/* Message queue controls and overlay styles. */

.om-button.send[data-mode="queue"] {
    box-shadow: none;
}

.om-button.send[data-mode="queue"]:focus-visible {
    background-color: var(--chat-composer-primary-control-hover, var(--chat-composer-primary-control-background));
    color: var(--chat-composer-primary-control-text, var(--background));
    outline: 2px solid var(--surface-elevated-border, var(--primary-color));
    outline-offset: 2px;
}
.chat-queue-chip {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    min-width: 0;
    height: 32px;
    margin-left: 6px;
    border-radius: 999px;
    border: 1px solid var(--chat-composer-border, var(--surface-control-border, var(--border-color)));
    background: var(--chat-composer-control, var(--surface-control-button, var(--background)));
    overflow: hidden;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

/* Keep the queue chip fully hidden until there is at least one queued message. */
.chat-queue-chip[hidden] {
    display: none;
}

.chat-queue-chip.is-paused {
    border-color: color-mix(in srgb, var(--warning-color, #b7791f) 35%, var(--surface-control-border, var(--border-color)));
}

.chat-queue-chip.is-open {
    background: var(--chat-composer-control-hover, var(--surface-interactive-active, var(--hover)));
}

.chat-queue-chip__toggle {
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    height: 100%;
    padding: 0 8px 0 9px;
    border-radius: 999px;
    color: var(--text-color);
    transition: background-color 0.15s ease;
}

.chat-queue-chip__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 15px;
    height: 15px;
    color: var(--text-color-secondary);
    flex-shrink: 0;
}

.chat-queue-chip__icon svg {
    width: 15px;
    height: 15px;
}

.chat-queue-chip__label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
}

.chat-queue-chip__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--chat-composer-control-hover, var(--surface-interactive-active, var(--hover)));
    color: var(--text-color-secondary);
    font-size: 0.68rem;
    font-weight: 650;
    line-height: 1;
}

.chat-queue-chip.is-paused .chat-queue-chip__icon {
    color: var(--warning-color, #b7791f);
}

@media (hover: hover) and (pointer: fine) {
    .chat-queue-chip__toggle:hover {
        background: var(--chat-composer-control-hover, var(--surface-interactive-hover, var(--hover)));
    }
}

.chat-queue-chip__toggle:focus-visible {
    outline: 2px solid var(--surface-elevated-border, var(--primary-color));
    outline-offset: 2px;
}

.chat-queue-chip__toggle:disabled {
    cursor: default;
    opacity: 0.45;
}

@media (max-width: 640px) {
    .chat-queue-chip {
        height: 36px;
        margin-left: 6px;
        width: 36px;
    }

    .chat-queue-chip__toggle {
        width: 100%;
        justify-content: center;
        padding: 0;
    }

    .chat-queue-chip__label {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .chat-queue-chip,
    .chat-queue-chip__toggle {
        transition: none;
    }
}

.message-queue-overlay {
    display: none;
    flex-direction: column;
    max-height: min(300px, 42dvh);
    margin: 2px 2px 10px;
    border: 1px solid var(--surface-control-border, var(--border-color));
    border-radius: 14px;
    overflow: hidden;
    position: relative;
}

.message-queue-overlay.open {
    display: flex;
}

.message-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: 6px 8px 6px 12px;
    gap: 8px;
    border-bottom: 1px solid var(--surface-control-border, var(--border-color));
}

.message-queue-heading {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 8px;
}

.message-queue-title {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 7px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-color);
}

.message-queue-title > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-queue-title-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 15px;
    height: 15px;
    color: var(--text-color-secondary);
    flex: 0 0 auto;
}

.message-queue-title-icon svg {
    width: 15px;
    height: 15px;
}

.message-queue-meta {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.72rem;
    color: var(--text-color-secondary);
    white-space: nowrap;
}

.message-queue-meta::before {
    content: "";
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-color-secondary);
    opacity: 0.55;
}

.message-queue-header-actions {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    flex: 0 0 auto;
}

.message-queue-header-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-color-secondary);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.message-queue-header-action svg {
    width: 15px;
    height: 15px;
}

.message-queue-header-action.is-active {
    color: var(--warning-color, #b7791f);
}

