/* ============================================================
   Searcus — Chat Terminal styles (plug-and-play, removable)
   Estende .terminal-window esistente. Namespace .chat-*
   e .terminal-static-line per nuove righe senza typewriter CSS.
   ============================================================ */

/* Nuove righe terminale (senza animation: typing) */
.terminal-static-line {
    font-family: inherit;
    font-size: inherit;
    line-height: 1.55;
    color: var(--text-chalk);
    white-space: pre-wrap;
    word-break: break-word;
    margin-top: 2px;
}

/* Body terminale scrollable una volta attivata la chat */
.terminal-scrollable {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-wire) transparent;
    scroll-behavior: smooth;
}
.terminal-scrollable::-webkit-scrollbar {
    width: 6px;
}
.terminal-scrollable::-webkit-scrollbar-track {
    background: transparent;
}
.terminal-scrollable::-webkit-scrollbar-thumb {
    background: var(--border-wire);
    border-radius: 3px;
}
.terminal-scrollable::-webkit-scrollbar-thumb:hover {
    background: var(--text-mist);
}

/* Welcome message */
.chat-welcome {
    color: var(--accent-signal);
    margin-top: 10px;
}
.chat-welcome > span:last-child {
    color: var(--accent-flare);
}

/* Messaggio utente (echo del comando) */
.chat-msg-user {
    margin-top: 10px;
}

/* Messaggio bot */
.chat-msg-bot {
    color: var(--text-chalk);
}
.chat-msg-bot strong {
    color: var(--accent-flare);
    font-weight: 600;
}
.chat-msg-bot code {
    background: var(--bg-slate);
    color: var(--accent-cyan);
    padding: 0 5px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 0.95em;
}

/* Reply bot con markdown renderizzato da marked.js: il contenuto è un blocco
   inline-block che contiene <p>, <ul>, <li>, <a>, <strong>, <code>. */
.chat-msg-bot-md {
    display: flex;
    gap: 0;
    align-items: flex-start;
}
.chat-bot-prompt {
    flex-shrink: 0;
    line-height: 1.55;
    margin-right: 0.5em;
}
.chat-bot-content {
    flex: 1;
    min-width: 0;
    display: block;
}
.chat-bot-content > *:first-child { margin-top: 0; }
.chat-bot-content > *:last-child  { margin-bottom: 0; }
.chat-bot-content p {
    margin: 0 0 0.6em 0;
    line-height: 1.55;
}
.chat-bot-content p:last-child { margin-bottom: 0; }
.chat-bot-content ul,
.chat-bot-content ol {
    margin: 0.3em 0 0.6em 0;
    padding-left: 1.4em;
}
.chat-bot-content li {
    margin: 0.15em 0;
    line-height: 1.5;
}
.chat-bot-content li::marker {
    color: var(--text-mist);
}
.chat-bot-content h1,
.chat-bot-content h2,
.chat-bot-content h3,
.chat-bot-content h4 {
    margin: 0.5em 0 0.3em 0;
    color: var(--accent-flare);
    font-weight: 600;
    font-size: 1em;
}
.chat-bot-content a {
    color: var(--accent-cyan);
    text-decoration: underline dotted;
    text-underline-offset: 3px;
    word-break: break-word;
}
.chat-bot-content a:hover {
    color: var(--accent-flare);
    text-decoration-style: solid;
}
.chat-bot-content strong {
    color: var(--accent-flare);
    font-weight: 600;
}
.chat-bot-content em {
    color: var(--text-chalk);
    font-style: italic;
}
.chat-bot-content code {
    background: var(--bg-slate);
    color: var(--accent-cyan);
    padding: 0 5px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 0.95em;
}
.chat-bot-content pre {
    background: var(--bg-slate);
    border: 1px solid var(--border-wire);
    border-radius: 6px;
    padding: 8px 10px;
    margin: 0.5em 0;
    overflow-x: auto;
}
.chat-bot-content pre code {
    background: transparent;
    padding: 0;
    color: var(--text-chalk);
}
.chat-bot-content blockquote {
    border-left: 2px solid var(--border-wire);
    padding-left: 10px;
    margin: 0.4em 0;
    color: var(--text-mist);
}

/* Errori */
.chat-msg-error {
    margin-top: 4px;
}

/* ─── Thinking indicator ─── */
.chat-thinking {
    color: var(--text-mist);
    white-space: nowrap;
}
.chat-thinking > span:last-child {
    white-space: nowrap;
}
.chat-thinking > span:last-child::after {
    content: '';
    display: inline-block;
    width: 1.6em;
    min-width: 1.6em;
    text-align: left;
    white-space: nowrap;
    animation: chat-dots 1.2s steps(4, end) infinite;
}

@keyframes chat-dots {
    0%   { content: ''; }
    25%  { content: '.'; }
    50%  { content: '..'; }
    75%  { content: '...'; }
    100% { content: ''; }
}

/* Fallback per browser senza @keyframes content (rari): mostra statico */
@supports not (animation-name: chat-dots) {
    .chat-thinking > span:last-child::after {
        content: '...';
        animation: none;
    }
}

/* ─── Source links ─── */
.chat-sources-header {
    color: var(--text-mist);
    margin-top: 10px;
    font-size: 0.92em;
}

.chat-source-line {
    font-size: 0.92em;
    padding-left: 2px;
}

.chat-source-link {
    color: var(--accent-cyan);
    text-decoration: underline dotted;
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}
.chat-source-link:hover {
    color: var(--accent-flare);
    text-decoration-style: solid;
}

/* ─── Input row ─── */
.chat-input-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 8px;
    cursor: text;
}

.chat-input-prompt {
    flex-shrink: 0;
}

.chat-input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 0;
    outline: 0;
    padding: 0;
    margin: 0;
    color: var(--text-chalk);
    font: inherit;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    caret-color: var(--accent-signal);
}

.chat-input::placeholder {
    color: var(--text-mist);
    opacity: 0.55;
    font-style: italic;
}

.chat-input:focus {
    outline: none;
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    .chat-thinking > span:last-child::after {
        animation: none;
        content: '...';
    }
    .terminal-scrollable {
        scroll-behavior: auto;
    }
}