/* Pivot App - What's pulling at you? */

.app-container {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.pivot-intro {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.pivot-intro__heading {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.pivot-intro__subtitle {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

.pivot-form {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
}

.pivot-form__input-row {
    display: flex;
    gap: var(--spacing-sm);
}

.pivot-form__input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-md);
}

.pivot-form__input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    border-color: transparent;
}

.pivot-form__input::placeholder {
    color: var(--text-tertiary);
}

.pivot-form__add {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.pivot-form__add:hover {
    opacity: 0.9;
}

.pivot-form__add:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pivot-tasks {
    margin-top: var(--spacing-lg);
}

.pivot-tasks__heading {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.pivot-tasks__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.pivot-task {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
}

.pivot-task__checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.pivot-task__label {
    flex: 1;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    line-height: 1.4;
}

.pivot-task--done .pivot-task__label {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

.pivot-task--done {
    opacity: 0.6;
}

.pivot-task__move {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1;
    border-radius: var(--border-radius-sm);
    transition: color 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pivot-task__move:hover {
    color: var(--color-info, #3b82f6);
}

.pivot-task__remove {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--font-size-md);
    line-height: 1;
    border-radius: var(--border-radius-sm);
    transition: color 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pivot-task__remove:hover {
    color: var(--color-danger, #ef4444);
}

.pivot-empty {
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--font-size-md);
    padding: var(--spacing-xl) 0;
}

/* ── Task Animations ──────────────────────────── */

@keyframes pivot-task-fade-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pivot-task-fade-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(8px);
    }
}

.pivot-task--adding {
    animation: pivot-task-fade-in 0.2s ease forwards;
}

.pivot-task--removing {
    animation: pivot-task-fade-out 0.2s ease forwards;
}

/* ── Move Menu ────────────────────────────────── */

.pivot-move-menu {
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 10;
    min-width: 160px;
    max-width: calc(100vw - 2rem);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 12px rgb(0 0 0 / 10%);
    padding: var(--spacing-xs) 0;
    animation: pivot-task-fade-in 0.15s ease;
}

.pivot-move-menu__option {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-family: inherit;
}

.pivot-move-menu__option:hover {
    background: var(--bg-secondary);
}

.pivot-move-menu__empty {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-style: italic;
}

/* ── Lists Section ─────────────────────────────── */

.pivot-lists {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.pivot-lists__heading {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.pivot-list {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.pivot-list__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.pivot-list__toggle {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1;
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pivot-list__chevron {
    display: inline-block;
    transition: transform 0.15s ease;
}

.pivot-list__name {
    flex: 1;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    padding: 2px 4px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pivot-list__name:hover {
    background: var(--bg-primary);
}

.pivot-list__name[contenteditable="true"] {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    background: var(--bg-primary);
    white-space: normal;
}

.pivot-list__count {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    background: var(--bg-primary);
    border-radius: 10px;
    padding: 1px 8px;
    flex-shrink: 0;
}

.pivot-list__delete {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--font-size-md);
    line-height: 1;
    border-radius: var(--border-radius-sm);
    transition: color 0.2s ease;
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pivot-list__delete:hover {
    color: var(--color-danger, #ef4444);
}

.pivot-list__body {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.pivot-list--collapsed .pivot-list__body {
    display: none;
}

.pivot-list__body .pivot-tasks__list {
    margin-bottom: var(--spacing-sm);
}

.pivot-list__body .pivot-task {
    background: var(--bg-primary);
}

.pivot-list__empty {
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-md) 0;
}

.pivot-list__add-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.pivot-list__add-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
}

.pivot-list__add-input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    border-color: transparent;
}

.pivot-list__add-input::placeholder {
    color: var(--text-tertiary);
}

.pivot-list__add-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.pivot-list__add-btn:hover {
    opacity: 0.9;
}

.pivot-list__add-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* New list button */

.pivot-lists__new-btn {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    color: var(--text-tertiary);
    font-size: var(--font-size-md);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.pivot-lists__new-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pivot-lists__new-row {
    margin-bottom: var(--spacing-md);
}

@media (max-width: 480px) {
    .app-container {
        max-width: 100%;
        padding: var(--spacing-md);
    }
}

/* ── Reduced Motion ───────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .pivot-task--adding,
    .pivot-task--removing,
    .pivot-task__remove,
    .pivot-task__move,
    .pivot-list__toggle,
    .pivot-list__chevron,
    .pivot-list__delete,
    .pivot-form__add,
    .pivot-list__add-btn,
    .pivot-lists__new-btn,
    .pivot-move-menu {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}