{# Toast/Notification Container - placeholder for real-time event notifications #}
<div id="toast-container" class="toast-container"></div>

<style>
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    min-width: 300px;
    max-width: 500px;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--error);
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
}

.toast.toast-success {
    border-left-color: #10b981;
}

.toast.toast-error {
    border-left-color: var(--red-500);
}

.toast.toast-warning {
    border-left-color: var(--yellow-500);
}

.toast.toast-blocked {
    border-left-color: var(--red-500);
}

.toast.toast-budget-exceeded {
    border-left-color: var(--red-500);
}

.toast.toast-burn-rate-exceeded {
    border-left-color: var(--yellow-500);
}

.toast.toast-token-limit-exceeded {
    border-left-color: var(--yellow-500);
}

.toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.toast-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.toast-error-code {
    font-family: monospace;
    color: var(--error);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast.closing {
    animation: slideOut 0.3s ease-out;
}

.toast-actions {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.toast-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--blue-500);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.15s;
}

.toast-link:hover {
    background: var(--blue-600);
}

/* Confirmation Modal */
.confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease-out;
}

.confirm-modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.3s ease-out;
}

.confirm-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.confirm-modal-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.confirm-modal-body {
    padding: 1.5rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.confirm-modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.confirm-btn {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.confirm-btn-cancel {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.confirm-btn-cancel:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.confirm-btn-primary {
    background: var(--blue-500);
    color: white;
    border-color: var(--blue-500);
}

.confirm-btn-primary:hover {
    background: var(--blue-600);
    border-color: var(--blue-600);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
</style>

<script>
// Toast notification system (placeholder for real-time events)
(function() {
    const container = document.getElementById('toast-container');
    if (!container) return;
    
    /**
     * Show a toast notification
     * @param {Object} event - Event object
     *   Format 1 (legacy): { type, seq, ts, reason, error_code, run_id }
     *   Format 2 (new): { type, title, message, action: {label, url} }
     * @param {number} duration - Auto-hide duration in ms (0 = never auto-hide)
     */
    window.showToast = function(event, duration = 5000) {
        const toast = document.createElement('div');
        toast.className = `toast toast-${event.type}`;
        
        // Determine title (new format or legacy)
        let title = event.title || 
                   (event.type === 'success' ? 'SUCCESS' :
                    event.type === 'error' ? 'ERROR' :
                    event.type === 'warning' ? 'WARNING' :
                    event.type === 'blocked' ? 'BLOCKED' :
                    event.type === 'budget_exceeded' ? 'BUDGET EXCEEDED' :
                    event.type === 'burn_rate_exceeded' ? 'BURN RATE EXCEEDED' :
                    event.type === 'token_limit_exceeded' ? 'TOKEN LIMIT EXCEEDED' :
                    'NOTIFICATION');
        
        // Determine message (new format or legacy)
        const message = event.message || event.reason || 'No details available';
        
        // Build action link (new format or legacy)
        let actionHtml = '';
        if (event.action) {
            actionHtml = `<div class="toast-actions">
                <a href="${event.action.url}" class="toast-link">${escapeHtml(event.action.label)}</a>
            </div>`;
        } else if (event.run_id) {
            actionHtml = `<div class="toast-actions">
                <a href="/runs/${encodeURIComponent(event.run_id)}/replay" class="toast-link">View Replay</a>
            </div>`;
        }
        
        // Build meta info (for legacy events)
        let metaHtml = '';
        if (event.seq || event.ts || event.error_code) {
            metaHtml = `<div class="toast-meta">
                ${event.seq ? `<span>Step ${event.seq}</span>` : ''}
                ${event.ts ? `<span>${new Date(event.ts).toLocaleTimeString()}</span>` : ''}
                ${event.error_code ? `<span class="toast-error-code">${escapeHtml(event.error_code)}</span>` : ''}
            </div>`;
        }
        
        toast.innerHTML = `
            <div class="toast-header">
                <span class="toast-title">${escapeHtml(title)}</span>
                <button class="toast-close" onclick="this.closest('.toast').remove()">×</button>
            </div>
            <div class="toast-message">${escapeHtml(message)}</div>
            ${metaHtml}
            ${actionHtml}
        `;
        
        container.appendChild(toast);
        
        // Auto-hide after duration
        if (duration > 0) {
            setTimeout(() => {
                toast.classList.add('closing');
                setTimeout(() => toast.remove(), 300);
            }, duration);
        }
        
        return toast;
    };
    
    function escapeHtml(text) {
        const div = document.createElement('div');
        div.textContent = text;
        return div.innerHTML;
    }
    
    /**
     * Show a confirmation dialog
     * @param {string} message - Confirmation message
     * @returns {Promise<boolean>} - Resolves to true if confirmed, false if cancelled
     */
    window.showConfirm = function(message) {
        return new Promise((resolve) => {
            const modal = document.createElement('div');
            modal.className = 'confirm-modal';
            modal.innerHTML = `
                <div class="confirm-modal-overlay"></div>
                <div class="confirm-modal-content">
                    <div class="confirm-modal-header">
                        <span class="confirm-modal-title">CONFIRM ACTION</span>
                    </div>
                    <div class="confirm-modal-body">${escapeHtml(message)}</div>
                    <div class="confirm-modal-footer">
                        <button class="confirm-btn confirm-btn-cancel">Cancel</button>
                        <button class="confirm-btn confirm-btn-primary">Confirm</button>
                    </div>
                </div>
            `;
            
            document.body.appendChild(modal);
            
            // Handle confirm
            modal.querySelector('.confirm-btn-primary').onclick = () => {
                modal.remove();
                resolve(true);
            };
            
            // Handle cancel
            const cancel = () => {
                modal.remove();
                resolve(false);
            };
            modal.querySelector('.confirm-btn-cancel').onclick = cancel;
            modal.querySelector('.confirm-modal-overlay').onclick = cancel;
            
            // Focus primary button
            setTimeout(() => modal.querySelector('.confirm-btn-primary').focus(), 100);
        });
    };
    
    /**
     * Connect to SSE event stream (placeholder)
     * TODO: Replace with actual SSE implementation
     */
    window.connectEventStream = function(runId) {
        // Placeholder: no-op
        // Real implementation would:
        // 1. Create EventSource('/api/runs/' + runId + '/events')
        // 2. Listen for 'message' events
        // 3. Parse event data and call showToast()
        console.log('Event stream connection placeholder for run:', runId);
    };
})();
</script>