/* ============================================
   SUBMITTAL SECTION STYLES
   Unified Design System - Inter + Base 13px
   ============================================ */

:root {
  /* Local overrides for submittal - use design system vars */
  --submittal-font: var(--font-family-primary, 'Inter', -apple-system, sans-serif);
  --submittal-radius: var(--radius-md, 6px);
  --submittal-transition: var(--transition-fast, 0.2s ease);
}

/* Section wrapper - use design system section pattern */
/* Note: Must include .section class for visibility control */
/* Use highest specificity to override main.css and projectDetail.css */
#section-submittal.section.submittal-section {
  display: none !important;
  flex-direction: column;
  height: 100%;
  width: 100%;
  font-family: var(--submittal-font);
  background: var(--bg-surface, #ffffff);
  /* padding: var(--spacing-lg); */
  box-sizing: border-box;
}

#section-submittal.section.submittal-section.active {
  display: flex !important;
}

/* Force hide when not active - highest specificity */
html body #app-container .project-detail-view .project-shell #section-submittal.section:not(.active) {
  display: none !important;
}

/* Modal - Use scoped class for submittal modals only */
.section.submittal-section .submittal-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.62);
    z-index: 4000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.section.submittal-section .submittal-modal-overlay.open {
    display: flex;
}

/* Modal Box */
.section.submittal-section .submittal-modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg, 12px);
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section.submittal-section .submittal-modal.modal-lg {
    width: 800px;
}

.section.submittal-section .submittal-modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.section.submittal-section .submittal-modal-header svg {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.section.submittal-section .submittal-modal-title {
    font-size: var(--font-size-lg, 16px);
    font-weight: 600;
    flex: 1;
}

.section.submittal-section .modal-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: var(--font-size-xl, 20px);
    padding: 4px 8px;
    line-height: 1;
    border-radius: var(--radius-sm, 4px);
    transition: all 0.15s;
}

.section.submittal-section .modal-close-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.section.submittal-section .submittal-modal-body {
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.section.submittal-section .submittal-modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-end;
    flex-shrink: 0;
    background: var(--bg-light);
}

/* Detail Layout */
.submittal-detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    height: 100%;
    overflow: hidden;
    flex: 1;
}

/* Cards */
.submittal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
}

.submittal-card:last-child {
    margin-bottom: 0;
}

.submittal-card-header {
    padding: 8px 14px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 7px;
}

.submittal-card-header svg {
    color: var(--text-muted);
}

.submittal-card-body {
    padding: 14px;
}

.submittal-card-body.no-padding {
    padding: 0;
}

.submittal-toolbar .cs-select {
    min-width: 170px;
}

.submittal-toolbar .cs-select .cs-select__trigger {
    min-height: 34px;
    border-radius: 6px;
}

/* Detail Info */
.submittal-detail-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.submittal-detail-info .detail-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.submittal-detail-info .detail-number {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
}

.submittal-divider {
    width: 1px;
    height: 18px;
    background: var(--border-color);
    margin: 0 2px;
}

/* Buttons */
.submittal-btn-success {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border-radius: 4px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: var(--color-success);
    color: white;
    border: 1px solid var(--color-success-dark);
    cursor: pointer;
    transition: background 0.1s;
}

.submittal-btn-success:hover {
    background: var(--color-success-dark);
}

.submittal-btn-success svg {
    color: white;
}

.submittal-btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border-radius: 4px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: var(--bg-surface);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
    cursor: pointer;
    transition: all 0.1s;
}

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

.submittal-btn-danger svg {
    color: var(--color-danger);
}

.submittal-btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.submittal-btn-icon:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

/* Form elements */
.file-count-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 4px;
}

.submittal-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-surface);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Tabs */
.submittal-tabs {
    display: flex;
    align-items: center;
    padding: 0 16px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.submittal-tab {
    padding: 12px 16px;
    background: none;
    border: none;
    font-size: var(--font-size-base);
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s ease;
}

.submittal-tab:hover {
    color: var(--text-secondary);
}

.submittal-tab.active {
    color: var(--text-primary);
    font-weight: 500;
    border-bottom-color: var(--text-secondary);
}

.submittal-tab-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Content */
.submittal-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Summary View */
.submittal-summary {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* Toolbar - Design System */
.submittal-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px) var(--space-4, 16px);
  background: var(--bg-surface, #ffffff);
  border-bottom: 1px solid var(--cde-border, #e1e4e8);
  flex-wrap: wrap;
}

