/**
 * AI Assistant - Public Styles
 */

/* CSS Variables */
.ai-assistant-widget {
    --ai-primary-color: #0073aa;
    --ai-primary-hover: #005a87;
    --ai-chat-width: 380px;
    --ai-chat-height: 500px;
    --ai-border-radius: 16px;
    --ai-shadow: 0 5px 40px rgba(0, 0, 0, 0.16);
    --ai-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    
    font-family: var(--ai-font-family);
    font-size: 14px;
    line-height: 1.5;
    box-sizing: border-box;
}

.ai-assistant-widget *,
.ai-assistant-widget *::before,
.ai-assistant-widget *::after {
    box-sizing: border-box;
}

/* Floating Widget Positioning */
.ai-assistant-floating {
    position: fixed;
    z-index: 999999;
}

.ai-assistant-bottom-right {
    bottom: var(--ai-chat-margin, 20px);
    right: var(--ai-chat-margin, 20px);
}

.ai-assistant-bottom-left {
    bottom: var(--ai-chat-margin, 20px);
    left: var(--ai-chat-margin, 20px);
}

.ai-assistant-top-right {
    top: var(--ai-chat-margin, 20px);
    right: var(--ai-chat-margin, 20px);
}

.ai-assistant-top-left {
    top: var(--ai-chat-margin, 20px);
    left: var(--ai-chat-margin, 20px);
}

/* Embedded Widget */
.ai-assistant-embedded {
    width: 100%;
    max-width: var(--ai-chat-width);
}

.ai-assistant-embedded .ai-assistant-chat {
    position: relative;
    border-radius: var(--ai-border-radius);
    box-shadow: var(--ai-shadow);
}

/* Toggle Button */
.ai-assistant-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--ai-primary-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ai-shadow);
    transition: transform 0.3s ease, background 0.3s ease;
    padding: 0;
}

.ai-assistant-toggle:hover {
    background: var(--ai-primary-hover);
    transform: scale(1.05);
}

.ai-assistant-toggle svg {
    width: 28px;
    height: 28px;
    color: #fff;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.ai-assistant-toggle .icon-close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
}

.ai-assistant-widget.is-open .ai-assistant-toggle .icon-chat {
    opacity: 0;
    transform: rotate(90deg);
}

.ai-assistant-widget.is-open .ai-assistant-toggle .icon-close {
    opacity: 1;
    transform: rotate(0);
}

/* Chat Container */
.ai-assistant-chat {
    position: absolute;
    width: var(--ai-chat-width);
    height: var(--ai-chat-height);
    background: #fff;
    border-radius: var(--ai-border-radius);
    box-shadow: var(--ai-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.ai-assistant-floating .ai-assistant-chat {
    bottom: 80px;
}

.ai-assistant-bottom-right .ai-assistant-chat {
    right: 0;
}

.ai-assistant-bottom-left .ai-assistant-chat {
    left: 0;
}

.ai-assistant-top-right .ai-assistant-chat {
    top: 80px;
    right: 0;
    bottom: auto;
}

.ai-assistant-top-left .ai-assistant-chat {
    top: 80px;
    left: 0;
    bottom: auto;
}

.ai-assistant-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.ai-assistant-widget.is-open .ai-assistant-hidden {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Header */
.ai-assistant-header {
    background: var(--ai-primary-color);
    color: #fff;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.ai-assistant-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-assistant-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-assistant-avatar svg {
    width: 24px;
    height: 24px;
}

.ai-assistant-header-text {
    display: flex;
    flex-direction: column;
}

.ai-assistant-title {
    font-weight: 600;
    font-size: 16px;
}

.ai-assistant-status {
    font-size: 12px;
    opacity: 0.8;
}

.ai-assistant-close {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
    padding: 0;
}

.ai-assistant-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ai-assistant-close svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

/* Messages Container */
.ai-assistant-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8f9fa;
}

/* Message Bubbles */
.ai-assistant-message {
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-assistant-message.user {
    align-self: flex-end;
}

.ai-assistant-message.assistant {
    align-self: flex-start;
}

.ai-assistant-message-content {
    padding: 12px 16px;
    border-radius: 18px;
    word-break: break-word;
    white-space: pre-wrap;
}

.ai-assistant-message.user .ai-assistant-message-content {
    background: var(--ai-primary-color);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.ai-assistant-message.assistant .ai-assistant-message-content {
    background: #fff;
    color: #333;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.ai-assistant-message-time {
    font-size: 11px;
    color: #999;
    margin-top: 4px;
    padding: 0 4px;
}

