/* ============================================
   CSV Profiler - Tool-Specific Styles
   ============================================ */

.tool-hero {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-badge-row {
    margin-top: 12px;
}

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    min-height: calc(100vh - 300px);
}

.calculator-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    max-width: 700px;
}

.panel-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 48px 24px;
    text-align: center;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 24px;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent-it);
    background: var(--accent-it-dim);
}

.upload-area.disabled {
    opacity: 0.55;
    pointer-events: none;
}

.upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--text-muted);
}

.upload-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-subtext {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.upload-meta {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.upload-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.privacy-shield {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 10px 14px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-success);
}

.privacy-shield svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.file-info {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    align-items: center;
    gap: 16px;
}

.file-info.active {
    display: flex;
}

.file-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-it-dim);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-it);
    flex-shrink: 0;
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-file {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-card);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.close-file:hover {
    color: var(--accent-error);
    background: var(--accent-error-dim);
}

.analysis-content {
    display: none;
    flex-direction: column;
    flex: 1;
}

.analysis-content.active {
    display: flex;
}

.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    background: var(--bg-card);
    color: var(--accent-it);
    font-weight: 600;
}

.tab-content {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.tab-content.active {
    display: flex;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-card-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.125rem;
    color: var(--accent-it);
    font-weight: 600;
}

.section-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

.section-heading {
    margin-bottom: 16px;
}

.section-heading h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.section-heading p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.quality-notes {
    display: grid;
    gap: 10px;
}

.quality-note {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.quality-note svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 1px;
}

.quality-note strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.8125rem;
    margin-bottom: 2px;
}

.quality-note p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.quality-note.info svg,
.quality-note.info strong {
    color: var(--accent-it);
}

.quality-note.warning {
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.08);
}

.quality-note.warning svg,
.quality-note.warning strong {
    color: #f59e0b;
}

.quality-note.alert {
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.08);
}

.quality-note.alert svg,
.quality-note.alert strong {
    color: #ef4444;
}

.histogram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.histogram-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
}

.histogram-card h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.histogram-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.histogram-bins {
    display: grid;
    gap: 10px;
}

.histogram-row {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    gap: 10px;
    align-items: center;
}

.histogram-label,
.histogram-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.histogram-bar {
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 999px;
    overflow: hidden;
}

.histogram-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-it), color-mix(in srgb, var(--accent-it) 50%, white));
    border-radius: 999px;
}

.columns-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
}

.search-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-it);
}

.toolbar-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.table-container {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    overflow: auto;
}

.profile-table,
.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78125rem;
}

.profile-table th,
.profile-table td,
.preview-table th,
.preview-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.profile-table th,
.preview-table th {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 600;
}

.profile-table td,
.preview-table td {
    color: var(--text-primary);
}

.profile-table tr:hover td,
.preview-table tr:hover td {
    background: color-mix(in srgb, var(--bg-card) 85%, transparent);
}

.column-name {
    min-width: 180px;
}

.column-name strong {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.column-name span {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.type-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: 0.6875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.type-badge.integer,
.type-badge.number {
    color: var(--accent-it);
}

.type-badge.mixed {
    color: #f59e0b;
}

.type-badge.empty {
    color: var(--text-muted);
}

.null-cell {
    min-width: 120px;
}

.null-value {
    font-weight: 600;
    color: var(--text-primary);
}

.null-bar {
    margin-top: 8px;
    width: 110px;
    height: 8px;
    background: var(--bg-card);
    border-radius: 999px;
    overflow: hidden;
}

.null-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    border-radius: 999px;
}

.profile-metric,
.sample-values {
    display: grid;
    gap: 4px;
}

.profile-metric span,
.sample-values span {
    color: var(--text-secondary);
    line-height: 1.45;
}

.profile-muted {
    color: var(--text-muted);
}

.preview-table-container {
    min-height: 240px;
}

.preview-table td {
    max-width: 260px;
    white-space: pre-wrap;
    word-break: break-word;
}

.schema-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.schema-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.schema-card-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.schema-card-header h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.schema-card-header p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.schema-output {
    min-height: 320px;
    resize: vertical;
    padding: 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78125rem;
    line-height: 1.6;
}

.schema-output:focus {
    outline: none;
    border-color: var(--accent-it);
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-btn:hover:not(:disabled) {
    border-color: var(--accent-it);
    background: var(--bg-card);
}

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

.tool-btn.compact {
    padding: 8px 12px;
    font-size: 0.75rem;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.sidebar-card h3 {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card h3 svg {
    width: 16px;
    height: 16px;
    color: var(--accent-it);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8125rem;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
}

.info-value {
    color: var(--accent-it);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-align: right;
    word-break: break-word;
}

.control-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.control-field:last-of-type {
    margin-bottom: 0;
}

.control-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.control-select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
}

.control-select:focus {
    outline: none;
    border-color: var(--accent-it);
}

.sidebar-list {
    display: grid;
    gap: 10px;
    padding-left: 16px;
}

.sidebar-list li {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.sidebar-footnote {
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.sidebar-link {
    color: var(--accent-it);
    text-decoration: none;
}

.sidebar-link:hover {
    text-decoration: underline;
}

.critical-warning {
    background: var(--bg-card);
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-left: 4px solid rgba(239, 68, 68, 0.8);
    border-radius: 8px;
    padding: 16px;
}

.warning-title {
    color: #ef4444;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.05em;
}

.warning-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.warning-text p:last-child {
    margin-bottom: 0;
}

.warning-text p strong {
    color: var(--text-primary);
}

.attribution-card {
    border-left: 3px solid rgba(96, 165, 250, 0.45);
}

.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.privacy-badge:hover {
    border-color: var(--accent-success);
    color: var(--accent-success);
}

.privacy-badge svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.privacy-badge.local-only {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--accent-success);
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 11, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    z-index: 1000;
    padding: 24px;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-it);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.loading-progress {
    width: min(320px, 90vw);
    height: 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.loading-progress-bar {
    width: 0;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-it), color-mix(in srgb, var(--accent-it) 50%, white));
    transition: width 0.12s linear;
}

.error-banner {
    background: var(--accent-error-dim);
    border: 1px solid var(--accent-error);
    color: var(--accent-error);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    display: none;
    align-items: center;
    gap: 10px;
}

.error-banner.active {
    display: flex;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state svg {
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    opacity: 0.55;
}

.empty-state p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    line-height: 1.55;
}

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

@media (max-width: 1200px) {
    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .schema-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .calculator-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .panel-header,
    .columns-toolbar,
    .schema-card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab {
        min-width: calc(50% - 2px);
    }

    .upload-meta {
        flex-direction: column;
        gap: 6px;
    }

    .file-info {
        flex-wrap: wrap;
    }

    .file-actions {
        width: 100%;
        justify-content: space-between;
    }

    .histogram-row {
        grid-template-columns: 80px 1fr auto;
    }
}