/* ═══════════════════════════════════════════════════════════════════════════
   AGENT BUILDER STYLES
   FILE: css/agentBuilder.css
   PHASE: 10 - Agent Builder

   Provides styling for the 8-step agent creation wizard.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────────────
   LAYOUT
   ─────────────────────────────────────────────────────────────────────────── */

.agent-builder {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 120px);
    background: var(--bg-secondary, #f8f9fa);
}

.builder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-primary, #fff);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    position: sticky;
    top: 0;
    z-index: 100;
}

.builder-header .header-content h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.builder-header .step-subtitle {
    margin: 0.25rem 0 0 0;
    color: var(--text-secondary, #666);
    font-size: 0.875rem;
}

.builder-header .header-actions {
    display: flex;
    gap: 0.75rem;
}

.builder-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.builder-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-primary, #fff);
    border-top: 1px solid var(--border-color, #e0e0e0);
}

/* ───────────────────────────────────────────────────────────────────────────
   PROGRESS BAR
   ─────────────────────────────────────────────────────────────────────────── */

.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 2rem;
    background: var(--bg-primary, #fff);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    overflow-x: auto;
    overflow-y: visible;
    gap: 0.5rem;
    min-height: 90px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1rem;
    min-width: 90px;
    opacity: 0.5;
    transition: all 0.2s ease;
}

.progress-step.accessible {
    cursor: pointer;
    opacity: 0.7;
}

.progress-step.accessible:hover {
    background: var(--bg-hover, #f5f5f5);
    border-radius: 8px;
    opacity: 1;
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 1;
}

.progress-step .step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    background: var(--bg-secondary, #f0f0f0);
    color: var(--text-secondary, #666);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.progress-step.active .step-number {
    background: var(--primary-color, #0d9488);
    color: white;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3);
}

.progress-step.completed .step-number {
    background: var(--success-color, #4caf50);
    color: white;
}

.progress-step .step-name {
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    text-align: center;
    line-height: 1.3;
    white-space: nowrap;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-step.active .step-name {
    color: var(--primary-color, #0d9488);
    font-weight: 600;
}

/* Connector lines between steps */
.progress-connector {
    flex: 0 0 20px;
    height: 2px;
    background: var(--border-color, #e0e0e0);
    align-self: flex-start;
    margin-top: 18px; /* Align with center of step number */
}

.progress-connector.completed {
    background: var(--success-color, #4caf50);
}

/* ───────────────────────────────────────────────────────────────────────────
   STEP CONTENT
   ─────────────────────────────────────────────────────────────────────────── */

.step-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-primary, #fff);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.step-intro {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.step-intro h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.step-intro p {
    margin: 0;
    color: var(--text-secondary, #666);
}

/* ───────────────────────────────────────────────────────────────────────────
   FORM ELEMENTS
   ─────────────────────────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary, #1a1a1a);
}

.form-group label .required {
    color: var(--error-color, #f44336);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-primary, #1a1a1a);
    background: var(--bg-primary, #fff);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color, #0d9488);
    box-shadow: 0 0 0 3px var(--primary-light, rgba(25, 118, 210, 0.1));
}

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

.form-textarea.code-textarea {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.form-hint {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary, #666);
}

.form-hint ul {
    margin: 0.5rem 0 0 1.25rem;
    padding: 0;
}

.form-hint ul li {
    margin-bottom: 0.25rem;
}

.form-hint.warning {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--warning-light, #fff3e0);
    border-radius: 8px;
    color: var(--warning-color, #f57c00);
}

.form-hint.warning .material-icons {
    font-size: 1.25rem;
}

/* System prompt addendum (read-only) */
.readonly-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    margin-left: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--info-bg, #e3f2fd);
    color: var(--info-color, #0d9488);
    border-radius: 4px;
    vertical-align: middle;
}

.system-prompt-addendum {
    padding: 1rem;
    background: var(--bg-secondary, #f5f5f5);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary, #555);
    font-style: italic;
}

.system-prompt-addendum p {
    margin: 0;
}

.form-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-secondary, #e0e0e0);
    appearance: none;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color, #0d9488);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.temperature-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    margin-top: 0.25rem;
}

/* ───────────────────────────────────────────────────────────────────────────
   VALIDATION
   ─────────────────────────────────────────────────────────────────────────── */

