:root {
    --primary-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
    --purple-color: #9C27B0;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --text-color: #ffffff;
    --bg-color: #121212;
    --white: #1e1e1e;
    --gray-100: #2d2d2d;
    --gray-200: #3d3d3d;
    --gray-300: #4d4d4d;
    --gray-400: #5d5d5d;
    --gray-500: #6d6d6d;
    --gray-600: #7d7d7d;
    --gray-700: #8d8d8d;
    --gray-800: #9d9d9d;
    --gray-900: #ffffff;
    --shadow: 0 2px 10px rgba(255,255,255,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 80px;
    transition: var(--transition);
}

.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--purple-color));
    color: white;
    padding: 1rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.app-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1); /* Makes logo white to match header */
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.language-toggle {
    display: flex;
    align-items: center;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.app-main {
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--gray-500);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--gray-600);
}

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

.btn-success:hover {
    background-color: #45a049;
}

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

.btn-danger:hover {
    background-color: #da190b;
}

.full-width {
    width: 100%;
    justify-content: center;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-600);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.networks-list, .qr-list, .guest-list {
    display: grid;
    gap: 1rem;
}

.network-card, .qr-card, .guest-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.network-card:hover, .qr-card:hover, .guest-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

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

.network-name, .qr-name, .guest-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.network-actions, .qr-actions, .guest-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    transform: scale(1.1);
}

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

.action-btn.edit {
    background-color: var(--warning-color);
    color: white;
}

.action-btn.delete {
    background-color: var(--danger-color);
    color: white;
}

.action-btn.download {
    background-color: var(--success-color);
    color: white;
}

.network-info, .guest-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.info-item {
    text-align: center;
}

.info-label {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.info-value {
    font-weight: 600;
    color: var(--text-color);
}

.security-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.security-wpa {
    background-color: var(--success-color);
    color: white;
}

.security-wep {
    background-color: var(--warning-color);
    color: white;
}

.security-nopass {
    background-color: var(--danger-color);
    color: white;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-active {
    background-color: var(--success-color);
    color: white;
}

.status-expired {
    background-color: var(--gray-500);
    color: white;
}

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

.monitor-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.monitor-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--purple-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.monitor-info h3 {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.monitor-info p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.network-info {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.current-network {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.settings-list {
    display: grid;
    gap: 1rem;
}

.setting-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.setting-info h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.setting-info p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-400);
    transition: var(--transition);
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-300);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-600);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--gray-200);
}

.modal-form {
    padding: 1.5rem;
}

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

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

.qr-display {
    padding: 2rem;
    text-align: center;
}

#qr-code-container {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

#qr-network-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-300);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  
}


.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    border-radius: var(--border-radius);
    min-width: 60px;
}

.nav-item i {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--gray-600);
    font-size: 0.9rem;
    border-top: 1px solid var(--gray-300);
    margin-top: 3rem;
 
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    z-index: 10000;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow);
}

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

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo-container {
        gap: 0.5rem;
    }
    
    .app-logo {
        height: 32px;
    }
    
    .app-header h1 {
        font-size: 1.25rem;
    }
    
    .footer-brand {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-logo {
        height: 24px;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .monitor-cards {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .network-info,
    .guest-info {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

@media (max-width: 480px) {
    .app-main {
        padding: 0.5rem;
    }
    
    .network-card,
    .qr-card,
    .guest-card,
    .monitor-card {
        padding: 1rem;
    }
    
    .setting-item {
        padding: 1rem;
    }
    
    .nav-item span {
        font-size: 0.7rem;
    }
    
    .nav-item i {
        font-size: 1.1rem;
    }
}

/* FAQ Styles */
.faq-content {
    padding: 1rem;
}

.faq-category {
    margin-bottom: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

.category-title i {
    font-size: 1.3rem;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background-color: var(--gray-100);
}

.faq-question[aria-expanded="true"] {
    background-color: var(--primary-color);
    color: var(--white);
}

.faq-icon {
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1rem 1rem 1rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.faq-answer p {
    margin-bottom: 1rem;
}

.faq-answer ol,
.faq-answer ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
}

.faq-answer strong {
    color: var(--danger-color);
    font-weight: 600;
}

/* Dark mode FAQ styles */
[data-theme="dark"] .faq-question {
    color: var(--white);
    background-color: var(--gray-800);
}

[data-theme="dark"] .faq-question:hover {
    background-color: var(--gray-700);
}

[data-theme="dark"] .faq-answer {
    color: var(--gray-300);
    background-color: var(--gray-800);
}

