/* School Chatbot Widget */
#scb-chatbot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#scb-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#scb-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

#scb-chat-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 40px);
    height: 500px;
    max-height: calc(100vh - 100px);
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#scb-chat-window.scb-hidden {
    display: none;
}

#scb-header {
    padding: 16px;
    color: white;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#scb-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    opacity: 0.8;
}

#scb-close:hover {
    opacity: 1;
}

/* Pulsante Accessibilità Header */
#scb-accessibility-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#scb-accessibility-toggle:hover {
    background: rgba(255,255,255,0.3);
}

#scb-accessibility-toggle svg {
    width: 18px;
    height: 18px;
}

/* Pannello Accessibilità */
#scb-accessibility-panel {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 12px 16px;
}

#scb-accessibility-panel.scb-hidden {
    display: none;
}

.scb-a11y-section {
    margin-bottom: 10px;
}

.scb-a11y-section:last-child {
    margin-bottom: 0;
}

.scb-a11y-section label {
    display: block;
    font-size: 12px;
    color: #64748b;
    margin-bottom: 6px;
    font-weight: 500;
}

.scb-a11y-buttons {
    display: flex;
    gap: 6px;
}

.scb-a11y-buttons button {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.scb-a11y-buttons button:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.scb-a11y-buttons button.active {
    background: var(--scb-primary, #2563eb);
    color: white;
    border-color: var(--scb-primary, #2563eb);
}

/* Font Sizes */
#scb-chat-window.scb-font-normal {
    font-size: 14px;
}

#scb-chat-window.scb-font-large {
    font-size: 16px;
}

#scb-chat-window.scb-font-large .scb-message {
    padding: 12px 16px;
}

#scb-chat-window.scb-font-large #scb-input {
    font-size: 16px;
    padding: 12px 16px;
}

#scb-chat-window.scb-font-xlarge {
    font-size: 18px;
}

#scb-chat-window.scb-font-xlarge .scb-message {
    padding: 14px 18px;
}

#scb-chat-window.scb-font-xlarge #scb-input {
    font-size: 18px;
    padding: 14px 18px;
}

/* Alto Contrasto */
#scb-chat-window.scb-contrast-high {
    background: white;
}

#scb-chat-window.scb-contrast-high #scb-messages {
    background: white;
}

#scb-chat-window.scb-contrast-high .scb-message-bot {
    background: #000;
    color: #fff;
    border: 2px solid #000;
}

#scb-chat-window.scb-contrast-high .scb-message-bot a {
    color: #ffff00;
}

#scb-chat-window.scb-contrast-high .scb-message-user {
    background: #fff;
    color: #000;
    border: 2px solid #000;
}

#scb-chat-window.scb-contrast-high #scb-input {
    border: 2px solid #000;
    background: #fff;
    color: #000;
}

#scb-chat-window.scb-contrast-high #scb-accessibility-panel {
    background: #fff;
    border-color: #000;
}

#scb-chat-window.scb-contrast-high .scb-a11y-buttons button {
    border: 2px solid #000;
}

#scb-chat-window.scb-contrast-high .scb-suggestion-btn {
    border: 2px solid #000;
    background: #fff;
    color: #000;
}

/* Tema Scuro */
#scb-chat-window.scb-contrast-dark {
    background: #1e1e1e;
}

#scb-chat-window.scb-contrast-dark #scb-messages {
    background: #1e1e1e;
}

#scb-chat-window.scb-contrast-dark .scb-message-bot {
    background: #2d2d2d;
    color: #e0e0e0;
}

#scb-chat-window.scb-contrast-dark .scb-message-bot a {
    color: #64b5f6;
}

#scb-chat-window.scb-contrast-dark .scb-message-bot.scb-primary {
    background: var(--scb-primary, #2563eb);
    color: #fff;
}

#scb-chat-window.scb-contrast-dark .scb-message-user {
    background: #3d3d3d;
    color: #e0e0e0;
}

#scb-chat-window.scb-contrast-dark #scb-input-form {
    background: #1e1e1e;
    border-color: #3d3d3d;
}

#scb-chat-window.scb-contrast-dark #scb-input {
    background: #2d2d2d;
    color: #e0e0e0;
    border-color: #3d3d3d;
}

#scb-chat-window.scb-contrast-dark #scb-input::placeholder {
    color: #888;
}

#scb-chat-window.scb-contrast-dark #scb-accessibility-panel {
    background: #2d2d2d;
    border-color: #3d3d3d;
}

