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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

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

.panel {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 30px;
    animation: fadeIn 0.3s ease;
}

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

.header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.header h1 {
    color: #333;
    font-size: 32px;
    margin-bottom: 10px;
}

.header h2 {
    color: #333;
    font-size: 24px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 14px;
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.user-info span {
    color: #666;
    font-size: 14px;
}

.login-form {
    max-width: 400px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: monospace;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    background: #f0f0f0;
    color: #333;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-danger {
    background: #ff4757;
    color: white;
}

.message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    display: none;
}

.message.show {
    display: block;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: none;
    color: #666;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #667eea;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-content {
    display: none;
}

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

.tab-content h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
}

.progress-area {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.progress-area.show {
    display: block;
}

.progress-item {
    padding: 8px 12px;
    margin-bottom: 8px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid #667eea;
    font-size: 13px;
}

.progress-item.success {
    border-left-color: #28a745;
}

.progress-item.error {
    border-left-color: #dc3545;
}

.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.account-list {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

table thead {
    background: #f8f9fa;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
    font-size: 14px;
}

table th {
    font-weight: 600;
    color: #333;
}

table td {
    color: #666;
}

table tbody tr:hover {
    background: #f8f9fa;
}

.empty {
    text-align: center;
    color: #999;
    padding: 40px !important;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-online {
    background: #d4edda;
    color: #155724;
}

.status-offline {
    background: #f8d7da;
    color: #721c24;
}

.status-connecting {
    background: #fff3cd;
    color: #856404;
}

@media (max-width: 768px) {
    .panel {
        padding: 20px;
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .toolbar {
        flex-wrap: wrap;
    }

    table {
        font-size: 12px;
    }

    table th,
    table td {
        padding: 8px;
    }
}