/* CSS Custom Properties for Theme Management */
:root {
    --primary-color: #007cff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    
    --border-color: #dee2e6;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    --transition: all 0.15s ease-in-out;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --border-color: #404040;
}

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .header-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .generator-container {
    flex-direction: row-reverse;
}

[dir="rtl"] .contact-container {
    flex-direction: row-reverse;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

/* Loading Overlay Removed - App loads instantly */

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-text {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-panel-btn {
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    border: 2px solid var(--primary-color);
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0, 124, 255, 0.2);
}

.admin-panel-btn:hover {
    background: var(--primary-color-dark, #0056cc);
    border-color: var(--primary-color-dark, #0056cc);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 124, 255, 0.3);
}

.admin-panel-btn i {
    font-size: 1rem;
}

.admin-panel-btn span {
    font-weight: 600;
}

.theme-toggle,
.home-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover,
.home-btn:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.theme-toggle .fa-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: block;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header h2 i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Scanner Section */
.scanner-container {
    max-width: 800px;
    margin: 0 auto;
}

.scanner-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.scanner-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
}

.scanner-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.scanner-btn i {
    font-size: 2rem;
    color: var(--primary-color);
}

.scanner-btn span {
    font-weight: 600;
    font-size: 1.125rem;
}

.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.dropzone i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.dropzone p {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dropzone small {
    color: var(--text-secondary);
}

.scanner-area {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

#scanner-video {
    max-width: 100%;
    border-radius: var(--border-radius);
}

.scanner-result {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 1rem;
}

.result-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
    word-break: break-all;
    font-family: monospace;
    border: 1px solid var(--border-color);
}

.result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Generator Section */
.generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.generator-left {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.qr-type-selector {
    margin-bottom: 2rem;
}

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

#qrType {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.input-fields {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.generate-btn-container {
    margin-top: 2rem;
    text-align: center;
}

.generate-qr-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.generate-qr-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(45deg, #0056b3, var(--primary-color));
}

.generate-qr-btn:active {
    transform: translateY(0);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 124, 255, 0.1);
}

.generator-right {
    position: sticky;
    top: 100px;
}

.qr-preview {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.preview-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    border: 1px solid var(--border-color);
}

#qr-canvas {
    max-width: 100%;
    height: auto;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.download-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.download-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Editor Section */
.editor-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.editor-left {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.editor-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.editor-right {
    position: sticky;
    top: 100px;
}

.editor-preview {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.editor-preview h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.editor-preview h3 i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.editor-preview-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    border: 1px solid var(--border-color);
}

#editor-qr-canvas {
    max-width: 100%;
    height: auto;
}

.editor-download-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.option-group {
    display: flex;
    flex-direction: column;
}

.option-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.option-group input[type="color"] {
    width: 100%;
    height: 50px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
}

.option-group input[type="range"] {
    width: 100%;
    margin-bottom: 0.5rem;
}

.option-group span {
    font-weight: 600;
    color: var(--primary-color);
}

/* Instructions Section */
.instructions-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.instruction-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.instruction-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.instruction-card h3 i {
    margin-right: 0.5rem;
}

.instruction-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.best-practices {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.best-practices h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.best-practices ul {
    list-style: none;
    padding: 0;
}

.best-practices li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 2rem;
}

.best-practices li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.best-practices li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-left {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.contact-form {
    margin-bottom: 2rem;
}

.contact-info {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-info i {
    color: var(--primary-color);
    width: 20px;
}

.contact-right {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.contact-qr-preview h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

#sample-qr {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

/* Article styles */
.article-section {
    background: var(--bg-primary);
    padding: 4rem 0;
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
}

.qr-code-guide {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-medium);
    line-height: 1.7;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.article-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.article-meta i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.article-body {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.article-intro .lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    text-align: center;
    line-height: 1.6;
}

.article-section-content {
    margin-bottom: 2.5rem;
}

.article-section-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
}

.article-section-content h4 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
    font-weight: 600;
}

.article-section-content p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

.qr-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.qr-type-category {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.qr-type-category h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.qr-type-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.qr-type-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.qr-type-category li:last-child {
    border-bottom: none;
}

