/**
 * Network Intelligence Explorer - Styling
 * Professional network diagnostics dashboard CSS
 * Matches existing EJS page structure
 */

/* Root variables */
:root {
    --color-primary: #0066cc;
    --color-primary-light: #0080ff;
    --color-secondary: #666;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: 0.3s ease;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1f2937;
        --color-bg-alt: #111827;
        --color-border: #374151;
        --color-text: #f3f4f6;
        --color-text-light: #d1d5db;
    }
}

/* Container */
.network-explorer-container {
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Header */
.explorer-header {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 40px 20px 20px;
    text-align: center;
}

.explorer-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.explorer-tagline {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Search Section */
.search-section {
    max-width: 800px;
    margin: 30px auto;
    padding: 0 20px;
}

.search-container {
    position: relative;
    margin-bottom: 20px;
}

.search-input-wrapper {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.search-button {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    background-color: var(--color-primary);
    color: white;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-button:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.search-suggestions {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin-top: 10px;
    display: none;
}

.suggestion-group {
    padding: 16px;
}

.suggestion-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.suggestion-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.suggestion-item {
    padding: 10px 12px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition);
    font-size: 0.95rem;
}

.suggestion-item:hover {
    border-color: var(--color-primary);
    background-color: rgba(0, 102, 204, 0.05);
}

/* Loading State */
.loading-state {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    flex-direction: column;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 50px;
    height: 50px;
}

.spinner-ring {
    position: absolute;
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 35px;
    height: 35px;
    animation-delay: 0.2s;
}

.spinner-ring:nth-child(3) {
    width: 20px;
    height: 20px;
    animation-delay: 0.4s;
}

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

.loading-text {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 20px;
}

/* Error State */
.error-state {
    display: none;
    max-width: 800px;
    margin: 20px auto;
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 20px;
}

@media (prefers-color-scheme: dark) {
    .error-state {
        background-color: #7f1d1d;
        border-color: #991b1b;
    }
}

.error-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.error-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-error);
    margin: 0 0 10px;
}

.error-message {
    color: var(--color-error);
    margin: 0 0 15px;
    line-height: 1.5;
}

.error-retry {
    padding: 10px 20px;
    background-color: var(--color-error);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition);
}

.error-retry:hover {
    opacity: 0.9;
}

/* Results Dashboard */
.results-dashboard {
    display: none;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.input-summary {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(59, 130, 246, 0.1));
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 30px;
}

.summary-content {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.summary-label {
    font-weight: 600;
    color: var(--color-text-light);
}

.summary-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
    word-break: break-all;
}

.summary-type {
    padding: 4px 8px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Results Container */
.results-container {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

/* Result Panel */
.result-panel {
    display: none;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

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

.panel-header {
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.panel-title {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-button {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-weight: 700;
    color: var(--color-text-light);
    transition: all var(--transition);
}

.info-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(0, 102, 204, 0.1);
}

.panel-content {
    padding: 20px;
}

/* Information Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.info-item {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 16px;
    border: 1px solid var(--color-border);
}

.info-item label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.info-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    word-break: break-all;
    font-family: monospace;
}

/* DNS Tabs */
.dns-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--color-border);
}

.dns-tab {
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-light);
    transition: all var(--transition);
}

.dns-tab:hover {
    color: var(--color-primary);
}

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

/* DNS Records */
.dns-records-content {
    min-height: 100px;
}

.records-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.record-item {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 12px;
    border-left: 3px solid var(--color-primary);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.record-number {
    font-weight: 700;
    color: var(--color-primary);
    min-width: 80px;
    flex-shrink: 0;
}

.record-data {
    flex: 1;
    word-break: break-all;
    font-family: monospace;
    font-size: 0.9rem;
}

.record-ttl {
    color: var(--color-text-light);
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* Technology Stack */
.tech-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.tech-icon {
    font-size: 1.3rem;
}

.tech-name {
    font-weight: 600;
    color: var(--color-text-light);
    min-width: 100px;
}

/* SSL Status */
.ssl-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ssl-status {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.1rem;
}

.ssl-valid {
    background-color: #d1fae5;
    color: #065f46;
}

.ssl-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.ssl-error {
    background-color: #fee2e2;
    color: #991b1b;
}

@media (prefers-color-scheme: dark) {
    .ssl-valid {
        background-color: #064e3b;
        color: #d1fae5;
    }
    .ssl-warning {
        background-color: #78350f;
        color: #fef3c7;
    }
    .ssl-error {
        background-color: #7f1d1d;
        color: #fee2e2;
    }
}

.ssl-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ssl-detail {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 10px;
    background-color: var(--color-bg-alt);
    border-radius: 4px;
}

.ssl-label {
    font-weight: 600;
    color: var(--color-text-light);
}

/* Security & Reputation */
.reputation-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rep-item {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 12px;
    border-left: 3px solid var(--color-border);
}