#scb-chat-window.scb-contrast-dark .scb-a11y-section label {
    color: #aaa;
}

#scb-chat-window.scb-contrast-dark .scb-a11y-buttons button {
    background: #3d3d3d;
    color: #e0e0e0;
    border-color: #4d4d4d;
}

#scb-chat-window.scb-contrast-dark .scb-a11y-buttons button:hover {
    background: #4d4d4d;
}

#scb-chat-window.scb-contrast-dark .scb-suggestion-btn {
    background: #2d2d2d;
    color: #e0e0e0;
    border-color: #3d3d3d;
}

#scb-chat-window.scb-contrast-dark .scb-message-actions {
    border-color: #3d3d3d;
}

#scb-chat-window.scb-contrast-dark .scb-tts-btn,
#scb-chat-window.scb-contrast-dark .scb-feedback-btn {
    border-color: #4d4d4d;
}

#scb-chat-window.scb-contrast-dark .scb-typing span {
    background: #666;
}

#scb-chat-window.scb-contrast-dark #scb-voice-btn {
    background: #3d3d3d;
    border-color: #4d4d4d;
    color: #e0e0e0;
}

#scb-chat-window.scb-contrast-dark #scb-voice-btn:hover {
    background: #4d4d4d;
}

#scb-chat-window.scb-contrast-dark #scb-voice-btn.scb-listening {
    background: #5c2020;
    border-color: #ef4444;
    color: #ef4444;
}

#scb-chat-window.scb-contrast-high #scb-voice-btn {
    background: #fff;
    border: 2px solid #000;
    color: #000;
}

#scb-chat-window.scb-contrast-high #scb-voice-btn.scb-listening {
    background: #fff;
    border-color: #ef4444;
    color: #ef4444;
}

#scb-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scb-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    line-height: 1.4;
    font-size: 14px;
    word-wrap: break-word;
}

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

.scb-message-user {
    align-self: flex-end;
    background: #e5e7eb;
    color: #1f2937;
    border-bottom-right-radius: 4px;
}

.scb-message-bot {
    align-self: flex-start;
    background: #f3f4f6;
    color: #374151;
    border-bottom-left-radius: 4px;
}

.scb-message-bot.scb-primary {
    background: var(--scb-primary, #2563eb);
    color: white;
}

/* Typing indicator */
.scb-typing {
    display: flex;
    gap: 4px;
    padding: 12px 14px;
}

.scb-typing span {
    width: 8px;
    height: 8px;
    background: #9ca3af;
    border-radius: 50%;
    animation: scb-bounce 1.4s infinite ease-in-out;
}

.scb-typing span:nth-child(1) { animation-delay: -0.32s; }
.scb-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes scb-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input form */
#scb-input-form {
    display: flex;
    padding: 12px;
    border-top: 1px solid #e5e7eb;
    gap: 8px;
    align-items: center;
}

/* Voice Input Button */
#scb-voice-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #d1d5db;
    background: #f9fafb;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

#scb-voice-btn:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
    color: #374151;
}

#scb-voice-btn.scb-listening {
    background: #fef2f2;
    border-color: #ef4444;
    color: #ef4444;
    animation: scb-pulse-mic 1s infinite;
}

@keyframes scb-pulse-mic {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
}

#scb-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

#scb-input:focus {
    border-color: #9ca3af;
}

#scb-input-form button[type="submit"] {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

#scb-input-form button[type="submit"]:hover {
    opacity: 0.9;
}

#scb-input-form button[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Suggested questions */
#scb-suggestions,
.scb-suggestions-container,
.scb-inline-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 16px 12px;
}

.scb-suggestion-btn {
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 6px 12px;
    font-size: 13px;
    color: #374151;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.scb-suggestion-btn:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
}

/* Feedback buttons */
.scb-message-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e5e7eb;
}

.scb-tts-btn {
    background: none;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s, background 0.2s, transform 0.1s;
}

.scb-tts-btn:hover {
    opacity: 1;
    background: #f0f9ff;
    border-color: #3b82f6;
}

.scb-tts-btn[data-playing="true"] {
    opacity: 1;
    background: #dbeafe;
    border-color: #3b82f6;
    animation: scb-pulse 1s infinite;
}

@keyframes scb-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.scb-feedback {
    display: flex;
    gap: 4px;
}

.scb-feedback-btn {
    background: none;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s, background 0.2s;
}

.scb-feedback-btn:hover {
    opacity: 1;
    background: #f9fafb;
}

.scb-feedback-btn:disabled {
    cursor: default;
}

.scb-feedback-btn.scb-feedback-selected {
    opacity: 1;
    background: #e5e7eb;
}

