:root {
    --primary-color: #3f51b5;
    --primary-light: #757de8;
    --primary-dark: #002984;
    --accent-color: #ff4081;
    --accent-light: #ff79b0;
    --accent-dark: #c60055;
    
    --bg-color: #ffffff;
    --text-color: #333333;
    --container-bg: #f5f5f5;
    --heading-color: #333333;
    --good-bg: #dff0d8;
    --good-border: #3c763d;
    --warning-bg: #fcf8e3;
    --warning-border: #8a6d3b;
    --bad-bg: #f2dede;
    --bad-border: #a94442;
    --progress-bg: #ddd;
    --instructions-bg: #e7f3fe;
    --phase-bg: #f9f9f9;
    --border-color: #ddd;
    --button-shadow: rgba(0,0,0,0.1);
    --card-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.dark-mode {
    --primary-color: #5c6bc0;
    --primary-light: #8e99f3;
    --primary-dark: #26418f;
    --accent-color: #ff4081;
    --accent-light: #ff79b0;
    --accent-dark: #c60055;
    
    --bg-color: #121212;
    --text-color: #f0f0f0;
    --container-bg: #1e1e1e;
    --heading-color: #f0f0f0;
    --good-bg: #1b3a1b;
    --good-border: #3c763d;
    --warning-bg: #3a3520;
    --warning-border: #8a6d3b;
    --bad-bg: #3a2020;
    --bad-border: #a94442;
    --progress-bg: #333333;
    --instructions-bg: #1a3a50;
    --phase-bg: #2a2a2a;
    --border-color: #444444;
    --button-shadow: rgba(0,0,0,0.3);
    --card-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

/* Global styles enhancement */
* {
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4 {
    font-weight: 500;
    color: var(--heading-color);
}

h1 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

/* Container styling enhancements */
.diagnostic-container {
    background-color: var(--container-bg);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
}

/* Button styling enhancements */
button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    margin: 10px 0;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 2px 4px var(--button-shadow);
}

button:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--button-shadow);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px var(--button-shadow);
}

#fix-button {
    background-color: #2196F3;
}

#fix-button:hover {
    background-color: #0b7dda;
}

#export-button {
    background-color: #FF9800;
}

#export-button:hover {
    background-color: #F57C00;
}

#advanced-button {
    background-color: var(--accent-color);
}

#advanced-button:hover {
    background-color: var(--accent-light);
}

#roadmap-button {
    background-color: #9C27B0;
}

#roadmap-button:hover {
    background-color: #7B1FA2;
}

/* Button container enhancement */
.button-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

/* Result styling enhancements */
.result-container {
    margin-top: 25px;
}

.result-item {
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px var(--button-shadow);
}

.good {
    background-color: var(--good-bg);
    border-left: 5px solid var(--good-border);
}

.warning {
    background-color: var(--warning-bg);
    border-left: 5px solid var(--warning-border);
}

.bad {
    background-color: var(--bad-bg);
    border-left: 5px solid var(--bad-border);
}

/* Progress bar enhancement */
#progress {
    width: 100%;
    background-color: var(--progress-bg);
    border-radius: 10px;
    margin: 15px 0;
    overflow: hidden;
}

#progress-bar {
    height: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 10px;
    width: 0%;
    text-align: center;
    line-height: 20px;
    color: white;
    font-weight: 500;
    transition: width 0.4s ease;
}

/* Instructions enhancement */
.instructions {
    background-color: var(--instructions-bg);
    border-left: 5px solid #2196F3;
    padding: 15px;
    margin-top: 20px;
    display: none;
    border-radius: 8px;
}

/* Phase styling enhancement */
.phase {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 12px;
    background-color: var(--phase-bg);
    box-shadow: var(--card-shadow);
}

.phase h3 {
    margin-top: 0;
    color: var(--heading-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

