/* ==========================================================================
   PPP - Bookmark Module Styles (Kanban Board)
   --------------------------------------------------------------------------
   Mirrors the To-Do board layout but with bookmark-specific item styling:
   clickable links (title + URL display) instead of checkboxes/notes.
   ========================================================================== */

/* ==========================================================================
   Board Layout
   --------------------------------------------------------------------------
   Horizontal flex with horizontal scroll on desktop, vertical stack on mobile.
   ========================================================================== */
.bm-board {
    width: 100%;
}

.bm-board__columns {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

/* Desktop: horizontal scroll */
@media (min-width: 768px) {
    .bm-board__columns {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: var(--space-md); /* room for scrollbar */
        -webkit-overflow-scrolling: touch;
        width: 100%;
    }
}

/* Mobile: vertical stack */
@media (max-width: 767px) {
    .bm-board__columns {
        flex-direction: column;
    }
}

/* ==========================================================================
   Column (List)
   ========================================================================== */
.bm-column {
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm);
}

/* Desktop: flexible columns that grow to fill available width */
@media (min-width: 768px) {
    .bm-column {
        flex: 1 1 300px;
        min-width: 280px;
        max-width: 440px;
        max-height: calc(100vh - 160px);
    }
}

/* Mobile: full width */
@media (max-width: 767px) {
    .bm-column {
        width: 100%;
    }
}

/* --- Column Header --- */
.bm-column__header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-xs) var(--space-sm);
    border-bottom: var(--border-width) solid var(--color-border);
    margin-bottom: var(--space-sm);
}

/* --- Column Drag Handle (grip icon) --- */
.bm-column__drag-handle {
    flex-shrink: 0;
    width: 24px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    color: var(--color-text-light);
    touch-action: none; /* critical: prevents scroll hijack on touch */
    user-select: none;
    -webkit-user-select: none;
    border-radius: var(--border-radius-sm);
    transition: color var(--transition), background var(--transition);
}

.bm-column__drag-handle:hover {
    color: var(--color-text-muted);
    background-color: var(--color-surface-hover);
}

.bm-column__drag-handle:active {
    cursor: grabbing;
}

.bm-column__drag-handle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.bm-column__drag-handle svg {
    width: 16px;
    height: 16px;
    pointer-events: none;
}

/* --- Column Name (click to rename) --- */
.bm-column__name {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--space-xs) var(--space-xs);
    border-radius: var(--border-radius-sm);
    word-break: break-word;
    transition: background var(--transition);
    min-width: 0;
}

.bm-column__name:hover {
    background-color: var(--color-surface-hover);
}

/* --- Column Name Edit Input --- */
.bm-column__name-input {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: inherit;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    padding: var(--space-xs) var(--space-sm);
    min-width: 0;
    min-height: 36px;
}

.bm-column__name-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* --- Column Bookmark Count Badge --- */
.bm-column__count {
    flex-shrink: 0;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    border-radius: 999px;
    font-variant-numeric: tabular-nums;
}

/* --- Column Delete Button --- */
.bm-column__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);
}

.bm-column__delete:hover:not(:disabled) {
    background-color: var(--color-surface-hover);
    color: var(--color-danger);
}

.bm-column__delete:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* --- Column Dragging State --- */
.bm-column--dragging {
    opacity: 0.9;
    border: 2px dashed var(--color-primary);
    box-shadow: var(--shadow-md);
    cursor: grabbing;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    z-index: 10;
}

/* --- Orphan ("Unassigned") Column --- */
.bm-column--orphan {
    border-style: dashed;
    border-color: var(--color-warning);
}

.bm-column--orphan .bm-column__name {
    color: var(--color-warning);
}

/* ==========================================================================
   Add Bookmark Bar (per-column) — two inputs (title + url) + button
   ========================================================================== */
.bm-add {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.bm-add__title,
.bm-add__url {
    width: 100%;
    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-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
    min-height: 44px; /* touch target */
    min-width: 0;
    box-sizing: border-box;
}

.bm-add__title:focus,
.bm-add__url:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.bm-add__title::placeholder,
.bm-add__url::placeholder {
    color: var(--color-text-light);
}

