#kh-ai-widget {
    position: fixed;
    right: 24px;
    bottom: 94px;
    z-index: 9998;
    font-family: inherit;
}

#kh-ai-toggle {
    position: relative;
    display: flex;
    width: 58px;
    height: 58px;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, .92);
    border-radius: 50%;
    color: #fff;
    background: #24283a;
    box-shadow:
        0 8px 22px rgba(76, 30, 170, .38),
        0 0 0 1px rgba(76, 30, 170, .08);
    font-size: 24px;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}

#kh-ai-toggle:hover,
#kh-ai-toggle:focus-visible {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 10px 26px rgba(76, 30, 170, .46);
}

#kh-ai-toggle:focus-visible,
.kh-ai-close:focus-visible,
.kh-ai-reset:focus-visible,
.kh-ai-quick:focus-visible,
.kh-ai-action:focus-visible,
.kh-ai-form input:focus-visible,
.kh-ai-send:focus-visible {
    outline: 3px solid rgba(84, 36, 127, .26);
    outline-offset: 3px;
}

.kh-ai-badge {
    position: absolute;
    top: -3px;
    right: -3px;
    min-width: 22px;
    padding: 3px 5px;
    border: 2px solid #fff;
    border-radius: 999px;
    color: #fff;
    background: #19b77b;
    font: 800 9px/1 Arial, sans-serif;
    letter-spacing: .3px;
}

#kh-ai-panel {
    position: absolute;
    right: 0;
    bottom: 70px;
    width: 360px;
    max-width: calc(100vw - 40px);
    overflow: hidden;
    border: 1px solid #d9dee7;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 18px 55px rgba(25, 10, 55, .23);
    transform-origin: bottom right;
    animation: khAiOpen .2s ease-out;
}

#kh-ai-panel[hidden] {
    display: none !important;
}

.kh-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 16px;
    color: #fff;
    border-bottom: 3px solid #18a7ad;
    background: #202536;
}

.kh-ai-heading {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
}

.kh-ai-avatar {
    display: flex;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, .82);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 12px rgba(16, 7, 47, .22);
}

.kh-ai-avatar img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0;
}

.kh-ai-heading strong,
.kh-ai-heading span {
    display: block;
}

.kh-ai-heading strong {
    color: #fff;
    font-size: 14px;
    line-height: 1.25;
}

.kh-ai-heading span {
    margin-top: 2px;
    color: rgba(255, 255, 255, .78);
    font-size: 11px;
    line-height: 1.25;
}

.kh-ai-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.kh-ai-close,
.kh-ai-reset {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 6px;
    color: #fff;
    background: transparent;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    opacity: .9;
}

.kh-ai-close:hover,
.kh-ai-close:focus-visible,
.kh-ai-reset:hover,
.kh-ai-reset:focus-visible {
    background: rgba(255, 255, 255, .1);
    opacity: 1;
}

.kh-ai-messages {
    display: flex;
    min-height: 158px;
    max-height: 270px;
    flex-direction: column;
    gap: 9px;
    overflow-y: auto;
    padding: 15px;
    background: #f4f6f9;
    scrollbar-width: thin;
}

.kh-ai-message {
    max-width: 88%;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.kh-ai-message.is-assistant {
    align-self: flex-start;
    border: 1px solid #ebe6f2;
    border-bottom-left-radius: 4px;
    color: #393342;
    background: #fff;
}

.kh-ai-message.is-assistant a {
    color: #5b2489;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
    overflow-wrap: anywhere;
}

.kh-ai-message.is-assistant a:hover,
.kh-ai-message.is-assistant a:focus-visible {
    color: #7b2fc1;
}

.kh-ai-message.is-user {
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    color: #fff;
    background: #5d2578;
}

.kh-ai-message.is-typing {
    color: #77717d;
    font-style: italic;
}

.kh-ai-quick-list {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding: 10px 12px 4px;
    background: #fff;
    scrollbar-width: none;
}

.kh-ai-quick-list::-webkit-scrollbar {
    display: none;
}

.kh-ai-quick {
    flex: 0 0 auto;
    padding: 7px 9px;
    border: 1px solid rgba(84, 36, 127, .2);
    border-radius: 999px;
    color: #54247f;
    background: #fff;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.kh-ai-quick:hover {
    background: #f2edfa;
}

.kh-ai-actions {
    display: flex;
    flex-wrap: wrap;
    align-self: flex-start;
    gap: 6px;
    max-width: 94%;
    margin-top: -3px;
}

.kh-ai-action {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    gap: 7px;
    padding: 6px 9px;
    border: 1px solid #cfd8e5;
    border-radius: 6px;
    background: #fff;
    color: #28364a;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
}

.kh-ai-action i {
    color: #087f8c;
}

.kh-ai-action:hover,
.kh-ai-action:focus-visible {
    border-color: #087f8c;
    background: #edf8f8;
    color: #075f68;
    text-decoration: none;
}

.kh-ai-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px;
    padding: 10px 12px 12px;
    background: #fff;
}

.kh-ai-form input {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid #ddd7e5;
    border-radius: 9px;
    outline: 0;
    color: #2f2936;
    background: #fff;
    font-size: 13px;
}

.kh-ai-form input:focus {
    border-color: #6d37d7;
}

.kh-ai-send {
    display: flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 9px;
    color: #fff;
    background: #54247f;
    cursor: pointer;
}

.kh-ai-send:disabled,
.kh-ai-form input:disabled {
    cursor: wait;
    opacity: .65;
}

.kh-ai-note {
    margin: -3px 12px 10px;
    color: #7b7482;
    font-size: 9px;
    line-height: 1.35;
    text-align: center;
}

@keyframes khAiOpen {
    from {
        opacity: 0;
        transform: translateY(8px) scale(.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 575px) {
    #kh-ai-widget {
        right: 14px;
        bottom: 80px;
    }

    #kh-ai-toggle {
        width: 54px;
        height: 54px;
        font-size: 22px;
    }

    #kh-ai-panel {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 146px;
        width: auto;
        max-width: none;
    }

    .kh-ai-messages {
        max-height: min(275px, 38vh);
    }
}

@media (prefers-reduced-motion: reduce) {
    #kh-ai-toggle,
    #kh-ai-panel {
        animation: none;
        transition: none;
    }
}