.qr-type-category li strong {
    color: var(--primary-color);
    font-weight: 600;
}

.article-conclusion {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.article-conclusion h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .generator-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .generator-right {
        position: static;
    }
    
    .editor-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .editor-right {
        position: static;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 2rem 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .scanner-options {
        grid-template-columns: 1fr;
    }
    
    .editor-options {
        grid-template-columns: 1fr;
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .instructions-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .dropzone {
        padding: 2rem 1rem;
    }
    
    .dropzone i {
        font-size: 2rem;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .header-nav {
        gap: 0.5rem;
    }
    
    .theme-toggle,
    .home-btn {
        width: 36px;
        height: 36px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
    }
    
    [data-theme="dark"] {
        --border-color: #ffffff;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .theme-toggle,
    .home-btn,
    .scanner-section,
    .contact-section,
    .faq-section {
        display: none;
    }
    
    .section {
        padding: 1rem 0;
        background: white !important;
    }
    
    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .qr-preview {
        background: white !important;
        box-shadow: none !important;
        border: 2px solid black;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Success/Error Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--surface-color);
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-modal {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
    line-height: 1;
}

.close-modal:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
    color: var(--text-color);
}

.modal-body h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.modal-body h4 {
    color: var(--text-color);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.modal-body ul {
    margin: 0.8rem 0;
    padding-left: 1.5rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.modal-body p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.modal-body strong {
    color: var(--primary-color);
}

/* Modal responsive design */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
        max-height: 75vh;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.3rem;
    }
    
    .modal-body {
        padding: 1.5rem;
        max-height: 55vh;
    }
}

/* Page-specific styles */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.last-updated {
    display: inline-block;
    background: var(--surface-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.content-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

/* Features grid for About page */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

/* Tech stack */
.tech-stack {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Privacy page styles */
.privacy-list {
    list-style: none;
    padding: 0;
}

.privacy-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.privacy-list i {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.storage-info {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.storage-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.storage-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.storage-item strong {
    color: var(--text-color);
    display: block;
    margin-bottom: 0.5rem;
}

.storage-item p {
    color: var(--text-secondary);
    margin: 0;
}

.rights-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Terms page styles */
.terms-list {
    list-style: none;
    padding: 0;
}

.terms-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
}

.terms-list.allowed li {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--success-color);
}

.terms-list.prohibited li {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error-color);
}

.terms-list.neutral li {
    background: var(--background-color);
    border: 1px solid var(--border-color);
}

.availability-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.availability-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.availability-item i {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.availability-item strong {
    color: var(--text-color);
    display: block;
    margin-bottom: 0.5rem;
}

.availability-item p {
    color: var(--text-secondary);
    margin: 0;
}

.disclaimer-box {
    display: flex;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
}

.disclaimer-box i {
    font-size: 1.5rem;
    color: var(--warning-color);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.disclaimer-box p {
    margin-bottom: 1rem;
}

.disclaimer-box ul {
    margin: 0.5rem 0 0 1rem;
}

/* Text utility classes */
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }
.text-info { color: var(--info-color); }
.text-primary { color: var(--primary-color); }

/* Cookie Policy styles */
.cookie-categories {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.cookie-category {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.cookie-icon {
    flex-shrink: 0;
    font-size: 2rem;
    width: 60px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 0.5rem;
}

.cookie-info h3 {
    color: var(--text-color);
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
}

.cookie-info p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.third-party-list {
    list-style: none;
    padding: 0;
}

.third-party-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.cookie-controls {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.control-section {
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.control-section h3 {
    color: var(--primary-color);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Disclaimer styles */
.disclaimer-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.disclaimer-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.disclaimer-icon {
    flex-shrink: 0;
    font-size: 2.5rem;
    width: 80px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 0.5rem;
}

.disclaimer-item h3 {
    color: var(--text-color);
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
}

.disclaimer-item ul {
    margin: 0;
    padding-left: 1.5rem;
}

.disclaimer-item li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.responsibility-box {
    padding: 2rem;
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid var(--info-color);
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
}

.responsibility-box h3 {
    color: var(--info-color);
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.responsibility-list {
    list-style: none;
    padding: 0;
}

.responsibility-list li {
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--info-color);
}

