/* Modern, clean styling for Alpine.js Protocol Builder - Dark Mode */

:root {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --secondary-color: #64748b;
    --secondary-hover: #94a3b8;
    --danger-color: #ef4444;
    --danger-hover: #f87171;
    --success-color: #10b981;
    --success-hover: #34d399;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --border-hover: #64748b;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --border-radius-sm: 4px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
        sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-color);
}

header {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-tertiary) 100%);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
    padding: 0 2rem;
}

.protocol-header-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
}

.protocol-title {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.protocol-title h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-color);
    line-height: 1.2;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    border: 1px dashed var(--border-color);
    background-color: var(--bg-secondary);
}

.protocol-title h1:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    border-style: solid;
}

.protocol-name-input {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-color);
    color: var(--primary-color);
    min-width: 220px;
    outline: none;
    transition: border-color 0.2s ease;
}

.protocol-name-input:focus {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.protocol-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 180px;
}

.protocol-meta-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.protocol-meta-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color);
    min-width: 50px;
}

.protocol-meta-value {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.clickable-value {
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    border: 1px dashed var(--border-color);
    background-color: var(--bg-secondary);
    min-width: 60px;
    display: inline-block;
}

.clickable-value:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    border-style: solid;
    color: var(--text-color);
}

.protocol-version-input,
.protocol-description-input {
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-color);
    color: var(--text-color);
    outline: none;
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.protocol-version-input {
    width: 60px;
}

.protocol-description-input {
    width: 100%;
    min-width: 200px;
    resize: none;
}

.protocol-version-input:focus,
.protocol-description-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem 2rem 2rem;
}

/* Sections */
section {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

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

.section-header:has(.section-title-group) {
    margin-bottom: 0;
}

.section-header h2 {
    margin-bottom: 0;
}

/* Collapsed Summary */
.section-title-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin: -0.25rem -0.5rem;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s ease;
}

.section-title-group:hover {
    background-color: var(--bg-tertiary);
}

.collapse-chevron {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
    width: 16px;
}

.section-count {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    min-width: 18px;
    text-align: center;
}

.collapsed-preview {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    margin-left: 1rem;
    margin-right: 1rem;
    padding: 0.25rem 0;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.collapsed-preview::-webkit-scrollbar {
    height: 4px;
}

.collapsed-preview::-webkit-scrollbar-track {
    background: transparent;
}

.collapsed-preview::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 2px;
}

.preview-pill {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    white-space: nowrap;
    transition: all 0.2s ease;
}

.preview-pill:hover {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Custom Tooltip */
.custom-tooltip {
    position: fixed;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-color);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.section-collapsed {
    padding-bottom: 0.5rem;
}

.section-collapsed .section-header {
    margin-bottom: 0;
}

/* Form Groups */
.form-group {
    margin-bottom: 1rem;
}

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

.form-group input[type='text'],
.form-group input[type='number'],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

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

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Events Section */
.events-list {
    margin-bottom: 1.5rem;
}

.event-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.event-item:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-tertiary);
}

.event-name {
    font-weight: 600;
    color: var(--primary-color);
    flex: 1;
}

.event-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-right: 1rem;
}

.fields-summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-right: 1rem;
}

.event-actions {
    display: flex;
    gap: 0.5rem;
}

/* Event Cards Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.event-card {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
}

.event-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.event-card-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-tertiary);
}

.event-card-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.event-card-group {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 8px;
    background-color: var(--secondary-color);
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-card-body {
    flex: 1;
    padding: 0.75rem 1rem;
    min-height: 60px;
}

.event-card-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    font-size: 0.85rem;
}

.field-name-mini {
    color: var(--text-color);
    font-weight: 500;
}

.field-type-mini {
    color: var(--text-muted);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.75rem;
}

.event-card-more {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
    margin-top: 0.25rem;
}

.event-card-empty {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

.event-card-footer {
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-tertiary);
}

.event-card-count {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.event-card-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-icon-sm {
    background: none;
    border: none;
    padding: 0.2rem 0.35rem;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

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

.btn-icon-sm.btn-icon-danger:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

/* Stats Footer */
.stats-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    z-index: 100;
}

.stats-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.stat-item {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--border-color);
}

/* Add padding to main to account for fixed footer */
main {
    padding-bottom: 4rem;
}

.add-event-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    color: var(--text-muted);
    font-weight: 500;
}

.add-event-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Custom Types Compact */
.types-compact-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-tertiary);
}

.types-compact-list {
    display: flex;
    flex-direction: column;
}

.type-compact-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.type-compact-item:hover {
    background-color: var(--bg-color);
}

.type-compact-item:last-child {
    border-bottom: none;
}

.type-compact-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 1rem;
    min-width: 120px;
}

.type-compact-values {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-right: 1rem;
    min-width: 80px;
}

.type-compact-preview {
    color: var(--text-muted);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.empty-types {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

