.kr-live-chat {
    position: fixed;
    right: 22px;
    bottom: 24px;
    z-index: 90;
    width: min(380px, calc(100vw - 28px));
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    pointer-events: none;
}

.kr-chat-promo {
    position: relative;
    width: min(196px, 54vw);
    max-height: min(310px, calc(100vh - 150px));
    margin-left: auto;
    pointer-events: auto;
}

.kr-chat-promo-launch {
    display: block;
    width: 100%;
    border: 0;
    padding: 0;
    background: transparent;
    cursor: pointer;
    filter: drop-shadow(0 22px 34px rgba(0, 0, 0, .42));
}

.kr-chat-promo-image {
    display: block;
    width: 100%;
    max-height: min(310px, calc(100vh - 150px));
    height: auto;
    object-fit: contain;
    object-position: right bottom;
}

.kr-chat-promo-close {
    position: absolute;
    top: 38px;
    right: 0;
    z-index: 2;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(15, 23, 42, .18);
    border-radius: 999px;
    background: rgba(255, 255, 255, .94);
    color: #111827;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
    cursor: pointer;
    font-weight: 950;
    line-height: 1;
}

.kr-live-chat.promo-hidden .kr-chat-promo,
.kr-live-chat.open .kr-chat-promo {
    display: none;
}

.kr-chat-toggle {
    width: 116px;
    height: 64px;
    border: 0;
    border-radius: 16px;
    background: #fff;
    color: #111827;
    box-shadow: 0 18px 42px rgba(255, 106, 0, .35);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 950;
    position: relative;
    margin-left: auto;
    overflow: hidden;
    pointer-events: auto;
}

.kr-live-chat.promo-hidden .kr-chat-toggle {
    display: flex;
}

.kr-live-chat.open .kr-chat-toggle {
    display: none;
}

.kr-chat-toggle-icon {
    width: 102px;
    height: 54px;
    object-fit: contain;
}

.kr-chat-toggle-dot {
    position: absolute;
    right: 7px;
    top: 7px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #22c55e;
    border: 2px solid #fff;
}

.kr-chat-panel {
    position: absolute;
    right: 0;
    bottom: 72px;
    width: min(380px, calc(100vw - 28px));
    height: min(560px, calc(100vh - 112px));
    background: #0f172a;
    border: 1px solid rgba(148, 163, 184, .22);
    border-radius: 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .46);
    overflow: hidden;
    display: none;
    pointer-events: auto;
}

.kr-live-chat.open .kr-chat-panel {
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.kr-chat-head {
    padding: 14px;
    background: #020617;
    border-bottom: 1px solid rgba(148, 163, 184, .16);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.kr-chat-profile {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.kr-chat-avatar {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 50%;
    background: #fff7ed;
    border: 2px solid rgba(255, 106, 0, .5);
    object-fit: cover;
}

.kr-chat-meta {
    min-width: 0;
}

.kr-chat-title {
    color: #fff;
    font-weight: 950;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kr-chat-subtitle {
    color: #94a3b8;
    font-size: 12px;
    margin-top: 3px;
}

.kr-chat-close {
    width: 34px;
    height: 34px;
    border: 1px solid rgba(148, 163, 184, .22);
    border-radius: 10px;
    background: #1e293b;
    color: #e2e8f0;
    cursor: pointer;
}

.kr-chat-messages {
    padding: 14px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kr-chat-bubble {
    max-width: 86%;
    border-radius: 14px;
    padding: 10px 12px;
    line-height: 1.5;
    font-size: 14px;
    white-space: pre-wrap;
}

.kr-chat-bubble.user {
    align-self: flex-end;
    background: #ff6a00;
    color: #fff;
    border-bottom-right-radius: 5px;
}

.kr-chat-bubble.model {
    align-self: flex-start;
    background: #020617;
    color: #e2e8f0;
    border: 1px solid rgba(148, 163, 184, .16);
    border-bottom-left-radius: 5px;
}