.responsibility-list strong {
    color: var(--text-color);
}

.third-party-services {
    list-style: none;
    padding: 0;
}

.third-party-services li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.liability-warning {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error-color);
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
}

.warning-icon {
    flex-shrink: 0;
    font-size: 2rem;
    color: var(--error-color);
    padding-top: 0.2rem;
}

.liability-warning p {
    margin-bottom: 1rem;
}

.liability-warning ul {
    margin: 0.5rem 0 1rem 1.5rem;
}

/* Hero section styles */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4a9eff 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-title i {
    font-size: 3.5rem;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.hero-feature:hover {
    transform: translateY(-2px);
}

.hero-feature i {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-feature span {
    font-weight: 600;
    font-size: 0.95rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-actions .btn-primary,
.hero-actions .btn-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-actions .btn-primary {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.hero-actions .btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
}

.hero-actions .btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

/* Responsive design for pages */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .hero-title i {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-features {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-feature {
        padding: 0.8rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-feature i {
        font-size: 1.3rem;
    }
    
    .hero-feature span {
        font-size: 0.9rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 200px;
        justify-content: center;
    }
    
    .article-section {
        padding: 2rem 0;
    }
    
    .qr-code-guide {
        padding: 2rem;
        margin: 1rem;
    }
    
    .article-header h2 {
        font-size: 2rem;
    }
    
    .article-intro .lead {
        font-size: 1.1rem;
        text-align: left;
    }
    
    .article-section-content h3 {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .article-section-content p {
        text-align: left;
        font-size: 1rem;
    }
    
    .qr-types-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin: 1rem 0;
    }
    
    .qr-type-category {
        padding: 1rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
        font-size: 0.9rem;
    }
}

/* Admin Panel Styles */
.admin-main {
    min-height: 100vh;
    background: var(--bg-primary);
}

.admin-header {
    background: var(--surface-color);
    padding: 2rem 0;
    border-bottom: 2px solid var(--border-color);
}

.admin-header-content h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-header-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.admin-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.admin-nav-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    min-height: 48px;
    white-space: nowrap;
    text-decoration: none;
}

.admin-nav-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.admin-nav-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.admin-section {
    display: none;
    padding: 3rem 0;
}

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

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

.admin-grid .full-width {
    grid-column: 1 / -1;
}

.admin-card {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.admin-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    grid-column: 1 / -1;
}

.stat-card {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
}

.stat-info p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.action-btn {
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* System Status */
.system-status {
    display: grid;
    gap: 1rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.status-label {
    color: var(--text-primary);
    font-weight: 500;
}

.status-value {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
}

.status-value.online {
    background: #d4edda;
    color: #155724;
}

.status-value.offline {
    background: #f8d7da;
    color: #721c24;
}

/* Settings Form */
.settings-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
}

.checkmark {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* Tools Section */
.tool-actions {
    display: grid;
    gap: 1rem;
}

.tool-btn {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

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

.tool-btn i {
    font-size: 1.5rem;
    width: 24px;
    flex-shrink: 0;
}

.tool-btn div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tool-btn strong {
    font-size: 1rem;
    font-weight: 600;
}

.tool-btn small {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Logs Section */
.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.logs-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.logs-controls select {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.logs-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.log-entry {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 150px 120px 1fr;
    gap: 1rem;
    align-items: center;
    font-size: 0.9rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-secondary);
    font-family: monospace;
}

.log-type {
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.log-type.generation {
    background: #e3f2fd;
    color: #1565c0;
}

.log-type.download {
    background: #e8f5e8;
    color: #2e7d32;
}

.log-type.scanning {
    background: #fff3e0;
    color: #ef6c00;
}

.log-type.settings {
    background: #f3e5f5;
    color: #7b1fa2;
}

.log-type.errors {
    background: #ffebee;
    color: #c62828;
}

.log-message {
    color: var(--text-primary);
}

/* Analytics Charts */
.chart-container {
    margin-top: 1rem;
    text-align: center;
}

.chart-container canvas {
    max-width: 100%;
    height: auto;
}

/* Popular Types and Download Stats */
.type-stat,
.format-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.type-stat:last-child,
.format-stat:last-child {
    border-bottom: none;
}