/* Page transition enhancements */
#main-page, #roadmap-page, #history-page, #router-info-page, 
#wifi-channel-page, #upload-test-page, #monitoring-page, 
#advanced-hub-page, #isp-outage-page, #vpn-analysis-page,
#bandwidth-breakdown-page, #hardware-rec-page, #premium-hub-page {
    display: none;
    animation: fadeIn 0.4s ease;
}

#main-page {
    display: block;
}

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

/* Back button enhancement */
.back-button {
    background-color: #607D8B;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.back-button:hover {
    background-color: #455A64;
}

/* History section enhancement */
.history-section {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.history-list {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-item {
    padding: 15px;
    margin-bottom: 0;
    border-radius: 8px;
    background-color: var(--container-bg);
    cursor: pointer;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--button-shadow);
}

.history-item.good {
    background-color: var(--good-bg);
    border-left: 3px solid var(--good-border);
}

.history-item.warning {
    background-color: var(--warning-bg);
    border-left: 3px solid var(--warning-border);
}

.history-item.bad {
    background-color: var(--bad-bg);
    border-left: 3px solid var(--bad-border);
}

.history-details {
    margin-top: 10px;
    font-size: 14px;
    padding-left: 10px;
    border-left: 2px solid var(--border-color);
}

.history-details p {
    margin: 5px 0;
}

.history-test-details {
    display: none;
    margin-top: 15px;
    padding: 15px;
    background-color: var(--container-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px var(--button-shadow);
    animation: slideDown 0.3s ease;
}

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

.test-detail-item {
    padding: 10px;
    margin-bottom: 8px;
    border-radius: 6px;
}

#clear-history-button {
    background-color: #f44336;
}

#clear-history-button:hover {
    background-color: #d32f2f;
}

/* Dark mode toggle button enhancement */
.mode-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 5px var(--button-shadow);
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.mode-toggle:hover {
    transform: rotate(30deg);
    background-color: #e0e0e0;
}

.dark-mode .mode-toggle:hover {
    background-color: #2c2c2c;
}

.mode-toggle i {
    font-size: 20px;
    color: var(--text-color);
}

/* Fix explanation enhancements */
.fix-explanation {
    margin-top: 10px;
    padding: 12px 15px;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    font-size: 14px;
    display: none;
    animation: fadeIn 0.3s ease;
}

.dark-mode .fix-explanation {
    background-color: rgba(255, 255, 255, 0.05);
}

.fix-details-toggle {
    display: inline-block;
    margin-top: 8px;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 14px;
    text-decoration: underline;
}

.fix-details-toggle:hover {
    color: var(--primary-light);
}

/* Feature grid enhancements */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.feature-card {
    background-color: var(--container-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px var(--button-shadow);
}

.feature-card h3 {
    margin-top: 0;
    color: var(--heading-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    font-size: 1.4rem;
}

.feature-card p {
    margin-bottom: 25px;
    min-height: 60px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.feature-nav-button, .feature-button {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 2px 4px var(--button-shadow);
}

.feature-nav-button:hover, .feature-button:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--button-shadow);
}

#run-all-advanced, #run-all-premium {
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 2px 4px var(--button-shadow);
}

#run-all-advanced:hover, #run-all-premium:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--button-shadow);
}

/* Monitor status display enhancement */
#monitoring-status-display {
    margin-top: 20px;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 8px;
    background-color: var(--container-bg);
    display: inline-block;
}

#monitoring-status-text.active {
    color: #4CAF50;
    font-weight: bold;
}

/* Feature result containers enhancement */
#router-info-results, #channel-results, #upload-results,
#isp-outage-results, #vpn-analysis-results, #bandwidth-results,
#hardware-results {
    margin-top: 25px;
}

/* Info cards and detail display enhancement */
.info-card {
    background-color: var(--container-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--card-shadow);
    animation: fadeIn 0.4s ease;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    flex-direction: column;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    transition: transform 0.2s ease;
}

