:root {
    --ai-shell-navy: #10243f;
    --ai-shell-blue: #4a90e2;
    --ai-shell-border: #dbe3ef;
    --ai-shell-shadow: 0 20px 55px rgba(7, 22, 41, 0.24);
}

.ai-companion-shell,
.ai-companion-shell *,
.ai-companion-shell *::before,
.ai-companion-shell *::after {
    box-sizing: border-box;
}

.ai-companion-shell {
    position: fixed;
    z-index: 1050;
    left: auto;
    top: auto;
    right: 88px;
    bottom: 24px;
    width: 460px;
    height: min(620px, calc(100vh - 48px));
    color: #1f2937;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    pointer-events: none;
}

.ai-companion-shell > * {
    pointer-events: auto;
}

.ai-companion-panel {
    position: relative;
    display: flex;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--ai-shell-border);
    border-top: 4px solid var(--ai-shell-blue);
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--ai-shell-shadow);
}

.ai-companion-panel[hidden],
.ai-companion-compact[hidden],
.ai-companion-launcher[hidden] {
    display: none !important;
}

.ai-companion-header {
    display: flex;
    flex: 0 0 auto;
    min-height: 68px;
    align-items: center;
    gap: 0.65rem;
    border-bottom: 1px solid #e5e7eb;
    background: #fff;
    padding: 0.62rem 0.72rem;
    cursor: grab;
    touch-action: none;
    user-select: none;
}

.ai-companion-shell.is-dragging .ai-companion-header,
.ai-companion-shell.is-dragging .ai-companion-header * {
    cursor: grabbing !important;
}

.ai-companion-grip {
    display: inline-flex;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    font: inherit;
    font-size: 1rem;
    letter-spacing: -0.2em;
    cursor: grab;
    touch-action: none;
}

.ai-companion-grip:hover {
    background: #f1f5f9;
    color: var(--ai-shell-navy);
}

.ai-companion-shell.is-dragging .ai-companion-grip,
.ai-companion-grip:active {
    cursor: grabbing;
}

.ai-companion-panel.is-surface-entering,
.ai-companion-compact.is-surface-entering,
.ai-companion-launcher.is-surface-entering {
    animation: ai-companion-surface-in 180ms cubic-bezier(0.22, 1, 0.36, 1) both;
    will-change: opacity, transform;
}

.ai-companion-panel.is-surface-leaving,
.ai-companion-compact.is-surface-leaving,
.ai-companion-launcher.is-surface-leaving {
    animation: ai-companion-surface-out 140ms ease-in both;
    pointer-events: none;
    will-change: opacity, transform;
}

@keyframes ai-companion-surface-in {
    from {
        opacity: 0;
        transform: translateY(7px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes ai-companion-surface-out {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    to {
        opacity: 0;
        transform: translateY(5px) scale(0.985);
    }
}

.ai-companion-avatar,
.ai-companion-launcher__icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--ai-shell-navy);
    color: #fff;
}

.ai-companion-avatar {
    width: 38px;
    height: 38px;
}

.ai-companion-avatar svg,
.ai-companion-launcher__icon svg {
    width: 21px;
    height: 21px;
    fill: currentColor;
}

.ai-companion-heading {
    min-width: 0;
    flex: 1 1 auto;
}

.ai-companion-heading p {
    overflow: hidden;
    margin: 0 0 0.08rem;
    color: #357abd;
    font-size: 0.63rem;
    font-weight: 800;
    letter-spacing: 0.075em;
    line-height: 1.2;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.ai-companion-heading h2 {
    overflow: hidden;
    margin: 0;
    color: var(--ai-shell-navy);
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ai-companion-controls {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.25rem;
}

.ai-companion-controls button {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #475569;
    font: inherit;
    font-size: 1.05rem;
    cursor: pointer;
}

.ai-companion-controls button:hover {
    background: #f1f5f9;
    color: var(--ai-shell-navy);
}

.ai-companion-content {
    display: flex;
    min-width: 0;
    min-height: 0;
    flex: 1 1 auto;
    flex-direction: column;
    overflow: hidden;
}

.ai-companion-resize {
    position: absolute;
    right: 0;
    bottom: 0;
    display: block;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    cursor: nwse-resize;
    touch-action: none;
}

