a2a-web-client 0.2.0

/* Reset and base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* Forms */
.agent-form, .message-form {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.agent-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.agent-form input[type="url"],
.message-form input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background: #3498db;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

button:hover {
    background: #2980b9;
}

/* Info section */
.info {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-top: 20px;
}

.info h2 {
    color: #34495e;
    margin-bottom: 10px;
}

.info ul {
    list-style: none;
    padding: 0;
}

.info li {
    padding: 5px 0;
}

code {
    background: #f4f4f4;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* Chat styles */
.task-id {
    background: #ecf0f1;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.chat-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.messages {
    min-height: 400px;
    max-height: 500px;
    overflow-y: auto;
    padding: 20px;
    background: #fafafa;
}

.message {
    margin-bottom: 15px;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.message-user {
    background: #e3f2fd;
    margin-left: 20%;
}

.message-assistant {
    background: white;
    margin-right: 20%;
    border: 1px solid #e0e0e0;
}

.message-system {
    background: #fff3cd;
    text-align: center;
    font-style: italic;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85em;
    color: #666;
}

.role {
    font-weight: bold;
    text-transform: capitalize;
}

.timestamp {
    font-size: 0.8em;
}

.message-content {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.no-messages {
    text-align: center;
    color: #999;
    padding: 40px;
}

/* Message form */
.message-form {
    padding: 15px 20px;
    margin: 0;
    border-radius: 0;
    border-top: 1px solid #e0e0e0;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group input {
    flex: 1;
    margin: 0;
}

.input-group button {
    margin: 0;
}

/* File upload label button */
.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #6c757d;
    color: white;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.2em;
    transition: background 0.2s;
}

.file-upload-label:hover {
    background: #5a6268;
}

/* File preview */
.file-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    margin-top: 10px;
    border: 1px solid #dee2e6;
}

.file-preview .file-name {
    flex: 1;
    font-size: 0.9em;
    color: #495057;
}

.file-preview .remove-file {
    background: #dc3545;
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.file-preview .remove-file:hover {
    background: #c82333;
}

/* Actions */
.actions {
    text-align: center;
    margin-top: 20px;
}

.actions a {
    color: #3498db;
    text-decoration: none;
}

.actions a:hover {
    text-decoration: underline;
}

/* Navigation */
.main-nav {
    margin: 20px 0;
}

.nav-link {
    display: inline-block;
    padding: 10px 20px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin-right: 10px;
}

.nav-link:hover {
    background: #2980b9;
}

/* Task state badges */
.task-state {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: bold;
    text-transform: uppercase;
}

.task-state-submitted {
    background: #e3f2fd;
    color: #1976d2;
}

.task-state-working {
    background: #fff3e0;
    color: #f57c00;
}

.task-state-completed {
    background: #e8f5e9;
    color: #388e3c;
}

.task-state-failed {
    background: #ffebee;
    color: #d32f2f;
}

.task-state-canceled {
    background: #f5f5f5;
    color: #616161;
}

.task-state-input-required {
    background: #f3e5f5;
    color: #7b1fa2;
}

.task-state-auth-required {
    background: #fce4ec;
    color: #c2185b;
}

.task-state-rejected {
    background: #ffebee;
    color: #c62828;
}

.task-state-unknown {
    background: #eceff1;
    color: #546e7a;
}

/* Notification banner */
.notification-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.notification-banner p {
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.notification-banner button {
    margin: 0;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 600;
}

.notification-banner .btn-primary {
    background: white;
    color: #667eea;
}

.notification-banner .btn-primary:hover {
    background: #f0f0f0;
}

.notification-banner .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.notification-banner .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Task header info */
.task-header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.task-header-info .task-id {
    margin: 0;
    flex: 1;
}

/* State progression visualization */
.state-progression {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e9ecef;
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    transition: all 0.3s ease;
    border: 3px solid #e9ecef;
}

.progress-step.active .step-circle {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.step-label {
    margin-top: 10px;
    font-size: 0.9em;
    color: #6c757d;
    font-weight: 500;
}

.progress-step.active .step-label {
    color: #667eea;
    font-weight: 600;
}

.progress-line {
    width: 80px;
    height: 3px;
    background: #e9ecef;
    margin: 0 10px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.progress-line.active {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

/* Task list */
.task-filters {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 20px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
    transition: all 0.2s;
}

.filter-btn:hover {
    background: #e0e0e0;
}

.filter-btn.active {
    background: #3498db;
    color: white;
}

.tasks-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.task-item {
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: box-shadow 0.2s;
}

.task-item:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.task-meta {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 10px;
}

.task-preview {
    color: #555;
    font-size: 0.95em;
    margin-bottom: 10px;
    line-height: 1.4;
}

.task-actions {
    display: flex;
    gap: 10px;
}

.no-tasks {
    text-align: center;
    color: #999;
    padding: 40px;
}

/* Button styles */
.btn-primary {
    display: inline-block;
    padding: 8px 16px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-danger {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.btn-danger:hover {
    background: #c0392b;
}

/* Info section updates */
.info h3 {
    color: #34495e;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.1em;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.hero h1 {
    color: white;
    margin: 0 0 10px 0;
    font-size: 2.5em;
}

.hero-subtitle {
    font-size: 1.2em;
    opacity: 0.95;
    margin: 0;
}

/* Quick actions */
.quick-actions {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.quick-actions h2 {
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 20px;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.action-card {
    padding: 25px 20px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.action-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.action-card h3 {
    margin: 0 0 8px 0;
    color: #2c3e50;
    font-size: 1.1em;
}

.action-card p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9em;
}

/* Workflow visualization */
.workflow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.workflow-step {
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    line-height: 40px;
    font-weight: bold;
    font-size: 1.2em;
    margin-bottom: 10px;
}

.step-content h4 {
    margin: 10px 0 5px 0;
    color: #2c3e50;
}

.step-content p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9em;
}

/* Features list */
.features-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.features-list li {
    padding: 8px 0;
    color: #495057;
}

/* Tech details */
.tech-details {
    margin-top: 25px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.tech-details summary {
    cursor: pointer;
    font-weight: bold;
    color: #495057;
    padding: 5px;
}

.tech-details summary:hover {
    color: #667eea;
}

.tech-details p {
    margin: 10px 0;
    color: #6c757d;
}

/* Expense form styles */
.expense-form {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 20px 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.file-upload {
    border: 2px dashed #ced4da;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.2s;
}

.file-upload:hover {
    border-color: #667eea;
    background: #e7f1ff;
}

.file-upload input[type="file"] {
    display: none;
}

.upload-icon {
    font-size: 3em;
    margin-bottom: 10px;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    transition: transform 0.2s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    .hero h1 {
        font-size: 1.8em;
    }

    .action-grid {
        grid-template-columns: 1fr;
    }

    .workflow {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .message-user,
    .message-assistant {
        margin-left: 0;
        margin-right: 0;
    }

    .task-filters {
        flex-direction: column;
    }

    .task-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .task-header-info {
        flex-direction: column;
        align-items: flex-start;
    }
}