/**
 * Three-Column Tool Page Layout
 * Generic styles for tool pages with Input | Output | Ads layout
 *
 * Usage: Include this CSS and use .tool-* classes
 * For tool-specific theming, define CSS variables:
 *   --tool-primary: #326ce5;
 *   --tool-primary-dark: #1d4ed8;
 *   --tool-gradient: linear-gradient(135deg, #326ce5 0%, #1d4ed8 100%);
 *   --tool-light: #eff6ff;
 */

/* ========================================
   CSS VARIABLES (Defaults)
   ======================================== */
:root {
    --tool-primary: var(--primary, #6366f1);
    --tool-primary-dark: var(--primary-dark, #4f46e5);
    --tool-gradient: linear-gradient(135deg, var(--tool-primary) 0%, var(--tool-primary-dark) 100%);
    --tool-light: #f0f4ff;
}

/* ========================================
   THREE COLUMN LAYOUT
   ======================================== */
.tool-page-container {
    display: grid;
    grid-template-columns: minmax(320px, 400px) 1fr 300px;
    gap: 1.5rem;
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem;
    min-height: calc(100vh - 180px);
}

@media (max-width: 1024px) {
    .tool-page-container {
        grid-template-columns: minmax(300px, 380px) 1fr;
    }
    .tool-ads-column { display: none; }
}

@media (max-width: 900px) {
    .tool-page-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        display: flex;
        flex-direction: column;
    }

    .tool-input-column {
        position: relative;
        top: auto;
        max-height: none;
        overflow-y: visible;
        z-index: 1;
        order: 1;
    }

    .tool-output-column {
        display: flex !important;
        min-height: 350px;
        position: relative;
        z-index: 2;
        order: 2;
    }

    .tool-output-wrapper {
        min-height: 300px;
        width: 100%;
    }

    .tool-ads-column {
        order: 3;
    }

    .tool-empty-state {
        padding: 2rem 1rem;
    }

    .tool-empty-state svg {
        width: 60px;
        height: 60px;
    }

    .tool-empty-state p {
        font-size: 0.8125rem;
    }
}

/* ========================================
   INPUT COLUMN (Sticky)
   ======================================== */
.tool-input-column {
    position: sticky;
    top: 90px;
    height: fit-content;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
}

.tool-input-column::-webkit-scrollbar {
    width: 5px;
}

.tool-input-column::-webkit-scrollbar-thumb {
    background: var(--tool-primary);
    border-radius: 3px;
}

/* ========================================
   OUTPUT COLUMN
   ======================================== */
.tool-output-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ========================================
   ADS COLUMN
   ======================================== */
.tool-ads-column {
    height: fit-content;
}

/* ========================================
   CARD STYLES
   ======================================== */
.tool-card {
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.tool-card-header {
    background: var(--tool-gradient);
    color: white;
    padding: 0.875rem 1rem;
    font-weight: 600;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-card-body {
    padding: 1rem;
}

/* ========================================
   TABS
   ======================================== */
.tool-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem;
    background: var(--bg-secondary, #f8fafc);
    border-bottom: 1px solid var(--border, #e2e8f0);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tool-tab {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-secondary, #475569);
    cursor: pointer;
    border-radius: 0.375rem;
    white-space: nowrap;
    transition: all 0.15s;
}

.tool-tab:hover {
    background: var(--bg-primary, #ffffff);
    color: var(--tool-primary);
}

.tool-tab.active {
    background: var(--tool-primary);
    color: white;
}

/* ========================================
   FORM STYLES
   ======================================== */
.tool-form-group {
    margin-bottom: 0.875rem;
}

.tool-form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--text-primary, #0f172a);
    font-size: 0.8125rem;
}

.tool-form-label .required {
    color: #ef4444;
}

.tool-input,
.tool-select,
.tool-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
    outline: none;
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tool-form-hint {
    font-size: 0.6875rem;
    color: var(--text-secondary, #475569);
    margin-top: 0.25rem;
}

.tool-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .tool-form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   COLLAPSIBLE SECTIONS
   ======================================== */
.tool-section {
    background: var(--tool-light);
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.tool-section-header {
    padding: 0.625rem 0.75rem;
    font-weight: 600;
    color: var(--tool-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    user-select: none;
}

.tool-section-header:hover {
    background: rgba(99, 102, 241, 0.1);
}

.tool-section-header .chevron {
    transition: transform 0.2s;
    font-size: 0.75rem;
}

.tool-section-header.collapsed .chevron {
    transform: rotate(-90deg);
}

.tool-section-content {
    padding: 0.75rem;
    background: var(--bg-primary, #ffffff);
    border-top: 1px solid var(--border, #e2e8f0);
}

