/* ============================================
   Reusable UI Components
   ============================================ */

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}
.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.btn-secondary:hover { background: #475569; }
.btn-outline-muted {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-size: 0.82rem;
}
.btn-outline-muted:hover { background: var(--bg-secondary); color: var(--text-primary); }
.btn-sm {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}
.btn-warning {
    background: var(--warning);
    color: #0f172a;
    font-weight: 600;
}
.btn-warning:hover {
    background: #eab308;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background: #ef4444;
}
.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 0.2rem 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}
.btn-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.btn-icon:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(96, 165, 250, 0.1);
}
.btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Forms
   ============================================ */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}
.form-control, .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,.2);
}

/* Form group flex variants */
.form-group-flex {
    min-width: 250px;
    flex: 1;
    max-width: 350px;
    margin-bottom: 0;
}
.form-group-flex-sm {
    min-width: 150px;
    margin-bottom: 0;
}
.form-group-flex-md {
    min-width: 220px;
    flex: 1;
    max-width: 350px;
    margin-bottom: 0;
}

/* Inline form controls */
.form-control-narrow { width: 70px; }
.form-control-sm { width: 100px; }
.form-select-auto { width: auto; min-width: 70px; }
.form-select-md { width: 150px; }

/* Controls row */
.controls-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 1rem;
}
.controls-row .form-group { margin-bottom: 0; }

/* ============================================
   Searchable Dropdown
   ============================================ */
.search-select {
    position: relative;
}
.search-select-input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
    cursor: pointer;
}
.search-select-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,.15);
    cursor: text;
}
.search-select-input::placeholder {
    color: var(--text-muted);
}
.search-select::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: 1;
}
.search-select-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 60;
    box-shadow: var(--shadow-md);
}
.search-select-dropdown.open {
    display: flex;
    flex-direction: column;
}
.search-select-option {
    padding: 0.5rem 1rem;
    padding-left: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.12s;
    border-left: 2px solid transparent;
}
.search-select-option:hover,
.search-select-option.focused {
    background: var(--bg-body);
    color: var(--text-primary);
    border-left-color: var(--primary);
}
.search-select-option.active {
    color: var(--primary);
    font-weight: 600;
}
.search-select-option.hidden {
    display: none;
}
.search-select-option .match-highlight {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
}
.search-select-empty {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* ============================================
   Feature Search (for checkbox lists)
   ============================================ */
.feature-search-wrapper {
    position: relative;
    margin-bottom: 0.5rem;
}
.feature-search-wrapper.mb-0 { margin-bottom: 0; }
.feature-search-wrapper.flex-fixed { flex: 0 0 200px; }
.feature-search-wrapper.flex-grow { flex: 1; }
.feature-search {
    width: 100%;
    padding: 0.4rem 0.75rem 0.4rem 2rem;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.8rem;
    outline: none;
    transition: border-color 0.2s;
}
.feature-search:focus {
    border-color: var(--primary);
}
.feature-search-wrapper::before {
    content: '';
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.85rem;
    height: 0.85rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
}

/* ============================================
   Checkbox list
   ============================================ */
.checkbox-list {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.5rem;
    background: var(--bg-body);
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: background 0.15s;
    border-left: 2px solid transparent;
}
.checkbox-item:hover {
    background: var(--bg-secondary);
    border-left-color: var(--primary);
}
.checkbox-item.hidden { display: none; }
.checkbox-item input[type=checkbox] {
    accent-color: var(--primary);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* ============================================
   Chips
   ============================================ */
.chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    max-height: 180px;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-body);
}
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.78rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    user-select: none;
}
.chip:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}
.chip.active {
    background: rgba(96, 165, 250, 0.15);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 500;
}
.chip.error {
    background: rgba(239, 68, 68, 0.15);
    border-color: #ef4444;
    color: #ef4444;
    font-weight: 500;
}
.chip.error:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: #dc2626;
    color: #dc2626;
}
.chip.hidden {
    display: none;
}

/* Column type badges (reusable across pages) */
.col-type-badge--integer  { background: rgba(96,165,250,.15); color: var(--type-integer); }
.col-type-badge--float    { background: rgba(167,139,250,.15); color: var(--type-float); }
.col-type-badge--categorical { background: rgba(244,114,182,.15); color: var(--type-categorical); }
.col-type-badge--datetime { background: rgba(250,204,21,.15); color: var(--type-datetime); }
.col-type-badge--boolean  { background: rgba(52,211,153,.15); color: var(--type-boolean); }

/* Type chips */
.type-filter-group {
    display: flex;
    gap: 0.35rem;
    align-items: center;
    flex-wrap: wrap;
}
.type-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 500;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.type-chip:hover { border-color: var(--text-secondary); color: var(--text-secondary); }
.type-chip.active { color: var(--text-primary); }
.type-chip.active.type-chip--integer     { border-color: var(--type-integer); background: rgba(96,165,250,.12); }
.type-chip.active.type-chip--float       { border-color: var(--type-float); background: rgba(167,139,250,.12); }
.type-chip.active.type-chip--categorical { border-color: var(--type-categorical); background: rgba(244,114,182,.12); }
.type-chip.active.type-chip--datetime    { border-color: var(--type-datetime); background: rgba(250,204,21,.12); }
.type-chip.active.type-chip--boolean     { border-color: var(--type-boolean); background: rgba(52,211,153,.12); }

