:root {
  /* Brand Colors */
  --brand1: #7c3aed;     /* violetto (utente) */
  --brand2: #8b5cf6;
  --brand3: #06b6d4;     /* azzurro (coach) */
  --brand-grad: linear-gradient(100deg, var(--brand1), var(--brand2) 45%, var(--brand3)); 
  
  /* Text Colors */
  --text: #0f172a;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Background Colors */
  --bg-panel: #11101b;
  --bg-input: #1b1a27;
  --bg-secondary: #161521;
  --bg-secondary-light: #161521bb;
  
  /* Border Colors */
  --border-color: #2d2c40;
  --border-color-light: #e2e8f0;
  
  /* Layout */
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --shadow: 0 14px 36px rgba(2, 6, 23, 0.25);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 20px rgba(124, 58, 237, 0.45);
  
  /* Animations */
  --title-shine-duration: 6s;
  --transition-fast: 0.12s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.35s ease;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Typography */
  --font-family: 'Inter', system-ui, sans-serif;
  --font-size-sm: 0.95rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.5rem;
  --line-height-base: 1.6;
  --letter-spacing-wide: 0.3px;
}

/* Light Theme */
body.light {
  --bg-panel: #ffffff;
  --bg-input: #f1f5f9;
  --bg-secondary: #f8fafc;
  --bg-secondary-light: rgba(248, 250, 252, 0.8);
  --text-light: #0f172a;
  --text: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  height: auto;
  min-height: 100svh;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--text-light);
  background: #eef2f6 url("/images/chat/lab-bg.jpg") center/cover fixed no-repeat;
  background-attachment: fixed;
  transition: background-position var(--transition-normal);
  will-change: background-position;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  overflow: hidden;
  line-height: var(--line-height-base);
  font-variant-ligatures: none; /* Disattiva le legature a livello globale */
}

/* Container */
.chat-container {
  width: min(100%, 1000px);
  height: calc(100svh - 32px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background: rgba(17, 16, 27, 0.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transform-style: preserve-3d;
  transition: transform var(--transition-normal);
}

body.light .chat-container {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--border-color-light);
}

/* Header */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--brand-grad);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  width: 36px;
  height: 36px;
  display: block;
}

h1.title {
  font-weight: 800;
  letter-spacing: var(--letter-spacing-wide);
  font-size: var(--font-size-lg);
  position: relative;
  color: var(--text-inverse);
  margin: 0;
}

/* Gloss Effect */
h1.title.title--gloss::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.55) 15%, transparent 30%);
  background-size: 200% 100%;
  mix-blend-mode: screen;
  animation: gloss var(--title-shine-duration) linear infinite;
}

@keyframes gloss {
  from { background-position-x: 200%; }
  to { background-position-x: -200%; }
}

.head-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Utility Bar */
.utility-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  justify-content: flex-start;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary-light);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(4px);
}

body.light .utility-bar {
  background: var(--bg-secondary-light);
  border-color: var(--border-color-light);
}

/* Theme Toggle Switch */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(2px);
  color: var(--text-inverse);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

body.light .toggle {
  color: var(--text);
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.toggle:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.toggle .knob {
  position: relative;
  width: 32px;
  height: 18px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  transition: background-color var(--transition-normal);
}

.toggle.on .knob {
  background: var(--brand3);
}

.toggle .knob::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle.on .knob::after {
  transform: translateX(14px);
}

.toggle .sun,
.toggle .moon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity var(--transition-normal);
}

.toggle .sun {
  left: 2px;
  opacity: 1;
}

.toggle .moon {
  right: 2px;
  opacity: 0;
}

.toggle.on .sun {
  opacity: 0;
}

.toggle.on .moon {
  opacity: 1;
}

/* Action Buttons */
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform var(--transition-fast), filter var(--transition-normal), background var(--transition-normal);
  backdrop-filter: blur(2px);
}

body.light .action-btn {
  color: var(--text);
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.action-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.action-btn.brand {
  background: var(--brand-grad);
  border: 0;
  color: var(--text-inverse);
  box-shadow: var(--shadow-lg), inset 0 0 1px rgba(255, 255, 255, 0.6);
}

.action-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

body.light .action-btn.secondary {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

/* WOW: Ripple Effect */
.ripple{position:relative;overflow:hidden}
.ripple-ink{
  position:absolute;border-radius:50%;transform:scale(0);
  background:rgba(255,255,255,.35);animation:rip .45s ease-out forwards;
  pointer-events:none;
}
@keyframes rip{to{transform:scale(2.4);opacity:0}}

