/* ==========================================================================
   PPP - To-Do Module Styles
   ========================================================================== */

/* --- To-Do Container --- */
.todo-app {
    max-width: 640px;
    margin: 0 auto;
}

/* --- Add Task Bar --- */
.todo-add {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.todo-add__input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition);
    min-height: 44px; /* touch target */
}

.todo-add__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.todo-add__input::placeholder {
    color: var(--color-text-light);
}

.todo-add__button {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    cursor: pointer;
    transition: background-color var(--transition);
    min-height: 44px; /* touch target */
    display: flex;
    align-items: center;
    justify-content: center;
}

.todo-add__button:hover {
    background-color: var(--color-primary-hover);
}

.todo-add__button:active {
    transform: scale(0.98);
}

/* --- Task List --- */
.todo-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

/* --- Task Item --- */
.todo-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    min-height: 44px; /* touch target */
}

.todo-item:hover {
    border-color: var(--color-text-light);
}

/* Completed state */
.todo-item--completed .todo-item__title {
    text-decoration: line-through;
    color: var(--color-text-light);
}

/* Editing state */
.todo-item--editing {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* --- Checkbox --- */
.todo-item__checkbox {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* --- Task Title --- */
.todo-item__title {
    flex: 1;
    font-size: var(--font-size-base);
    word-break: break-word;
    cursor: pointer;
    padding: var(--space-xs) 0;
}

/* --- Edit Input --- */
.todo-item__edit-input {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text);
    min-height: 36px;
}

.todo-item__edit-input:focus {
    outline: none;
}

/* --- Delete Button --- */
.todo-item__delete {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.todo-item__delete:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-danger);
}

.todo-item__delete:active {
    transform: scale(0.95);
}

/* --- Empty State --- */
.todo-empty {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--color-text-muted);
}

.todo-empty__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.5;
}

.todo-empty__text {
    font-size: var(--font-size-base);
}

/* --- Task Count --- */
.todo-count {
    margin-top: var(--space-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}