.validation-errors {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--error-light, #ffebee);
    border-radius: 8px;
    border-left: 4px solid var(--error-color, #f44336);
}

.validation-errors .error {
    color: var(--error-color, #f44336);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.validation-errors .error:last-child {
    margin-bottom: 0;
}

/* ───────────────────────────────────────────────────────────────────────────
   TOOL SELECTION
   ─────────────────────────────────────────────────────────────────────────── */

.tool-section {
    margin-bottom: 2rem;
}

.tool-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.tool-card {
    border: 2px solid var(--border-color, #e0e0e0);
    border-radius: 12px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary, #fff);
}

.tool-card:hover {
    border-color: var(--primary-color, #0d9488);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.15);
}

.tool-card.selected {
    border-color: var(--primary-color, #0d9488);
    background: var(--primary-light, #e3f2fd);
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.tool-card-header .tool-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.tool-type-badge {
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary, #f0f0f0);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.tool-card-body h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.tool-card-body p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #666);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
}

.selected-tools-summary {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 8px;
    font-size: 0.875rem;
}

/* ───────────────────────────────────────────────────────────────────────────
   EMR CATEGORIES
   ─────────────────────────────────────────────────────────────────────────── */

.emr-config.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.emr-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.emr-category-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.emr-category-item:hover {
    background: var(--bg-hover, #f5f5f5);
}

.emr-category-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.emr-category-item .material-icons {
    font-size: 1.25rem;
    color: var(--text-secondary, #666);
}

/* ───────────────────────────────────────────────────────────────────────────
   PUBLISH STEP
   ─────────────────────────────────────────────────────────────────────────── */

.publish-summary {
    margin-bottom: 2rem;
}

.publish-summary h3 {
    margin: 0 0 1rem 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.summary-list {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 0.75rem 1rem;
}

.summary-list dt {
    font-weight: 500;
    color: var(--text-secondary, #666);
}

.summary-list dd {
    margin: 0;
    color: var(--text-primary, #1a1a1a);
}

.publish-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
}

/* ───────────────────────────────────────────────────────────────────────────
   STATES
   ─────────────────────────────────────────────────────────────────────────── */

.loading-state,
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    color: var(--text-secondary, #666);
}

.loading-state .material-icons,
.empty-state .material-icons {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.loading-state .spinning {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.empty-state p {
    margin: 0.25rem 0;
}

/* ───────────────────────────────────────────────────────────────────────────
   BUTTONS
   ─────────────────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn .material-icons {
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--primary-color, #0d9488);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark, #1565c0);
}

.btn-secondary {
    background: var(--bg-secondary, #f0f0f0);
    color: var(--text-primary, #1a1a1a);
}

.btn-secondary:hover {
    background: var(--bg-hover, #e0e0e0);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color, #e0e0e0);
    color: var(--text-primary, #1a1a1a);
}

.btn-outline:hover {
    background: var(--bg-hover, #f5f5f5);
}

.delete-btn {
    color: var(--error-color, #f44336);
}

.delete-btn:hover {
    background: var(--error-light, #ffebee);
}

/* ───────────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ─────────────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .builder-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .progress-bar {
        padding: 0.75rem;
    }

    .progress-step {
        min-width: 50px;
        padding: 0.25rem;
    }

    .progress-step .step-name {
        display: none;
    }

    .step-content {
        padding: 1.5rem;
    }

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

    .emr-category-grid {
        grid-template-columns: 1fr 1fr;
    }

    .summary-list {
        grid-template-columns: 1fr;
    }

    .summary-list dt {
        margin-bottom: 0.25rem;
    }

    .publish-actions {
        flex-direction: column;
    }

    .publish-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .emr-category-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   DASHBOARD STYLES
   ═══════════════════════════════════════════════════════════════════════════ */

.agent-dashboard {
    padding: 1.5rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.dashboard-header .header-left h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.dashboard-header .header-left .text-muted {
    margin: 0.25rem 0 0 0;
    color: var(--text-secondary, #666);
}

.dashboard-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-secondary, #666);
}

.agents-section {
    margin-bottom: 2rem;
}

.agents-section h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

/* Agent Card */
.agent-card {
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.agent-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.agent-card-published {
    border-left: 3px solid var(--success-color, #28a745);
}

.agent-card-draft {
    border-left: 3px solid var(--warning-color, #ffc107);
}

.agent-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.agent-icon {
    font-size: 1.5rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-published {
    background: var(--success-bg, #d4edda);
    color: var(--success-color, #28a745);
}

