/* CSS Custom Properties for Enhanced Hacker Theme */
:root {
    --primary-green: #00ff6f;
    --secondary-green: #00d956;
    --accent-cyan: #00ffff;
    --accent-purple: #9d4edd;
    --dark-green: #0d2818;
    --bg-primary: #0b0f1a;
    --bg-secondary: #12182b;
    --bg-tertiary: #1e2a47;
    --bg-card: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    --text-green: #00ff6f;
    --border-color: #30363d;
    --border-accent: #00ff6f;
    --shadow-green: 0 0 25px rgba(0, 255, 111, 0.4);
    --shadow-green-intense: 0 0 40px rgba(0, 255, 111, 0.6);
    --shadow-cyan: 0 0 20px rgba(0, 255, 255, 0.3);
    --shadow-purple: 0 0 20px rgba(157, 78, 221, 0.3);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --code-bg: #0d1117;
    --code-border: #21262d;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--dark-green));
    border-bottom: 2px solid var(--primary-green);
    box-shadow: var(--shadow-green);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo i {
    font-size: 2.5rem;
    color: var(--primary-green);
    text-shadow: var(--shadow-green);
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-green);
    text-shadow: var(--shadow-green);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.header-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.control-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.control-btn:hover {
    background: var(--primary-green);
    color: var(--bg-primary);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
}

/* Main Content */
.main {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

/* Search Section */
.search-section {
    margin-bottom: 40px;
}

.search-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-green);
    font-size: 1.1rem;
}

.search-box input {
    width: 100%;
    padding: 15px 50px 15px 50px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
}

.clear-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.clear-btn:hover {
    color: var(--primary-green);
}

.filter-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-controls select {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    min-width: 150px;
}

.filter-controls select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    text-shadow: var(--shadow-green);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Category Navigation */
.category-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-green);
    color: var(--bg-primary);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
}

/* Payload Cards */
.payloads-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.payload-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.payload-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 111, 0.1), rgba(0, 255, 255, 0.05), transparent);
    transition: left 0.6s ease-in-out;
}

.payload-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s;
}

.payload-card:hover::before {
    left: 100%;
}

.payload-card:hover::after {
    opacity: 1;
}

.payload-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-green), 0 0 60px rgba(0, 255, 111, 0.1);
    transform: translateY(-5px) scale(1.02);
    background: linear-gradient(135deg, var(--bg-card), rgba(0, 255, 111, 0.05));
}

.payload-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0, 255, 111, 0.2);
}

.payload-event {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-green);
    text-shadow: var(--shadow-green);
    background: linear-gradient(135deg, var(--primary-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-left: 25px;
}

.payload-event::before {
    content: '⚡';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-cyan);
    animation: sparkle 2s infinite;
    -webkit-text-fill-color: var(--accent-cyan);
}

@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.payload-tag {
    background: linear-gradient(135deg, var(--dark-green), rgba(0, 255, 111, 0.2));
    color: var(--text-green);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--primary-green);
    box-shadow: var(--shadow-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payload-description {
    color: var(--text-secondary);
    margin-bottom: 22px;
    font-style: italic;
    font-size: 1rem;
    line-height: 1.5;
    padding: 12px;
    background: rgba(0, 255, 111, 0.05);
    border-left: 3px solid var(--primary-green);
    border-radius: 0 8px 8px 0;
    position: relative;
}

.payload-description::before {
    content: '💡';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    padding: 2px;
    border-radius: 50%;
}

.payload-code-container {
    position: relative;
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.payload-code {
    background: var(--code-bg);
    border: 2px solid var(--code-border);
    border-radius: 12px;
    padding: 20px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--text-green);
    word-break: break-all;
    line-height: 1.6;
    white-space: pre-wrap;
    position: relative;
    overflow: auto;
    max-height: 200px;
    text-shadow: 0 0 5px rgba(0, 255, 111, 0.3);
}

.payload-code::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.payload-code::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

.payload-code::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 4px;
    box-shadow: var(--shadow-green);
}

.payload-code::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-green);
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--bg-primary);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-green);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.copy-btn:hover {
    background: linear-gradient(135deg, var(--secondary-green), var(--accent-cyan));
    box-shadow: var(--shadow-green-intense), var(--shadow-cyan);
    transform: translateY(-2px) scale(1.05);
}

.copy-btn:active {
    transform: translateY(0) scale(0.98);
}

.copy-btn.copied {
    background: linear-gradient(135deg, #4ade80, #22c55e);
    animation: copySuccess 0.6s ease;
}

@keyframes copySuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.copy-btn.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    animation: errorShake 0.5s ease;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Enhanced Visual Effects */
.payload-code::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-green), var(--accent-cyan), var(--accent-purple));
    border-radius: 14px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.payload-code:hover::before {
    opacity: 0.3;
    animation: borderGlow 2s infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.payload-compatibility {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 16px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 111, 0.1);
}

.payload-compatibility strong {
    color: var(--text-green);
    margin-right: 8px;
    font-size: 0.9rem;
}

.browser-compat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 16px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.browser-compat.compatible {
    background: linear-gradient(135deg, rgba(0, 255, 111, 0.2), rgba(0, 255, 255, 0.1));
    color: var(--text-green);
    border: 1px solid var(--primary-green);
    box-shadow: var(--shadow-green);
}

