/* =========================================
   Vicky Chatbot — Stylesheet
   ========================================= */

:root {
    --vicky-primary:    #4A7C7E;
    --vicky-primary-dk: #3a6264;
    --vicky-light:      #f0f4f4;
    --vicky-white:      #ffffff;
    --vicky-gray:       #e8eef0;
    --vicky-text:       #2c3e3f;
    --vicky-muted:      #7a9396;
    --vicky-bot-bg:     #eef4f4;
    --vicky-user-bg:    #4A7C7E;
    --vicky-user-text:  #ffffff;
    --vicky-radius:     16px;
    --vicky-shadow:     0 4px 24px rgba(74,124,126,0.13);
}

#vicky-chatbot {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 720px;
    height: 600px;
    margin: 40px auto;
    border-radius: var(--vicky-radius);
    box-shadow: var(--vicky-shadow);
    overflow: hidden;
    font-family: 'Lexend', 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 18px;
    background: var(--vicky-white);
    border: 1px solid #d6e4e5;
}

/* --- Header --- */
#vicky-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--vicky-primary);
    color: var(--vicky-white);
    flex-shrink: 0;
}

#vicky-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
}

#vicky-avatar img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 0;
    background: none;
}

#vicky-header-info strong {
    display: block;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.01em;
    font-family: 'Lexend', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

#vicky-status {
    font-size: 16px;
    font-weight: 400;
    opacity: 1;
    letter-spacing: 0.01em;
    font-family: 'Lexend', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* --- Messages area --- */
#vicky-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 16px;
    background: #f7fafa;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

#vicky-messages::-webkit-scrollbar {
    width: 5px;
}
#vicky-messages::-webkit-scrollbar-thumb {
    background: #c5d8d9;
    border-radius: 10px;
}

/* --- Message bubbles --- */
.vicky-msg {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    gap: 4px;
}

.vicky-msg--bot {
    align-self: flex-start;
    align-items: flex-start;
}

.vicky-msg--user {
    align-self: flex-end;
    align-items: flex-end;
}

.vicky-bubble {
    padding: 12px 16px;
    border-radius: var(--vicky-radius);
    line-height: 1.55;
    word-break: break-word;
}

.vicky-msg--bot .vicky-bubble {
    background: var(--vicky-bot-bg);
    color: var(--vicky-text);
    border-bottom-left-radius: 4px;
    border: 1px solid #d6e8e8;
}

.vicky-msg--user .vicky-bubble {
    background: var(--vicky-user-bg);
    color: var(--vicky-user-text);
    border-bottom-right-radius: 4px;
}

.vicky-time {
    font-size: 11px;
    color: var(--vicky-muted);
    padding: 0 4px;
}

/* --- Typing indicator --- */
#vicky-typing {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 20px;
    background: #f7fafa;
}

#vicky-typing span {
    width: 8px;
    height: 8px;
    background: var(--vicky-primary);
    border-radius: 50%;
    opacity: 0.4;
    animation: vicky-bounce 1.2s infinite ease-in-out;
}
#vicky-typing span:nth-child(2) { animation-delay: 0.2s; }
#vicky-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes vicky-bounce {
    0%, 80%, 100% { transform: scale(1);   opacity: 0.4; }
    40%            { transform: scale(1.4); opacity: 1;   }
}

/* --- Input area --- */
#vicky-input-area {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 14px 16px;
    background: var(--vicky-white);
    border-top: 1px solid var(--vicky-gray);
    flex-shrink: 0;
}

#vicky-input {
    flex: 1;
    resize: none;
    border: 1px solid #c8dede;
    border-radius: 22px;
    padding: 10px 16px;
    font-size: 18px;
    font-family: 'Lexend', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--vicky-text);
    background: var(--vicky-light);
    outline: none;
    line-height: 1.5;
    max-height: 120px;
    overflow-y: auto;
    transition: border-color 0.2s;
}

#vicky-input:focus {
    border-color: var(--vicky-primary);
    background: var(--vicky-white);
}

#vicky-input::placeholder {
    color: var(--vicky-muted);
}

#vicky-send {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 22px;
    background: var(--vicky-primary);
    color: var(--vicky-white);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Lexend', 'Segoe UI', system-ui, -apple-system, sans-serif;
    flex-shrink: 0;
    white-space: nowrap;
    transition: background 0.2s, transform 0.1s;
}

#vicky-send span {
    line-height: 1;
}

#vicky-send:hover {
    background: var(--vicky-primary-dk);
}
#vicky-send:active {
    transform: scale(0.97);
}
#vicky-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- Error message --- */
.vicky-msg--error .vicky-bubble {
    background: #fdecea;
    color: #b71c1c;
    border-color: #f5c6c6;
}

/* --- Link episodio --- */
.vicky-episode-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--vicky-primary);
    font-size: inherit;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--vicky-primary);
}
.vicky-episode-link:hover {
    color: var(--vicky-primary-dk);
    border-bottom-color: var(--vicky-primary-dk);
}

/* --- Responsive --- */
@media (max-width: 600px) {
    #vicky-chatbot {
        height: calc(100vh - 120px);
        margin: 0;
        border-radius: 0;
        border: none;
    }
    .vicky-msg {
        max-width: 90%;
    }
}

/* --- Scelta episodio (multi-risultato) --- */
.vicky-episode-domanda {
    margin: 10px 0 6px;
    font-size: 0.92em;
    font-weight: 600;
    color: var(--vicky-primary-dk);
}

.vicky-episode-btns {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.vicky-episode-btn {
    display: inline-block;
    padding: 7px 14px;
    background: var(--vicky-primary);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.88em;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    text-decoration: none;
    transition: background 0.18s ease;
}

.vicky-episode-btn:hover {
    background: var(--vicky-primary-dk);
}