.tool-section-content.hidden {
    display: none;
}

/* ========================================
   BUTTONS
   ======================================== */
.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.375rem;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
    cursor: pointer;
    transition: all 0.15s;
}

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

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

.tool-btn-primary {
    background: var(--tool-gradient);
    color: white;
    border: none;
}

.tool-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.tool-btn-sm {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
}

/* Main action button (full width) */
.tool-action-btn {
    width: 100%;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    background: var(--tool-gradient);
    color: white;
    margin-top: 1rem;
    transition: opacity 0.15s, transform 0.15s;
}

.tool-action-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.tool-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   ACTIONS BAR
   ======================================== */
.tool-actions-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8fafc);
    border-bottom: 1px solid var(--border, #e2e8f0);
    flex-wrap: wrap;
}

.tool-actions-spacer {
    flex: 1;
}

/* ========================================
   FORMAT TOGGLE
   ======================================== */
.tool-format-toggle {
    display: inline-flex;
    background: var(--border, #e2e8f0);
    border-radius: 0.375rem;
    padding: 0.125rem;
}

.tool-format-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-secondary, #475569);
    cursor: pointer;
    border-radius: 0.25rem;
    transition: all 0.15s;
}

.tool-format-btn.active {
    background: var(--bg-primary, #ffffff);
    color: var(--tool-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ========================================
   OUTPUT PREVIEW
   ======================================== */
.tool-output-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.tool-output-pre {
    flex: 1;
    margin: 0;
    padding: 1rem;
    background: #1e293b;
    color: #e2e8f0;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    overflow: auto;
    white-space: pre;
    border-radius: 0 0 0.75rem 0.75rem;
}

/* ========================================
   EMPTY STATE
   ======================================== */
.tool-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-secondary, #475569);
    text-align: center;
    background: var(--bg-secondary, #f8fafc);
    border-radius: 0 0 0.75rem 0.75rem;
}

.tool-empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.tool-empty-state h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #0f172a);
    margin-bottom: 0.5rem;
}

.tool-empty-state p {
    font-size: 0.875rem;
    max-width: 280px;
}

/* ========================================
   PRESETS BAR
   ======================================== */
.tool-presets {
    display: flex;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary, #ffffff);
    border-bottom: 1px solid var(--border, #e2e8f0);
    overflow-x: auto;
}

.tool-preset-btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.6875rem;
    font-weight: 500;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 9999px;
    background: var(--bg-primary, #ffffff);
    color: var(--text-secondary, #475569);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

.tool-preset-btn:hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
    background: var(--tool-light);
}

/* ========================================
   STATUS INDICATOR
   ======================================== */
.tool-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    background: #dcfce7;
    color: #166534;
    border-bottom: 1px solid #bbf7d0;
}

.tool-status.error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.tool-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* ========================================
   LIVE INDICATOR
   ======================================== */
.tool-live-indicator {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.6875rem;
    color: #059669;
    font-weight: 500;
}

.tool-live-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    animation: toolPulse 2s infinite;
}

@keyframes toolPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   PAGE HEADER
   ======================================== */
.tool-page-header {
    background: var(--bg-primary, #ffffff);
    border-bottom: 1px solid var(--border, #e2e8f0);
    padding: 1.25rem 1.5rem;
    margin-top: 72px;
}

.tool-page-header-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.tool-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    margin: 0;
}

.tool-page-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: 9999px;
    background: var(--tool-light);
    color: var(--tool-primary);
}

/* ========================================
   BREADCRUMBS
   ======================================== */
.tool-breadcrumbs {
    font-size: 0.8125rem;
    color: var(--text-secondary, #475569);
    margin-top: 0.5rem;
}

.tool-breadcrumbs a {
    color: var(--text-secondary, #475569);
    text-decoration: none;
}

.tool-breadcrumbs a:hover {
    color: var(--tool-primary);
}

/* ========================================
   DESCRIPTION SECTION
   ======================================== */
.tool-description-section {
    background: var(--tool-light);
    border-bottom: 1px solid var(--border, #e2e8f0);
    padding: 1.25rem 1.5rem;
}

.tool-description-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.tool-description-content {
    flex: 1;
}

.tool-description-content p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-secondary, #475569);
}

.tool-description-ad {
    flex-shrink: 0;
    /* Fixed dimensions to prevent CLS */
    width: 728px;
    min-height: 90px;
}

.tool-description-ad .ad-container {
    margin: 0;
    min-height: 90px;
    width: 100%;
    /* Reserve space for ad before it loads */
    background: linear-gradient(135deg, var(--bg-secondary, #f1f5f9) 0%, var(--border, #e2e8f0) 100%);
}

.tool-description-ad .ad-container.ad-loaded {
    background: var(--bg-primary, #ffffff);
}

@media (max-width: 1023px) {
    .tool-description-ad {
        display: none;
    }
}

