/* Activity overlay panel (slides in from right) */
.activity-overlay-backdrop {
    position: fixed;
    inset: 0;
    background: var(--modal-overlay-bg);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-in-out);
}

.activity-overlay-backdrop.visible {
    opacity: 1;
}

.activity-panel-overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    max-width: 100vw;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-in-out),
                box-shadow var(--duration-slow) var(--ease-in-out);
    box-shadow: none;
}

.activity-panel-overlay.visible {
    transform: translateX(0);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
}

.activity-overlay-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.activity-overlay-close {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.activity-overlay-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Activity loading state */
.activity-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 48px 0;
}

.activity-loading .loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-light);
    border-top-color: var(--accent-blue);
    border-radius: var(--radius-circle);
    animation: activitySpin 0.6s linear infinite;
}

@keyframes activitySpin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .activity-panel-overlay,
    .activity-overlay-backdrop {
        transition: none;
    }
    .sidebar-notification-dot {
        animation: none;
    }
}

/* Dark mode overrides — card rows */
[data-theme="dark"] .inbox-view .task-row,
[data-theme="dark"] .today-view .task-row,
[data-theme="dark"] .area-view .task-row,
[data-theme="dark"] .tasks-view .task-row,
[data-theme="dark"] .project-modal-main .task-row {
    border-color: rgba(255, 255, 255, 0.06);
    border-left-color: var(--area-color, rgba(255, 255, 255, 0.06));
}

[data-theme="dark"] .inbox-view .task-row:hover,
[data-theme="dark"] .today-view .task-row:hover,
[data-theme="dark"] .area-view .task-row:hover,
[data-theme="dark"] .tasks-view .task-row:hover,
[data-theme="dark"] .project-modal-main .task-row:hover {
    box-shadow: var(--shadow-2);
}

[data-theme="dark"] .inbox-view .new-task-row,
[data-theme="dark"] .today-view .new-task-row:not(.today-tasks-header .new-task-row),
[data-theme="dark"] .area-view .new-task-row,
[data-theme="dark"] .tasks-view .new-task-row,
[data-theme="dark"] .project-modal-main .new-task-row {
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .activity-tabs {
    background: rgba(255, 255, 255, 0.06);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .inbox-view .task-row,
    :root:not([data-theme="light"]) .today-view .task-row,
    :root:not([data-theme="light"]) .area-view .task-row,
    :root:not([data-theme="light"]) .tasks-view .task-row,
    :root:not([data-theme="light"]) .project-modal-main .task-row {
        border-color: rgba(255, 255, 255, 0.06);
        border-left-color: var(--area-color, rgba(255, 255, 255, 0.06));
    }
    :root:not([data-theme="light"]) .inbox-view .task-row:hover,
    :root:not([data-theme="light"]) .today-view .task-row:hover,
    :root:not([data-theme="light"]) .area-view .task-row:hover,
    :root:not([data-theme="light"]) .tasks-view .task-row:hover,
    :root:not([data-theme="light"]) .project-modal-main .task-row:hover {
        box-shadow: var(--shadow-2);
    }
    :root:not([data-theme="light"]) .inbox-view .new-task-row,
    :root:not([data-theme="light"]) .today-view .new-task-row:not(.today-tasks-header .new-task-row),
    :root:not([data-theme="light"]) .area-view .new-task-row,
    :root:not([data-theme="light"]) .tasks-view .new-task-row,
    :root:not([data-theme="light"]) .project-modal-main .new-task-row {
        border-color: rgba(255, 255, 255, 0.06);
    }
    :root:not([data-theme="light"]) .activity-tabs {
        background: rgba(255, 255, 255, 0.06);
    }
}

/* Activity item entity badge */
.activity-item-entity {
    display: inline-block;
    font-size: var(--font-size-2xs);
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(74, 144, 217, 0.1);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    margin-right: 8px;
}

/* Activity item icon (for update items) */
.activity-item-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-circle);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-item-icon svg {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
}

/* Type-based icon colors */
.activity-item-icon.activity-icon-completed {
    background: rgba(74, 144, 217, 0.12);
}

.activity-item-icon.activity-icon-completed svg {
    color: var(--accent-blue, #4A90D9);
}

.activity-item-icon.activity-icon-warm {
    background: rgba(245, 158, 11, 0.12);
}

.activity-item-icon.activity-icon-warm svg {
    color: var(--color-amber-text);
}

.activity-item-icon.activity-icon-insight {
    background: rgba(139, 92, 246, 0.12);
}

.activity-item-icon.activity-icon-insight svg {
    color: var(--color-purple-text);
}