.info-item:hover {
    transform: translateY(-3px);
}

.dark-mode .info-item {
    background-color: rgba(255, 255, 255, 0.05);
}

.info-label {
    font-weight: 500;
    font-size: 13px;
    margin-bottom: 8px;
    color: var(--text-color);
    opacity: 0.8;
}

.info-value {
    font-size: 18px;
    font-weight: 500;
}

.info-note {
    font-size: 13px;
    font-style: italic;
    color: #666;
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.02);
}

.dark-mode .info-note {
    color: #aaa;
    background-color: rgba(255, 255, 255, 0.03);
}

.recommendation-box {
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    border-left: 4px solid var(--primary-color);
}

.dark-mode .recommendation-box {
    background-color: rgba(255, 255, 255, 0.05);
}

.recommendation-box h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--heading-color);
    font-size: 1.1rem;
}

/* Speed test display enhancement */
.speed-display {
    text-align: center;
    margin: 30px 0;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
}

.dark-mode .speed-display {
    background-color: rgba(255, 255, 255, 0.03);
}

.speed-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
}

.speed-rating {
    font-size: 20px;
    margin-top: 10px;
    font-weight: 500;
}

.speed-details {
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.dark-mode .speed-details {
    background-color: rgba(255, 255, 255, 0.05);
}

.speed-details h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--heading-color);
    font-size: 1.1rem;
}

.speed-details ul {
    margin: 0;
    padding-left: 25px;
}

.speed-details li {
    margin-bottom: 8px;
}

/* Text colors enhancement */
.good-text {
    color: #4CAF50;
}

.warning-text {
    color: #FFC107;
}

.bad-text {
    color: #F44336;
}

.premium-text {
    color: var(--accent-color);
    font-weight: 500;
}

/* Loading indicator enhancement */
.loading {
    text-align: center;
    padding: 30px;
    font-style: italic;
    color: var(--text-color);
    opacity: 0.7;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: 10px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    vertical-align: middle;
}

.dark-mode .loading::after {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Monitoring section enhancements */
.monitoring-section {
    margin-top: 25px;
    padding: 20px;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    animation: fadeIn 0.4s ease;
}

.monitoring-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 10px;
}

.monitor-button {
    background-color: var(--primary-color);
    padding: 10px 18px;
}

.monitor-button:hover {
    background-color: var(--primary-light);
}

/* Chart enhancements */
.chart-wrapper {
    margin-top: 25px;
    background-color: rgba(0, 0, 0, 0.02);
    padding: 20px;
    border-radius: 12px;
}

.dark-mode .chart-wrapper {
    background-color: rgba(255, 255, 255, 0.03);
}

.chart-wrapper h4 {
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 500;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    height: 150px;
    gap: 3px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.ping-bar {
    flex: 1;
    min-width: 10px;
    background-color: #4CAF50;
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
    transition: height 0.3s ease;
}

.ping-good {
    background-color: #4CAF50;
}

.ping-medium {
    background-color: #FFC107;
}

.ping-high {
    background-color: #FF9800;
}

.ping-failed {
    background-color: #F44336;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}

.chart-label {
    flex: 1;
    text-align: center;
    font-size: 11px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: var(--text-color);
    opacity: 0.7;
}

.monitor-stats {
    margin-top: 25px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

/* Premium feature specific styles */
.premium-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 10px;
    vertical-align: middle;
}

.premium-card {
    border-top: 4px solid var(--accent-color);
}

.data-chart {
    height: 300px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    margin: 15px 0;
    position: relative;
    overflow: hidden;
}

.dark-mode .data-chart {
    background-color: rgba(255, 255, 255, 0.03);
}

.chart-bar {
    position: absolute;
    bottom: 0;
    width: 10%;
    background-color: var(--primary-color);
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
    transition: height 0.5s ease;
}

.chart-label-x {
    position: absolute;
    bottom: 5px;
    text-align: center;
    font-size: 11px;
    color: var(--text-color);
    opacity: 0.7;
    width: 10%;
}

.app-icon {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    vertical-align: middle;
    background-color: #ddd;
    border-radius: 4px;
}