.status-draft {
    background: var(--warning-bg, #fff3cd);
    color: var(--warning-dark, #856404);
}

.agent-card-content {
    padding: 1rem;
}

.agent-card-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.agent-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.5rem 0;
    font-size: 0.8125rem;
    color: var(--text-secondary, #666);
}

.agent-divider {
    opacity: 0.5;
}

.agent-description {
    margin: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #666);
    line-height: 1.4;
}

.agent-stats-summary {
    display: flex;
    gap: 1rem;
    margin: 0.75rem 0 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary, #666);
}

.agent-stats-summary span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.agent-stats-summary .material-icons {
    font-size: 1rem;
    opacity: 0.7;
}

.agent-card-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-top: 1px solid var(--border-color, #e0e0e0);
    flex-wrap: wrap;
}

.agent-card-actions .btn {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
}

.agent-card-actions .btn .material-icons {
    font-size: 1rem;
}

.agent-card-actions .btn-ghost {
    margin-left: auto;
}

.empty-state-small {
    padding: 2rem;
    text-align: center;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 8px;
}

.empty-state-small .text-muted {
    color: var(--text-secondary, #666);
    margin: 0;
}

/* Header with back button */
.builder-header .header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.back-to-dashboard-btn {
    padding: 0.5rem;
    border-radius: 50%;
}

.back-to-dashboard-btn:hover {
    background: var(--bg-secondary, #f8f9fa);
}

/* Warning button style */
.btn-warning {
    background: var(--warning-color, #ffc107);
    color: var(--warning-dark, #856404);
    border: none;
}

.btn-warning:hover {
    background: #e0a800;
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

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

    .agent-card-actions {
        flex-direction: column;
    }

    .agent-card-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .agent-card-actions .btn-ghost {
        margin-left: 0;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PHASE 10.2: AGENT CHAT STYLES
   ═══════════════════════════════════════════════════════════════════════════ */

.agent-chat-container {
    display: flex;
    flex-direction: column;
    height: 500px;
    max-height: 60vh;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.chat-header .material-icons {
    font-size: 1.5rem;
    color: var(--primary-color, #2196F3);
}

.chat-header .agent-name {
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.chat-header .typing-indicator {
    margin-left: auto;
    font-size: 0.8125rem;
    color: var(--text-secondary, #666);
    font-style: italic;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Stateless Mode Badge */
.stateless-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
    padding: 0.25rem 0.5rem;
    background: var(--warning-bg, #fff3cd);
    color: var(--warning-color, #856404);
    border: 1px solid var(--warning-border, #ffc107);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: help;
}

.stateless-badge .material-icons {
    font-size: 0.875rem !important;
    color: inherit !important;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    color: var(--text-secondary, #666);
}

.chat-welcome .material-icons {
    font-size: 3rem;
    color: var(--primary-color, #2196F3);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.chat-welcome p {
    margin: 0.25rem 0;
}

.chat-welcome .hint {
    font-size: 0.8125rem;
    opacity: 0.7;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
}

.chat-message.chat-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.chat-assistant {
    align-self: flex-start;
}

.chat-message.chat-error {
    align-self: center;
}

.message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary, #f8f9fa);
}

.chat-user .message-avatar {
    background: var(--primary-color, #2196F3);
    color: white;
}

.chat-assistant .message-avatar {
    background: var(--bg-secondary, #f8f9fa);
    color: var(--primary-color, #2196F3);
}

.chat-error .message-avatar {
    background: var(--error-bg, #ffebee);
    color: var(--error-color, #d32f2f);
}

.message-avatar .material-icons {
    font-size: 1.25rem;
}

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: var(--bg-secondary, #f8f9fa);
    border: 1px solid var(--border-color, #e0e0e0);
}

.chat-user .message-bubble {
    background: var(--primary-color, #2196F3);
    color: white;
    border-color: var(--primary-color, #2196F3);
}

.chat-error .message-bubble {
    background: var(--error-bg, #ffebee);
    color: var(--error-color, #d32f2f);
    border-color: var(--error-color, #d32f2f);
}

.message-content {
    line-height: 1.5;
    word-wrap: break-word;
}

.tools-used {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
}

.tool-badge .material-icons {
    font-size: 0.875rem;
}

.chat-user .tools-used {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.chat-user .tool-badge {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.chat-input-container {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.chat-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    resize: none;
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.4;
    transition: border-color 0.2s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color, #2196F3);
}

