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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 15px 30px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    font-weight: 500;
}

.tab-button:hover {
    color: var(--text-primary);
    background: rgba(37, 99, 235, 0.1);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Search Container */
.search-container {
    margin-bottom: 30px;
}

.input-group {
    display: flex;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto;
}

#ip-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

#ip-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

#ip-input::placeholder {
    color: var(--text-secondary);
}

.check-button {
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.check-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.check-button:active {
    transform: translateY(0);
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.hidden {
    display: none;
}

/* Results */
.results {
    margin-top: 30px;
    animation: fadeIn 0.5s ease;
}

.result-card {
    background: var(--bg-tertiary);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.result-ip {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.status-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.status-safe {
    background: rgba(16, 185, 129, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

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

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

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.detail-item {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.detail-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
}

/* Last Report Tab */
.last-report-container {
    text-align: center;
}

.last-report-container h2 {
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--text-primary);
}

.last-report-results {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Report IP Tab */
.report-container {
    max-width: 600px;
    margin: 0 auto;
}

.report-container h2 {
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--text-primary);
    text-align: center;
}

.report-form {
    background: var(--bg-tertiary);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-button {
    width: 100%;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

.report-message {
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    margin-top: 15px;
}

.report-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.report-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
}

/* Certificates Tab */
.certificates-container {
    text-align: center;
}

.certificates-container h2 {
    margin-bottom: 40px;
    font-size: 2rem;
    color: var(--text-primary);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.badge-item {
    background: var(--bg-tertiary);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.badge-item:hover {
    transform: translateY(-5px);
}

.badge-item h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.badge-item img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.badge-item:hover img {
    transform: scale(1.05);
}

.abuseipdb-badge {
    width: 381px;
    border-radius: 5px;
    border-top: 5px solid #058403;
    border-right: 5px solid #111;
    border-bottom: 5px solid #111;
    border-left: 5px solid #058403;
    padding: 5px;
    background: #35c246 linear-gradient(rgba(255,255,255,0), rgba(255,255,255,.3) 50%, rgba(0,0,0,.2) 51%, rgba(0,0,0,0));
    box-shadow: 2px 2px 1px 1px rgba(0, 0, 0, .2);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* IP Purity Scanner specific styles */
#purity-scanner-tab .search-container {
    margin-bottom: 30px;
}

#purity-scanner-tab .input-group {
    display: flex;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto;
}

#purity-ip-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

#purity-ip-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

#purity-ip-input::placeholder {
    color: var(--text-secondary);
}

.purity-check-button {
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.purity-check-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.purity-check-button:active {
    transform: translateY(0);
}

/* API Tab */
.api-container {
    text-align: center;
}

.api-container h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--text-primary);
}

.api-container p {
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.api-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    text-align: left;
}

.api-example {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.api-example h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.api-example pre {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    margin: 0;
}

.api-example code {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    header h1 {
        font-size: 2rem;
    }

    .input-group {
        flex-direction: column;
    }

    .check-button {
        width: 100%;
    }

    .result-details {
        grid-template-columns: 1fr;
    }

    .abuseipdb-badge {
        width: 100%;
        max-width: 381px;
    }

    #purity-scanner-tab .input-group {
        flex-direction: column;
    }

    #purity-scanner-tab .purity-check-button {
        width: 100%;
    }

    .api-examples {
        grid-template-columns: 1fr;
    }
}