/* DevTools Hub - Dark Theme Styles */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
    --warning: #d29922;
    --error: #f85149;
    --border: #30363d;
    --sidebar-width: 260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 1rem;
    align-items: center;
    gap: 1rem;
    z-index: 1001;
}

.mobile-header h1 {
    font-size: 1.2rem;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.sidebar-header p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.nav-list {
    list-style: none;
    padding: 0.5rem 0;
    flex: 1;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent);
    border-left-color: var(--accent);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.premium-btn {
    display: block;
    text-align: center;
    padding: 0.75rem;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.premium-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
}

.affiliate-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.25rem 0;
}

.affiliate-links a:hover {
    color: var(--accent);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
}

/* Tool Sections */
.tool-section {
    display: none;
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease;
}

.tool-section.active {
    display: block;
}

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

.tool-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tool-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: var(--text-secondary);
}

/* Form Elements */
.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

textarea, input[type="text"], input[type="number"], input[type="datetime-local"], select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

textarea:focus, input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

/* Buttons */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

button {
    padding: 0.6rem 1.2rem;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Output */
.output-group {
    margin-top: 1rem;
}

.output-box, pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    min-height: 100px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Status Messages */
.status-message {
    padding: 0.75rem;
    border-radius: 6px;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.status-message.success {
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.status-message.error {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* Hash Generator */
.hash-results {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hash-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hash-row label {
    width: 70px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hash-row input {
    flex: 1;
    font-size: 0.8rem;
}

.hash-row button {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Regex Tester */
.regex-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0 0.5rem;
}

.regex-input-wrap span {
    color: var(--text-secondary);
    font-family: monospace;
}

.regex-input-wrap input {
    border: none;
    background: transparent;
}

.regex-input-wrap input:focus {
    box-shadow: none;
}

.regex-cheatsheet {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.regex-cheatsheet h4 {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.regex-cheatsheet code {
    display: block;
    padding: 0.25rem 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Cron Generator */
.cron-builder {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.cron-field label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.cron-field input {
    text-align: center;
}

.cron-output {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

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

.cron-output input {
    flex: 1;
    font-family: monospace;
    font-size: 1.1rem;
}

.cron-desc {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    color: var(--text-secondary);
}

.cron-presets {
    margin-top: 1rem;
}

.cron-presets h4 {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.cron-presets button {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    margin: 0.25rem;
}

.cron-presets button:hover {
    background: var(--border);
}

/* Converter Grid */
.converter-grid, .diff-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Options Row */
.options-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.options-row label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.options-row select, .options-row input[type="number"] {
    width: auto;
    padding: 0.4rem 0.6rem;
}

/* Color Converter */
.color-preview-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.color-preview {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 2px solid var(--border);
    background: #3498db;
}

#color-picker {
    width: 100px;
    height: 50px;
    padding: 0;
    border: none;
    cursor: pointer;
}

.color-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/* Timestamp */
.timestamp-now {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.timestamp-now strong {
    font-family: monospace;
    font-size: 1.2rem;
    color: var(--accent);
}

/* Diff Checker */
.diff-output {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    min-height: 200px;
    font-family: monospace;
    font-size: 0.85rem;
    overflow-x: auto;
}

.diff-added {
    background: rgba(63, 185, 80, 0.2);
    color: var(--success);
}

.diff-removed {
    background: rgba(248, 81, 73, 0.2);
    color: var(--error);
    text-decoration: line-through;
}

.diff-line {
    padding: 2px 4px;
    display: block;
}

/* Stats Box */
.stats-box {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Premium Section */
.premium-content {
    padding: 2rem 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.pricing-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
}

.pricing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.pricing-card button {
    width: 100%;
}

/* Ad Banners */
.ad-banner {
    background: var(--bg-secondary);
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    margin: 1.5rem 0;
}

/* Footer */
.footer {
    margin-top: 3rem;
    padding: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-secondary);
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .mobile-header {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 80px 1rem 2rem;
    }
    
    .converter-grid, .diff-grid, .color-inputs {
        grid-template-columns: 1fr;
    }
    
    .cron-builder {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hash-row {
        flex-wrap: wrap;
    }
    
    .hash-row label {
        width: 100%;
    }
    
    .hash-row input {
        width: calc(100% - 60px);
    }
}

@media (max-width: 480px) {
    .cron-builder {
        grid-template-columns: 1fr 1fr;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group button {
        width: 100%;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Syntax Highlighting for JSON */
.json-key { color: #79c0ff; }
.json-string { color: #a5d6ff; }
.json-number { color: #ffa657; }
.json-boolean { color: #ff7b72; }
.json-null { color: #8b949e; }

/* Highlight for regex matches */
.regex-match {
    background: rgba(88, 166, 255, 0.3);
    padding: 0 2px;
    border-radius: 2px;
}