/**
 * Looking Glass - Modern CSS Styles
 */

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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-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 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px 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;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 0;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

header h1 i {
    color: var(--primary-color);
    margin-right: 10px;
}

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

.router-selector {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
}

.router-selector label {
    font-weight: 600;
    color: var(--text-primary);
}

.router-selector select {
    flex: 1;
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.router-selector select:hover {
    border-color: var(--primary-color);
}

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

.router-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    background: var(--bg-secondary);
    padding: 10px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 5px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:hover,
.form-group select:hover {
    border-color: var(--primary-color);
}

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

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.result-box {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: 5px;
    border: 1px solid var(--border-color);
    min-height: 100px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
}

.result-box.loading {
    color: var(--text-secondary);
    font-style: italic;
}

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

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

/* BGP Subtabs */
.bgp-subtabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.bgp-tab-btn {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.bgp-tab-btn:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.bgp-tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.bgp-tab-content {
    display: none;
}

.bgp-tab-content.active {
    display: block;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-secondary);
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .router-selector {
        flex-direction: column;
        align-items: flex-start;
    }

    .router-selector select {
        width: 100%;
    }
}

/* Scrollbar styling */
.result-box::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.result-box::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.result-box::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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