:root {
    --ultra-ai-bg: #090b12;
    --ultra-ai-panel: #10141f;
    --ultra-ai-panel-2: #151b2a;
    --ultra-ai-border: rgba(255, 255, 255, 0.12);
    --ultra-ai-text: #f8fafc;
    --ultra-ai-muted: #94a3b8;
    --ultra-ai-primary: #6366f1;
    --ultra-ai-accent: #10b981;
}

.ultra-ai-nudge,
.ultra-ai-fab,
.ultra-ai-panel {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ultra-ai-nudge {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 9998;
    width: min(380px, calc(100vw - 32px));
    padding: 18px;
    border: 1px solid var(--ultra-ai-border);
    border-radius: 14px;
    background: rgba(9, 11, 18, 0.94);
    color: var(--ultra-ai-text);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(18px);
    transform: translateY(18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.ultra-ai-nudge.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.ultra-ai-nudge-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ultra-ai-accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.ultra-ai-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ultra-ai-accent);
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0.12);
}

.ultra-ai-nudge h3 {
    margin: 0 0 8px;
    font-size: 18px;
    line-height: 1.25;
    letter-spacing: 0;
}

.ultra-ai-nudge p {
    margin: 0;
    color: var(--ultra-ai-muted);
    font-size: 14px;
    line-height: 1.55;
}

.ultra-ai-nudge-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.ultra-ai-button {
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
    color: var(--ultra-ai-text);
    background: var(--ultra-ai-primary);
}

.ultra-ai-button.secondary {
    background: transparent;
    border: 1px solid var(--ultra-ai-border);
    color: var(--ultra-ai-muted);
}

.ultra-ai-fab {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 9997;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 52px;
    padding: 11px 16px 11px 10px;
    border: 1px solid rgba(16, 185, 129, 0.38);
    border-radius: 999px;
    background: rgba(9, 11, 18, 0.9);
    color: var(--ultra-ai-text);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34), 0 0 0 4px rgba(16, 185, 129, 0.08);
    cursor: pointer;
}

.ultra-ai-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #fff;
    font-weight: 900;
    background: linear-gradient(135deg, var(--ultra-ai-primary), var(--ultra-ai-accent));
}

.ultra-ai-fab span:last-child {
    font-size: 13px;
    font-weight: 800;
}

.ultra-ai-panel {
    position: fixed;
    right: 22px;
    bottom: 82px;
    z-index: 9999;
    display: none;
    flex-direction: column;
    width: min(430px, calc(100vw - 32px));
    height: min(680px, calc(100vh - 108px));
    border: 1px solid var(--ultra-ai-border);
    border-radius: 16px;
    background: var(--ultra-ai-bg);
    color: var(--ultra-ai-text);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.ultra-ai-panel.open {
    display: flex;
}

.ultra-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 14px 12px;
    border-bottom: 1px solid var(--ultra-ai-border);
    background: var(--ultra-ai-panel);
}

.ultra-ai-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.ultra-ai-title {
    font-size: 14px;
    font-weight: 850;
    white-space: nowrap;
}

.ultra-ai-subtitle {
    margin-top: 2px;
    color: var(--ultra-ai-muted);
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ultra-ai-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.ultra-ai-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--ultra-ai-border);
    border-radius: 9px;
    background: transparent;
    color: var(--ultra-ai-muted);
    cursor: pointer;
}

.ultra-ai-live-button {
    width: 52px;
    font-size: 10px;
    font-weight: 850;
    letter-spacing: 0;
}

.ultra-ai-icon-button.active {
    color: var(--ultra-ai-accent);
    border-color: rgba(16, 185, 129, 0.45);
    background: rgba(16, 185, 129, 0.08);
}

.ultra-ai-messages {
    flex: 1;
    padding: 14px;
    overflow-y: auto;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.08), transparent 34%), var(--ultra-ai-bg);
}

.ultra-ai-message {
    max-width: 88%;
    margin-bottom: 10px;
    padding: 11px 12px;
    border-radius: 13px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.ultra-ai-message.assistant {
    background: var(--ultra-ai-panel-2);
    color: var(--ultra-ai-text);
    border-bottom-left-radius: 4px;
}

.ultra-ai-message.user {
    margin-left: auto;
    color: #fff;
    background: var(--ultra-ai-primary);
    border-bottom-right-radius: 4px;
}

.ultra-ai-message.meta {
    max-width: 100%;
    padding: 0;
    color: var(--ultra-ai-muted);
    background: transparent;
    font-size: 11px;
    text-align: center;
}

.ultra-ai-chips {
    display: flex;
    gap: 8px;
    padding: 10px 14px 0;
    overflow-x: auto;
    background: var(--ultra-ai-bg);
}

.ultra-ai-chip {
    flex: 0 0 auto;
    border: 1px solid var(--ultra-ai-border);
    border-radius: 999px;
    padding: 7px 10px;
    color: var(--ultra-ai-muted);
    background: transparent;
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.ultra-ai-form {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--ultra-ai-border);
    background: var(--ultra-ai-panel);
}

.ultra-ai-input {
    flex: 1;
    min-height: 42px;
    max-height: 110px;
    resize: none;
    border: 1px solid var(--ultra-ai-border);
    border-radius: 11px;
    padding: 11px 12px;
    color: var(--ultra-ai-text);
    background: rgba(255, 255, 255, 0.04);
    font: inherit;
    font-size: 13px;
    line-height: 1.35;
    outline: none;
}

.ultra-ai-input:focus {
    border-color: rgba(99, 102, 241, 0.65);
}

.ultra-ai-send {
    min-width: 42px;
    height: 42px;
    border: 0;
    border-radius: 11px;
    color: #fff;
    background: var(--ultra-ai-primary);
    font-weight: 900;
    cursor: pointer;
}

.ultra-ai-footnote {
    padding: 0 14px 12px;
    color: var(--ultra-ai-muted);
    background: var(--ultra-ai-panel);
    font-size: 10px;
    line-height: 1.4;
}

@media (max-width: 640px) {
    .ultra-ai-nudge,
    .ultra-ai-fab {
        right: 14px;
        bottom: 14px;
    }

    .ultra-ai-panel {
        right: 10px;
        bottom: 70px;
        width: calc(100vw - 20px);
        height: min(640px, calc(100vh - 90px));
    }

    .ultra-ai-title {
        white-space: normal;
        line-height: 1.15;
    }

    .ultra-ai-subtitle {
        max-width: 210px;
    }
}

@media print {
    #ultraAiRoot {
        display: none !important;
    }
}