:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #3b82f6;
    --success-color: #059669;
    --error-color: #dc2626;
    --warning-color: #d97706;
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #cbd5e1;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark Theme */
body.dark-theme {
    --bg-color: #1e293b;
    --bg-secondary: #0f172a;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    position: relative;
}

header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-weight: 600;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Visitor IP Box */
.visitor-ip-box {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.ip-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.ip-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.ip-value {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ip-value:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.ip-value.ip-loaded {
    color: var(--success-color);
}

.ip-value.ip-unavailable {
    color: var(--text-secondary);
    font-style: italic;
    cursor: default;
}

.ip-value.ip-unavailable:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transform: none;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

/* Navigation */
.tool-nav {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.nav-btn {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.nav-btn .icon {
    font-size: 1.25rem;
}

.nav-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.nav-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

/* Tool Sections */
.tools-container {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    min-height: 400px;
}

.tool-section {
    display: none;
    animation: fadeIn 0.2s ease;
}

.tool-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool-header {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.tool-header h2 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-weight: 600;
}

.tool-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tool-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Input Groups */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.75rem;
}

label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

input[type="text"],
input[type="number"],
select {
    padding: 0.6rem 0.85rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select {
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

/* Result Box */
.result-box {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    min-height: 80px;
    max-height: none;
    overflow-y: visible;
    font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-primary);
}

.result-box:empty::before {
    content: "Les résultats s'afficheront ici...";
    color: var(--text-secondary);
    font-style: italic;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.result-box.loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-box.loading::before {
    content: "⏳ Chargement...";
    color: var(--warning-color);
    font-size: 0.9rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.result-box.error {
    border-color: var(--error-color);
    color: var(--error-color);
}

body.dark-theme .result-box.error {
    background: rgba(220, 38, 38, 0.1);
}

body:not(.dark-theme) .result-box.error {
    background: #fef2f2;
}

.result-box.success {
    border-color: var(--success-color);
}

/* Result Styling */
.result-item {
    margin-bottom: 0.75rem;
    padding: 0.6rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    border-left: 3px solid var(--primary-color);
}

.result-label {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 0.5rem;
    font-size: 0.85rem;
}

.result-value {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Whois Raw Data Section */
.whois-raw-section {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-left: 4px solid var(--primary-color);
    border-radius: 6px;
}

.whois-raw-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.whois-raw-text {
    white-space: pre-wrap;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
}

/* DNS Section Styling */
.dns-section {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-left: 4px solid var(--primary-color);
    border-radius: 6px;
}

.dns-section-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.dns-warning {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-left: 4px solid var(--warning-color);
    border-radius: 4px;
    color: var(--warning-color);
    font-weight: 500;
}

.conversion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

.conversion-card {
    background: var(--bg-color);
    padding: 0.85rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
}

.conversion-card-source {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

body.dark-theme .conversion-card-source {
    background: rgba(16, 185, 129, 0.1);
}

.conversion-card .unit {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
}

.conversion-card .value {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.copy-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.copy-btn:active {
    transform: scale(0.95);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Scrollbar */
.result-box::-webkit-scrollbar {
    width: 6px;
}

.result-box::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 3px;
}

.result-box::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.result-box::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* DNS Input Section */
.dns-input-section {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

.dns-input-section .input-group {
    margin-bottom: 0;
}

.dns-input-section .btn-primary {
    height: fit-content;
    padding: 0.75rem 2rem;
    white-space: nowrap;
}

/* DNS Grid Layout */
.dns-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.dns-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.panel-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.panel-header h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.panel-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* DNS Results Styling */
.dns-results {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.result-header {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dns-type-section {
    margin-bottom: 1.5rem;
}

.dns-type-header {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.dns-record {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
}

.dns-record-name {
    color: var(--text-primary);
    font-weight: 500;
    font-family: 'Courier New', monospace;
}

.dns-record-ttl {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.dns-record-data {
    color: var(--success-color);
    font-weight: 600;
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tool-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .tools-container {
        padding: 1rem;
    }

    .tool-header h2 {
        font-size: 1.2rem;
    }

    .input-row {
        grid-template-columns: 1fr;
    }

    .conversion-grid {
        grid-template-columns: 1fr;
    }

    .dns-input-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .dns-input-section .btn-primary {
        width: 100%;
    }

    .dns-grid {
        grid-template-columns: 1fr;
    }

    .visitor-ip-box {
        flex-direction: column;
        gap: 1rem;
    }

    .nmap-ports-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Nmap Styles */
.nmap-warning-box {
    background: rgba(217, 119, 6, 0.1);
    border: 2px solid var(--warning-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    color: var(--warning-color);
    font-weight: 500;
    text-align: center;
}

.nmap-results {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.nmap-header {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.nmap-header h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.nmap-target,
.nmap-state,
.nmap-scan-type {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.state-up {
    color: var(--success-color);
    font-weight: 600;
}

.state-down {
    color: var(--error-color);
    font-weight: 600;
}

.nmap-warning {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 6px;
    padding: 0.75rem;
    margin-bottom: 1.5rem;
    color: var(--error-color);
    font-size: 0.85rem;
}

.nmap-section {
    margin-bottom: 1.5rem;
}

.nmap-section-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.nmap-hostname {
    padding: 0.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.nmap-ports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.nmap-port-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    transition: all 0.2s ease;
}

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

.port-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    margin-bottom: 0.5rem;
}

.port-state {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.port-state.state-open {
    background: rgba(5, 150, 105, 0.2);
    color: var(--success-color);
}

.port-state.state-closed {
    background: rgba(220, 38, 38, 0.2);
    color: var(--error-color);
}

.port-state.state-filtered {
    background: rgba(217, 119, 6, 0.2);
    color: var(--warning-color);
}

.port-service {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.port-version {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.nmap-no-ports {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.nmap-os {
    padding: 0.75rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--success-color);
    font-weight: 600;
}

.nmap-stats {
    display: grid;
    gap: 0.5rem;
}

.stat-item {
    padding: 0.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    color: var(--primary-color);
    font-weight: 600;
    margin-left: 0.5rem;
}

.nmap-raw {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    line-height: 1.4;
}

.nmap-command {
    display: block;
    background: var(--bg-tertiary);
    padding: 0.75rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--success-color);
    overflow-x: auto;
}