/* -- Lock Button -- iMessage-Floating-Bubble -------- */
.wpairag-lock {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,122,255,.35), 0 2px 8px rgba(0,0,0,.08);
    z-index: 999999;
    transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s, opacity .25s;
    border: none;
    outline: none;
    -webkit-user-select: none;
    user-select: none;
}
.wpairag-lock:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(0,122,255,.4), 0 3px 12px rgba(0,0,0,.1);
}
.wpairag-lock:active { transform: scale(.95); }
.wpairag-lock.wpairag-lock svg { margin-top: -4px; }

.wpairag-lock-hidden {
    opacity: 0;
    transform: scale(.6);
    pointer-events: none;
}

/* -- Chat Container --------------------------------- */
.wpairag-chatbot {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    border: none;
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fff;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 400px;
    height: 620px;
    z-index: 999998;
    box-shadow: 0 8px 40px rgba(0,0,0,.12), 0 2px 10px rgba(0,0,0,.06);
    transform-origin: bottom right;
}
.wpairag-chatbot.wpairag-closed { display: none; }
.wpairag-chatbot.wpairag-opening {
    animation: wpairag-open .3s cubic-bezier(.4,0,.2,1);
}
@keyframes wpairag-open {
    from { opacity: 0; transform: scale(.7) translateY(20px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* -- Header ----------------------------------------- */
.wpairag-header {
    display: flex;
    align-items: center;
    padding: 14px 20px 12px;
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--wpairag-header-text, #1c1c1e);
    background: var(--wpairag-header-bg, #fff);
    border-bottom: 1px solid #e5e5ea;
    letter-spacing: -.01em;
}
.wpairag-header .wpairag-title {
    white-space: nowrap;
}
.wpairag-header button:first-of-type {
    margin-left: auto;
    margin-right: -10px;
}

/* -- Header Buttons -- */
.wpairag-header button {
    color: #555 !important;
    opacity: 1 !important;
    transition: opacity .15s;
}
.wpairag-header button:hover {
    opacity: .7 !important;
}
.wpairag-header button:last-child {
    margin-right: -6px;
}
.wpairag-header button + button {
    margin-left: 12px;
}

/* -- Messages Container ----------------------------- */
.wpairag-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
    background: var(--wpairag-messages-bg, #f5f5f7);
}
.wpairag-messages::-webkit-scrollbar { width: 6px; }
.wpairag-messages::-webkit-scrollbar-track { background: transparent; }
.wpairag-messages::-webkit-scrollbar-thumb { background: #c7c7cc; border-radius: 3px; }

/* -- Welcome Message -------------------------------- */
.wpairag-welcome {
    text-align: center;
    padding: 36px 18px 24px;
}
.wpairag-welcome p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--wpairag-welcome, #8e8e93);
}

/* -- Bubbles -- iMessage-Stil ----------------------- */
.wpairag-msg {
    max-width: 78%;
    padding: 10px 16px;
    border-radius: 20px;
    font-size: 1.3rem;
    line-height: 1.45;
    word-wrap: break-word;
    position: relative;
    animation: wpairag-fadein .2s ease-out;
}
@keyframes wpairag-fadein {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.wpairag-msg.user {
    align-self: flex-end;
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    border-bottom-right-radius: 4px;
    margin-right: 2px;
}
.wpairag-msg.bot {
    align-self: flex-start;
    background: var(--wpairag-bot-bg, #e9e9eb);
    color: #1c1c1e;
    border-bottom-left-radius: 4px;
    margin-left: 2px;
}

/* -- Headings in Bot messages -- */
.wpairag-msg.bot h1 {
    font-size: 1.25rem;
    margin: 12px 0 6px;
    line-height: 1.3;
}
.wpairag-msg.bot h2 {
    font-size: 1.15rem;
    margin: 10px 0 5px;
    line-height: 1.3;
}
.wpairag-msg.bot h3 {
    font-size: 1.3rem;
    margin: 8px 0 4px;
    line-height: 1.35;
}
.wpairag-msg.bot h1:first-child,
.wpairag-msg.bot h2:first-child,
.wpairag-msg.bot h3:first-child {
    margin-top: 0;
}

