.site-ai-assistant {
    position: fixed;
    top: calc(100vh - 58px);
    left: calc(100vw - 58px);
    z-index: 9999;
    width: 36px;
    height: 36px;
    font-family: inherit;
    transition: left 0.18s ease, top 0.18s ease;
}

.site-ai-assistant.is-dragging {
    transition: none;
}

.site-ai-assistant__toggle {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f172a 0%, #2563eb 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.22);
    padding: 0;
    cursor: grab;
    user-select: none;
    touch-action: none;
    transition: border-radius 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.site-ai-assistant.is-dragging .site-ai-assistant__toggle {
    cursor: grabbing;
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.28);
}

.site-ai-assistant__toggle-badge {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.site-ai-assistant.is-snapped-left:not(.is-open):not(.is-dragging) .site-ai-assistant__toggle {
    border-radius: 0 18px 18px 0;
    transform: translateX(-14px);
}

.site-ai-assistant.is-snapped-right:not(.is-open):not(.is-dragging) .site-ai-assistant__toggle {
    border-radius: 18px 0 0 18px;
    transform: translateX(14px);
}

.site-ai-assistant__panel {
    position: absolute;
    right: 0;
    bottom: 48px;
    width: 360px;
    max-width: calc(100vw - 24px);
    max-height: min(680px, calc(100vh - 110px));
    display: flex;
    flex-direction: column;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.14), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.2);
    backdrop-filter: blur(14px);
}

.site-ai-assistant__panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 18px 8px;
}

.site-ai-assistant__eyebrow {
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #2563eb;
    margin-bottom: 6px;
}

.site-ai-assistant__panel-head h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.2;
    color: #0f172a;
}

.site-ai-assistant__close {
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.14);
    color: #475569;
    font-size: 22px;
    line-height: 1;
}

.site-ai-assistant__intro {
    padding: 0 18px 10px;
    color: #475569;
    font-size: 13px;
    line-height: 1.6;
}

.site-ai-assistant__prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 18px 14px;
}

.site-ai-assistant__prompt {
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.84);
    color: #1e3a8a;
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.4;
}

.site-ai-assistant__messages {
    flex: 1;
    overflow-y: auto;
    padding: 0 18px 12px;
}

.site-ai-assistant__message {
    display: flex;
    margin-bottom: 12px;
}

.site-ai-assistant__message--user {
    justify-content: flex-end;
}

.site-ai-assistant__bubble {
    max-width: 88%;
    border-radius: 18px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.7;
    color: #0f172a;
    background: #fff;
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.site-ai-assistant__message--user .site-ai-assistant__bubble {
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
    border-color: rgba(37, 99, 235, 0.12);
}

.site-ai-assistant__bubble--pending {
    color: #475569;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}

.site-ai-assistant__sources {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.site-ai-assistant__source {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 12px;
    line-height: 1.3;
}

.site-ai-assistant__form {
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    padding: 14px 18px 18px;
    background: rgba(255, 255, 255, 0.78);
}

.site-ai-assistant__form textarea {
    width: 100%;
    resize: none;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 12px 14px;
    min-height: 88px;
    font-size: 13px;
    line-height: 1.6;
    background: rgba(255, 255, 255, 0.94);
    color: #0f172a;
}

.site-ai-assistant__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
}

.site-ai-assistant__hint {
    color: #64748b;
    font-size: 12px;
    line-height: 1.5;
}

.site-ai-assistant__actions button {
    border: 0;
    border-radius: 999px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #1d4ed8 0%, #0f172a 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}

@media (max-width: 767px) {
    .site-ai-assistant__panel {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 76px;
        width: auto;
        max-height: calc(100vh - 96px);
    }

    .site-ai-assistant__actions {
        align-items: flex-end;
    }
}