/* Ping Tester - Professional Styles */

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

.ping-wrapper {
    max-width: 950px;
    margin: 0 auto;
}

.ping-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.ping-badge {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.ping-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    font-family: 'Poppins', sans-serif;
}

.ping-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Input Section */
.ping-input-section {
    margin-bottom: 1.5rem;
}

.ping-input-group {
    margin-bottom: 1rem;
}

.ping-input-wrapper {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    border: 1px solid var(--border);
}

.ping-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.ping-input-row {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.ping-input {
    flex: 1;
    padding: 0.8rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    font-family: 'Fira Code', monospace;
    min-width: 200px;
}

.ping-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.ping-input-hint {
    margin-top: 0.6rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-light);
}

.ping-input-hint strong {
    color: var(--text);
}

.use-ip-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.use-ip-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Settings */
.ping-settings {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0.8rem 1.2rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.ping-setting-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.ping-setting-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.ping-select {
    padding: 0.4rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.85rem;
    cursor: pointer;
}

.ping-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Loading State */
.ping-loading {
    text-align: center;
    padding: 2rem 1rem;
}

.ping-loading.hidden {
    display: none !important;
}

.ping-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border: 4px solid rgba(99, 102, 241, 0.15);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: ping-spin 0.8s linear infinite;
}

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

.ping-loading-text {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.ping-progress-bar {
    width: 100%;
    max-width: 400px;
    height: 6px;
    background: var(--border);
    border-radius: 10px;
    margin: 0 auto 1rem;
    overflow: hidden;
}

.ping-progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: 10px;
    width: 0%;
    transition: width 0.3s ease;
}

.ping-live-status {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Fira Code', monospace;
}

#livePingUnit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

/* Results Area */
.ping-results {
    animation: ping-fadeIn 0.5s ease;
}

.ping-results.hidden {
    display: none !important;
}

@keyframes ping-fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.ping-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ping-result-label {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.ping-result-target {
    font-size: 0.85rem;
    color: var(--text-light);
    font-family: 'Fira Code', monospace;
}

/* Summary Grid */
.ping-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ping-summary-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.ping-summary-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.ping-summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Fira Code', monospace;
}

.ping-summary-label {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Details Table */
.ping-details-table-wrapper {
    margin-bottom: 1.5rem;
}

.ping-details-table-wrapper h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.ping-table-scroll {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.ping-details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.ping-details-table thead {
    background: var(--bg);
}

.ping-details-table th {
    padding: 0.8rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.ping-details-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-family: 'Fira Code', monospace;
}

.ping-details-table tr:last-child td {
    border-bottom: none;
}

.ping-details-table tr:hover td {
    background: var(--bg);
}

.ping-status-success {
    color: #22c55e;
}

.ping-status-fail {
    color: #ef4444;
}

/* Quality Assessment */
.ping-quality-assessment {
    margin-bottom: 1.5rem;
}

.ping-quality-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    background: var(--bg);
    border-radius: 50px;
    border: 1px solid var(--border);
}

.ping-quality-icon {
    font-size: 1.5rem;
}

.ping-quality-badge span:last-child {
    font-weight: 600;
    color: var(--text);
}

/* Fun Fact Box */
.ping-funfact-box {
    background: var(--bg);
    border-radius: 16px;
    padding: 1rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.ping-funfact-icon {
    font-size: 1.5rem;
}

.ping-funfact-box span:last-child {
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text);
}

/* Action Buttons */
.ping-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.primary-action-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.9rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
}

.primary-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

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

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

.secondary-action-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.7rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
}

.secondary-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.7rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
}

.action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Error State */
.ping-error {
    text-align: center;
    padding: 2rem 1rem;
    color: #ef4444;
}

.ping-error.hidden {
    display: none !important;
}

.ping-error span {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.ping-error p {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.ping-error .primary-action-btn {
    background: #ef4444;
}

.ping-error .primary-action-btn:hover {
    background: #dc2626;
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.3);
}

/* Reference Section */
.ping-reference {
    margin-top: 2rem;
}

.ping-reference h3 {
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
    color: var(--text);
}

.ping-reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.ping-ref-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.ping-ref-card:hover {
    border-color: var(--primary);
}

.ping-ref-card h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
    font-weight: 600;
}

.ping-ref-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

.last-updated {
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
}

.toc {
    background: var(--bg);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.toc li {
    list-style: none;
    margin-bottom: 0.3rem;
}

.toc a {
    color: var(--primary);
    text-decoration: none;
}

.toc a:hover {
    text-decoration: underline;
}

/* Comparison Table */
.ping-comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--bg);
    border-radius: 12px;
    overflow: hidden;
}

.ping-comparison-table th,
.ping-comparison-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.ping-comparison-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.ping-comparison-table tr:last-child td {
    border-bottom: none;
}

/* Feature List */
.ping-feature-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.ping-feature-list li {
    background: var(--bg);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .ping-container {
        padding: 0 1rem;
    }
    
    .ping-title {
        font-size: 2rem;
    }
    
    .ping-badge {
        font-size: 0.6rem;
        padding: 0.1rem 0.6rem;
    }
    
    .ping-card {
        padding: 1.2rem;
    }
    
    .ping-input-row {
        flex-direction: column;
    }
    
    .ping-input {
        min-width: auto;
        width: 100%;
    }
    
    .primary-action-btn {
        width: 100%;
    }
    
    .ping-settings {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .ping-summary-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
    }
    
    .ping-summary-value {
        font-size: 1.2rem;
    }
    
    .ping-summary-card {
        padding: 0.8rem;
    }
    
    .ping-reference-grid {
        grid-template-columns: 1fr;
    }
    
    .ping-feature-list {
        grid-template-columns: 1fr;
    }

    .ping-comparison-table {
        font-size: 0.8rem;
    }
    
    .ping-comparison-table th,
    .ping-comparison-table td {
        padding: 0.5rem;
    }
    
    .ping-input-hint {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .ping-summary-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    .ping-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ping-actions button {
        width: 100%;
        justify-content: center;
    }
    
    .ping-details-table {
        font-size: 0.75rem;
    }
    
    .ping-details-table th,
    .ping-details-table td {
        padding: 0.4rem 0.6rem;
    }
}