/* Reset und Grundlagen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #0e4b99 100%);
    color: #e0e0e0;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #00d4ff, #5200ff);
    border-radius: 2px;
}

.header h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #00d4ff, #5200ff, #ff6b35);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    font-weight: 700;
}

.header p {
    color: #a0a0a0;
    font-size: 1.2rem;
    font-weight: 300;
}

/* Grid Layout */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.info-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.results-section {
    grid-column: 1 / -1;
    margin-top: 20px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* Tab System */
.tab-container {
    margin-bottom: 30px;
}

.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px 10px 0 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab.active {
    background: rgba(0, 212, 255, 0.2);
    border-color: #00d4ff;
    color: #00d4ff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* IP Version Toggle */
.ip-version-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.ip-version-btn {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    color: #a0a0a0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ip-version-btn.active {
    background: linear-gradient(135deg, #00d4ff, #5200ff);
    color: white;
}

/* Floating Particles Animation */
.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    animation: float 6s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0 20px 0;
    margin-top: 60px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    color: #00d4ff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-section p, .footer-section li {
    color: #a0a0a0;
    line-height: 1.6;
    margin-bottom: 8px;
}

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

.footer-section a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 30px;
    color: #666;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #00d4ff, #5200ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

/* Utility Classes */
.coordinates {
    color: #00d4ff;
    font-weight: 600;
}

.email-link {
    color: #00d4ff;
    text-decoration: none;
}

.email-link:hover {
    text-decoration: underline;
}

.loading {
    color: #00d4ff;
    font-style: italic;
}

.ipv6-field {
    font-family: 'Courier New', monospace;
    font-size: 14px;
}