/* Tabs */
.guru-tabs{display:flex;background:#161521bb;padding:.5rem 1.5rem 0;gap:.5rem;flex-shrink:0;border-bottom:1px solid #2d2c40;backdrop-filter:blur(4px)}
body.light .guru-tabs{ background: rgba(248,250,252,0.8); border-color: #e2e8f0; }
.tab{border:none;background:transparent;color:var(--text-muted);font:inherit;font-weight:600;font-size:.95rem;padding:.75rem 1rem;cursor:pointer;border-bottom:3px solid transparent;transition:all .2s ease}
.tab:hover{color:var(--text-light)}
.tab.active{color:var(--brand3);border-bottom-color:var(--brand3)}

/* Messaggi */
.chat-messages{flex-grow:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}
.message{display:flex;gap:1rem;max-width:85%;align-items:flex-end;}
/* WOW: Animazione entrata messaggi */
.message{animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)}}
.message.user{align-self:flex-end;flex-direction:row-reverse}
.message .bubble{padding:1rem 1.25rem;border-radius:16px;line-height:1.6;color:#fff}
/* === Text formatting fixes (analysis doc) === */
.message .bubble .content { white-space: pre-wrap; overflow-wrap: anywhere; }
.message .bubble { overflow-wrap: anywhere; }

.message .bubble a{color:inherit;text-decoration:underline}

/* NUOVO: Colori Brand per i messaggi */
.message.user .bubble{
  background:var(--brand1);
  border-top-right-radius:6px;
  text-shadow:0 1px 0 rgba(0,0,0,.15);
  font-variant-ligatures: none; /* Aggiunta per correggere il rendering degli apostrofi */
}
.message.bot .bubble{
  background:var(--brand3);
  border-top-left-radius:6px;
  color:#06202a;
}
body.light .message.bot .bubble{ color:#032229; }
.message.bot .bubble strong{color:#002f36}

/* Code blocks */
.bubble pre{
  white-space:pre-wrap;background:#00000033;padding:1rem;border-radius:8px;
  font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  position:relative;color:#fff;
}
body.light .bubble pre{background:#0f172a; color:#e2e8f0}

/* WOW: Typing Indicator */
.typing-dots i{display:inline-block;width:8px;height:8px;margin:0 2px;border-radius:50%;background:currentColor;opacity:.5;animation:bounce 1.2s infinite}
.typing-dots i:nth-child(2){animation-delay:.2s}
.typing-dots i:nth-child(3){animation-delay:.4s}
@keyframes bounce{0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)}}

/* Footer / input */
.chat-footer{padding:1rem 1.5rem;background:#161521;border-top:1px solid #2d2c40;flex-shrink:0}
body.light .chat-footer{background:#f8fafc;border-top-color:#e2e8f0}
.input-wrapper{display:flex;align-items:flex-end;background:var(--bg-input);border-radius:12px;padding:.5rem;border:1px solid #2d2c40;transition:border-color .2s}
.input-wrapper:focus-within{border-color:var(--brand2)}
#user-input{flex-grow:1;border:none;outline:none;background:transparent;color:var(--text-light);font:inherit;font-size:1rem;padding:.5rem;resize:none;max-height:150px}

/* Input validation states */
#user-input:invalid{border-color:#ef4444}
#user-input:valid{border-color:#10b981}
.input-wrapper.error{border-color:#ef4444;box-shadow:0 0 0 2px rgba(239,68,68,0.2)}
.input-wrapper.success{border-color:#10b981;box-shadow:0 0 0 2px rgba(16,185,129,0.2)}

/* Error message styling */
.message.error .bubble{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.message.error .bubble strong{color:#991b1b}
body.light .message.error .bubble{background:#fef2f2;color:#dc2626}

/* Retry button styling */
.retry-btn{background:var(--brand1);color:white;border:none;border-radius:6px;padding:8px 16px;cursor:pointer;font-size:0.9rem;transition:background-color 0.2s ease}
.retry-btn:hover{background:var(--brand2)}
.retry-btn:active{transform:scale(0.98)}

/* Loading state for send button */
#send-btn.loading{opacity:0.6;pointer-events:none;cursor:not-allowed}
#send-btn:disabled{opacity:0.6;pointer-events:none;cursor:not-allowed}