.chat-input:disabled {
    background: var(--bg-secondary, #f8f9fa);
    color: var(--text-secondary, #666);
    cursor: not-allowed;
}

.send-message-btn {
    padding: 0.75rem;
    min-width: 48px;
    border-radius: 8px;
}

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

.test-info {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--info-bg, #e3f2fd);
    border-radius: 8px;
    font-size: 0.8125rem;
    color: var(--info-color, #0d9488);
}

.test-info p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.test-info .material-icons {
    font-size: 1rem;
}

.test-info .warning {
    margin-top: 0.5rem;
    color: var(--warning-color, #f57c00);
}

.chat-actions {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

/* Responsive chat */
@media (max-width: 768px) {
    .agent-chat-container {
        height: 400px;
    }

    .chat-message {
        max-width: 95%;
    }

    .message-avatar {
        width: 32px;
        height: 32px;
    }

    .message-avatar .material-icons {
        font-size: 1rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PHASE 10.3: KNOWLEDGE BASE STYLES
   ═══════════════════════════════════════════════════════════════════════════ */

.step-knowledge .knowledge-config {
    margin-top: 1.5rem;
}

.step-knowledge .knowledge-config.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.section-hint {
    margin: 0 0 1rem 0;
    color: var(--text-secondary, #666);
    font-size: 0.875rem;
}

.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.document-card {
    background: var(--bg-primary, #fff);
    border: 2px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.document-card:hover {
    border-color: var(--primary-light, #64b5f6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.document-card.selected {
    border-color: var(--primary-color, #2196F3);
    background: var(--primary-bg, #e3f2fd);
}

.document-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary, #f8f9fa);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.document-card.selected .document-card-header {
    background: var(--primary-light, #bbdefb);
}

.document-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.document-icon {
    color: var(--primary-color, #2196F3);
    font-size: 1.25rem;
}

.document-card-content {
    padding: 0.75rem;
}

.document-card-content h4 {
    margin: 0 0 0.25rem 0;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary, #1a1a1a);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-category {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    margin-right: 0.5rem;
}

.document-meta {
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
}

.selected-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--success-bg, #e8f5e9);
    border-radius: 8px;
    color: var(--success-color, #2e7d32);
    font-weight: 500;
}

.selected-count .material-icons {
    font-size: 1.25rem;
}

.rag-settings {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.rag-settings h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text-primary, #1a1a1a);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.rag-settings .form-group {
    margin-bottom: 0;
}

.rag-settings input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

.range-value {
    display: inline-block;
    min-width: 3em;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color, #2196F3);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* Responsive knowledge */
@media (max-width: 768px) {
    .document-grid {
        grid-template-columns: 1fr;
    }

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

/* ═══════════════════════════════════════════════════════════════════════════
   EXECUTION TRACE PANEL
   E2E visibility for agent testing - shows tool execution flow
   ═══════════════════════════════════════════════════════════════════════════ */

.execution-trace {
    margin-top: 0.75rem;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-primary, #fff);
}

.trace-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    background: var(--bg-secondary, #f8f9fa);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.trace-header:hover {
    background: var(--bg-hover, #eee);
}

.trace-header .material-icons {
    font-size: 1.125rem;
    color: var(--primary-color, #2196F3);
}

.trace-title {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--text-primary, #1a1a1a);
}

.trace-summary {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
}

.trace-toggle {
    font-size: 1rem !important;
    color: var(--text-secondary, #666) !important;
    transition: transform 0.2s ease;
}

.execution-trace.expanded .trace-toggle {
    transform: rotate(90deg);
}

.trace-events {
    display: none;
    padding: 0.75rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
    max-height: 400px;
    overflow-y: auto;
}

.execution-trace.expanded .trace-events {
    display: block;
}

/* Individual trace event */
.trace-event {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
}

.trace-event:last-child {
    border-bottom: none;
}

.trace-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem !important;
    background: var(--bg-secondary, #f8f9fa);
}

.trace-time {
    flex-shrink: 0;
    min-width: 45px;
    font-size: 0.6875rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    color: var(--text-secondary, #666);
    text-align: right;
    padding-top: 3px;
}

.trace-info {
    flex: 1;
    min-width: 0;
}

.trace-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary, #1a1a1a);
    margin-bottom: 2px;
}

