/* ============================================================
   FISAC AI Chatbot – Styles
   ============================================================ */

/* ------------------------------------------------------------------
   CSS custom properties (set inline per-instance via shortcode)
   ------------------------------------------------------------------ */
.pncb-launcher {
    --pncb-primary:       #2271b1;
    --pncb-primary-hover: #1a5c91;
    --pncb-bg:            #ffffff;
    --pncb-border:        #dde1e7;
    --pncb-user-bg:       #2271b1;
    --pncb-user-color:    #ffffff;
    --pncb-bot-bg:        #f0f4f8;
    --pncb-bot-color:     #1e2832;
    --pncb-radius:        14px;
    --pncb-height:        420px;

    /* Fixed position – bottom-right corner.
       The element is moved to <body> by JS to avoid stacking-context
       issues caused by parent transforms / filters (e.g. theme sidebars). */
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2147483647; /* max possible z-index, above any theme arrow */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* ------------------------------------------------------------------
   Floating trigger button
   ------------------------------------------------------------------ */
.pncb-trigger {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--pncb-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
    transition: background .15s, transform .15s, box-shadow .15s;
    font-size: 26px;
    line-height: 1;
    position: relative;
    margin-left: auto; /* aligns button to right within launcher */
}
.pncb-trigger:hover  { background: var(--pncb-primary-hover); transform: scale(1.07); box-shadow: 0 6px 22px rgba(0,0,0,.3); }
.pncb-trigger:active { transform: scale(.95); }

/* Unread badge */
.pncb-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid #fff;
    display: none;
}
.pncb-launcher.pncb-has-unread .pncb-badge { display: block; }

/* ------------------------------------------------------------------
   Chat panel
   ------------------------------------------------------------------ */
.pncb-panel {
    position: absolute;
    bottom: 70px;   /* above the trigger button */
    right: 0;
    width: 360px;
    max-width: calc(100vw - 32px);
    background: var(--pncb-bg);
    border: 1px solid var(--pncb-border);
    border-radius: var(--pncb-radius);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.18);

    /* Hidden by default */
    opacity: 0;
    transform: translateY(12px) scale(.97);
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}
.pncb-launcher.pncb-open .pncb-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ------------------------------------------------------------------
   Header
   ------------------------------------------------------------------ */
.pncb-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 16px;
    background: var(--pncb-primary);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
}
.pncb-icon  { font-size: 18px; flex-shrink: 0; }
.pncb-title { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Close button inside header */
.pncb-close {
    background: none;
    border: none;
    color: rgba(255,255,255,.8);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 0 2px;
    flex-shrink: 0;
    transition: color .15s;
}
.pncb-close:hover { color: #fff; }

/* ------------------------------------------------------------------
   Messages area
   ------------------------------------------------------------------ */
.pncb-messages {
    height: var(--pncb-height);
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
    background: var(--pncb-bg);
}
.pncb-messages::-webkit-scrollbar { width: 5px; }
.pncb-messages::-webkit-scrollbar-thumb { background: var(--pncb-border); border-radius: 3px; }

/* ------------------------------------------------------------------
   Messages
   ------------------------------------------------------------------ */
.pncb-message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: pncb-in .18s ease;
}
@keyframes pncb-in {
    from { opacity: 0; transform: translateY(5px); }
    to   { opacity: 1; transform: translateY(0); }
}
.pncb-message.pncb-user { align-self: flex-end;   align-items: flex-end; }
.pncb-message.pncb-bot  { align-self: flex-start; align-items: flex-start; }

.pncb-bubble {
    padding: 9px 13px;
    border-radius: 16px;
    word-break: break-word;
    white-space: pre-wrap;
}
.pncb-user .pncb-bubble {
    background: var(--pncb-user-bg);
    color: var(--pncb-user-color);
    border-bottom-right-radius: 4px;
}
.pncb-bot .pncb-bubble {
    background: var(--pncb-bot-bg);
    color: var(--pncb-bot-color);
    border-bottom-left-radius: 4px;
}

/* Typing indicator */
.pncb-typing .pncb-bubble {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 12px 16px;
}
.pncb-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #9aa5b4;
    animation: pncb-bounce .9s infinite ease;
}
.pncb-dot:nth-child(2) { animation-delay: .15s; }
.pncb-dot:nth-child(3) { animation-delay: .30s; }
@keyframes pncb-bounce {
    0%, 80%, 100% { transform: scale(1);    opacity: .6; }
    40%           { transform: scale(1.35); opacity: 1;  }
}

/* Error */
.pncb-error .pncb-bubble {
    background: #fef3f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* ------------------------------------------------------------------
   Input form
   ------------------------------------------------------------------ */
.pncb-form {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--pncb-border);
    background: #fafbfc;
}
.pncb-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--pncb-border);
    border-radius: 22px;
    outline: none;
    font-size: 13px;
    background: #fff;
    transition: border-color .15s;
}
.pncb-input:focus { border-color: var(--pncb-primary); }

.pncb-btn {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--pncb-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
}
.pncb-btn:hover    { background: var(--pncb-primary-hover); }
.pncb-btn:active   { transform: scale(.95); }
.pncb-btn:disabled { background: #9aa5b4; cursor: not-allowed; }

/* ------------------------------------------------------------------
   Admin preview (non floating)
   ------------------------------------------------------------------ */
.pncb-widget {
    --pncb-primary:       #2271b1;
    --pncb-primary-hover: #1a5c91;
    --pncb-bg:            #ffffff;
    --pncb-border:        #dde1e7;
    --pncb-user-bg:       #2271b1;
    --pncb-user-color:    #ffffff;
    --pncb-bot-bg:        #f0f4f8;
    --pncb-bot-color:     #1e2832;
    --pncb-radius:        14px;
    --pncb-height:        260px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--pncb-border);
    border-radius: var(--pncb-radius);
    overflow: hidden;
    background: var(--pncb-bg);
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */
@media (max-width: 420px) {
    .pncb-launcher { bottom: 12px; right: 12px; }
    .pncb-panel { width: calc(100vw - 24px); right: -12px; }
}