@media (max-width: 767px) {
    .tool-description-section {
        padding: 1rem;
    }

    .tool-description-content p {
        font-size: 0.875rem;
    }
}

/* ========================================
   MOBILE AD CONTAINER
   ======================================== */
.tool-mobile-ad-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem;
}

.tool-mobile-ad-container .ad-container {
    margin: 0 auto;
    max-width: 336px;
}

@media (min-width: 1025px) {
    .tool-mobile-ad-container {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .tool-mobile-ad-container .ad-container {
        max-width: 728px;
    }
}

@media (max-width: 767px) {
    .tool-mobile-ad-container {
        padding: 1rem;
    }

    .tool-mobile-ad-container .ad-container {
        max-width: 100%;
    }
}

/* ========================================
   ALERT BOX
   ======================================== */
.tool-alert {
    padding: 0.625rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.tool-alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.tool-alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.tool-alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.tool-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ========================================
   KEY-VALUE PAIR EDITOR
   ======================================== */
.kv-container {
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.375rem;
    padding: 0.5rem;
    background: var(--bg-primary, #ffffff);
}

.kv-pair {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.375rem;
    align-items: center;
}

.kv-pair:last-child {
    margin-bottom: 0;
}

.kv-pair input,
.kv-key,
.kv-value,
.kv-extra {
    flex: 1;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
}

.kv-pair input:focus,
.kv-key:focus,
.kv-value:focus,
.kv-extra:focus {
    outline: none;
    border-color: var(--tool-primary);
}

.btn-remove-kv {
    padding: 0.25rem 0.375rem;
    color: #ef4444;
    background: transparent;
    border: 1px solid #fecaca;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.625rem;
    line-height: 1;
    flex-shrink: 0;
}

.btn-remove-kv:hover {
    background: #fef2f2;
}

.btn-add-kv {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    margin-top: 0.375rem;
    font-size: 0.6875rem;
    color: var(--tool-primary);
    background: var(--tool-light);
    border: 1px dashed var(--tool-primary);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-add-kv:hover {
    background: var(--tool-primary);
    color: white;
    border-style: solid;
}

/* Volume Mount Row - for complex multi-field rows */
.volume-mount-row,
.toleration-row {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.375rem;
    align-items: center;
    flex-wrap: wrap;
}

.volume-mount-row:last-child,
.toleration-row:last-child {
    margin-bottom: 0;
}

/* Inline checkbox label (checkbox inside label) */
.tool-form-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    accent-color: var(--tool-primary);
    vertical-align: middle;
}

/* ========================================
   CHECKBOX
   ======================================== */
.tool-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    cursor: pointer;
}

.tool-checkbox input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--tool-primary);
}

/* ========================================
   TOAST
   ======================================== */
.tool-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 0.75rem 1.25rem;
    background: #1e293b;
    color: white;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 9999;
    animation: toolToastIn 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

@keyframes toolToastIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ========================================
   KEY-VALUE PAIR EDITOR
   ======================================== */
.tool-kv-container {
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.375rem;
    padding: 0.5rem;
    background: var(--bg-primary, #ffffff);
}

.tool-kv-pair {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.375rem;
    align-items: center;
}

.tool-kv-pair:last-child {
    margin-bottom: 0;
}

.tool-kv-pair input {
    flex: 1;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
}

.tool-kv-pair input:focus {
    outline: none;
    border-color: var(--tool-primary);
}

.tool-btn-remove-kv {
    padding: 0.25rem 0.375rem;
    color: #ef4444;
    background: transparent;
    border: 1px solid #fecaca;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.625rem;
    line-height: 1;
}

.tool-btn-remove-kv:hover {
    background: #fef2f2;
}

.tool-btn-add-kv {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    margin-top: 0.375rem;
    font-size: 0.6875rem;
    color: var(--tool-primary);
    background: var(--tool-light);
    border: 1px dashed var(--tool-primary);
    border-radius: 0.25rem;
    cursor: pointer;
}

.tool-btn-add-kv:hover {
    background: var(--tool-primary);
    color: white;
    border-style: solid;
}

/* ========================================
   DARK MODE SUPPORT
   ======================================== */
[data-theme="dark"] {
    --tool-light: rgba(99, 102, 241, 0.15);
}

[data-theme="dark"] .tool-page-header {
    background: var(--bg-secondary, #1e293b);
    border-bottom-color: var(--border, #334155);
}

[data-theme="dark"] .tool-page-title {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-breadcrumbs,
[data-theme="dark"] .tool-breadcrumbs a {
    color: var(--text-secondary, #94a3b8);
}

[data-theme="dark"] .tool-breadcrumbs a:hover {
    color: var(--tool-primary);
}

[data-theme="dark"] .tool-badge {
    background: var(--tool-light);
    color: var(--tool-primary);
}