/* Invia (brand + micro-animazione) */
#send-btn{
  border:none;border-radius:12px;width:44px;height:44px;display:grid;place-items:center;cursor:pointer;
  background:var(--brand-grad);
  box-shadow:0 10px 22px rgba(124,58,237,.45), inset 0 0 1px rgba(255,255,255,.6);
  transition:transform .12s ease, filter .2s ease;
  flex-shrink:0;color:#fff;
}
#send-btn:hover{filter:brightness(1.05)}
#send-btn:active{transform:scale(.98)}
#send-btn svg{width:24px;height:24px;color:#fff; transition: transform .35s ease, opacity .35s ease;}
/* WOW: Animazione invio */
#send-btn.sending svg{animation:plane .35s ease forwards}
@keyframes plane{
  0%{transform:translate(0,0) rotate(0deg);opacity:1}
  60%{transform:translate(10px,-8px) rotate(12deg);opacity:.9}
  100%{transform:translate(18px,-12px) rotate(18deg);opacity:0}
}
  /* Stili specifici per formattazione Markdown nei messaggi */
  .message .content {
    line-height: 1.6;
    word-wrap: break-word;
  }
  .message .content p {
    margin: 0 0 1rem 0;
  }
  .message .content ul, .message .content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
  }
  .message .content li {
    margin-bottom: 0.5rem;
  }
  .message .content h1, .message .content h2, .message .content h3 {
    margin: 1rem 0 0.5rem 0;
    font-weight: bold;
  }
  .message .content h1 { font-size: 1.5rem; }
  .message .content h2 { font-size: 1.3rem; }
  .message .content h3 { font-size: 1.1rem; }
  .message .content code {
    background: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
  }
  .message .content pre {
    background: #f4f4f4;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1rem 0;
  }
  .message .content pre code {
    background: none;
    padding: 0;
  }
  .message .content a {
    color: #007bff;
    text-decoration: none;
  }
  .message .content a:hover {
    text-decoration: underline;
  }
  .message .content strong {
    font-weight: bold;
  }
  .message .content em {
    font-style: italic;
  }
  .message .content br {
    display: block;
    margin: 0.5rem 0;
    content: "";
  }
/* Scrollbar */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(139, 92, 246, 0.4);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--brand2)}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--brand1);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top var(--transition-normal);
}

.skip-link:focus {
  top: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--brand1);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 6px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text: #000000;
    --text-light: #ffffff;
    --border-color: #000000;
    --bg-panel: #ffffff;
    --bg-input: #ffffff;
  }
  
  .message.user .bubble {
    background: #000000;
    color: #ffffff;
    border: 2px solid #000000;
  }
  
  .message.bot .bubble {
    background: #ffffff;
    color: #000000;
    border: 2px solid #000000;
  }
}

/* Focus indicators for keyboard navigation */
*:focus {
  outline: 2px solid var(--brand1);
  outline-offset: 2px;
}

button:focus, .tab:focus, #user-input:focus {
  outline: 2px solid var(--brand1);
  outline-offset: 2px;
}

/* Disabled State */
.action-btn.disabled {
  opacity: 0.55;
  pointer-events: none;
  filter: grayscale(20%);
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: var(--spacing-xs);
  }
  
  .chat-container {
    height: calc(100svh - 16px);
    border-radius: var(--radius-sm);
  }
  
  .chat-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  h1.title {
    font-size: 1.25rem;
  }
  
  .utility-bar {
    padding: var(--spacing-xs) var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .action-btn {
    padding: 8px 12px;
    font-size: var(--font-size-sm);
  }
  
  .toggle .label {
    display: none;
  }
  
  .guru-tabs {
    padding: var(--spacing-xs) var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .guru-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .tab {
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .chat-messages {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }
  
  .message {
    max-width: 95%;
  }
  
  .chat-footer {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .input-wrapper {
    padding: var(--spacing-xs);
  }
  
  #user-input {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  #send-btn {
    width: 40px;
    height: 40px;
  }
  
  #send-btn svg {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 480px) {
  .utility-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-xs);
  }
  
  .utility-bar > * {
    justify-content: center;
  }
  
  .head-actions .action-btn {
    padding: 6px 10px;
    font-size: 0.875rem;
  }
  
  .message {
    max-width: 100%;
  }
  
  .message .bubble {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --border-color-light: #000000;
  }
  
  .action-btn {
    border-width: 2px;
  }
  
  .toggle {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .chat-container {
    transform: none !important;
  }
  
  body {
    background-attachment: scroll;
  }
}

/* Print Styles */
@media print {
  body {
    background: #fff;
    overflow: visible;
    justify-content: flex-start;
  }
  
  .chat-container {
    height: auto;
    box-shadow: none;
    border: none;
    width: 100%;
  }
  
  .guru-tabs,
  .chat-footer,
  .utility-bar,
  .head-actions {
    display: none !important;
  }
  
  .chat-header {
    position: static;
    box-shadow: none;
  }
  
  .chat-messages {
    max-height: none;
    overflow: visible;
    padding: 0;
  }
  
  .message {
    max-width: 100%;
  }
  
  .message .bubble {
    background: #f8f9fa !important;
    color: #000 !important;
    border: 1px solid #dee2e6;
  }
}
/* ===== BLUEPRINT ARCHITETTURALE: NUOVE CLASSI CSS ===== */