.empty-types .btn {
    margin-top: 1rem;
}

/* Actions */
.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-buttons .btn {
    flex: 1;
    min-width: 150px;
}

/* YAML Output */
.yaml-textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    background-color: var(--bg-tertiary);
    resize: vertical;
}

.modal-yaml-textarea {
    max-height: 300px;
    overflow-y: auto;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* Field modal appears on top of event modal */
#field-modal {
    z-index: 1100;
}

.modal-content {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Actions Modal Specific */
.actions-modal .modal-content {
    max-width: 800px;
    width: 95%;
}

.actions-modal .modal-body {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.actions-modal .modal-section {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.actions-modal .modal-section:last-child {
    border-bottom: none;
}

.actions-modal .modal-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-btn-group {
    display: flex;
    gap: 0.75rem;
}

/* Modal Sections */
.modal-section {
    margin-bottom: 2rem;
}

.section-header {
    margin-bottom: 1rem;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Copy Fields */
.copy-fields-section {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.copy-fields-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.inline-label {
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
}

.copy-fields-content select {
    flex: 1;
}

/* Fields Section */
.fields-scroll-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-tertiary);
}

.fields-list {
    padding: 1rem;
}

.field-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    background-color: var(--bg-color);
}

.field-info {
    flex: 1;
}

.field-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.field-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.field-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-transform: uppercase;
}

.field-badge.required {
    background-color: var(--danger-color);
    color: white;
}

.field-badge.optional {
    background-color: var(--success-color);
    color: white;
}

.field-actions {
    display: flex;
    gap: 0.5rem;
}

.add-field-container {
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.btn-plus {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.empty-fields {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

.field-count {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Toggle Styles */
.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 0.5rem 0;
}

.toggle-label:hover {
    color: var(--primary-color);
}

.toggle-chevron {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.optional-badge {
    background-color: var(--secondary-color);
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
    margin-left: 0.5rem;
}

/* ============================================
   Styled Modal Components
   ============================================ */

.styled-modal {
    border-radius: 12px;
    overflow: hidden;
}

.event-modal-content {
    max-width: 650px;
}

.styled-header {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-tertiary) 100%);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-header-title h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.modal-header-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    background-color: var(--secondary-color);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.styled-footer {
    background-color: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* Form Sections */
.form-section {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.flex-grow {
    flex: 1;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--bg-color);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    cursor: pointer;
}

.form-textarea {
    font-family: inherit;
    resize: vertical;
}

/* Checkbox Styling */
.checkbox-group {
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    margin-top: 0.5rem;
}

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

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

.checkbox-text {
    font-weight: 500;
    color: var(--text-color);
}

.checkbox-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Section Divider */
.section-divider {
    display: flex;
    align-items: center;
    margin: 1rem 0;
}

.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.section-divider span {
    padding: 0 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Optional Fields (Collapsible) */
.optional-section {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.optional-field {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.optional-field.expanded {
    border-color: var(--primary-color);
}

.optional-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.optional-header:hover {
    background-color: var(--bg-tertiary);
}

.optional-label {
    font-size: 0.9rem;
    color: var(--text-color);
}

.optional-chevron {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 600;
}

.optional-content {
    padding: 0 0.85rem 0.85rem;
}

/* Copy Fields Section (styled) */
.styled-copy-section {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.copy-fields-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.copy-icon {
    font-size: 1rem;
}

.copy-fields-controls {
    display: flex;
    gap: 0.75rem;
}

.copy-fields-controls .form-select {
    flex: 1;
}

/* Fields Section (in Event Modal) */
.fields-section-styled {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
}

.section-header-styled {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.section-header-styled h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.field-count-badge {
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.fields-container {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* Mini Field Card (in Event Modal) */
.field-card-mini {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.2s ease;
}

.field-card-mini:hover {
    border-color: var(--border-hover);
}

.field-card-mini-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.field-card-mini-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.field-card-mini-badges {
    display: flex;
    gap: 0.35rem;
}

.badge-type {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background-color: var(--primary-color);
    color: white;
    font-family: 'Monaco', 'Menlo', monospace;
}

.badge-req {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-req.required {
    background-color: var(--danger-color);
    color: white;
}

.badge-req.optional {
    background-color: var(--success-color);
    color: white;
}

.badge-default {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background-color: #6366f1;
    color: white;
    font-family: 'Monaco', 'Menlo', monospace;
}

.field-card-mini-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-icon {
    background: none;
    border: none;
    padding: 0.25rem 0.4rem;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

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

.btn-icon-danger:hover {
    background-color: rgba(220, 38, 38, 0.1);
}

.empty-fields-styled {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

.add-field-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.65rem;
    margin-top: 0.5rem;
    background-color: var(--bg-color);
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.add-field-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.add-field-icon {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Event Detail Overlay */
.event-detail-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
}

.event-detail-content {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.event-detail-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-tertiary) 100%);
}