.trace-details {
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 4px;
}

.trace-details span {
    word-break: break-word;
}

.trace-details code {
    background: var(--bg-secondary, #f0f0f0);
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.6875rem;
}

/* Event type-specific styling (using class names from JS) */
.trace-agent-start .trace-icon {
    background: var(--primary-bg, #e3f2fd);
    color: var(--primary-color, #2196F3);
}

.trace-tools-loaded .trace-icon {
    background: var(--info-bg, #e1f5fe);
    color: var(--info-color, #0288d1);
}

.trace-claude-call .trace-icon,
.trace-claude-response .trace-icon {
    background: #f3e5f5;
    color: #7b1fa2;
}

.trace-tool-call-start .trace-icon {
    background: var(--warning-bg, #fff3e0);
    color: var(--warning-color, #f57c00);
}

.trace-tool-call-end .trace-icon {
    background: var(--success-bg, #e8f5e9);
    color: var(--success-color, #388e3c);
}

.trace-tool-call-end.error .trace-icon {
    background: var(--error-bg, #ffebee);
    color: var(--error-color, #d32f2f);
}

.trace-agent-complete .trace-icon {
    background: var(--success-bg, #e8f5e9);
    color: var(--success-color, #388e3c);
}

.trace-error .trace-icon {
    background: var(--error-bg, #ffebee);
    color: var(--error-color, #d32f2f);
}

/* Tool details section */
.trace-tool-details {
    margin-top: 0.375rem;
    padding: 0.5rem;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 4px;
    font-size: 0.6875rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    max-height: 100px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Result preview */
.trace-result-preview {
    margin-top: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--success-bg, #e8f5e9);
    border-left: 2px solid var(--success-color, #388e3c);
    font-size: 0.6875rem;
    color: var(--text-secondary, #666);
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trace-result-preview.error {
    background: var(--error-bg, #ffebee);
    border-left-color: var(--error-color, #d32f2f);
}

/* Responsive trace */
@media (max-width: 768px) {
    .trace-event {
        flex-wrap: wrap;
    }

    .trace-event-time {
        width: auto;
        order: -1;
        text-align: left;
    }

    .trace-event-content {
        flex-basis: 100%;
        margin-top: 0.25rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   STREAMING MESSAGE STYLES
   Real-time execution visibility during agent testing
   ═══════════════════════════════════════════════════════════════════════════ */

.streaming-message .message-bubble {
    min-width: 200px;
}

.streaming-content {
    color: var(--text-secondary, #666);
}

.streaming-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.streaming-indicator .material-icons {
    font-size: 1rem;
    color: var(--primary-color, #2196F3);
}

/* Spinning animation for sync/hourglass icons */
.spinning {
    animation: spin 1s linear infinite;
}

/* Live trace styling (auto-expanded during streaming) */
.live-trace {
    border-color: var(--primary-color, #2196F3);
    box-shadow: 0 0 0 1px var(--primary-light, rgba(33, 150, 243, 0.2));
}

.live-trace .trace-header {
    background: var(--primary-bg, #e3f2fd);
}

.live-trace .trace-summary {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary-color, #2196F3);
    font-weight: 500;
}

.live-trace .trace-summary .material-icons {
    font-size: 0.875rem;
}

.trace-empty {
    padding: 1rem;
    text-align: center;
    color: var(--text-secondary, #666);
    font-style: italic;
    font-size: 0.8125rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   VISUALIZATION IN AGENT CHAT (Phase 5.1)
   Inline visualizations rendered in agent builder test chat
   ═══════════════════════════════════════════════════════════════════════════ */

.agent-chat-visualization {
    margin-top: 0.75rem;
    width: 100%;
}

.agent-chat-visualization .visualization-container {
    margin: 0;
    background: var(--bg-primary, #fff);
}

.agent-chat-visualization .visualization-header {
    padding-bottom: 0.5rem;
}

.agent-chat-visualization .visualization-chart {
    min-height: 200px;
    max-height: 300px;
}

.agent-chat-visualization .visualization-table-wrapper {
    max-height: 250px;
    overflow-y: auto;
}

.agent-chat-visualization .visualization-timeline {
    max-height: 300px;
    overflow-y: auto;
}