/* Iconografia dinamica migliorata */
.message-source { 
  font-size: 0.75rem; 
  color: #666; 
  margin-top: 8px; 
  opacity: 0.9; 
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: rgba(0,0,0,0.05);
  border-radius: 12px;
  width: fit-content;
}

.message-timestamp {
  font-size: 0.7rem;
  color: #999;
  margin-top: 4px;
  text-align: right;
  font-style: italic;
}

.specialist-info {
  font-size: 0.7rem;
  color: #dc2626;
  margin-top: 6px;
  padding: 3px 6px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: 8px;
  width: fit-content;
  font-weight: 500;
}

/* Stili per diversi tipi di contenuto */
.message-source[data-type="RAG_DOCUMENT"] { 
  color: #2563eb; 
  background: rgba(37, 99, 235, 0.1);
}
.message-source[data-type="WEB_SEARCH_RESULT"] { 
  color: #059669; 
  background: rgba(5, 150, 105, 0.1);
}
.message-source[data-type="SPECIALIST_REFERRAL"] { 
  color: #dc2626; 
  background: rgba(220, 38, 38, 0.1);
}
.message-source[data-type="CORE_MESSAGE"] { 
  color: #7c3aed; 
  background: rgba(124, 58, 237, 0.1);
}
.message-source[data-type="MEMORY_INSIGHT"] { 
  color: #ea580c; 
  background: rgba(234, 88, 12, 0.1);
}

/* Animazioni per nuovi elementi */
.message-source, .message-timestamp, .specialist-info {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
      opacity: 0;
      transform: translateY(10px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}
.quick-chips{
  display:flex; flex-wrap:wrap; gap:.5rem; margin-top:.75rem;
}
.quick-chips .chip{
  appearance:none; border:0; padding:.45rem .7rem; border-radius:999px;
  font:500 0.9rem/1.1 "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:rgba(255,255,255,.15); color:#fff; cursor:pointer;
  transition:transform .12s ease, background .15s ease;
}
body.light .quick-chips .chip{ background:rgba(0,0,0,.08); color:#111; }
.quick-chips .chip:hover{ transform:translateY(-1px); }
.quick-chips .chip:active{ transform:translateY(0); }
/* === UX add-on: metadata wrapper sotto al messaggio === */
.message .metadata-wrapper{
  margin-top: .35rem;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .75rem;
  align-items: center;
  font-size: .82rem;
  line-height: 1.15;
  opacity: .85;
}

.message .metadata-wrapper .message-source{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .15rem .5rem;
  border-radius: 8px;
  background: rgba(255,255,255,.10);
  backdrop-filter: saturate(120%) blur(4px);
  -webkit-backdrop-filter: saturate(120%) blur(4px);
}

body.light .message .metadata-wrapper .message-source{
  background: rgba(0,0,0,.06);
}

/* === Effetto highlight tab “consigliata” (futuro multi-guru) === */
.tab.hint-glow{
  box-shadow: 0 0 0 0 rgba(124,58,237,.6);
  animation: hintPulse 1.6s ease-out 2;
}
@keyframes hintPulse {
  0%   { box-shadow: 0 0 0 0 rgba(124,58,237,.6); transform: translateZ(0); }
  60%  { box-shadow: 0 0 0 10px rgba(124,58,237,0); }
  100% { box-shadow: 0 0 0 0 rgba(124,58,237,0); }
}

/* === Messaggio di errore più leggibile === */
.message.bot.error .bubble{
  background: linear-gradient(0deg, rgba(220,38,38,.08), rgba(220,38,38,.08)), rgba(255,255,255,.1);
  border: 1px solid rgba(220,38,38,.35);
}
body.light .message.bot.error .bubble{
  background: rgba(255,0,0,.06);
  border-color: rgba(220,38,38,.45);
}
.message.bot.error .retry-btn{
  margin-left: .5rem;
}
/* === Icone animate per parole chiave === */
.icon-anim {
  display: inline-block;
  margin-left: 4px;
  animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
  0%   { transform: scale(1); opacity: 0.8; }
  50%  { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}
/* === Miglior leggibilità messaggi === */
.message .content p {
  margin: 0 0 1.2rem 0;  /* più spazio sotto ogni paragrafo */
  line-height: 1.7;      /* interlinea più ampia */
}

.message .content ul, 
.message .content ol {
  margin: 1rem 0;        /* spazio sopra e sotto l’elenco */
  padding-left: 1.6rem;  /* rientro per i bullet */
}

.message .content li {
  margin-bottom: 0.6rem; /* spazio tra i punti elenco */
}