@media (hover: hover) and (pointer: fine) {
    .message-queue-header-action:hover:not(:disabled) {
        background: var(--surface-interactive-hover, var(--hover));
        color: var(--text-color);
    }

    .message-queue-header-action--clear:hover:not(:disabled) {
        background: var(--danger-hover-bg, color-mix(in srgb, var(--error-color) 10%, transparent));
        color: var(--error-color);
    }
}

.message-queue-header-action:focus-visible {
    outline: 2px solid var(--surface-elevated-border, var(--primary-color));
    outline-offset: 1px;
}

.message-queue-header-action:disabled {
    cursor: default;
    opacity: 0.35;
}

.message-queue-list {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.message-queue-empty {
    padding: 22px 16px;
    text-align: center;
    color: var(--text-color-secondary);
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
}

.message-queue-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    min-height: 48px;
    padding: 6px 8px 6px 12px;
    border-bottom: 1px solid var(--surface-control-border, var(--border-color));
    transition: background-color 0.15s ease, opacity 0.15s ease;
}

.message-queue-item:last-child {
    border-bottom: none;
}

@media (hover: hover) and (pointer: fine) {
    .message-queue-item:hover {
        background: var(--surface-interactive-hover, var(--hover));
    }
}

.message-queue-item:focus-within {
    background: var(--surface-interactive-hover, var(--hover));
}

.message-queue-item.dragging {
    opacity: 0.5;
    background: var(--surface-interactive-active, var(--hover));
}

.message-queue-item.drop-target-before,
.message-queue-item.drop-target-after {
    position: relative;
}

.message-queue-item.drop-target-before::before,
.message-queue-item.drop-target-after::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 999px;
}

.message-queue-item.drop-target-before::before {
    top: 4px;
}

.message-queue-item.drop-target-after::after {
    bottom: 4px;
}

.message-queue-item-main {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    width: 100%;
    min-width: 0;
    padding: 3px 0;
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
    text-align: left;
}

.message-queue-item-main:focus-visible {
    outline: 2px solid var(--surface-elevated-border, var(--primary-color));
    outline-offset: 2px;
    border-radius: 7px;
}

.message-queue-item-index {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: var(--surface-muted, var(--input-bg));
    color: var(--text-color-secondary);
    font-size: 0.68rem;
    font-weight: 650;
    flex-shrink: 0;
}

.message-queue-item-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    color: var(--text-color);
}

.message-queue-item-actions {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    flex-shrink: 0;
}

.message-queue-item-message {
    font-size: 0.82rem;
    font-weight: 450;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-queue-item-message--placeholder {
    color: var(--text-color-secondary);
    font-style: italic;
}

.message-queue-item-timestamp {
    font-size: 0.68rem;
    color: var(--text-color-secondary);
}

.message-queue-item-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 0;
    background: transparent;
    border-radius: 8px;
    color: var(--text-color-secondary);
    cursor: pointer;
    opacity: 0.65;
    transition: background-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
    flex-shrink: 0;
}

@media (hover: hover) and (pointer: fine) {
    .message-queue-item-action:hover:not(:disabled) {
        background: var(--surface-interactive-active, var(--hover));
        color: var(--text-color);
        opacity: 1;
    }

    .message-queue-item-delete:hover:not(:disabled) {
        background: var(--danger-hover-bg, color-mix(in srgb, var(--error-color) 10%, transparent));
        color: var(--error-color);
    }
}

.message-queue-item-action:focus-visible {
    outline: 2px solid var(--surface-elevated-border, var(--primary-color));
    outline-offset: 1px;
    opacity: 1;
}

.message-queue-item-action:disabled {
    cursor: default;
    opacity: 0.45;
    color: var(--text-color-secondary);
}

.message-queue-item-action svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 640px) {
    .message-queue-overlay {
        max-height: min(280px, 45dvh);
        margin-inline: 0;
    }

    .message-queue-meta {
        display: none;
    }

    .message-queue-header {
        min-height: 48px;
        padding-left: 10px;
    }

    .message-queue-item {
        min-height: 52px;
        padding-left: 10px;
    }

    .message-queue-header-action,
    .message-queue-item-action {
        width: 34px;
        height: 34px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .message-queue-header-action,
    .message-queue-item,
    .message-queue-item-action {
        transition: none;
    }
}