.ka-realtime-assistant {
    --ka-realtime-border: #d7dee6;
    --ka-realtime-bg: #ffffff;
    --ka-realtime-muted: #5b6573;
    --ka-realtime-shadow: 0 18px 48px rgba(15, 23, 42, 0.16);
    font-family: "Segoe UI", Arial, sans-serif;
    color: #0f172a;
}

.ka-realtime-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body.ka-realtime-fullscreen-open {
    overflow: hidden;
}

.ka-realtime-assistant.is-floating {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 99999;
    width: min(380px, calc(100vw - 24px));
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ka-realtime-launcher {
    width: 100%;
    border: 0;
    border-radius: 999px;
    background: var(--ka-realtime-primary);
    color: #fff;
    padding: 14px 18px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: var(--ka-realtime-shadow);
    cursor: pointer;
}

.ka-realtime-assistant.is-fullscreen {
    inset: 0;
    right: 0;
    bottom: 0;
    width: auto;
    padding: 12px;
}

.ka-realtime-assistant.is-fullscreen .ka-realtime-launcher {
    display: none;
}

.ka-realtime-panel {
    background: linear-gradient(180deg, #ffffff 0%, #f5f9fb 100%);
    border: 1px solid var(--ka-realtime-border);
    border-radius: 18px;
    box-shadow: var(--ka-realtime-shadow);
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-height: min(80vh, 720px);
    max-height: min(80dvh, 720px);
    overflow: hidden;
}

.ka-realtime-panel[hidden] {
    display: none !important;
}

.ka-realtime-assistant.is-floating:not(.is-fullscreen) .ka-realtime-panel {
    height: min(80vh, 720px);
    height: min(80dvh, 720px);
}

.ka-realtime-assistant.is-fullscreen .ka-realtime-panel {
    width: min(960px, 100%);
    height: 100%;
    max-height: none;
    margin-left: auto;
}

.ka-realtime-header,
.ka-realtime-modes,
.ka-realtime-actions,
.ka-realtime-navigation,
.ka-realtime-inputs,
.ka-realtime-note,
.ka-realtime-errors,
.ka-realtime-transcript {
    padding-left: 16px;
    padding-right: 16px;
}

.ka-realtime-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    flex: 0 0 auto;
    padding-top: 12px;
    padding-bottom: 8px;
}

.ka-realtime-status {
    margin: 0;
    color: var(--ka-realtime-muted);
    text-transform: capitalize;
}

.ka-realtime-clear {
    background: transparent;
    border: 0;
    color: var(--ka-realtime-primary);
    cursor: pointer;
}

.ka-realtime-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ka-realtime-assistant .ka-realtime-icon-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    padding: 0;
    font-size: 0;
    line-height: 1;
    border-radius: 999px;
}

.ka-realtime-assistant .ka-realtime-icon {
    display: block;
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ka-realtime-assistant .ka-realtime-fullscreen,
.ka-realtime-assistant .ka-realtime-clear {
    border: 1px solid var(--ka-realtime-border);
    background: #ffffff;
    color: #0f172a;
    cursor: pointer;
    box-shadow: none;
}

.ka-realtime-assistant .ka-realtime-actions .button.ka-realtime-icon-button {
    border: 1px solid transparent;
    background: #2dd4bf;
    color: #0f172a;
    box-shadow: none;
}

.ka-realtime-assistant .ka-realtime-actions .button.button-primary.ka-realtime-icon-button {
    background: var(--ka-realtime-primary);
    border-color: var(--ka-realtime-primary);
    color: #ffffff;
}

.ka-realtime-assistant .ka-realtime-icon-collapse,
.ka-realtime-assistant .ka-realtime-icon-volume-off,
.ka-realtime-assistant.is-fullscreen .ka-realtime-icon-expand,
.ka-realtime-assistant .ka-realtime-mute-button.is-muted .ka-realtime-icon-volume-on {
    display: none;
}

.ka-realtime-assistant.is-fullscreen .ka-realtime-icon-collapse,
.ka-realtime-assistant .ka-realtime-mute-button.is-muted .ka-realtime-icon-volume-off {
    display: block;
}

.ka-realtime-modes {
    display: flex;
    gap: 8px;
    flex: 0 0 auto;
    padding-bottom: 10px;
}

.ka-realtime-mode {
    border: 1px solid var(--ka-realtime-border);
    background: #fff;
    border-radius: 999px;
    padding: 6px 12px;
    min-height: 44px;
    font-size: 14px;
    cursor: pointer;
}

.ka-realtime-mode.is-active,
.ka-realtime-mode:hover,
.ka-realtime-actions .button-primary {
    background: var(--ka-realtime-primary);
    border-color: var(--ka-realtime-primary);
    color: #fff;
}

.ka-realtime-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 0 0 auto;
    padding-bottom: 10px;
}

.ka-realtime-actions .button {
    min-width: 46px;
    min-height: 46px;
    border-radius: 999px;
}

.ka-realtime-errors {
    flex: 0 0 auto;
    min-height: 22px;
    color: #b91c1c;
    font-size: 13px;
}