.submittal-search {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  position: relative;
  display: flex;
  align-items: center;
}

.submittal-search svg {
  position: absolute;
  left: var(--space-3, 12px);
  color: var(--cde-muted, #8c94a3);
  width: 16px;
  height: 16px;
}

.submittal-search input {
  width: 100%;
  padding: var(--space-2, 8px) var(--space-3, 12px);
  padding-left: 36px;
  font-family: var(--submittal-font);
  font-size: var(--font-size-base, 13px);
  color: var(--cde-text1, #24272e);
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--cde-border, #e1e4e8);
  border-radius: var(--submittal-radius, 6px);
  outline: none;
  transition: border-color var(--submittal-transition);
}

.submittal-search input:focus {
  border-color: var(--cde-blue, #1460b8);
  box-shadow: 0 0 0 3px rgba(20, 96, 184, 0.1);
}

.submittal-search input::placeholder {
  color: var(--cde-muted, #8c94a3);
}

.submittal-select {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  padding: var(--select-padding-y, 6px) var(--spacing-xl, 18px) var(--select-padding-y, 6px) var(--select-padding-x, 10px) !important;
  font-family: var(--submittal-font) !important;
  font-size: var(--select-font-size, 13px) !important;
  color: var(--select-text-color, #24272e) !important;
  background: var(--select-bg-color, #ffffff) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 8px center !important;
  background-size: 12px !important;
  border: 1px solid var(--select-border-color, #e1e4e8) !important;
  border-radius: var(--select-border-radius, 6px) !important;
  cursor: pointer !important;
  transition: var(--select-transition) !important;
  min-width: 140px !important;
  box-sizing: border-box !important;
}

.submittal-select:hover {
  border-color: var(--select-hover-border, #cdd1d8) !important;
}

.submittal-select:focus {
  outline: none !important;
  border-color: var(--select-focus-border, #1460b8) !important;
  box-shadow: 0 0 0 3px var(--select-focus-shadow, rgba(20, 96, 184, 0.1)) !important;
}

/* Stats - Summary Cards */
.submittal-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3, 12px);
  padding: var(--space-4, 16px);
  background: var(--bg-surface, #ffffff);
  border-bottom: 1px solid var(--cde-border, #e1e4e8);
}

.stat-card {
  background: var(--cde-s2, #f7f8fa);
  border: 1px solid var(--cde-border, #e1e4e8);
  border-radius: var(--submittal-radius, 6px);
  padding: var(--space-4, 16px);
  text-align: center;
  transition: all var(--submittal-transition);
}

.stat-card:hover {
  border-color: var(--cde-border2, #cdd1d8);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stat-label {
  font-family: var(--submittal-font);
  font-size: var(--font-size-xs, 11px);
  font-weight: 600;
  color: var(--cde-muted, #8c94a3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2, 8px);
}

.stat-value {
  font-family: var(--submittal-font);
  font-size: var(--font-size-xxxl, 28px);
  font-weight: 700;
  font-family: var(--font-mono, 'FZ Poppins', monospace);
  color: var(--cde-text1, #24272e);
  line-height: 1;
}

.stat-sub {
  font-family: var(--submittal-font);
  font-size: var(--font-size-xs, 11px);
  color: var(--cde-muted, #8c94a3);
  margin-top: var(--space-1, 4px);
}

/* Status variants - CDE colors */
.stat-pending .stat-value { color: var(--cde-wip, #b86e00); }
.stat-reviewing .stat-value { color: var(--cde-blue, #1460b8); }
.stat-approved .stat-value { color: var(--cde-publish, #157a35); }
.stat-rejected .stat-value { color: var(--cde-archive, #6530b0); }

/* Table - Design System */
.submittal-table-wrapper {
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 8px);
  overflow: hidden;
  margin: var(--spacing-md);
}

.submittal-table {
  width: 100%;
  border-collapse: collapse;
}

.submittal-table thead tr {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

.submittal-table th {
  padding: var(--space-3, 12px) var(--space-4, 16px);
  text-align: left;
  font-family: var(--submittal-font);
  font-size: var(--font-size-xs, 12px);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.submittal-table td {
  padding: var(--space-3, 12px) var(--space-4, 16px);
  font-family: var(--submittal-font);
  font-size: var(--font-size-base, 13px);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.submittal-table tbody tr:last-child td {
  border-bottom: none;
}

.submittal-table tbody tr:hover td {
  background: var(--bg-hover);
  cursor: pointer;
}

.submittal-table tbody tr.selected td {
  background: rgba(59, 130, 246, 0.08);
}