/* Ensure chat bubble expands for visualizations */
.chat-assistant .message-bubble:has(.agent-chat-visualization) {
    max-width: 500px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .agent-chat-visualization .visualization-chart {
        min-height: 150px;
        max-height: 200px;
    }

    .chat-assistant .message-bubble:has(.agent-chat-visualization) {
        max-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   STEP 8: CAPABILITIES (NEW)
   Agent-specific styles for capabilities step
   Most styles are shared with Tool Builder in toolBuilder.css
   ═══════════════════════════════════════════════════════════════════════════ */

/* Attached Tools Summary - Agent-specific */
.attached-tools-summary {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.attached-tools-summary .summary-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.attached-tools-summary .summary-header .material-icons {
    font-size: 1.25rem;
    color: var(--text-secondary, #666);
}

.attached-tools-summary .summary-content {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    line-height: 1.5;
}

/* Override validation errors style for agent builder */
.step-capabilities .validation-errors {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: #ffebee;
    border: 1px solid #ef9a9a;
    border-radius: 8px;
}

.step-capabilities .validation-errors .error {
    color: #c62828;
    font-size: 0.85rem;
    padding: 0.25rem 0;
}

.step-capabilities .validation-errors .error::before {
    content: '• ';
}

/* ═══════════════════════════════════════════════════════════════════════════
   STEP 3: SKILLS (Phase 1 - Skills Architecture)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Use Case Details section in Step 1 */
.form-divider {
    border-top: 1px solid var(--border-color, #e0e0e0);
    margin: 1.5rem 0;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.optional-badge {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-tertiary, #4b5563);
    background: var(--bg-secondary, #f5f5f5);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

/* AI-Generated Section in Step 1 */
.ai-generated-section {
    background: var(--bg-secondary, #f8f9fa);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    padding: 1.25rem;
}

.ai-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.ai-section-header .form-section-title {
    margin-bottom: 0;
}

.ai-section-header .form-section-title .material-icons {
    color: #7c4dff;
    font-size: 1.1rem;
}

.ai-section-hint {
    font-size: 0.8rem;
    color: var(--text-tertiary, #4b5563);
    margin-bottom: 1rem;
}

.btn-generate-basic-info {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: 6px;
    white-space: nowrap;
}

.btn-generate-basic-info .material-icons {
    font-size: 16px;
}

.btn-generate-basic-info:disabled,
.btn-generate-system-prompt:disabled,
.btn-generate-safety:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-generate-system-prompt,
.btn-generate-safety {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: 6px;
    white-space: nowrap;
}

.btn-generate-system-prompt .material-icons,
.btn-generate-safety .material-icons {
    font-size: 16px;
}

/* Skills step layout */
.step-skills {
    max-width: 800px;
}

.skills-notice {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: #fff3e0;
    border: 1px solid #ffe0b2;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: #e65100;
}

.skills-notice .material-icons {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Generate button section */
.skills-generate-section {
    margin-bottom: 1.5rem;
}

.btn-generate-skills {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.skills-reasoning {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
}

.skills-reasoning .material-icons {
    font-size: 18px;
    color: #f9a825;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Skills list */
.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Skill card */
.skill-card {
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 10px;
    background: var(--bg-primary, #fff);
    overflow: hidden;
}

.skill-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f8f9fa);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.skill-card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.skill-icon {
    color: var(--primary, #0d9488);
    font-size: 20px;
}

.skill-name-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.skill-name-input:focus {
    outline: none;
    background: var(--bg-primary, #fff);
    box-shadow: 0 0 0 2px var(--primary-light, #bbdefb);
}

.skill-description {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
}

.skill-desc-input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--text-secondary, #666);
    padding: 0.25rem 0;
}

.skill-desc-input:focus {
    outline: none;
    color: var(--text-primary, #1a1a1a);
}

/* Skill steps */
.skill-steps {
    padding: 0.75rem 1rem;
}

.skill-steps-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
}

.skill-step {
    display: flex;
    align-items: flex-start;
    gap: 0.375rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
}

.skill-step:last-child {
    border-bottom: none;
}

/* Two-row body: action text on top, tool selector below */
.step-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.step-main-row {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.step-order {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary, #0d9488);
    color: #fff;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-action-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--text-primary, #1a1a1a);
    padding: 0.2rem 0.375rem;
    border-radius: 4px;
}

.step-action-input:focus {
    outline: none;
    background: var(--bg-secondary, #f8f9fa);
}