[data-theme="dark"] .tool-description-section {
    background: var(--bg-secondary, #1e293b);
    border-bottom-color: var(--border, #334155);
}

[data-theme="dark"] .tool-description-content p {
    color: var(--text-secondary, #cbd5e1);
}

[data-theme="dark"] .tool-description-ad .ad-container {
    background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
}

[data-theme="dark"] .tool-description-ad .ad-container.ad-loaded {
    background: var(--bg-secondary, #1e293b);
}

[data-theme="dark"] .tool-card {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}

[data-theme="dark"] .tool-tabs {
    background: var(--bg-tertiary, #334155);
    border-bottom-color: var(--border, #475569);
}

[data-theme="dark"] .tool-tab {
    color: var(--text-secondary, #94a3b8);
}

[data-theme="dark"] .tool-tab:hover {
    background: var(--bg-secondary, #1e293b);
    color: var(--tool-primary);
}

[data-theme="dark"] .tool-tab.active {
    background: var(--tool-primary);
    color: white;
}

[data-theme="dark"] .tool-form-label {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-input,
[data-theme="dark"] .tool-select,
[data-theme="dark"] .tool-textarea {
    background: var(--bg-tertiary, #334155);
    border-color: var(--border, #475569);
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-input:focus,
[data-theme="dark"] .tool-select:focus,
[data-theme="dark"] .tool-textarea:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .tool-input::placeholder,
[data-theme="dark"] .tool-textarea::placeholder {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tool-form-hint {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tool-section {
    background: var(--bg-tertiary, #334155);
}

[data-theme="dark"] .tool-section-header {
    color: var(--tool-primary);
}

[data-theme="dark"] .tool-section-header:hover {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .tool-section-content {
    background: var(--bg-secondary, #1e293b);
    border-top-color: var(--border, #475569);
}

[data-theme="dark"] .tool-btn {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #475569);
    color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .tool-btn:hover {
    background: var(--tool-primary);
    border-color: var(--tool-primary);
    color: white;
}

[data-theme="dark"] .tool-btn:disabled {
    background: var(--bg-tertiary, #334155);
    border-color: var(--border, #475569);
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tool-action-btn {
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .tool-action-btn:disabled {
    background: var(--bg-tertiary, #334155);
    color: var(--text-muted, #64748b);
    box-shadow: none;
}

[data-theme="dark"] .tool-actions-bar {
    background: var(--bg-tertiary, #334155);
    border-bottom-color: var(--border, #475569);
}

[data-theme="dark"] .tool-format-toggle {
    background: var(--bg-tertiary, #334155);
}

[data-theme="dark"] .tool-format-btn {
    color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .tool-format-btn:hover {
    background: var(--bg-secondary, #1e293b);
}

[data-theme="dark"] .tool-format-btn.active {
    background: var(--tool-primary);
    color: white;
}

[data-theme="dark"] .tool-empty-state {
    background: var(--bg-tertiary, #334155);
}

[data-theme="dark"] .tool-empty-state h3 {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-empty-state p {
    color: var(--text-secondary, #94a3b8);
}

[data-theme="dark"] .tool-presets {
    background: var(--bg-tertiary, #334155);
    border-bottom-color: var(--border, #475569);
}

[data-theme="dark"] .tool-preset-btn {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #475569);
    color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .tool-preset-btn:hover {
    background: var(--tool-primary);
    border-color: var(--tool-primary);
    color: white;
}

[data-theme="dark"] .tool-checkbox {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-kv-container {
    background: var(--bg-tertiary, #334155);
    border-color: var(--border, #475569);
}

[data-theme="dark"] .tool-kv-pair input {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #475569);
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .tool-btn-add-kv {
    background: rgba(99, 102, 241, 0.1);
}

/* Dark mode for .kv-* classes (legacy/simplified naming) */
[data-theme="dark"] .kv-container {
    background: var(--bg-tertiary, #334155);
    border-color: var(--border, #475569);
}

[data-theme="dark"] .kv-pair input,
[data-theme="dark"] .kv-key,
[data-theme="dark"] .kv-value,
[data-theme="dark"] .kv-extra {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #475569);
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .btn-add-kv {
    background: rgba(var(--tool-primary-rgb, 99, 102, 241), 0.1);
}

[data-theme="dark"] .btn-remove-kv {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .btn-remove-kv:hover {
    background: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .tool-alert-warning {
    background: rgba(251, 191, 36, 0.15);
    color: #fcd34d;
    border-color: rgba(251, 191, 36, 0.3);
}

[data-theme="dark"] .tool-alert-info {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .tool-alert-success {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
    border-color: rgba(34, 197, 94, 0.3);
}

[data-theme="dark"] .tool-alert-error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}