[data-theme="dark"] .category-title {
    color: var(--primary-color);
    border-bottom-color: var(--gray-600);
}

/* Privacy and Terms Styles */
.privacy-content,
.terms-content {
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section,
.terms-section {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.privacy-section h3,
.terms-section h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

.privacy-section p,
.terms-section p {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.privacy-section ul,
.terms-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-section li,
.terms-section li {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.privacy-section a,
.terms-section a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.privacy-section a:hover,
.terms-section a:hover {
    text-decoration: underline;
}

.privacy-footer,
.terms-footer {
    background: var(--gray-100);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 2rem;
    text-align: center;
}

.privacy-footer p,
.terms-footer p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Footer Links */
.footer-links {
    margin-top: 1rem;
    text-align: center;
}

.footer-link {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-separator {
    color: var(--gray-400);
    margin: 0 0.5rem;
}

/* Dark mode Privacy and Terms styles */
[data-theme="dark"] .privacy-section,
[data-theme="dark"] .terms-section {
    background: var(--gray-800);
}

[data-theme="dark"] .privacy-section h3,
[data-theme="dark"] .terms-section h3 {
    color: var(--primary-color);
    border-bottom-color: var(--gray-600);
}

[data-theme="dark"] .privacy-section p,
[data-theme="dark"] .terms-section p,
[data-theme="dark"] .privacy-section li,
[data-theme="dark"] .terms-section li {
    color: var(--gray-300);
}

[data-theme="dark"] .privacy-footer,
[data-theme="dark"] .terms-footer {
    background: var(--gray-700);
}

[data-theme="dark"] .privacy-footer p,
[data-theme="dark"] .terms-footer p {
    color: var(--gray-400);
}

[data-theme="dark"] .footer-link {
    color: var(--gray-400);
}

[data-theme="dark"] .footer-link:hover {
    color: var(--primary-color);
}

[data-theme="dark"] .footer-separator {
    color: var(--gray-500);
}

/* Dark mode logo styles */
[data-theme="dark"] .app-logo {
    filter: brightness(0) invert(1); /* Keep logo white in dark mode header */
}

[data-theme="dark"] .footer-logo {
    filter: none; /* Keep original colors in footer */
}

/* External Link Buttons */
.btn[href] {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn[href]:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn[href] i {
    font-size: 1rem;
}

/* Legal Documents Styling */
.legal-document {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.legal-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid var(--gray-300);
}

.legal-header h1 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.legal-header .last-updated {
    color: var(--gray-600);
    font-size: 0.9em;
}

.legal-section {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.legal-section h2 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.legal-section h3 {
    color: var(--gray-700);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.legal-section p {
    margin-bottom: 10px;
    color: var(--gray-600);
}

.legal-section ul {
    margin: 10px 0;
    padding-left: 20px;
}

.legal-section li {
    margin-bottom: 5px;
    color: var(--gray-600);
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.back-button {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.back-button:hover {
    background: #1976D2;
    transform: translateY(-2px);
}

.contact-info {
    background: #e8f4fd;
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    margin-top: 30px;
}

.contact-info h3 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.contact-info p {
    margin-bottom: 5px;
}

.contact-info a {
    color: var(--primary-color);
    font-weight: bold;
}

.warning-box {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-left: 4px solid #f39c12;
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 15px 0;
}

.warning-box h4 {
    color: #856404;
    margin-bottom: 10px;
}

.warning-box p {
    color: #856404;
    margin-bottom: 5px;
}

/* Dark mode styles for legal documents */
[data-theme="dark"] .legal-section {
    background: var(--gray-800);
}

[data-theme="dark"] .legal-section h2 {
    color: var(--text-color);
}

[data-theme="dark"] .legal-section h3 {
    color: var(--primary-color);
}

[data-theme="dark"] .legal-section p,
[data-theme="dark"] .legal-section li {
    color: var(--gray-300);
}

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

[data-theme="dark"] .contact-info {
    background: var(--gray-800);
}

[data-theme="dark"] .contact-info h3 {
    color: var(--text-color);
}

[data-theme="dark"] .contact-info p {
    color: var(--gray-300);
}

[data-theme="dark"] .contact-info a {
    color: var(--primary-color);
}

[data-theme="dark"] .warning-box {
    background: #3d2f00;
    border-color: #664d00;
}

[data-theme="dark"] .warning-box h4,
[data-theme="dark"] .warning-box p {
    color: #ffc107;
}