.trno {
  font-family: var(--font-mono, monospace);
  font-size: var(--font-size-base, 13px);
  color: var(--primary-blue);
  font-weight: 600;
  cursor: pointer;
}

.trno:hover {
  text-decoration: underline;
}

.tdt {
  color: var(--text-primary);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-count {
  font-family: var(--font-mono, monospace);
  font-weight: 500;
}

/* Tags & Badges - Design system colors */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-family: var(--submittal-font);
  font-size: var(--font-size-xs, 12px);
  font-weight: 500;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm, 4px);
}

.tag-blue {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--primary-blue);
}

.tag-green {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm, 4px);
    font-size: var(--font-size-xs, 12px);
    font-weight: 500;
    font-family: var(--font-mono, monospace);
    white-space: nowrap;
}

.badge::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* Badge Status - Muted modern colors */
.badge-pending, .status-pending {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fcd34d;
}

.badge-reviewing, .status-reviewing {
  background: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #93c5fd;
}

.badge-approved, .status-approved {
  background: #d1fae5;
  color: #059669;
  border: 1px solid #6ee7b7;
}

.badge-rejected, .status-rejected {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}

/* Detail View */
.submittal-detail {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 340px;
    overflow: hidden;
}

.submittal-detail-main {
    overflow-y: auto;
    padding: 16px;
    border-right: 1px solid var(--border-color);
}

.submittal-detail-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    padding: 40px;
}

.submittal-detail-empty svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Detail Toolbar */
.detail-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.detail-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-number {
    font-family: var(--font-mono);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
}

.detail-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.divider {
    width: 1px;
    height: 18px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Cards */
.detail-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
}

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

.card-header {
    padding: 8px 14px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 7px;
}

.card-header svg {
    color: var(--text-muted);
}

.file-count-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 4px;
}

.card-body {
    padding: 14px;
}

.card-body.no-padding {
    padding: 0;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
}

.info-item label {
    display: block;
    font-size: var(--font-size-xxs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.info-item.full {
    grid-column: 1 / -1;
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.info-value.mono {
    font-family: var(--font-mono);
    color: var(--color-primary);
    font-weight: 500;
}

.info-value.muted {
    color: var(--text-muted);
}

/* Files Table */
.files-table {
    width: 100%;
    border-collapse: collapse;
}

.files-table th,
.files-table td {
    padding: 7px 10px;
    font-size: var(--font-size-sm);
    text-align: left;
}

.files-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: var(--font-size-xxs);
    letter-spacing: 0.4px;
}

.files-table td {
    border-bottom: 1px solid var(--gray-200);
}

.files-table tr:last-child td {
    border-bottom: none;
}

.file-icon {
    margin-right: 5px;
}

.file-name {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
}

.mono {
    font-family: var(--font-mono);
}

.more-files {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    padding: 8px !important;
}

.more-files .link {
    color: var(--color-primary);
    cursor: pointer;
}

.cde-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-right: 4px;
}

.cde-dot.shared {
    background: var(--color-primary);
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
}

.timeline-row {
    display: flex;
    gap: 10px;
    padding-bottom: 14px;
}

.timeline-row:last-child {
    padding-bottom: 0;
}

.timeline-spine {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 12px;
    flex-shrink: 0;
    padding-top: 3px;
}

.timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
    flex-shrink: 0;
}

.timeline-dot.approved {
    background: var(--color-success);
}

.timeline-dot.pending {
    background: var(--color-warning);
}

.timeline-line {
    width: 1px;
    flex: 1;
    background: var(--border-color);
    margin-top: 3px;
}

.timeline-content {
    flex: 1;
    padding-top: 1px;
}

.timeline-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.timeline-meta {
    font-size: var(--font-size-xxs);
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 1px;
}

.timeline-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 3px;
    line-height: 1.4;
}

/* Sidebar */
.submittal-detail-sidebar {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.sidebar-scroll-area {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.sidebar-section {
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

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

.sidebar-header {
    padding: 8px 14px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    user-select: none;
}

.sidebar-header:hover {
    background: var(--gray-200, #e2e8f0);
}

.sidebar-toggle-arrow {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted, #94a3b8);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.sidebar-section.collapsed .sidebar-toggle-arrow {
    transform: rotate(-90deg);
}

.sidebar-section-body {
    overflow: hidden;
}

.sidebar-section.collapsed .sidebar-section-body {
    display: none;
}

/* Recipients */
.recipient-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--font-size-base);
}