.event-detail-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.event-detail-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.event-detail-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    background-color: var(--secondary-color);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-detail-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.event-detail-description {
    padding: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-tertiary);
    border-left: 3px solid var(--primary-color);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.event-detail-section {
    margin-bottom: 1.5rem;
}

.event-detail-section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.event-detail-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.event-detail-fields {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.event-detail-field-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    transition: border-color 0.2s ease;
}

.event-detail-field-card:hover {
    border-color: var(--border-hover);
}

.field-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.field-card-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.field-card-badges {
    display: flex;
    gap: 0.5rem;
}

.field-type-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background-color: var(--primary-color);
    color: white;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.field-req-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.field-req-badge.required {
    background-color: var(--danger-color);
    color: white;
}

.field-req-badge.optional {
    background-color: var(--success-color);
    color: white;
}

.field-card-details {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
}

.field-detail-row {
    display: flex;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.field-detail-row:last-child {
    margin-bottom: 0;
}

.field-detail-label {
    color: var(--text-muted);
    min-width: 55px;
}

.field-detail-value {
    color: var(--text-color);
}

code.field-detail-value {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background-color: var(--bg-tertiary);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.event-detail-empty {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    font-style: italic;
}

.json-preview-formatted {
    width: 100%;
    padding: 1rem;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    background-color: #1e293b;
    color: #e2e8f0;
    overflow-x: auto;
    white-space: pre;
}

.event-detail-actions {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background-color: var(--bg-secondary);
}


/* Responsive Design */
@media (max-width: 768px) {
    main {
        padding: 1rem;
    }

    header {
        padding: 1.5rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .modal-content {
        width: 95%;
        margin: 1rem;
    }

    .event-detail-content {
        width: 95%;
        margin: 1rem;
    }

    .copy-fields-content {
        flex-direction: column;
        align-items: stretch;
    }

    .action-buttons {
        flex-direction: column;
    }

    .modal-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .field-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .field-actions {
        margin-top: 0.5rem;
        align-self: flex-end;
    }
}

/* Utility Classes */
[x-cloak] {
    display: none !important;
}

/* Generation Options Styles */
.options-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-card {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-card:hover:not(.disabled) {
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.checkbox-card.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

.checkbox-card input[type="checkbox"] {
    margin-top: 0.25rem;
    margin-right: 1rem;
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--primary-color);
}

.checkbox-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.checkbox-title {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
}

.checkbox-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.nested-option {
    margin-left: 2.2rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border-color);
}

.nested-option .checkbox-card {
    background-color: var(--bg-color);
    border: 1px dashed var(--border-color);
    padding: 0.75rem;
}

.nested-option .checkbox-card:hover {
    border-color: var(--primary-color);
    border-style: solid;
}

/* Slider Toggle Switch */
.view-source-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.toggle-switch {
    display: flex;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 4px;
    position: relative;
    gap: 4px;
}

.toggle-option {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s ease;
    z-index: 1;
}

.toggle-option.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* Header Button Updates */
/* .header-actions already exists but updating styles ensures consistency if overridden */
.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-icon-only {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.btn-view-source {
    background-color: var(--bg-tertiary);
    color: var(--text-default);
    border: 1px solid var(--border-color);
}

.btn-view-source:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-muted);
}

/* Help Modal Content */
.help-content {
    color: var(--text-default);
    line-height: 1.6;
}

.help-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.help-content li {
    margin-bottom: 0.5rem;
}

/* Feature Management */
.features-section {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.features-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-title-group h2 {
    display: inline-block;
    margin-right: 1rem;
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0;
}

.section-desc-inline {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.feature-tab,
.feature-tab-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.feature-tab:hover,
.feature-tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.feature-tab.active,
.feature-tab-wrapper.active .feature-tab-btn {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.feature-tab-wrapper {
    display: inline-flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.feature-tab-wrapper.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.feature-tab-wrapper .feature-tab-btn {
    border: none;
    border-radius: 0;
    margin: 0;
    background: transparent;
    color: inherit;
}

.feature-delete {
    padding: 0.2rem 0.6rem;
    cursor: pointer;
    color: inherit;
    font-weight: bold;
    opacity: 0.6;
    transition: opacity 0.2s;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-delete:hover {
    opacity: 1;
    background: rgba(255, 0, 0, 0.2);
}

.feature-tab-wrapper:not(.active) .feature-delete {
    border-left: 1px solid var(--border-color);
}

.btn-add-feature {
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.btn-add-feature:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Sample Value Selectors (Event Detail Preview) */
.sample-value-selectors {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.sample-value-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.sample-value-row:last-child {
    margin-bottom: 0;
}

.sample-value-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 100px;
    font-family: 'Monaco', 'Menlo', monospace;
}

.sample-value-select {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.sample-value-select:hover {
    border-color: var(--primary-color);
}

.sample-value-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}