.kr-chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #cbd5e1;
}

.kr-chat-typing span {
    margin-right: 3px;
}

.kr-chat-typing i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #ffb366;
    animation: krTyping 1s infinite ease-in-out;
}

.kr-chat-typing i:nth-child(3) {
    animation-delay: .15s;
}

.kr-chat-typing i:nth-child(4) {
    animation-delay: .3s;
}

.kr-session-actions {
    align-self: flex-start;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 86%;
}

.kr-session-actions button {
    border: 1px solid rgba(148, 163, 184, .22);
    border-radius: 999px;
    padding: 8px 12px;
    font-weight: 900;
    cursor: pointer;
}

.kr-session-end {
    background: #ff6a00;
    color: #fff;
}

.kr-session-continue {
    background: #1e293b;
    color: #e2e8f0;
}

@keyframes krTyping {
    0%, 80%, 100% {
        transform: translateY(0);
        opacity: .45;
    }
    40% {
        transform: translateY(-3px);
        opacity: 1;
    }
}

.kr-escalation-box {
    align-self: flex-start;
    width: min(100%, 320px);
    border-radius: 14px;
    padding: 12px;
    background: #111827;
    border: 1px solid rgba(255, 106, 0, .35);
    color: #e5e7eb;
    box-shadow: 0 16px 32px rgba(0, 0, 0, .22);
}

.kr-escalation-title {
    font-weight: 950;
    color: #fff;
    margin-bottom: 4px;
}

.kr-escalation-box p {
    margin: 0 0 10px;
    color: #cbd5e1;
    font-size: 13px;
    line-height: 1.45;
}

.kr-escalation-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.kr-escalation-input {
    min-width: 0;
    border-radius: 11px;
    border: 1px solid #334155;
    background: #020617;
    color: #e2e8f0;
    padding: 10px 11px;
    outline: none;
}

.kr-escalation-input:focus {
    border-color: #ff6a00;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, .16);
}

.kr-escalation-button {
    border: 0;
    border-radius: 11px;
    background: #ff6a00;
    color: #fff;
    font-weight: 950;
    padding: 0 12px;
    cursor: pointer;
}

.kr-escalation-button:disabled {
    opacity: .65;
    cursor: wait;
}

.kr-escalation-error {
    min-height: 18px;
    margin-top: 8px;
    color: #fecaca;
    font-size: 12px;
    line-height: 1.4;
}

.kr-chat-form {
    padding: 12px;
    border-top: 1px solid rgba(148, 163, 184, .16);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    background: #020617;
}

.kr-chat-input {
    min-height: 44px;
    max-height: 96px;
    resize: none;
    border-radius: 13px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #e2e8f0;
    padding: 11px 12px;
    outline: none;
}

.kr-chat-input:focus {
    border-color: #ff6a00;
    box-shadow: 0 0 0 3px rgba(255, 106, 0, .18);
}

.kr-chat-send {
    min-width: 72px;
    border: 0;
    border-radius: 13px;
    background: #ff6a00;
    color: #fff;
    font-weight: 950;
    cursor: pointer;
}

.kr-chat-send:disabled {
    opacity: .65;
    cursor: wait;
}

@media (max-width: 640px) {
    .kr-live-chat {
        position: fixed;
        right: max(12px, env(safe-area-inset-right));
        bottom: max(14px, env(safe-area-inset-bottom));
        width: auto;
        max-height: none;
    }

    .kr-chat-promo {
        display: none;
    }

    .kr-chat-toggle {
        display: flex;
        width: 68px;
        height: 68px;
        border-radius: 999px;
        box-shadow: 0 18px 46px rgba(255, 106, 0, .42);
    }

    .kr-chat-toggle-icon {
        width: 56px;
        height: 42px;
    }

    .kr-chat-panel {
        position: fixed;
        right: 10px;
        left: 10px;
        bottom: 74px;
        width: auto;
        height: min(540px, calc(100vh - 92px));
    }

    .kr-escalation-form {
        grid-template-columns: 1fr;
    }

    .kr-escalation-button {
        min-height: 42px;
    }
}