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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #e0e0e0;
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(52, 211, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.navbar {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    color: #10b981;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #e0e0e0;
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-link {
    color: #b0b0b0;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.nav-link.active {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
    flex: 1;
}

.checker-form {
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #ffffff;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(20, 20, 20, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #10b981;
    background: rgba(20, 20, 20, 0.9);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: #a0a0a0;
    font-size: 0.85rem;
}

.btn-primary {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-primary.loading .btn-loader {
    display: inline-block;
}

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

.results-section {
    margin-top: 2rem;
}

.results-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.results-container {
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.result-card {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.result-card:first-child {
    padding-top: 0;
}

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

.result-location {
    font-weight: 600;
    font-size: 1.125rem;
    color: #ffffff;
}

.result-provider {
    color: #a0a0a0;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.result-status {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-resolved {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid #10b981;
}

.status-failed {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.result-records {
    display: grid;
    gap: 0.75rem;
}

.record-item {
    background: rgba(20, 20, 20, 0.7);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid #10b981;
}

.record-item pre {
    margin: 0;
    color: #e0e0e0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.email-summary {
    margin-bottom: 2rem;
}

.summary-card {
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.summary-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.email-results-container {
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.email-result-card {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.email-result-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.email-result-card:first-child {
    padding-top: 0;
}

.email-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.email-result-title {
    font-weight: 600;
    font-size: 1.125rem;
    color: #ffffff;
}

.email-result-content {
    background: rgba(20, 20, 20, 0.7);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid #10b981;
}

.email-result-content pre {
    margin: 0;
    color: #e0e0e0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.status-badge {
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid #10b981;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid #f59e0b;
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.footer {
    text-align: center;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 4rem;
    background: rgba(20, 20, 20, 0.5);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    text-align: left;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-description {
    font-size: 0.95rem;
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.2);
    color: #ffffff;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.footer-links ul,
.footer-resources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li,
.footer-resources ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a,
.footer-resources ul li a {
    color: #b0b0b0;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links ul li a:hover,
.footer-resources ul li a:hover {
    color: #10b981;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-copyright {
    font-size: 0.85rem;
    color: #a0a0a0;
    margin: 0;
}

.footer-copyright a {
    color: #10b981;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #34d399;
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(20, 20, 20, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .container {
        padding: 1rem;
    }

    .checker-form,
    .results-container,
    .email-results-container,
    .summary-card {
        padding: 1.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}