/* -- Lists in Bot messages -- */
.wpairag-msg.bot ul {
    margin: 8px 0;
    padding-left: 16px;
}

/* -- Links in Bot messages -- */
.wpairag-msg.bot a {
    font-size: inherit;
    color: #0055cc;
    text-decoration: underline;
    transition: color .15s;
}
.wpairag-msg.bot a:hover {
    color: #1c1c1e;
}

.wpairag-msg.bot ol {
    margin: 8px 0;
    padding-left: 0;
}
.wpairag-msg.bot li {
    font-size: inherit;
    line-height: 1.5;
    margin-bottom: 4px;
}
.wpairag-msg.bot li:last-child {
    margin-bottom: 0;
}

/* -- Code/Pre in Bot messages -- */
.wpairag-msg.bot code {
    font-size: .9em;
    word-break: break-all;
}
.wpairag-msg.bot pre {
    font-size: .9em;
    overflow-x: auto;
}
.wpairag-msg.bot pre code {
    font-size: inherit;
}

/* -- Sources ---------------------------------------- */
.wpairag-msg.bot .wpairag-sources {
    margin-top: 16px;
    padding-top: 12px;
    padding-bottom: 4px;
    border-top: 1px solid #d1d1d6;
    font-size: inherit;
}
.wpairag-msg.bot .wpairag-sources strong {
    display: block;
    margin-bottom: 3px;
    color: #1c1c1e;
    font-weight: 600;
    font-size: inherit;
}
.wpairag-msg.bot .wpairag-sources ul { margin: 0; padding: 0; list-style: none; }
.wpairag-msg.bot .wpairag-sources li { padding: 2px 0; color: #3a3a3c; }
.wpairag-msg.bot .wpairag-sources a { color: var(--wpairag-primary, #007aff); text-decoration: none; }
.wpairag-msg.bot .wpairag-sources a:hover { color: #1c1c1e; text-decoration: underline; }

/* -- Typing Indicator ------------------------------- */
.wpairag-typing {
    display: flex;
    gap: 5px;
    padding: 12px 16px;
    align-items: center;
    align-self: flex-start;
    background: var(--wpairag-bot-bg, #e9e9eb);
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    margin-left: 2px;
}
.wpairag-typing span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #aeaeb2;
    animation: wpairag-bounce 1.2s infinite;
}
.wpairag-typing span:nth-child(2) { animation-delay: .2s; }
.wpairag-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes wpairag-bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-7px); }
}

/* -- Input Area -- iMessage-Stil -------------------- */
.wpairag-input-area {
    display: flex;
    padding: 12px 14px;
    gap: 8px;
    background: #fff;
    border-top: 1px solid #e5e5ea;
}
#wpairag-input {
    flex: 1;
    resize: none;
    border: 1px solid #e5e5ea;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 1.3rem;
    font-family: inherit;
    outline: none;
    line-height: 1.4;
    background: #f5f5f7;
    color: #1c1c1e;
    transition: border-color .15s, background .15s;
}
#wpairag-input::placeholder { color: #8e8e93; }
#wpairag-input:focus { border-color: var(--wpairag-primary, #007aff); background: #fff; }
#wpairag-send {
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity .15s;
    flex-shrink: 0;
    align-self: flex-end;
}
#wpairag-send svg { width: 20px; height: 20px; }
#wpairag-send:hover { opacity: .85; }
#wpairag-send:disabled { opacity: .3; cursor: not-allowed; }