/* Tool selector row — indented to align with action text */
.step-tool-row {
    padding-left: 28px;
}

.step-tool-select {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    cursor: pointer;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #9ca3af;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    max-width: 240px;
}

.step-tool-select.has-tool {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
    font-weight: 500;
}

.step-tool-select:focus {
    outline: none;
    border-color: var(--primary, #0d9488);
}

.step-drag-handle {
    font-size: 18px !important;
    color: #ddd;
    cursor: grab;
    flex-shrink: 0;
    user-select: none;
    transition: color 0.15s;
    margin-top: 2px;
}

.skill-step:hover .step-drag-handle {
    color: #9ca3af;
}

.step-drag-handle:active {
    cursor: grabbing;
}

.skill-step.dragging {
    opacity: 0.4;
}

.skill-step.drag-over {
    border-top: 2px solid var(--primary, #0d9488);
    margin-top: -1px;
}

.btn-remove-step {
    opacity: 0;
    transition: opacity 0.15s;
    flex-shrink: 0;
    margin-top: 1px;
}

.skill-step:hover .btn-remove-step {
    opacity: 0.5;
}

.btn-remove-step:hover {
    opacity: 1 !important;
    color: #c62828;
}

/* TODO question */
.skill-todo {
    padding: 0.75rem 1rem;
    background: #fffde7;
    border-top: 1px solid #fff9c4;
}

.todo-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.todo-header .material-icons {
    font-size: 18px;
    color: #f9a825;
}

.todo-context {
    color: var(--text-tertiary, #4b5563);
    font-weight: 400;
    font-size: 0.8rem;
}

.todo-question {
    font-size: 0.9rem;
    color: var(--text-primary, #1a1a1a);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.todo-answer-input {
    width: 100%;
    border: 1px solid #fff9c4;
    background: #fff;
    font-size: 0.875rem;
    padding: 0.5rem;
    border-radius: 6px;
}

.todo-answer-input:focus {
    outline: none;
    border-color: #f9a825;
    box-shadow: 0 0 0 2px rgba(249, 168, 37, 0.15);
}

/* Empty state */
.skills-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary, #666);
}

.skills-empty-state .material-icons {
    font-size: 48px;
    color: var(--text-tertiary, #ccc);
    margin-bottom: 1rem;
}

.skills-empty-state p {
    margin: 0.5rem 0;
}

/* Missing tools section */
.missing-tools-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.missing-tools-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.section-hint {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    margin-bottom: 1rem;
}

.missing-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.75rem;
}

.missing-tool-card {
    border: 1px dashed #bdbdbd;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #fafafa);
}

.missing-tool-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.tool-type-badge {
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.125rem 0.375rem;
    background: #e8eaf6;
    color: #3949ab;
    border-radius: 3px;
    font-weight: 600;
}

.missing-tool-desc {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    margin: 0 0 0.5rem 0;
}

.missing-tool-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary, #4b5563);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.missing-tools-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.missing-tools-header h3 {
    margin: 0;
}

.btn-refresh-missing-tools {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    background: transparent;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.btn-refresh-missing-tools:hover {
    background: var(--bg-secondary, #f5f5f5);
    color: var(--text-primary, #333);
}

.btn-create-missing-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.5rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1565c0;
    background: #e3f2fd;
    border: 1px solid #90caf9;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-create-missing-tool:hover {
    background: #bbdefb;
    border-color: #64b5f6;
}

/* ═══════════════════════════════════════════════════════════════════════
   TOOL SUGGESTIONS (Two-Section Layout)
   ═══════════════════════════════════════════════════════════════════════ */

.tool-suggestions-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.tool-suggestions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.tool-suggestions-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* Recommended Tools (green theme) */
.recommended-tools-section {
    margin-bottom: 1.25rem;
}

.recommended-tools-section h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
    color: #2e7d32;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.recommended-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.75rem;
}

.recommended-tool-card {
    border: 1px solid #c8e6c9;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    background: #f1f8e9;
    transition: border-color 0.15s, opacity 0.2s;
}

.recommended-tool-card.added {
    opacity: 0.6;
    border-color: #e0e0e0;
    background: var(--bg-secondary, #fafafa);
}

.recommended-tool-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.recommended-tool-source {
    font-size: 0.75rem;
    color: var(--text-tertiary, #4b5563);
    margin-left: auto;
}