.rep-success {
    border-left-color: var(--color-success);
}

.rep-warning {
    border-left-color: var(--color-warning);
}

.rep-error {
    border-left-color: var(--color-error);
}

.rep-info {
    border-left-color: var(--color-info);
}

.rep-label {
    font-weight: 600;
    color: var(--color-text-light);
    margin-right: 12px;
}

/* Map Container */
.map-container {
    padding: 20px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    text-align: center;
}

.map-placeholder {
    padding: 40px 20px;
}

.map-placeholder p {
    margin: 12px 0;
    color: var(--color-text);
}

.map-coordinates {
    font-family: monospace;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Latency Results */
.latency-results {
    display: none;
}

.latency-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-item {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 16px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.stat-item span:first-child {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-value {
    display: block !important;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.latency-graph {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--color-border);
    min-height: 200px;
}

/* Test Button */
.test-button {
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition);
}

.test-button:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Export Section */
.export-section {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
    justify-content: center;
}

.export-button {
    padding: 12px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 600;
}

.export-button:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: white;
}

/* Education Overlay */
.education-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 2000;
    flex-direction: column;
}

.education-content {
    background-color: var(--color-bg);
    border-radius: var(--radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.overlay-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition);
    padding: 8px;
}

.overlay-close:hover {
    color: var(--color-text);
}

.education-title {
    padding: 20px 20px 10px;
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    border-bottom: 1px solid var(--color-border);
}

.education-body {
    padding: 20px;
    line-height: 1.6;
}

/* Toolbox Nav */
.toolbox-nav {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.nav-back {
    display: inline-block;
    padding: 10px 16px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition);
}

.nav-back:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Risk Assessment */
.risk-assessment {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
    border: 1px solid var(--color-border);
}

.risk-assessment h3 {
    margin: 0 0 12px;
    font-size: 1rem;
    color: var(--color-text);
}

.risk-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.risk-badge {
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Responsive Design */
/* Tablet Responsive (768px and below) */
@media (max-width: 768px) {
    /* Header */
    .explorer-header {
        margin: 0 auto 30px;
        padding: 24px 16px 16px;
    }

    .explorer-title h1 {
        font-size: 1.8rem;
        margin: 0 0 8px;
    }

    .explorer-tagline {
        font-size: 0.95rem;
    }

    /* Search Section */
    .search-section {
        margin: 20px auto;
        padding: 0 16px;
    }

    .search-input-wrapper {
        flex-direction: column;
        gap: 8px;
    }

    .search-input {
        padding: 12px 14px;
        font-size: 16px;
    }

    .search-button {
        width: 100%;
        padding: 12px 16px;
        font-size: 0.95rem;
        justify-content: center;
    }

    .search-suggestions {
        max-height: 60vh;
        overflow-y: auto;
    }

    .suggestion-items {
        gap: 6px;
    }

    .suggestion-item {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    /* Results Dashboard */
    .results-dashboard {
        margin: 30px auto;
        padding: 0 16px;
    }

    .input-summary {
        padding: 16px;
        margin-bottom: 20px;
    }

    .summary-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .summary-value {
        font-size: 1rem;
    }

    /* Panels */
    .result-panel {
        border-radius: 6px;
    }

    .panel-header {
        padding: 12px 16px;
        font-size: 1rem;
        flex-wrap: wrap;
    }

    .panel-title {
        gap: 6px;
        font-size: 0.95rem;
    }

    .info-button {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
        flex-shrink: 0;
    }

    .panel-content {
        padding: 16px;
    }

    /* Information Grid */
    .info-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .info-item {
        padding: 12px;
    }

    .info-item label {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }

    .info-value {
        font-size: 0.95rem;
    }

    /* DNS Tabs */
    .dns-tabs {
        gap: 6px;
        margin-bottom: 16px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .dns-tab {
        padding: 8px 12px;
        font-size: 0.9rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Records */
    .record-item {
        flex-direction: column;
        gap: 8px;
        padding: 10px;
    }

    .record-number {
        min-width: auto;
    }

    .record-data {
        font-size: 0.85rem;
    }

    /* Tech Stack */
    .tech-item {
        padding: 10px;
        gap: 10px;
    }

    .tech-icon {
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .tech-name {
        min-width: auto;
        font-size: 0.9rem;
    }

    /* SSL Details */
    .ssl-status {
        padding: 10px;
        font-size: 1rem;
    }

    .ssl-detail {
        flex-direction: column;
        gap: 8px;
        padding: 8px;
    }

    .ssl-label {
        margin-right: 0;
    }

    /* Map */
    .map-container {
        padding: 16px;
    }

    .map-placeholder {
        padding: 30px 16px;
    }

    /* Latency Stats */
    .latency-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-item {
        padding: 12px;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    /* Buttons */
    .test-button,
    .export-button {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .export-section {
        gap: 8px;
    }

    /* Reputation List */
    .reputation-list {
        gap: 10px;
    }

    .rep-item {
        padding: 10px;
    }

    /* Toolbox Nav */
    .toolbox-nav {
        margin: 30px auto;
        padding: 0 16px;
    }
}