/* -- Footer ----------------------------------------- */

/* -- Dark Mode -- macOS Dark ------------------------ */
@media (prefers-color-scheme: dark) {
    .wpairag-chatbot { background: #1c1c1e; border-color: #38383a; }
    .wpairag-header { background: #1c1c1e; border-bottom-color: #38383a; color: #f5f5f7; }
    .wpairag-messages { background: #000; }
    .wpairag-messages::-webkit-scrollbar-thumb { background: #48484a; }
    .wpairag-welcome p { color: #636366; }
    .wpairag-msg.user { background: var(--wpairag-primary, #0a84ff); color: #fff; }
    .wpairag-msg.bot { background: #2c2c2e; color: #f5f5f7; }
    .wpairag-msg.bot .wpairag-sources { border-top-color: #38383a; }
    .wpairag-msg.bot .wpairag-sources strong { color: #636366; }
    .wpairag-msg.bot .wpairag-sources li { color: #aeaeb2; }
    .wpairag-msg.bot .wpairag-sources a { color: var(--wpairag-primary, #0a84ff); }
    .wpairag-msg.bot .wpairag-sources a:hover { color: #f5f5f7; }
    .wpairag-msg.bot .wpairag-sources a:hover { color: #f5f5f7; }
    .wpairag-typing { background: #2c2c2e; }
    .wpairag-typing span { background: #636366; }
    .wpairag-input-area { background: #1c1c1e; border-top-color: #38383a; }
    #wpairag-input { background: #2c2c2e; border-color: #38383a; color: #f5f5f7; }
    #wpairag-input::placeholder { color: #636366; }
    #wpairag-input:focus { border-color: var(--wpairag-primary, #0a84ff); background: #2c2c2e; }
    #wpairag-send { background: var(--wpairag-primary, #0a84ff); color: #fff; }
    .wpairag-header button { color: #aeaeb2 !important; }
}
/* -- Responsive: Tablet & Mobile --------------------- */
@media (max-width: 768px) {
    .wpairag-chatbot {
        bottom: 16px;
        right: 16px;
        border-radius: 14px;
    }
    .wpairag-lock {
        bottom: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .wpairag-chatbot {
        width: calc(100vw - 24px);
        height: calc(100vh - 100px);
        bottom: 12px;
        right: 12px;
        border-radius: 12px;
    }
    .wpairag-lock {
        bottom: 12px;
        right: 12px;
        width: 52px;
        height: 52px;
    }
    .wpairag-msg {
        font-size: 1rem;
        max-width: 85%;
        padding: 9px 14px;
    }
    .wpairag-header {
        padding: 10px 14px 10px;
        font-size: 1.1rem;
    }
    .wpairag-messages {
        padding: 16px 12px;
        gap: 8px;
    }
    .wpairag-welcome {
        padding: 24px 12px 18px;
    }
    .wpairag-welcome p {
        font-size: .95rem;
    }
    #wpairag-input {
        font-size: 1rem;
        padding: 10px 12px;
    }
    #wpairag-send {
        width: 42px;
        height: 42px;
    }
    #wpairag-send svg {
        width: 18px;
        height: 18px;
    }
    .wpairag-input-area {
        padding: 10px 12px;
        gap: 6px;
    }
    .wpairag-header button svg {
        width: 16px;
        height: 16px;
    }
    .wpairag-header button {
        padding: 8px !important;
    }
    .wpairag-msg.bot h1 { font-size: 1.1rem; }
    .wpairag-msg.bot h2 { font-size: 1.05rem; }
    .wpairag-msg.bot h3 { font-size: 1rem; }
    .wpairag-typing {
        padding: 10px 14px;
    }
    .wpairag-typing span {
        width: 8px;
        height: 8px;
    }
}

@media (max-width: 380px) {
    .wpairag-chatbot {
        width: calc(100vw - 16px);
        height: calc(100vh - 80px);
        bottom: 8px;
        right: 8px;
        border-radius: 10px;
    }
    .wpairag-lock {
        bottom: 8px;
        right: 8px;
        width: 48px;
        height: 48px;
    }
    .wpairag-msg {
        font-size: .95rem;
        max-width: 88%;
    }
    #wpairag-input {
        font-size: .95rem;
    }
    .wpairag-header {
        font-size: 1rem;
        padding: 8px 12px 8px;
    }
}
/* --