.browser-compat.compatible:hover {
    background: linear-gradient(135deg, rgba(0, 255, 111, 0.3), rgba(0, 255, 255, 0.2));
    transform: translateY(-1px);
}

.browser-compat.incompatible {
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.2), rgba(239, 68, 68, 0.1));
    color: #ff6b6b;
    border: 1px solid #ff6b6b;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.3);
}

.browser-compat.incompatible:hover {
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.3), rgba(239, 68, 68, 0.2));
    transform: translateY(-1px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--bg-secondary);
    margin: 10% auto;
    padding: 30px;
    border: 2px solid var(--primary-green);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-green-intense);
    position: relative;
}

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--primary-green);
}

.modal-content h2 {
    color: var(--primary-green);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    color: var(--text-primary);
}

.toggle-slider {
    position: relative;
    width: 60px;
    height: 30px;
    background: var(--bg-tertiary);
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

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

input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(30px);
    background: white;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--bg-primary);
    padding: 18px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-green-intense), 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1500;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 300px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
    animation: toastSlideIn 0.5s ease;
}

@keyframes toastSlideIn {
    0% {
        transform: translateY(100px) rotate(5deg);
        opacity: 0;
    }
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
}

/* Load More Button */
.load-more-section {
    text-align: center;
    margin: 40px 0;
}

.load-more-btn {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--bg-primary);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-green-intense);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--primary-green);
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 40px 0;
}

.footer-section h3 {
    color: var(--primary-green);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
}

.developer-credit {
    margin-top: 10px;
    padding: 10px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--dark-green));
    border-radius: 8px;
    display: inline-block;
    color: var(--text-primary);
    border: 1px solid var(--primary-green);
    box-shadow: var(--shadow-green);
}

.username {
    color: var(--primary-green);
    font-weight: bold;
    text-shadow: var(--shadow-green);
    padding: 0 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    border: 1px solid var(--primary-green);
}

.developer-credit i {
    color: var(--primary-green);
    margin: 0 5px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.matrix-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, transparent 98%, var(--primary-green) 100%),
        linear-gradient(180deg, transparent 98%, var(--primary-green) 100%);
    background-size: 50px 50px, 50px 50px;
    animation: matrixMove 20s linear infinite;
    opacity: 0.1;
}

@keyframes matrixMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Logo Enhancements */
.animated-icon {
    animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {
    0%, 100% { 
        text-shadow: var(--shadow-green);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 30px var(--primary-green), 0 0 40px var(--primary-green);
        transform: scale(1.1);
    }
}

.version-badge {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--bg-primary);
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 12px;
    margin-top: 5px;
    font-weight: bold;
    display: inline-block;
    box-shadow: var(--shadow-green);
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

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

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

.payload-card {
    animation: slideInUp 0.5s ease forwards;
    position: relative;
    overflow: hidden;
}

.payload-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.1), transparent);
    transition: left 0.5s;
}

.payload-card:hover::before {
    left: 100%;
}

/* Advanced Features */
.random-payload-highlight {
    animation: highlightPulse 3s ease-in-out;
    transform: scale(1.03);
    border: 3px solid var(--primary-green) !important;
    box-shadow: var(--shadow-green-intense), 0 0 80px rgba(0, 255, 111, 0.5) !important;
    background: linear-gradient(135deg, var(--bg-card), rgba(0, 255, 111, 0.15)) !important;
}

@keyframes highlightPulse {
    0%, 100% { 
        box-shadow: var(--shadow-green-intense), 0 0 80px rgba(0, 255, 111, 0.5);
        border-color: var(--primary-green);
        transform: scale(1.03);
    }
    33% { 
        box-shadow: var(--shadow-cyan), 0 0 100px rgba(0, 255, 255, 0.6);
        border-color: var(--accent-cyan);
        transform: scale(1.05);
    }
    66% { 
        box-shadow: var(--shadow-purple), 0 0 100px rgba(157, 78, 221, 0.6);
        border-color: var(--accent-purple);
        transform: scale(1.05);
    }
}

.export-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.export-content {
    background: var(--bg-secondary);
    margin: 5% auto;
    padding: 30px;
    border: 2px solid var(--primary-green);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-green-intense);
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.export-option {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.export-option:hover {
    background: var(--primary-green);
    color: var(--bg-primary);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-green);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .logo {
        flex-direction: column;
        gap: 10px;
    }
    
    .payloads-container {
        grid-template-columns: 1fr;
    }
    
    .search-container {
        align-items: stretch;
    }
    
    .filter-controls {
        flex-direction: column;
    }
    
    .filter-controls select {
        width: 100%;
    }
    
    .category-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .category-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header-controls {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .control-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
    
    .developer-credit {
        text-align: center;
        margin: 10px;
    }
}

@media (max-width: 480px) {
    .stats-section {
        grid-template-columns: 1fr;
    }
    
    .payload-card {
        padding: 20px;
    }
    
    .modal-content, .export-content {
        margin: 10% auto;
        padding: 20px;
        width: 95%;
    }
    
    .export-options {
        grid-template-columns: 1fr;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
}

/* Dark/Light theme support */
@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: #f5f5f5;
        --bg-secondary: #ffffff;
        --bg-tertiary: #e0e0e0;
        --text-primary: #333333;
        --text-secondary: #666666;
        --text-muted: #999999;
        --border-color: #cccccc;
    }
    
    body {
        background: var(--bg-primary);
    }
}