.recipient-row:last-child {
    border-bottom: none;
}

.recipient-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xxs);
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

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

.recipient-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recipient-email {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Chat */
.chat-container {
    display: flex;
    flex-direction: column;
}

.chat-messages {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-reply-sticky {
    flex-shrink: 0;
    background: var(--bg-surface, #fff);
    border-top: 1px solid var(--border-color, #e2e8f0);
    padding: 10px 12px;
}

.chat-msg {
    display: flex;
    gap: 8px;
}

.msg-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-4xs);
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.msg-bubble {
    flex: 1;
}

.msg-meta {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 3px;
}

.msg-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.chat-msg.me .msg-name {
    color: var(--color-primary);
}

.msg-org {
    font-size: var(--font-size-xxs);
    color: var(--text-muted);
}

.msg-time {
    font-size: var(--font-size-xxs);
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-left: auto;
}

.msg-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    padding: 7px 10px;
    border-radius: 0 6px 6px 6px;
    line-height: 1.5;
}

.chat-msg.me .msg-text {
    background: var(--color-primary-lightest);
    border-color: var(--color-primary-light);
    border-radius: 6px 0 6px 6px;
}

.chat-input {
    padding: 10px 12px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 6px;
}

.chat-input textarea {
    flex: 1;
    font-size: var(--font-size-sm);
    min-height: 32px;
    max-height: 80px;
    padding: 6px 9px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
    font-family: inherit;
}

.chat-input textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Buttons */
.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--font-size-base);
    padding: 2px 4px;
}

.btn-text:hover {
    text-decoration: underline;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 40px;
    transition: background 0.2s ease;
}

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

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-success {
    background: var(--color-success);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: background 0.2s ease;
}

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

.btn-danger {
    background: var(--bg-surface);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}

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

.btn-sm {
    padding: 4px 10px;
    font-size: var(--font-size-sm);
}

/* ============================================
   SUBNAV STYLES - Collaboration Tabs Pattern
   ============================================ */

/* Subnav - Pill style like collaboration-tabs */
.submittal-subnav {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    margin-bottom: var(--spacing-lg);
    border-radius: 10px;
}

.submittal-subtab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-base, 13px);
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.submittal-subtab:hover {
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.08);
}

.submittal-subtab.active {
    background: white;
    color: var(--primary-blue);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.submittal-subnav-spacer {
    flex: 1;
}

.submittal-subnav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    padding: 0 4px;
}

/* Buttons - Design System unified */
.submittal-btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2, 8px);
  padding: var(--space-2, 8px) var(--space-3, 12px);
  font-family: var(--submittal-font);
  font-size: var(--font-size-base, 13px);
  font-weight: 500;
  color: var(--cde-text2, #4b5263);
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--cde-border, #e1e4e8);
  border-radius: var(--submittal-radius, 6px);
  cursor: pointer;
  transition: all var(--submittal-transition);
}

.submittal-btn-text:hover {
  color: var(--primary-blue);
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--primary-blue);
}

.submittal-btn-text svg {
  color: var(--text-muted);
  width: 14px;
  height: 14px;
}

.submittal-btn-text:hover svg {
  color: var(--primary-blue);
}

.submittal-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: var(--submittal-font);
  font-size: var(--font-size-base, 13px);
  font-weight: 500;
  color: #ffffff;
  background: var(--primary-blue);
  border: none;
  border-radius: var(--submittal-radius, 6px);
  cursor: pointer;
  transition: all var(--submittal-transition);
}

.submittal-btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.submittal-btn-primary svg {
  color: #ffffff;
  width: 14px;
  height: 14px;
}

.submittal-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--submittal-font);
  font-size: var(--font-size-base, 13px);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--submittal-radius, 6px);
  cursor: pointer;
  transition: all var(--submittal-transition);
}

.submittal-btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-color-dark);
}

.submittal-btn-secondary svg {
  color: var(--text-muted);
  width: 14px;
  height: 14px;
}

/* Views */
.submittal-view {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.submittal-view.active {
    display: flex;
}

/* Selects - Design System */
.submittal-toolbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

/* ── Skeleton loading ─────────────────────────────────────── */
@keyframes submittalSkShimmer {
  100% { transform: translateX(100%); }
}

