/* AI Agent Chat — Token Exchange Demo Styles */

.ac-panel {
    background: var(--card-bg, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 24px;
    margin-top: 16px;
}

.ac-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.ac-header h3 { margin: 0; color: var(--text-color); }

.ac-status { width: 12px; height: 12px; border-radius: 50%; background: #9ca3af; }
.ac-status--healthy { background: #059669; box-shadow: 0 0 8px rgba(5,150,105,0.5); }
.ac-status--down { background: #dc2626; }

.ac-source-info {
    padding: 10px 14px;
    margin-bottom: 16px;
    background: rgba(30, 64, 175, 0.04);
    border: 1px dashed rgba(30, 64, 175, 0.2);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    line-height: 1.5;
}

.ac-empty { text-align: center; color: var(--secondary-color); padding: 24px; }
.ac-empty-sm { text-align: center; color: var(--secondary-color); font-size: 0.85rem; padding: 12px; }

.ac-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
}

@media (max-width: 900px) {
    .ac-layout { grid-template-columns: 1fr; }
}

/* Chat messages */
.ac-messages {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    background: var(--bg-color);
    margin-bottom: 12px;
}

.ac-msg {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    padding: 6px 0;
}

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

.ac-msg-body { flex: 1; }

.ac-msg-text {
    font-size: 0.85rem;
    color: var(--text-color);
    line-height: 1.4;
}

.ac-msg-time {
    font-size: 0.7rem;
    color: var(--secondary-color);
    margin-left: 8px;
}

.ac-msg--error .ac-msg-text { color: var(--error-color); }
.ac-msg--success .ac-msg-text { color: var(--success-color); }

/* Action buttons */
.ac-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ac-btn {
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
    color: #fff;
}

.ac-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ac-btn--primary { background: var(--accent-color, #1e40af); }
.ac-btn--primary:hover:not(:disabled) { background: var(--accent-hover, #1e3a8a); }
.ac-btn--success { background: var(--success-color, #059669); }
.ac-btn--success:hover:not(:disabled) { background: #047857; }
.ac-btn--danger { background: var(--error-color, #dc2626); }
.ac-btn--danger:hover:not(:disabled) { background: #b91c1c; }

/* Delegation chain */
.ac-chain {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.ac-chain-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    width: 100%;
    text-align: center;
}

.ac-chain-node--human { border-left: 3px solid #3b82f6; }
.ac-chain-node--agent { border-left: 3px solid #f59e0b; }
.ac-chain-node--policy { border-left: 3px solid #059669; }
.ac-chain-node--api { border-left: 3px solid #8b5cf6; }
.ac-chain-node--denied { border-left: 3px solid #dc2626; background: rgba(220,38,38,0.05); }

.ac-chain-icon { font-size: 1.2rem; }
.ac-chain-label { font-size: 0.75rem; font-weight: 600; color: var(--secondary-color); text-transform: uppercase; letter-spacing: 0.5px; }
.ac-chain-value { font-size: 0.8rem; color: var(--text-color); font-family: 'SF Mono', monospace; }
.ac-chain-detail { font-size: 0.75rem; color: var(--secondary-color); }
.ac-chain-arrow { font-size: 0.7rem; color: var(--secondary-color); padding: 2px 0; }

/* Details grid */
.ac-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
}

.ac-detail-item {
    font-size: 0.8rem;
    color: var(--text-color);
    padding: 4px 8px;
    background: var(--bg-color);
    border-radius: 4px;
}

.ac-permit { color: var(--success-color); font-weight: 700; }
.ac-deny { color: var(--error-color); font-weight: 700; }

.ac-downstream-pre {
    background: rgba(0,0,0,0.04);
    padding: 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    overflow-x: auto;
    max-height: 200px;
    border-left: 3px solid var(--success-color);
    color: var(--text-color);
}

body.dark-mode .ac-downstream-pre { background: rgba(255,255,255,0.04); }
body.dark-mode .ac-source-info { background: rgba(99,102,241,0.06); border-color: rgba(99,102,241,0.2); }

.ac-claims-side h4 {
    margin: 16px 0 8px;
    font-size: 0.9rem;
    color: var(--text-color);
}

.ac-claims-side h4:first-child { margin-top: 0; }

.ac-diagram-collapse { margin: 0 0 12px; border: 1px solid var(--border-color, #e5e7eb); border-radius: 8px; overflow: hidden; }
.ac-diagram-collapse summary { cursor: pointer; padding: 10px 14px; font-size: 0.85rem; font-weight: 600; background: var(--card-bg, #f3f4f6); user-select: none; }
.ac-diagram-collapse summary:hover { background: var(--hover-bg, #e5e7eb); }
.ac-diagram-wrap { padding: 12px; text-align: center; background: #fff; }
.ac-diagram-wrap svg { display: block; margin: 0 auto; }