.ai-assistant-message.user .ai-assistant-message-time {
    text-align: right;
}

/* Suggestions */
.ai-assistant-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 16px;
    justify-content: center;
}

.ai-assistant-suggestion {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 8px 14px;
    border-radius: 18px;
    font-size: 13px;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-assistant-suggestion:hover {
    background: var(--ai-primary-color);
    color: #fff;
    border-color: var(--ai-primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Typing Indicator */
.ai-assistant-typing {
    padding: 0 16px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #ccc;
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.typing-text {
    font-size: 12px;
    color: #999;
}

/* Input Container */
.ai-assistant-input-container {
    padding: 12px 16px 8px;
    background: #fff;
    border-top: 1px solid #eee;
    flex-shrink: 0;
}

.ai-assistant-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.ai-assistant-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 24px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ai-assistant-input:focus {
    border-color: var(--ai-primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

.ai-assistant-input::placeholder {
    color: #999;
}

.ai-assistant-send {
    width: 44px;
    height: 44px;
    background: var(--ai-primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    padding: 0;
    flex-shrink: 0;
}

.ai-assistant-send:hover {
    background: var(--ai-primary-hover);
    transform: scale(1.05);
}

.ai-assistant-send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.ai-assistant-send svg {
    width: 20px;
    height: 20px;
    color: #fff;
}

.ai-assistant-powered {
    font-size: 10px;
    color: #bbb;
}

/* Footer con pulsante Azzera */
.ai-assistant-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
    gap: 8px;
}

.ai-assistant-clear,
.ai-assistant-download {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: #999;
    font-size: 11px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.ai-assistant-clear:hover,
.ai-assistant-download:hover {
    background: #f5f5f5;
    color: #666;
}

.ai-assistant-clear svg,
.ai-assistant-download svg {
    flex-shrink: 0;
}

/* Privacy Notice */
.ai-assistant-privacy-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px 20px;
    height: 100%;
    background: #fff;
}

.ai-assistant-privacy-notice .privacy-icon {
    width: 60px;
    height: 60px;
    background: var(--ai-primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.ai-assistant-privacy-notice .privacy-icon svg {
    color: #fff;
}

.ai-assistant-privacy-notice .privacy-text {
    font-size: 13px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 25px;
    max-width: 300px;
}

.ai-assistant-privacy-notice .privacy-text a {
    color: var(--ai-primary-color);
    text-decoration: underline;
}

.ai-assistant-privacy-notice .privacy-text a:hover {
    text-decoration: none;
}

.ai-assistant-privacy-accept {
    background: var(--ai-primary-color);
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-assistant-privacy-accept:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Error Message */
.ai-assistant-message.error .ai-assistant-message-content {
    background: #fee;
    color: #c00;
    border: 1px solid #fcc;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .ai-assistant-floating .ai-assistant-chat {
        width: calc(100vw - 40px);
        height: calc(100vh - 140px);
        max-height: 600px;
    }
    
    .ai-assistant-bottom-right,
    .ai-assistant-bottom-left {
        right: 10px;
        left: 10px;
        bottom: 10px;
    }
    
    .ai-assistant-bottom-right .ai-assistant-chat,
    .ai-assistant-bottom-left .ai-assistant-chat {
        right: 0;
        left: 0;
    }
    
    .ai-assistant-toggle {
        width: 56px;
        height: 56px;
    }
}

/* Scrollbar Styling */
.ai-assistant-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-assistant-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ai-assistant-messages::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

.ai-assistant-messages::-webkit-scrollbar-thumb:hover {
    background: #ccc;
}

/* Links in messages */
.ai-assistant-message-content a {
    color: inherit;
    text-decoration: underline;
}

.ai-assistant-message.user .ai-assistant-message-content a {
    color: #fff;
}

/* Continue Button - Risposta Troncata */
.ai-assistant-continue-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--ai-primary-color), var(--ai-primary-hover));
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.3);
}

.ai-assistant-continue-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 115, 170, 0.4);
}

.ai-assistant-continue-btn:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.ai-assistant-continue-btn::before {
    content: '→';
    font-size: 14px;
}

.ai-assistant-continue-btn:disabled::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: continueSpin 0.8s linear infinite;
}

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

/* Messaggio troncato - indicatore visivo */
.ai-assistant-message.truncated .ai-assistant-message-content {
    border-bottom-left-radius: 4px;
    position: relative;
}

.ai-assistant-message.truncated .ai-assistant-message-content::after {
    content: '...';
    color: #999;
    font-weight: bold;
}