.bm-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;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

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

/* ==========================================================================
   Bookmark List (within a column)
   ========================================================================== */
.bm-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    overflow-y: auto;
    flex: 1;
    min-height: 40px;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 0;
}

/* ==========================================================================
   Bookmark Item
   --------------------------------------------------------------------------
   A compact, single-line clickable link card.
   Flex row: drag-handle | link (title only) | edit | delete
   The URL is not displayed — it's accessible via the Edit button.
   ========================================================================== */
.bm-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    min-height: 36px;
}

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

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

/* --- Item Row (flex container) --- */
.bm-item__row {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex: 1;
    min-width: 0;
}

/* --- Drag Handle (grip icon) --- */
.bm-item__drag-handle {
    flex-shrink: 0;
    width: 20px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    color: var(--color-text-light);
    touch-action: none; /* critical: prevents scroll hijack on touch */
    user-select: none;
    -webkit-user-select: none;
    border-radius: var(--border-radius-sm);
    transition: color var(--transition), background var(--transition);
}

.bm-item__drag-handle:hover {
    color: var(--color-text-muted);
    background-color: var(--color-surface-hover);
}

.bm-item__drag-handle:active {
    cursor: grabbing;
}

.bm-item__drag-handle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.bm-item__drag-handle svg {
    width: 14px;
    height: 14px;
    pointer-events: none;
}

/* --- Link (clickable area: title only, single line) --- */
.bm-item__link {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    min-width: 0;
    text-decoration: none;
    color: var(--color-text);
    padding: var(--space-xs);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition);
}

.bm-item__link:hover {
    background-color: var(--color-surface-hover);
}

.bm-item__link:active {
    background-color: var(--color-surface);
}

/* --- Bookmark Title (single line, truncated) --- */
.bm-item__title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

/* --- Edit Button --- */
.bm-item__edit {
    flex-shrink: 0;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    min-height: 36px;
}

.bm-item__edit:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.bm-item__edit:active {
    transform: scale(0.95);
}

/* --- Delete Button --- */
.bm-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);
}

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

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

/* --- Inline Edit Form (two inputs) --- */
.bm-item__edit-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-width: 0;
}

.bm-item__edit-title,
.bm-item__edit-url {
    width: 100%;
    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-bg);
    color: var(--color-text);
    min-height: 36px;
    min-width: 0;
    box-sizing: border-box;
}

.bm-item__edit-title:focus,
.bm-item__edit-url:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.bm-empty[hidden] {
    display: none;
}

.bm-empty__icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    opacity: 0.5;
}

.bm-empty__text {
    font-size: var(--font-size-sm);
}

/* --- Bookmark Count --- */
.bm-count {
    margin: 0;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==========================================================================
   Footer (count only — no clear-completed for bookmarks)
   ========================================================================== */
.bm-footer {
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.bm-footer[hidden] {
    display: none;
}

/* ==========================================================================
   Bookmark Drag-and-Drop States
   ========================================================================== */
.bm-item--dragging {
    opacity: 0.85;
    border: 2px dashed var(--color-primary);
    box-shadow: var(--shadow-md);
    cursor: grabbing;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    z-index: 10;
}

/* ==========================================================================
   Add List UI (button + inline form at the end of the columns row)
   ========================================================================== */
.bm-board__add-column {
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .bm-board__add-column {
        width: 260px;
    }
}

@media (max-width: 767px) {
    .bm-board__add-column {
        width: 100%;
    }
}

.bm-board__add-btn {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    font-weight: 500;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border: var(--border-width) dashed var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
}

.bm-board__add-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.bm-board__add-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    min-height: 44px;
    box-sizing: border-box;
}

.bm-board__add-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.bm-board__add-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.bm-board__add-confirm {
    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;
    flex: 1;
}

.bm-board__add-confirm:hover {
    background-color: var(--color-primary-hover);
}

.bm-board__add-cancel {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    line-height: 1;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.bm-board__add-cancel:hover {
    color: var(--color-danger);
    border-color: var(--color-danger);
}