.recommended-tool-desc {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    margin: 0 0 0.375rem 0;
}

.recommended-tool-reason {
    font-size: 0.8rem;
    font-style: italic;
    color: #558b2f;
    margin: 0 0 0.5rem 0;
}

.btn-add-recommended-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: #2e7d32;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-add-recommended-tool:hover {
    background: #c8e6c9;
    border-color: #81c784;
}

.btn-added-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-tertiary, #4b5563);
    background: var(--bg-secondary, #f5f5f5);
    border: 1px solid var(--border-color, #ddd);
    border-radius: 6px;
    cursor: default;
}

/* Missing Tools sub-section (orange heading) */
.missing-tools-subsection h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
    color: #e65100;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* ═══════════════════════════════════════════════════════════════════════
   SKILL REVIEW (Phase 2 - Quality Gate)
   ═══════════════════════════════════════════════════════════════════════ */

.skills-review-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.btn-review-skills {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.review-overall {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary, #f5f5f5);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-primary, #333);
    line-height: 1.4;
}

.review-overall .material-icons {
    font-size: 20px;
    color: #5c6bc0;
    flex-shrink: 0;
    margin-top: 1px;
}

.review-issues-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.review-issue-card {
    border: 1px solid var(--border-color, #e0e0e0);
    border-left: 4px solid #90caf9;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    background: #fff;
    transition: opacity 0.2s;
}

.review-issue-card[data-severity="high"] {
    border-left-color: #ef5350;
}

.review-issue-card[data-severity="medium"] {
    border-left-color: #ffa726;
}

.review-issue-card[data-severity="low"] {
    border-left-color: #42a5f5;
}

.review-issue-card.dismissed {
    opacity: 0.7;
}

.review-issue-card.dismissed .review-issue-description,
.review-issue-card.dismissed .review-issue-suggestion {
    text-decoration: line-through;
}

.review-issue-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.review-severity-icon {
    font-size: 18px;
}

.review-issue-card[data-severity="high"] .review-severity-icon {
    color: #ef5350;
}

.review-issue-card[data-severity="medium"] .review-severity-icon {
    color: #ffa726;
}

.review-issue-card[data-severity="low"] .review-severity-icon {
    color: #42a5f5;
}

.review-issue-type {
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.125rem 0.5rem;
    background: #e8eaf6;
    color: #3949ab;
    border-radius: 3px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.review-issue-skill {
    font-size: 0.8rem;
    color: var(--text-secondary, #666);
    font-weight: 500;
}

.review-issue-description {
    font-size: 0.85rem;
    color: var(--text-primary, #333);
    line-height: 1.45;
    margin-bottom: 0.5rem;
}

.review-issue-suggestion {
    display: flex;
    align-items: flex-start;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-secondary, #555);
    background: #f5f5f5;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.review-issue-suggestion .material-icons {
    color: #ffa726;
    flex-shrink: 0;
    margin-top: 1px;
}

.review-issue-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-apply-reorder {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: #2e7d32;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-apply-reorder:hover {
    background: #c8e6c9;
}

.btn-dismiss-issue {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    background: transparent;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-dismiss-issue:hover {
    background: var(--bg-secondary, #f5f5f5);
}

.dismissed-label {
    font-size: 0.75rem;
    color: var(--text-tertiary, #4b5563);
    font-style: italic;
}

.review-no-issues {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #e8f5e9;
    border-radius: 8px;
    color: #2e7d32;
    font-size: 0.9rem;
}

.review-no-issues .material-icons {
    color: #43a047;
}

/* Button styles */
.btn-add-skill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    color: var(--text-secondary, #666);
    display: inline-flex;
    align-items: center;
}

.btn-icon:hover {
    background: var(--bg-secondary, #f0f0f0);
    color: var(--text-primary, #1a1a1a);
}

/* Tool recommendation banner (Phase 1.4) */
.tool-recommendations-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #2e7d32;
}

.tool-recommendations-banner .material-icons {
    font-size: 20px;
    flex-shrink: 0;
}

/* Skill recommendation badge on tool cards */
.skill-recommendation-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.375rem;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tool-card.recommended {
    border-color: #a5d6a7;
}

.tool-recommendation-reason {
    font-size: 0.75rem;
    color: #2e7d32;
    font-style: italic;
    margin-top: 0.25rem;
    padding-top: 0.25rem;
    border-top: 1px solid #e8f5e9;
}