-title" class="text-sm font-bold text-slate-900">Rossi Inc</h2>
            <p class="text-[10px] text-slate-400 mt-0.5">Progetto: Web Domination — Pagina Pubblica Client Portal</p>
          </div>
          <a href="#" class="text-xs font-medium text-brand-dark hover:text-brand-darkHover inline-flex items-center gap-1">
            Vedi Portal Cliente ➔
          </a>
        </div>

        <!-- Thread Messaggi -->
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          <!-- Messaggio Cliente -->
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            <div class="flex justify-between items-center gap-4 text-[9px] font-bold text-slate-400">
              <span>Cliente (Rossi Inc)</span>
              <span class="text-amber-700 bg-amber-50 px-1.5 py-0.5 rounded">Riferito a: Fase 2 - Analisi</span>
            </div>
            <p class="text-xs text-slate-700 leading-relaxed">
              Buongiorno, abbiamo revisionato l'analisi dei competitor. Vorremmo aggiungere un paio di riferimenti al report prima della meeting di martedì.
            </p>
            <span class="text-[9px] text-slate-300 font-mono block text-right">10:42</span>
          </div>

          <!-- Risposta Admin -->
          <div class="max-w-[75%] ml-auto bg-brand-dark text-white p-3.5 rounded-2xl rounded-tr-sm shadow-sm space-y-1">
            <div class="flex justify-between items-center gap-4 text-[9px] font-bold text-emerald-200/80">
              <span>Tu (Admin)</span>
              <span>10:45</span>
            </div>
            <p class="text-xs leading-relaxed">
              Ricevuto! Potete caricare i documenti direttamente nella sezione Documenti della vostra area riservata, così li integriamo nella Fase 2.
            </p>
          </div>

        </div>

        <!-- Box Risposta Admin -->
        <div class="p-4 border-t border-slate-100 bg-white">
          <div class="flex gap-2">
            <textarea 
              id="admin-chat-input"
              rows="2" 
              placeholder="Scrivi una risposta per il cliente..." 
              class="flex-1 bg-slate-50 border border-slate-200 rounded-lg p-3 text-xs text-slate-800 placeholder-slate-400 focus:outline-none focus:border-brand-dark focus:bg-white transition-all resize-none"
            ></textarea>
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              onclick="sendAdminReply()"
              class="bg-brand-dark hover:bg-brand-darkHover text-white text-xs font-semibold px-5 py-2 rounded-lg transition-colors shrink-0 self-end h-10"
            >
              Invia Risposta
            </button>
          </div>
        </div>

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  <!-- SCRIPT INTERATTIVO CHAT -->
  <script>
    // Toggle Sidebar
    const sidebar = document.getElementById('sidebar');
    const toggleButton = document.getElementById('sidebar-toggle');
    const logoText = document.getElementById('sidebar-logo-text');
    const sidebarTexts = document.querySelectorAll('.sidebar-text');

    toggleButton.addEventListener('click', () => {
      const isCollapsed = sidebar.classList.contains('w-20');

      if (isCollapsed) {
        sidebar.classList.remove('w-20');
        sidebar.classList.add('w-64');
        setTimeout(() => {
          logoText.classList.remove('opacity-0');
          sidebarTexts.forEach(text => text.classList.remove('opacity-0'));
        }, 150);
      } else {
        logoText.classList.add('opacity-0');
        sidebarTexts.forEach(text => text.classList.add('opacity-0'));
        sidebar.classList.remove('w-64');
        sidebar.classList.add('w-20');
      }
    });

    // Cambio Thread Cliente
    function selectThread(clientName) {
      document.getElementById('active-chat-title').innerText = clientName;
    }

    // Invio Risposta
    function sendAdminReply() {
      const input = document.getElementById('admin-chat-input');
      const text = input.value.trim();
      if (!text) return;

      const container = document.getElementById('admin-chat-messages');
      const replyBubble = document.createElement('div');
      replyBubble.className = "max-w-[75%] ml-auto bg-brand-dark text-white p-3.5 rounded-2xl rounded-tr-sm shadow-sm space-y-1";
      replyBubble.innerHTML = `
        <div class="flex justify-between items-center gap-4 text-[9px] font-bold text-emerald-200/80">
          <span>Tu (Admin)</span>
          <span>Adesso</span>
        </div>
        <p class="text-xs leading-relaxed">${text}</p>
      `;

      container.appendChild(replyBubble);
      input.value = '';
      container.scrollTop = container.scrollHeight;
    }
  </script>
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