/* ==========================================================================
   MyDesk Q&A AI Agent – widget styles
   Matches the MyDesk brand: navy header, clean white body, blue accents.
   ========================================================================== */

.mdqa-agent {
    --agent-navy:        #1a3a5c;
    --agent-navy-dark:   #122840;
    --agent-blue:        #2563eb;
    --agent-blue-light:  #eff6ff;
    --agent-green:       #22c55e;
    --agent-border:      #e5e7eb;
    --agent-bg:          #ffffff;
    --agent-text:        #111827;
    --agent-text-muted:  #6b7280;
    --agent-radius:      12px;
    --agent-shadow:      0 8px 32px rgba(0,0,0,.12);
    --agent-font:        'Segoe UI', system-ui, -apple-system, sans-serif;

    font-family: var(--agent-font);
    width: 100%;
    max-width: 480px;
    border-radius: var(--agent-radius);
    box-shadow: var(--agent-shadow);
    overflow: hidden;
    background: var(--agent-bg);
    border: 1px solid var(--agent-border);
    display: flex;
    flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────────────────────── */

.mdqa-agent__header {
    background: var(--agent-navy);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: .875rem;
}

.mdqa-agent__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.mdqa-agent__header-info {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.mdqa-agent__name {
    color: #fff;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.2;
}

.mdqa-agent__status {
    color: rgba(255,255,255,.75);
    font-size: .75rem;
    display: flex;
    align-items: center;
    gap: .35rem;
}

.mdqa-agent__status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--agent-green);
    display: inline-block;
    box-shadow: 0 0 0 2px rgba(34,197,94,.25);
}

/* ── Messages ───────────────────────────────────────────────────────────── */

.mdqa-agent__messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    gap: .875rem;
    min-height: 160px;
    max-height: 340px;
    scroll-behavior: smooth;
}

.mdqa-agent__msg {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    animation: mdqa-fadein .2s ease;
}

@keyframes mdqa-fadein {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Bot messages – avatar on left */
.mdqa-agent__msg--bot {
    flex-direction: row;
}

/* User messages – bubble on right, no avatar */
.mdqa-agent__msg--user {
    flex-direction: row-reverse;
}

.mdqa-agent__msg-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--agent-navy);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.mdqa-agent__msg-bubble {
    padding: .65rem .875rem;
    border-radius: 14px;
    font-size: .9rem;
    line-height: 1.55;
    max-width: 85%;
}

.mdqa-agent__msg--bot .mdqa-agent__msg-bubble {
    background: var(--agent-blue-light);
    color: var(--agent-text);
    border-top-left-radius: 4px;
}

.mdqa-agent__msg--user .mdqa-agent__msg-bubble {
    background: var(--agent-blue);
    color: #fff;
    border-top-right-radius: 4px;
}

/* Sources */
.mdqa-agent__sources {
    margin-top: .5rem;
    padding-top: .4rem;
    border-top: 1px solid rgba(0,0,0,.08);
    font-size: .78rem;
    color: var(--agent-text-muted);
}

.mdqa-agent__sources-label {
    font-weight: 600;
}

.mdqa-agent__sources a {
    color: var(--agent-blue);
    text-decoration: none;
}
.mdqa-agent__sources a:hover { text-decoration: underline; }

/* Thinking dots */
.mdqa-agent__dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.mdqa-agent__dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--agent-navy);
    opacity: .4;
    animation: mdqa-dot .9s ease-in-out infinite;
}
.mdqa-agent__dots span:nth-child(2) { animation-delay: .15s; }
.mdqa-agent__dots span:nth-child(3) { animation-delay: .3s; }

@keyframes mdqa-dot {
    0%, 80%, 100% { opacity: .2; transform: scale(.8); }
    40%            { opacity: 1;  transform: scale(1); }
}

/* ── Suggested questions ────────────────────────────────────────────────── */

.mdqa-agent__suggestions {
    padding: .5rem 1rem .75rem;
    display: flex;
    flex-direction: column;
    gap: .45rem;
    border-top: 1px solid var(--agent-border);
}

.mdqa-agent__suggestions-label {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--agent-text-muted);
    text-transform: uppercase;
    margin-bottom: .1rem;
}

.mdqa-agent__suggestion {
    background: none;
    border: 1px solid var(--agent-border);
    border-radius: 8px;
    padding: .5rem .75rem;
    font-size: .83rem;
    color: var(--agent-blue);
    cursor: pointer;
    text-align: left;
    line-height: 1.35;
    transition: background .12s, border-color .12s;
}

.mdqa-agent__suggestion:hover,
.mdqa-agent__suggestion:focus-visible {
    background: var(--agent-blue-light);
    border-color: var(--agent-blue);
    outline: none;
}

/* ── Input ──────────────────────────────────────────────────────────────── */

.mdqa-agent__input-wrap {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1rem;
    border-top: 1px solid var(--agent-border);
    background: var(--agent-bg);
}

.mdqa-agent__input {
    flex: 1;
    border: 1px solid var(--agent-border);
    border-radius: 8px;
    padding: .55rem .8rem;
    font-size: .9rem;
    color: var(--agent-text);
    background: var(--agent-bg);
    transition: border-color .15s;
    font-family: var(--agent-font);
}

.mdqa-agent__input:focus {
    outline: none;
    border-color: var(--agent-blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.mdqa-agent__input:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.mdqa-agent__send {
    background: var(--agent-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: .55rem 1rem;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--agent-font);
    transition: background .12s, opacity .12s;
    white-space: nowrap;
    flex-shrink: 0;
}

.mdqa-agent__send:hover:not(:disabled) {
    background: #1d4ed8;
}

.mdqa-agent__send:disabled,
.mdqa-agent__send--loading {
    opacity: .6;
    cursor: not-allowed;
}

/* ── Disclaimer ─────────────────────────────────────────────────────────── */

.mdqa-agent__disclaimer {
    margin: 0;
    padding: .5rem 1rem .75rem;
    font-size: .72rem;
    color: var(--agent-text-muted);
    text-align: center;
    line-height: 1.4;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */

@media ( max-width: 520px ) {
    .mdqa-agent {
        max-width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}