.type-name,
.format-name {
    color: var(--text-primary);
    font-weight: 500;
}

.type-count,
.format-count {
    color: var(--primary-color);
    font-weight: 600;
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
}

/* SEO Analysis */
.seo-analysis {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--border-color);
}

.analysis-label {
    font-weight: 500;
    color: var(--text-primary);
}

.analysis-value {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.analysis-status {
    font-size: 1.2rem;
}

.seo-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

/* Form Elements */
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
    resize: vertical;
    font-family: inherit;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Pages Management */
.pages-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.pages-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.pages-controls select {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-width: 200px;
}

/* Content Editor */
.content-editor {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.editor-toolbar {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-wrap: wrap;
}

.editor-btn {
    padding: 0.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    min-width: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.editor-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.content-editor textarea {
    width: 100%;
    border: none;
    background: var(--surface-color);
    color: var(--text-primary);
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    min-height: 400px;
}

.content-editor textarea:focus {
    outline: none;
}

.editor-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Content Tools */
.content-tools {
    display: grid;
    gap: 1rem;
}

/* Pages Overview */
.pages-overview {
    margin-top: 1rem;
}

.pages-table {
    display: grid;
    gap: 0.5rem;
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--text-primary);
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    align-items: center;
    transition: all 0.3s ease;
}

.table-row:hover {
    background: var(--bg-secondary);
}

.page-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.page-name i {
    color: var(--primary-color);
}

.page-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

.page-status.published {
    background: #d4edda;
    color: #155724;
}

.page-status.draft {
    background: #fff3cd;
    color: #856404;
}

.page-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.action-btn-small {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
}

.action-btn-small:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Pages Mobile Responsive */
@media (max-width: 768px) {
    .pages-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pages-controls {
        justify-content: center;
    }
    
    .pages-controls select {
        min-width: auto;
        flex: 1;
    }
    
    .editor-toolbar {
        gap: 0.25rem;
        padding: 0.75rem;
    }
    
    .editor-btn {
        min-width: 30px;
        padding: 0.4rem;
        font-size: 0.8rem;
    }
    
    .editor-info {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        text-align: left;
    }
    
    .table-header {
        display: none;
    }
    
    .table-row {
        padding: 1rem;
    }
    
    .page-name {
        font-weight: 600;
        margin-bottom: 0.5rem;
    }
    
    .page-status,
    .page-date,
    .page-actions {
        margin: 0.25rem 0;
    }
    
    .page-actions {
        justify-content: flex-start;
    }
}

/* Notifications */
.admin-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-large);
}

.admin-notification.show {
    transform: translateX(0);
}

.admin-notification.success {
    background: #28a745;
}

.admin-notification.error {
    background: #dc3545;
}

.admin-notification.info {
    background: #007cff;
}

/* Header Mobile Responsive */
@media (max-width: 768px) {
    .header-nav {
        gap: 0.5rem;
    }
    
    .admin-panel-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .admin-panel-btn span {
        display: none;
    }
}

/* Admin Panel Mobile Responsive */
@media (max-width: 768px) {
    .admin-header-content h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .admin-nav {
        gap: 0.5rem;
    }
    
    .admin-nav-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
        min-height: 44px;
        min-width: 120px;
        justify-content: center;
    }
    
    .admin-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .admin-card {
        padding: 1.5rem;
    }
    
    .logs-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .log-entry {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        text-align: left;
    }
    
    .log-time,
    .log-type {
        font-size: 0.8rem;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .tool-actions {
        gap: 0.75rem;
    }
    
    .tool-btn {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .content-section {
        padding: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-stack {
        gap: 1rem;
    }
    
    .availability-item,
    .storage-item,
    .cookie-category,
    .disclaimer-item {
        flex-direction: column;
        text-align: center;
    }
    
    .rights-actions,
    .cookie-actions {
        flex-direction: column;
    }
    
    .disclaimer-box,
    .responsibility-box,
    .liability-warning {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-controls {
        gap: 1rem;
    }
    
    .disclaimer-grid {
        gap: 1.5rem;
    }
    
    .disclaimer-item,
    .cookie-category {
        padding: 1.5rem;
    }
}