/* UUID Generator Light Theme Styles */

/* Utility Classes */

/* Dark mode overrides */
[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-border: #334155;
    --tool-border-hover: #475569;
    --tool-text: #f8fafc;
    --tool-text-secondary: #94a3b8;
    --tool-input-bg: #1e293b;
    --tool-input-border: #334155;
    --tool-button-bg: #1e293b;
    --tool-button-hover: #334155;
    --tool-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --tool-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --background-color: #0f172a;
    --text-color: #f8fafc;
    --status-info: rgba(96, 165, 250, 0.2);
    --status-success: rgba(34, 197, 94, 0.2);
    --status-error: rgba(248, 113, 113, 0.2);
    --bg-color: #0f172a;
}

/* Dark mode element overrides */
[data-theme="dark"] .tool-card {
    background: var(--bg-card, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg, #1e293b);
    color: var(--text-primary, #f8fafc);
    border-color: var(--border-color, #334155);
}

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

[data-theme="dark"] .tab-btn.active {
    color: white;
}

[data-theme="dark"] label {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary, #f8fafc);
}

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

/* Dark mode border and element overrides */
[data-theme="dark"] .history-item,
[data-theme="dark"] .batch-item,
[data-theme="dark"] .info-section,
[data-theme="dark"] .format-info,
[data-theme="dark"] .format-card {
    border-color: #334155;
}

[data-theme="dark"] .stats-footer,
[data-theme="dark"] .panel-header {
    border-color: #334155;
}

[data-theme="dark"] .validation-result.valid {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
    color: #4ade80;
}

[data-theme="dark"] .validation-result.invalid {
    background: rgba(248, 113, 113, 0.2);
    border-color: rgba(248, 113, 113, 0.4);
    color: #f87171;
}

.hidden {
    display: none !important;
}

/* Tool Interface */
.tool-interface {
    background: var(--bg-secondary);
    min-height: 60vh;
    padding: 2rem 0;
}

.tool-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Options Panel */
.options-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.options-panel h3 {
    margin: 0 0 2rem 0;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.options-panel h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* UUID Types */
.uuid-types {
    margin-bottom: 2rem;
}

.type-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.type-option {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.type-option:hover {
    border-color: #4a90e2;
    background: var(--color-blue-soft);
}

.type-option input[type="radio"] {
    margin-top: 0.25rem;
    accent-color: #4a90e2;
}

.type-option input[type="radio"]:checked + .option-content {
    color: #4a90e2;
}

.type-option:has(input:checked) {
    border-color: #4a90e2;
    background: var(--color-blue-soft);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.option-content {
    flex: 1;
}

.option-content strong {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.option-content small {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Generation Options */
.generation-options {
    margin-bottom: 2rem;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-item label {
    font-weight: 600;
    color: var(--text-primary);
}

.number-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.number-input-group input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.number-input-group input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.quick-amounts {
    display: flex;
    gap: 0.5rem;
}

.setting-item select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background: var(--bg-primary);
    transition: border-color 0.3s ease;
}

.setting-item select:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* Generation Actions */
.generation-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    var(--bg-primary)-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #357abd 0%, #2c5d8f 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.btn-outline {
    background: var(--bg-primary);
    color: #4a90e2;
    border: 2px solid #4a90e2;
}

.btn-outline:hover:not(:disabled) {
    background: #4a90e2;
    color: var(--bg-primary);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Results Panel */
.results-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.results-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #e9ecef 100%);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.results-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.results-content {
    padding: 2rem;
    min-height: 200px;
}

.results-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    height: 200px;
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.results-placeholder p {
    margin: 0;
    font-size: 1.1rem;
}

/* UUID Results */
.uuid-results {
    display: none;
    max-height: 500px;
    overflow-y: auto;
}

.uuid-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    background: var(--bg-secondary);
    transition: all 0.3s ease;
}

.uuid-result-item:hover {
    background: var(--color-blue-soft);
    border-color: #4a90e2;
}

.uuid-result-item:last-child {
    margin-bottom: 0;
}

.uuid-value {
    flex: 1;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    word-break: break-all;
}

.uuid-value:hover {
    background: var(--bg-tertiary);
}

.uuid-value.copied {
    background: var(--color-green-soft);
    animation: pulse 0.5s ease;
}

@keyframes pulse {
    0% { background: var(--color-green-soft); }
    50% { background: #81c784; }
    100% { background: var(--color-green-soft); }
}

.uuid-actions {
    display: flex;
    gap: 0.25rem;
}

/* Results Info */
.results-info {
    padding: 1rem 2rem;
    border-top: 1px solid #e9ecef;
    background: var(--bg-secondary);
}

.results-summary {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.summary-item {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Info Panel */
.info-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.info-panel h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-weight: 600;
}

.uuid-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.info-card {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
}

.info-card h4 {
    margin: 0 0 1rem 0;
    color: #4a90e2;
    font-weight: 600;
}

.info-card p {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    line-height: 1.5;
}

.info-example {
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: 4px;
    border-left: 3px solid #4a90e2;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
}

.info-example strong {
    color: var(--text-primary);
}

/* Validation Panel */
.validation-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.validation-panel h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-weight: 600;
}

.validation-section label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.validate-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.validate-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.validate-input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.validation-result {
    min-height: 60px;
}

.validation-success,
.validation-error {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid;
}

.validation-success {
    background: var(--color-green-soft);
    color: var(--text-success);
    border-color: var(--color-green);
}

.validation-error {
    background: var(--color-red-soft);
    color: var(--text-danger);
    border-color: var(--color-red);
}

.validation-icon {
    font-size: 1.5rem;
}

.validation-details {
    flex: 1;
}

.validation-status {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.validation-info {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: #28a745;
    color: var(--bg-primary);
    border-radius: 6px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.toast-error {
    background: #dc3545;
}

.toast.toast-warning {
    background: #ffc107;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-container {
        gap: 1.5rem;
    }

    .options-panel,
    .results-panel,
    .info-panel,
    .validation-panel {
        padding: 1.5rem;
    }

    .results-header {
        padding: 1rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .results-content {
        padding: 1.5rem;
    }

    .type-options {
        gap: 0.75rem;
    }

    .type-option {
        padding: 0.75rem;
    }

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

    .generation-actions {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }

    .uuid-info-grid {
        grid-template-columns: 1fr;
    }

    .validate-input-group {
        flex-direction: column;
    }

    .results-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .uuid-result-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .uuid-actions {
        justify-content: center;
    }

    .validation-success,
    .validation-error {
        flex-direction: column;
        text-align: center;
    }

    .validation-info {
        justify-content: center;
    }
}

/* Universal Elements Styles */

/* Tool Information Section */
.tool-info-section {
    background: var(--bg-primary);
    border-top: 1px solid #e9ecef;
    padding: 3rem 0;
}

.tool-info-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.tool-info-content > p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.tool-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    color: var(--bg-primary);
}

.benefit-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-weight: 600;
}

.benefit-content p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Related Tools Section */
.related-tools-section {
    background: var(--bg-secondary);
    padding: 3rem 0;
    border-top: 1px solid #e9ecef;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: block;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
    text-decoration: none;
    color: inherit;
}

.tool-card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    color: var(--bg-primary);
}

.tool-card h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.tool-card p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive adjustments for universal elements */
@media (max-width: 768px) {
    .tool-benefits {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .related-tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}