/* Password Generator Tool - Light Theme */

:root {
    --primary-color: #6366f1;
    --primary-hover: #5855eb;
    --secondary-color: var(--text-muted);
    --background-color: var(--bg-primary);
    --surface-color: var(--bg-secondary);
    --border-color: var(--border-color);
    --text-primary: var(--text-primary);
    --text-secondary: var(--text-muted);
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}
/* 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 overrides */
[data-theme="dark"] .panel-footer,
[data-theme="dark"] .stats-footer,
[data-theme="dark"] .info-section {
    border-color: #334155;
}


/* Tool Container */
.tool-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .tool-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Generator Panel */
.generator-panel {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.password-display {
    margin-bottom: 2rem;
}

.password-output-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.password-output {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    background: var(--background-color);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.password-output:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.password-strength {
    margin-top: 1rem;
}

.strength-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.strength-fill {
    height: 100%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 4px;
}

.strength-fill.very-weak {
    background: var(--danger-color);
}

.strength-fill.weak {
    background: #ea580c;
}

.strength-fill.medium {
    background: var(--warning-color);
}

.strength-fill.strong {
    background: #16a34a;
}

.strength-fill.very-strong {
    background: var(--success-color);
}

.strength-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Options Panel */
.options-panel h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.option-group {
    margin-bottom: 1.5rem;
}

.option-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid var(--background-color);
    box-shadow: var(--shadow-sm);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid var(--background-color);
    box-shadow: var(--shadow-sm);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.checkbox-label:hover {
    background: var(--border-color);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-size: 12px;
    font-weight: bold;
}

.text-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background: var(--background-color);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

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

.generate-section {
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-icon {
    padding: 0.5rem;
    min-width: 38px;
    height: 38px;
}

/* Side Panels */
.history-panel,
.presets-panel {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    height: fit-content;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.password-history {
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.password-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.password-text {
    font-family: monospace;
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
    margin-right: 0.5rem;
}

.password-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.password-length {
    background: var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.password-strength {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--bg-primary);
    font-weight: 500;
    text-transform: capitalize;
}

.password-strength.very-weak {
    background: var(--danger-color);
}

.password-strength.weak {
    background: #ea580c;
}

.password-strength.medium {
    background: var(--warning-color);
}

.password-strength.strong {
    background: #16a34a;
}

.password-strength.very-strong {
    background: var(--success-color);
}

/* Presets */
.presets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.preset-btn {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

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

.preset-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.preset-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.empty-state p {
    margin: 0;
    font-style: italic;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: var(--bg-primary);
    font-weight: 500;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
}

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

.toast-success {
    background: var(--success-color);
}

.toast-error {
    background: var(--error-color);
}

.toast-info {
    background: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .generator-panel {
        padding: 1.5rem;
    }

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

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

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

    .password-preview {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .password-meta {
        flex-wrap: wrap;
    }
}

/* 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;
    }
}