/* Inline chatbot (shortcode) */
.scb-inline-chatbot {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.scb-inline-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scb-inline-chatbot .scb-message {
    max-width: 85%;
}

.scb-inline-chatbot .scb-message-user {
    align-self: flex-end;
}

.scb-inline-chatbot .scb-message-bot {
    align-self: flex-start;
}

.scb-inline-form input:focus {
    border-color: var(--scb-primary, #2563eb);
    outline: none;
}

/* Mobile */
@media (max-width: 480px) {
    #scb-chat-window {
        width: calc(100vw - 20px);
        height: calc(100vh - 100px);
        bottom: 70px;
        right: -10px;
    }
    
    .scb-suggestion-btn {
        font-size: 12px;
        padding: 5px 10px;
    }
}

/* ============================================================
   INFORMATIVA IA (AI Act art. 50)
   Elemento obbligatorio: non nascondere via CSS.
   ============================================================ */

.scb-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.scb-ai-badge {
    display: inline-block;
    flex-shrink: 0;
    padding: 2px 7px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.5;
    text-transform: uppercase;
    vertical-align: middle;
}

.scb-ai-notice {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    color: #475569;
    font-size: 12px;
    line-height: 1.45;
}

.scb-ai-notice-icon {
    flex-shrink: 0;
    line-height: 1.45;
}

/* Alto contrasto */
#scb-chat-window.scb-contrast-high .scb-ai-notice {
    background: #fff;
    border-bottom: 2px solid #000;
    color: #000;
    font-weight: 600;
}

#scb-chat-window.scb-contrast-high .scb-ai-badge {
    background: #000;
    border-color: #fff;
    color: #fff;
}

/* Tema scuro */
#scb-chat-window.scb-contrast-dark .scb-ai-notice {
    background: #1f2937;
    border-bottom: 1px solid #374151;
    color: #d1d5db;
}

/* La dimensione del testo dell'informativa segue le preferenze utente */
#scb-chat-window.scb-font-large .scb-ai-notice {
    font-size: 14px;
}

#scb-chat-window.scb-font-xlarge .scb-ai-notice {
    font-size: 16px;
}

/* ============================================================
   INFORMATIVA AL PRIMO USO (L. 132/2025 — soglia 14 anni)
   Visibile di default: viene rimossa dal JS solo dopo la
   presa d'atto. Non nasconderla via CSS.
   ============================================================ */

.scb-age-gate {
    position: absolute;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.97);
    overflow-y: auto;
}

.scb-age-gate-inner {
    max-width: 320px;
    color: #334155;
    font-size: 13px;
    line-height: 1.5;
}

.scb-age-gate-title {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 15px;
    font-weight: 700;
}

.scb-age-gate-inner p {
    margin: 0 0 10px;
}

.scb-age-gate-inner a {
    color: var(--scb-primary, #2563eb);
}

.scb-age-gate-accept {
    margin-top: 4px;
    padding: 10px 18px;
    border: none;
    border-radius: 20px;
    background: var(--scb-primary, #2563eb);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.scb-age-gate-accept:hover {
    filter: brightness(0.93);
}

.scb-age-gate-accept:focus-visible {
    outline: 3px solid #0f172a;
    outline-offset: 2px;
}

/* I contenitori devono poter ancorare l'overlay */
#scb-chat-window,
.scb-inline-chatbot {
    position: relative;
}

/* Alto contrasto */
#scb-chat-window.scb-contrast-high .scb-age-gate {
    background: #fff;
}

#scb-chat-window.scb-contrast-high .scb-age-gate-inner,
#scb-chat-window.scb-contrast-high .scb-age-gate-title {
    color: #000;
    font-weight: 600;
}

#scb-chat-window.scb-contrast-high .scb-age-gate-accept {
    background: #000;
    border: 2px solid #000;
}

/* Tema scuro */
#scb-chat-window.scb-contrast-dark .scb-age-gate {
    background: rgba(17, 24, 39, 0.97);
}

#scb-chat-window.scb-contrast-dark .scb-age-gate-inner {
    color: #d1d5db;
}

#scb-chat-window.scb-contrast-dark .scb-age-gate-title {
    color: #f9fafb;
}

/* Dimensioni testo */
#scb-chat-window.scb-font-large .scb-age-gate-inner {
    font-size: 15px;
}

#scb-chat-window.scb-font-xlarge .scb-age-gate-inner {
    font-size: 17px;
}