.sub-skeleton-cell {
  display: inline-block;
  height: 13px;
  border-radius: 4px;
  background: #e2e8f0;
  position: relative;
  overflow: hidden;
}
.sub-skeleton-cell::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, rgba(226,232,240,0) 0%, rgba(248,250,252,0.8) 50%, rgba(226,232,240,0) 100%);
  animation: submittalSkShimmer 1.1s ease-in-out infinite;
}
/* Stagger shimmer so rows don't all pulse in sync */
tr.sub-skeleton-row:nth-child(2) .sub-skeleton-cell::after { animation-delay: 0.15s; }
tr.sub-skeleton-row:nth-child(3) .sub-skeleton-cell::after { animation-delay: 0.3s; }
tr.sub-skeleton-row:nth-child(4) .sub-skeleton-cell::after { animation-delay: 0.45s; }
tr.sub-skeleton-row:nth-child(5) .sub-skeleton-cell::after { animation-delay: 0.6s; }

tr.sub-skeleton-row td { padding-top: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--gray-100, #f3f4f6); }

/* Stat card skeleton */
.sub-skeleton-stat {
  height: 32px;
  border-radius: 6px;
  background: #e2e8f0;
  position: relative;
  overflow: hidden;
}
.sub-skeleton-stat::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, rgba(226,232,240,0) 0%, rgba(248,250,252,0.8) 50%, rgba(226,232,240,0) 100%);
  animation: submittalSkShimmer 1.1s ease-in-out infinite;
}

/* ── File tree picker (used in new submittal modal) ─── */
.ftree-picker {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.ftree-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
  flex-shrink: 0;
}
.ftree-search-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 5px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 4px 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ftree-search-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.12);
}
.ftree-search {
  flex: 1;
  border: none;
  outline: none;
  font-size: 12px;
  background: transparent;
  color: var(--text-primary);
  padding: 0;
}
.ftree-badge {
  font-size: 11px;
  font-weight: 600;
  color: #2563eb;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 1px 7px;
  white-space: nowrap;
}
.ftree-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 6px 4px;
}
.ftree-root { padding: 0; }
.ftree-folder { margin: 1px 0; }
.ftree-folder-hdr {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background 0.12s;
}
.ftree-folder-hdr:hover { background: #f1f5f9; }
.ftree-folder-ico { color: #f59e0b; }
.ftree-folder-ico path { fill: currentColor; }
.ftree-folder-hdr.zone-wip { background: var(--cde-wip-bg, #fff8ec); border: 1px solid var(--cde-wip-border, #f5d080); }
.ftree-folder-hdr.zone-shared { background: var(--cde-shared-bg, #eef5ff); border: 1px solid var(--cde-shared-border, #a8c8f8); }
.ftree-folder-hdr.zone-published { background: var(--cde-publish-bg, #eefaf3); border: 1px solid var(--cde-publish-border, #7ecfa0); }
.ftree-folder-hdr.zone-archive { background: var(--cde-archive-bg, #f4eeff); border: 1px solid var(--cde-archive-border, #c0a0e8); }
.ftree-folder-hdr.zone-wip .ftree-folder-ico, .ftree-folder-hdr.zone-wip .ftree-foldname { color: var(--cde-wip, #b86e00); }
.ftree-folder-hdr.zone-shared .ftree-folder-ico, .ftree-folder-hdr.zone-shared .ftree-foldname { color: var(--cde-shared, #1460b8); }
.ftree-folder-hdr.zone-published .ftree-folder-ico, .ftree-folder-hdr.zone-published .ftree-foldname { color: var(--cde-publish, #157a35); }
.ftree-folder-hdr.zone-archive .ftree-folder-ico, .ftree-folder-hdr.zone-archive .ftree-foldname { color: var(--cde-archive, #6530b0); }
.ftree-arrow { font-size: 9px; color: #94a3b8; width: 10px; flex-shrink: 0; }
.ftree-foldname { font-size: 12px; font-weight: 600; color: #334155; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ftree-fold-count { font-size: 10px; color: #94a3b8; background: #f1f5f9; border-radius: 8px; padding: 0 5px; flex-shrink: 0; }
.ftree-children { padding-left: 16px; border-left: 1px dashed #e2e8f0; margin-left: 12px; }
.ftree-file { margin: 1px 0; }
.ftree-file-lbl {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.12s;
  font-size: 12px;
  color: #475569;
}
.ftree-file-lbl:hover { background: #f8fafc; }
.ftree-chk:checked ~ .ftree-file-ext-badge,
.ftree-chk:checked ~ .ftree-fname { color: #1d4ed8; }
.ftree-chk { width: 14px; height: 14px; flex-shrink: 0; accent-color: var(--color-primary); }
.ftree-file-ext-badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  background: #e2e8f0;
  color: #475569;
  border-radius: 3px;
  padding: 1px 3px;
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.ftree-fname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ftree-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px;
  border-top: 1px solid #f1f5f9;
  background: #fafbfc;
  flex-shrink: 0;
}
.ftree-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 2px 6px 2px 8px;
  font-size: 11px;
  color: #1d4ed8;
  max-width: 260px;
}
.ftree-chip-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.ftree-chip-with-version { max-width: 320px; }
.ftree-ver-badge { flex-shrink: 0; font-size: 10px; background: #dbeafe; border-radius: 6px; padding: 1px 5px; color: #1e40af; }
.ftree-ver-sel { flex-shrink: 0; font-size: 10px; border: 1px solid #bfdbfe; border-radius: 6px; padding: 1px 4px; background: #dbeafe; color: #1e40af; cursor: pointer; }
.ftree-chip-rm { border: none; background: transparent; color: #93c5fd; font-size: 13px; line-height: 1; cursor: pointer; padding: 0; flex-shrink: 0; transition: color 0.12s; }
.ftree-chip-rm:hover { color: #1d4ed8; }
.ftree-empty { padding: 16px; font-size: 12px; color: #94a3b8; text-align: center; }

