:root {
    --primary-color: #2c3e50;
    --primary-hover: #1a252f;
    --success-color: #5cb85c;
    --success-hover: #4cae4c;
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #777777;
    --border-color: #dddddd;
    --error-color: #d9534f;
    --navbar-bg: #ffffff;
    --navbar-text: #555555;
    --footer-bg: #222222;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid #e7e7e7;
    padding: 10px 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--navbar-text);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    padding: 10px 5px;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="%232c3e50"/><path d="M0 100 L100 0 L100 100 Z" fill="%2334495e" opacity="0.5"/></svg>') center/cover;
    background-color: var(--primary-color);
    padding: 60px 0;
    text-align: center;
    border-bottom: 3px solid var(--success-color);
}

.logo h1 {
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.logo h1 span {
    color: #bdc3c7;
}

.search-box-card {
    background-color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin: 0 auto;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.search-box-card h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.input-group {
    display: flex;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 4px;
    overflow: hidden;
}

#domain-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-right: none;
    border-radius: 4px 0 0 4px;
    outline: none;
    transition: border-color 0.2s;
}

#domain-input:focus {
    border-color: #999;
}

.btn-success {
    padding: 0 25px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background-color: var(--success-color);
    border: 1px solid var(--success-hover);
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-success:hover {
    background-color: var(--success-hover);
}

.ip-address-bar {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.ip-link {
    color: var(--primary-color);
    font-weight: bold;
}

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

.ip-whois-box {
    margin-top: 15px;
    text-align: left;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-main);
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid #e7e7e7;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: monospace;
}

main {
    flex: 1;
    padding: 40px 0;
}

.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}

.alert.error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

.hidden {
    display: none !important;
}

/* Results Layout */
.results-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: start;
}

#whois-card {
    grid-column: 1 / -1;
}

.result-block {
    background-color: var(--card-bg);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
}

.block-header {
    background-color: #f8f8f8;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
}

.block-header h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.block-body {
    padding: 20px;
}

.loader {
    text-align: center;
    color: var(--text-muted);
    font-weight: 500;
    padding: 20px 0;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    text-align: left;
    padding: 10px 15px;
    border-bottom: 1px solid #eeeeee;
    font-size: 14px;
}

.data-table th {
    background-color: #fdfdfd;
    font-weight: 600;
    color: #555;
    width: 25%;
    border-right: 1px solid #eeeeee;
}

.data-table tr:hover td {
    background-color: #fafafa;
}

.data-table tr:last-child td, .data-table tr:last-child th {
    border-bottom: none;
}

pre {
    background-color: #fcfcfc;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 13px;
    border: 1px solid #eee;
    white-space: pre-wrap;
    word-break: break-word;
    color: #333;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}

.badge.success {
    background-color: var(--success-color);
}

.badge.danger {
    background-color: var(--error-color);
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: #999999;
    padding: 30px 0;
    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.social-links a {
    color: #ffffff;
    background-color: #333333;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.social-links a:hover {
    background-color: var(--success-color);
}

@media (max-width: 768px) {
    .results-wrapper {
        grid-template-columns: 1fr;
    }

    .nav-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #domain-input {
        border-radius: 4px;
        border-right: 1px solid #ccc;
        margin-bottom: 10px;
    }
    
    .btn-success {
        border-radius: 4px;
        justify-content: center;
        padding: 15px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}