.ka-realtime-conversation {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

.ka-realtime-message-body {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.ka-realtime-transcript {
    flex: 0 0 auto;
    margin-top: auto;
    min-height: clamp(136px, 24vh, 240px);
    max-height: none;
    overflow: visible;
    padding-bottom: 10px;
}

.ka-realtime-transcript:empty {
    padding-bottom: 0;
}

.ka-realtime-navigation {
    display: grid;
    gap: 8px;
    flex: 0 0 auto;
    padding-bottom: 10px;
}

.ka-realtime-action-card {
    background: #ffffff;
    border: 1px solid var(--ka-realtime-border);
    border-radius: 12px;
    padding: 10px;
}

.ka-realtime-action-card h4 {
    margin: 0 0 4px;
    font-size: 13px;
    line-height: 1.3;
}

.ka-realtime-action-card p {
    margin: 0;
    color: var(--ka-realtime-muted);
    font-size: 12px;
}

.ka-realtime-action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.ka-realtime-action-buttons .button {
    min-height: 36px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1.2;
}

.ka-realtime-bubble {
    margin: 0 0 10px;
    padding: 9px 11px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid var(--ka-realtime-border);
}

.ka-realtime-bubble.is-user {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.ka-realtime-highlight {
    outline: 3px solid rgba(15, 118, 110, 0.35);
    outline-offset: 4px;
    transition: outline-color 0.3s ease;
}

.ka-realtime-bubble strong {
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--ka-realtime-muted);
}

.ka-realtime-inputs {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    column-gap: 6px;
    flex: 0 0 auto;
    padding-top: 6px;
    padding-bottom: 10px;
    background: linear-gradient(180deg, rgba(245, 249, 251, 0) 0%, rgba(245, 249, 251, 0.92) 18%, rgba(245, 249, 251, 1) 42%);
}

.ka-realtime-inputs textarea {
    width: 100%;
    border: 1px solid var(--ka-realtime-border);
    border-radius: 12px;
    min-height: 50px;
    max-height: 88px;
    resize: none;
    padding: 8px 10px;
    font-size: 14px;
}

.ka-realtime-text-actions {
    display: flex;
    align-items: flex-end;
}

.ka-realtime-text-actions .button {
    min-height: 50px;
    padding: 0 16px;
    border-radius: 12px;
    white-space: nowrap;
    font-size: 13px;
}

.ka-realtime-send-button {
    min-width: 50px;
    padding: 0;
}

.ka-realtime-note {
    flex: 0 0 auto;
    margin: 0;
    padding-top: 0;
    padding-bottom: 8px;
    color: var(--ka-realtime-muted);
    font-size: 12px;
}

.ka-realtime-disclaimer {
    padding-bottom: 16px;
}

.ka-realtime-assistant button:focus,
.ka-realtime-assistant textarea:focus {
    outline: 2px solid var(--ka-realtime-primary);
    outline-offset: 2px;
}

@media (max-width: 640px) {
    .ka-realtime-assistant.is-floating {
        right: 12px;
        left: 12px;
        bottom: 12px;
        width: auto;
    }

    .ka-realtime-header {
        gap: 8px;
        padding-top: 10px;
        padding-bottom: 6px;
    }

    .ka-realtime-assistant .ka-realtime-icon-button {
        width: 42px;
        height: 42px;
    }

    .ka-realtime-assistant .ka-realtime-icon {
        width: 18px;
        height: 18px;
    }

    .ka-realtime-modes {
        gap: 6px;
        padding-bottom: 8px;
    }

    .ka-realtime-mode {
        min-height: 40px;
        padding: 5px 10px;
        font-size: 13px;
    }

    .ka-realtime-panel {
        max-height: calc(100vh - 24px);
        max-height: calc(100dvh - 24px);
    }

    .ka-realtime-assistant.is-floating:not(.is-fullscreen) .ka-realtime-panel {
        height: calc(100vh - 24px);
        height: calc(100dvh - 24px);
    }

    .ka-realtime-assistant.is-fullscreen {
        padding: 0;
    }

    .ka-realtime-assistant.is-fullscreen .ka-realtime-panel {
        width: 100%;
        height: 100dvh;
        border-radius: 0;
    }

    .ka-realtime-transcript {
        min-height: clamp(96px, 18vh, 180px);
        max-height: none;
    }

    .ka-realtime-actions {
        flex-direction: column;
        gap: 6px;
        padding-bottom: 8px;
    }

    .ka-realtime-actions .button {
        width: 100%;
        min-height: 42px;
    }

    .ka-realtime-inputs {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
        column-gap: 6px;
        padding-top: 4px;
        padding-bottom: 8px;
    }

    .ka-realtime-inputs textarea {
        min-height: 46px;
        max-height: 80px;
        padding: 7px 10px;
        font-size: 13px;
    }

    .ka-realtime-text-actions .button {
        min-height: 46px;
        padding: 0 14px;
        font-size: 12px;
    }

    .ka-realtime-note {
        font-size: 11px;
    }

    .ka-realtime-action-buttons .button {
        width: auto;
    }
}