.ai-companion-resize span::before,
.ai-companion-resize span::after {
    position: absolute;
    right: 7px;
    bottom: 7px;
    width: 10px;
    height: 1px;
    background: #64748b;
    content: "";
    transform: rotate(-45deg);
    transform-origin: right center;
}

.ai-companion-resize span::after {
    width: 17px;
}

.ai-companion-compact {
    position: relative;
    display: flex;
    width: 100%;
    height: 52px;
    align-items: stretch;
    overflow: hidden;
    border: 1px solid var(--ai-shell-border);
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(7, 22, 41, 0.2);
}

.ai-companion-grip--compact {
    width: 44px;
    height: 50px;
    border-right: 1px solid #e5e7eb;
    border-radius: 0;
}

.ai-companion-compact__restore {
    display: grid;
    min-width: 0;
    flex: 1 1 auto;
    align-content: center;
    border: 0;
    background: #fff;
    color: var(--ai-shell-navy);
    padding: 0.35rem 0.75rem;
    text-align: left;
    cursor: pointer;
}

.ai-companion-compact__restore:hover {
    background: #f8fbff;
}

.ai-companion-compact__identity,
.ai-companion-compact__status {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ai-companion-compact__identity {
    font-size: 0.82rem;
    font-weight: 800;
}

.ai-companion-compact__status {
    color: #64748b;
    font-size: 0.68rem;
    font-weight: 600;
}

.ai-companion-launcher {
    display: none;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border: 1px solid #2f75bd;
    border-radius: 999px;
    background: var(--ai-shell-blue);
    box-shadow: 0 12px 30px rgba(7, 22, 41, 0.25);
    color: #fff;
    padding: 0.45rem 0.92rem 0.45rem 0.48rem;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 800;
    cursor: pointer;
}

.ai-companion-launcher__icon {
    width: 38px;
    height: 38px;
}

.ai-companion-attention-dot {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    border: 2px solid #fff;
    border-radius: 50%;
    background: #f59e0b;
}

.ai-companion-compact > .ai-companion-attention-dot {
    position: absolute;
    top: 8px;
    right: 8px;
}

.ai-companion-shell button:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.42);
    outline-offset: 2px;
}

.ai-companion-reflected-field {
    border-color: #2563eb !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2) !important;
}

body.dm-ai-companion-dragging {
    cursor: grabbing;
    user-select: none;
}

@media (max-width: 767.98px) {
    .ai-companion-shell {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
        left: auto !important;
        top: auto !important;
        width: auto !important;
        height: auto !important;
    }

    .ai-companion-launcher {
        display: inline-flex;
    }

    .ai-companion-compact {
        display: none !important;
    }

    .ai-companion-shell.is-mobile-open {
        z-index: 1065;
        inset: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
    }

    .ai-companion-shell.is-mobile-open .ai-companion-launcher {
        display: none;
    }

    .ai-companion-shell.is-mobile-open .ai-companion-panel {
        display: flex;
    }

    .ai-companion-panel {
        width: 100%;
        height: 100%;
        border: 0;
        border-top: 4px solid var(--ai-shell-blue);
        border-radius: 0;
        padding-top: env(safe-area-inset-top);
        box-shadow: none;
    }

    .ai-companion-header {
        min-height: 62px;
        padding-right: max(0.72rem, env(safe-area-inset-right));
        padding-left: max(0.72rem, env(safe-area-inset-left));
        cursor: default;
        touch-action: auto;
    }

    .ai-companion-grip,
    .ai-companion-resize,
    [data-ai-shell-reset] {
        display: none !important;
    }

    .ai-companion-content {
        padding-bottom: env(safe-area-inset-bottom);
    }

    body.dm-ai-companion-mobile-open {
        overflow: hidden;
    }

    body.dm-ai-companion-mobile-open #dm-support-chat {
        visibility: hidden;
        pointer-events: none;
    }
}

@media (forced-colors: active) {
    .ai-companion-panel,
    .ai-companion-compact,
    .ai-companion-launcher {
        border: 2px solid ButtonText;
    }

    .ai-companion-reflected-field {
        outline: 3px solid Highlight !important;
        outline-offset: 2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-companion-shell *,
    .ai-companion-shell *::before,
    .ai-companion-shell *::after,
    .ai-companion-reflected-field {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}