.type-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.type-dot--integer     { background: var(--type-integer); }
.type-dot--float       { background: var(--type-float); }
.type-dot--categorical { background: var(--type-categorical); }
.type-dot--datetime    { background: var(--type-datetime); }
.type-dot--boolean     { background: var(--type-boolean); }

/* ============================================
   Tabs
   ============================================ */
.tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    position: sticky;
    top: 108px;
    z-index: 49;
    box-shadow: var(--shadow);
}
.tab {
    flex: 1;
    padding: 0.7rem 1.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: none;
    background: transparent;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.tab:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,.05);
}
.tab.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}
.tab svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.tab-panel { display: none; }
.tab-panel.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Alert
   ============================================ */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-error {
    background: rgba(248,113,113,.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}
.alert-success {
    background: rgba(52,211,153,.1);
    border: 1px solid var(--accent);
    color: var(--accent);
}
.alert-warning {
    background: rgba(251,191,36,.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* ============================================
   Tooltip
   ============================================ */
.tooltip {
    position: relative;
    cursor: help;
}
.tooltip-content {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.6rem 0.8rem;
    min-width: 160px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    text-align: left;
    font-size: 0.75rem;
    pointer-events: none;
    white-space: nowrap;
}
.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--border-color);
}
.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Toast notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 4.5rem;
    right: 1rem;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    pointer-events: auto;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3.5s forwards;
    max-width: 400px;
}
.toast--success {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
}
.toast--error {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}
.toast--warning {
    background: rgba(250, 204, 21, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ============================================
   Modals
   ============================================ */
.convert-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: 1500;
    justify-content: center;
    align-items: center;
}
.convert-modal-overlay.active {
    display: flex;
}
.convert-modal {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-md);
}
.convert-modal h3 {
    margin-bottom: 0.75rem;
    color: var(--warning);
    font-size: 1.1rem;
}
.convert-modal p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}
.convert-modal .problem-list {
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    margin: 0.75rem 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: monospace;
}
.convert-modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* ============================================
   Confirm Modal (shared)
   ============================================ */
.confirm-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.confirm-modal-overlay.active {
    display: flex;
    animation: confirmFadeIn 0.18s ease-out;
}
@keyframes confirmFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.confirm-modal {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
    text-align: center;
    animation: confirmSlideIn 0.18s ease-out;
}
@keyframes confirmSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(-8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.confirm-modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}
.confirm-modal-icon svg {
    width: 24px;
    height: 24px;
}
.confirm-modal-icon--danger {
    background: rgba(248, 113, 113, 0.12);
    color: var(--danger);
}
.confirm-modal-icon--warning {
    background: rgba(250, 204, 21, 0.12);
    color: var(--warning);
}
.confirm-modal-icon--info {
    background: rgba(96, 165, 250, 0.12);
    color: var(--primary);
}
.confirm-modal h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.confirm-modal p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0;
}
.confirm-modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.25rem;
}
.confirm-modal-actions .btn {
    min-width: 100px;
}

/* Fullscreen modal */
.fullscreen-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}
.fullscreen-modal-overlay.active {
    display: flex;
}
.fullscreen-modal {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    height: 100%;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}
.fullscreen-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.fullscreen-modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.fullscreen-modal-body {
    flex: 1;
    padding: 1rem;
    overflow: hidden;
    display: flex;
}
.fullscreen-chart {
    width: 100%;
    height: 100%;
}

/* ============================================
   Responsive components
   ============================================ */
@media (max-width: 900px) {
    .tabs {
        flex-wrap: wrap;
        gap: 0.25rem;
        top: auto;
        position: relative;
    }
    .tab {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: 130px;
        padding: 0.6rem 0.75rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 600px) {
    .tabs {
        flex-direction: column;
    }
    .tab {
        flex: 1 1 100%;
    }
}

/* ============================================
   Feature toolbar (shared by dashboard & ML)
   ============================================ */
.feature-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.feature-toolbar .feature-search {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-size: 0.75rem;
}
.feature-toolbar-sep {
    color: var(--text-muted);
    font-size: 0.75rem;
}
.feature-count {
    float: right;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: normal;
}

/* ============================================
   Chip Extras: Type bar + Paste modal
   (shared by upload column selection & ML predictor selection)
   ============================================ */
.col-sel-type-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}
.col-sel-type-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: opacity 0.15s, border-color 0.15s, filter 0.15s;
    opacity: 0.55;
}
.col-sel-type-btn.active {
    opacity: 1;
    border-color: currentColor;
}
.col-sel-type-btn:hover {
    filter: brightness(1.15);
}
.col-sel-type-btn .col-sel-type-count {
    font-weight: 400;
    opacity: 0.8;
}
.col-sel-paste-preview {
    margin-top: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.col-sel-paste-preview .matched {
    color: var(--accent);
    font-weight: 600;
}
.col-sel-paste-preview .not-found {
    color: var(--danger);
    font-weight: 600;
}
.col-sel-paste-notfound {
    margin-top: 0.4rem;
    max-height: 80px;
    overflow-y: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
    line-height: 1.5;
}
.col-sel-paste-options {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.col-sel-paste-options label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
}