.dark-mode .app-icon {
    background-color: #444;
}

.hardware-recommendation {
    display: flex;
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.dark-mode .hardware-recommendation {
    background-color: rgba(255, 255, 255, 0.03);
}

.hardware-image {
    width: 80px;
    height: 80px;
    background-color: #ddd;
    border-radius: 8px;
    margin-right: 15px;
    flex-shrink: 0;
}

.dark-mode .hardware-image {
    background-color: #444;
}

.hardware-details {
    flex-grow: 1;
}

.hardware-details h4 {
    margin-top: 0;
    margin-bottom: 8px;
}

.hardware-price {
    font-weight: bold;
    color: var(--accent-color);
}

.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-up {
    background-color: #4CAF50;
}

.status-issues {
    background-color: #FFC107;
}

.status-down {
    background-color: #F44336;
}

.status-unknown {
    background-color: #9E9E9E;
}

.collapsible-section {
    margin-top: 15px;
}

.collapsible-header {
    padding: 10px 15px;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.dark-mode .collapsible-header {
    background-color: rgba(255, 255, 255, 0.05);
}

.collapsible-header:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .collapsible-header:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.collapsible-content {
    padding: 15px;
    display: none;
    animation: slideDown 0.3s ease;
}

.vpn-comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.vpn-column {
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    text-align: center;
}

.dark-mode .vpn-column {
    background-color: rgba(255, 255, 255, 0.03);
}

.vpn-column.highlight {
    border: 2px solid var(--primary-color);
}

.vpn-header {
    font-weight: bold;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.vpn-value {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 10px 0;
}

/* Media Queries */
@media (max-width: 768px) {
    body {
        padding: 15px 10px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-top: 50px;
    }
    
    .diagnostic-container {
        padding: 15px;
    }
    
    .button-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    button {
        margin: 5px 0;
        padding: 12px 15px;
        font-size: 16px;
    }
    
    #fix-button, #roadmap-button, #export-button, #history-button, #advanced-button {
        margin-left: 0;
    }
    
    .result-item {
        padding: 12px;
    }
    
    .mode-toggle {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }
    
    .monitor-stats, .info-grid, .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card p {
        min-height: auto;
    }
    
    .monitoring-controls {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 0;
    }
    
    .vpn-comparison {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px 5px;
    }
    
    h1 {
        font-size: 1.6rem;
    }
    
    .diagnostic-container {
        padding: 12px;
    }
    
    button {
        padding: 10px;
        font-size: 14px;
    }
    
    .info-item, .recommendation-box, .speed-details {
        padding: 12px;
    }
    
    .hardware-recommendation {
        flex-direction: column;
    }
    
    .hardware-image {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* Premium Button Styling */
#premium-button {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

#premium-button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff0, #f0f, #f00, #00f, #0ff);
    z-index: -1;
    animation: premium-border 5s linear infinite;
    opacity: 0.4;
    border-radius: 8px;
}

#premium-button:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 64, 129, 0.4);
}

@keyframes premium-border {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}

/* Premium Banner Styling */
.premium-banner {
    margin-top: 30px;
    padding: 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 64, 129, 0.1), rgba(63, 81, 181, 0.1));
    border: 1px solid var(--accent-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.premium-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 255, 0, 0.1), 
        rgba(255, 0, 255, 0.1), 
        rgba(255, 0, 0, 0.1), 
        rgba(0, 0, 255, 0.1), 
        rgba(0, 255, 255, 0.1));
    z-index: 0;
    animation: premium-bg 5s linear infinite;
}

.premium-banner h3, .premium-banner p, .premium-banner button {
    position: relative;
    z-index: 1;
}

.premium-banner h3 {
    color: var(--accent-color);
    margin-top: 0;
    font-weight: 600;
}

.premium-banner p {
    margin-bottom: 20px;
}

.premium-button {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.premium-button:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 64, 129, 0.4);
}

@keyframes premium-bg {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}