/* ── Search Item Picker (references in new submittal modal) ── */
.sip-wrap { border: 1px solid #cbd5e1; border-radius: 8px; background: #fff; position: relative; transition: border-color 0.15s; }
.sip-wrap:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 2.5px rgba(0,102,204,0.14); }
.sip-tokens { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px 10px 4px; min-height: 34px; }
.sip-token { display: inline-flex; align-items: center; gap: 4px; background: #f0fdf4; border: 1px solid #86efac; border-radius: 12px; padding: 2px 4px 2px 8px; font-size: 11px; color: #166534; max-width: 240px; }
.sip-token-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.sip-rm { border: none; background: transparent; color: #86efac; font-size: 13px; line-height: 1; cursor: pointer; padding: 0 2px; flex-shrink: 0; transition: color 0.12s; }
.sip-rm:hover { color: #166534; }
.sip-input-row { display: flex; align-items: center; gap: 6px; padding: 5px 10px; border-top: 1px solid #f1f5f9; }
.sip-search { flex: 1; border: none; outline: none; font-size: 13px; background: transparent; color: var(--text-primary); padding: 0; min-width: 0; }
.sip-drop { position: absolute; left: 0; right: 0; top: calc(100% + 3px); background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; box-shadow: 0 4px 16px rgba(15,23,42,0.12); list-style: none; margin: 0; padding: 4px; max-height: 200px; overflow-y: auto; z-index: 99999; }
.sip-opt { padding: 7px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; color: #334155; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: background 0.12s; }
.sip-opt:hover { background: #f0fdf4; color: #166534; }
.sip-empty { padding: 10px 8px; font-size: 12px; color: #94a3b8; text-align: center; }

/* ── Rich Text Editor (description in new submittal modal) ── */
.rte-wrap { border: 1px solid #cbd5e1; border-radius: 8px; overflow: hidden; background: #fff; transition: border-color 0.15s; }
.rte-wrap:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 2.5px rgba(0,102,204,0.14); }
.rte-toolbar { display: flex; align-items: center; gap: 2px; padding: 4px 8px; background: #f8fafc; border-bottom: 1px solid #e2e8f0; }
.rte-btn { border: 1px solid transparent; background: transparent; border-radius: 4px; padding: 3px 7px; font-size: 12px; color: #475569; cursor: pointer; transition: all 0.12s; line-height: 1.4; min-width: 26px; display: inline-flex; align-items: center; justify-content: center; }
.rte-btn:hover { background: #e2e8f0; border-color: #cbd5e1; color: #1e293b; }
.rte-divider { width: 1px; height: 16px; background: #e2e8f0; margin: 0 4px; }
.rte-hint { margin-left: auto; font-size: 11px; color: #94a3b8; font-style: italic; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rte-editor { min-height: 80px; max-height: 180px; overflow-y: auto; padding: 10px 12px; font-size: 13px; color: var(--text-primary); line-height: 1.6; outline: none; word-break: break-word; }
.rte-editor:empty::before { content: attr(data-ph); color: #94a3b8; pointer-events: none; }
.rte-editor ul, .rte-editor ol { margin: 4px 0; padding-left: 20px; }
.rte-editor li { margin: 2px 0; }
.rte-inline-img { max-width: 100%; max-height: 160px; border-radius: 6px; border: 1px solid #e2e8f0; margin: 4px 0; display: block; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }