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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

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

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

nav {
    margin-top: 15px;
}

.btn-nav {
    display: inline-block;
    padding: 10px 20px;
    background: var(--card-bg);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    font-weight: 600;
    transition: all 0.2s;
}

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

.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Form Panel */
.form-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.form-panel h2 {
    margin-bottom: 25px;
    color: var(--text-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Agents Panel */
.agents-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.panel-header h2 {
    margin: 0;
}

.badge {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.agents-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Agent Card */
.agent-item {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.2s;
}

.agent-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.agent-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.agent-item-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.agent-item-icon {
    font-size: 2rem;
}

.agent-item-details h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.agent-item-details .agent-id {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
}

.agent-item-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: 6px;
    font-size: 1.2rem;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: var(--border-color);
}

.btn-edit {
    color: var(--primary-color);
}

.btn-delete {
    color: var(--danger-color);
}

.btn-delete:hover {
    background: var(--danger-color);
    color: white;
}

.agent-item-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.agent-item-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-label {
    font-weight: 600;
}

/* Responsive */
@media (max-width: 968px) {
    .dashboard-content {
        grid-template-columns: 1fr;
    }

    .agents-panel {
        max-height: none;
    }
}

/* Success/Error Messages */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

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

.message-success {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid var(--success-color);
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid var(--danger-color);
}

.message-warning {
    background: #fef3c7;
    color: #92400e;
    border: 2px solid #f59e0b;
}