.mt-assistant {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: var(--z-assistant);
    display: grid;
    justify-items: end;
    gap: 0.75rem;
    max-width: calc(100vw - 2rem);
    pointer-events: none;
}

.mt-assistant > * {
    pointer-events: auto;
}

.mt-assistant__toggle {
    display: grid;
    place-items: center;
    width: 3.35rem;
    height: 3.35rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(34, 37, 43, 0.96), rgba(13, 15, 19, 0.96));
    color: var(--color-accent);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38), 0 0 18px var(--glow-soft);
    transition:
        transform var(--transition-fast) var(--ease-mastertech),
        border-color var(--transition-fast) var(--ease-mastertech),
        box-shadow var(--transition-normal) var(--ease-mastertech);
}

.mt-assistant__toggle:hover {
    transform: translateY(-2px);
    border-color: var(--border-accent);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.42), 0 0 22px var(--glow-medium);
}

.mt-assistant__toggle svg {
    width: 1.25rem;
    height: 1.25rem;
}

.mt-assistant__toggle.is-open {
    border-color: var(--border-accent);
}

.mt-assistant__panel {
    display: none;
    width: min(24.5rem, calc(100vw - 2rem));
    max-height: min(36rem, calc(100dvh - 6.5rem));
    overflow: hidden;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-card);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%), var(--color-surface);
    box-shadow: var(--shadow-card), 0 0 28px var(--glow-soft);
}

.mt-assistant__panel.is-open {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
}

.mt-assistant__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 0.95rem;
    border-bottom: 1px solid var(--border-default);
}

.mt-assistant__title {
    color: var(--color-title);
    font-family: var(--font-ui);
    font-size: var(--text-small);
    font-weight: 600;
}

.mt-assistant__close {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--border-default);
    border-radius: 999px;
    color: var(--color-text-muted);
}

.mt-assistant__close:hover {
    color: var(--color-title);
    border-color: var(--border-accent);
}

.mt-assistant__log {
    display: grid;
    align-content: start;
    gap: 0.7rem;
    min-height: 9rem;
    overflow: auto;
    padding: 0.9rem;
}

.mt-assistant__bubble {
    max-width: 92%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border-default);
    border-radius: 0.9rem;
    color: var(--color-text);
    font-size: var(--text-small);
    line-height: 1.5;
}

.mt-assistant__bubble--bot {
    justify-self: start;
    background: rgba(8, 11, 15, 0.72);
}

.mt-assistant__bubble--user {
    justify-self: end;
    border-color: var(--border-accent);
    background: rgba(255, 87, 34, 0.08);
}

.mt-assistant__actions,
.mt-assistant__suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.mt-assistant__suggestions {
    padding: 0 0.9rem 0.35rem;
}

.mt-assistant__chip,
.mt-assistant__link {
    display: inline-flex;
    align-items: center;
    min-height: 1.85rem;
    padding: 0.28rem 0.65rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-pill);
    background: rgba(20, 23, 28, 0.88);
    color: var(--color-text);
    font-family: var(--font-ui);
    font-size: var(--text-caption);
    font-weight: 500;
}

.mt-assistant__chip:hover,
.mt-assistant__link:hover {
    border-color: var(--border-accent);
    color: var(--color-title);
}

.mt-assistant__composer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    padding: 0.75rem 0.9rem 0.9rem;
    border-top: 1px solid var(--border-default);
}

.mt-assistant__composer input {
    min-height: 2.5rem;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-small);
    background: rgba(8, 11, 15, 0.72);
    color: var(--color-text);
}

.mt-assistant__composer button {
    min-height: 2.5rem;
    padding: 0 0.9rem;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-small);
    background: linear-gradient(180deg, rgba(255, 87, 34, 0.16), rgba(255, 87, 34, 0.05));
    color: var(--color-title);
    font-family: var(--font-ui);
    font-size: var(--text-small);
    font-weight: 600;
}

.mt-assistant__footer {
    display: grid;
    gap: 0.55rem;
    padding: 0 0.9rem 0.9rem;
}

@media (max-width: 639px) {
    .mt-assistant__panel.is-open {
        position: fixed;
        inset: max(0.65rem, env(safe-area-inset-top)) max(0.65rem, env(safe-area-inset-right)) 5.1rem max(0.65rem, env(safe-area-inset-left));
        width: auto;
        max-height: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mt-assistant__toggle:hover {
        transform: none;
    }
}