/* ═══════════════════════════════════════════
   PORTAL — COMMISSIONING TRACKER
   Modern SaaS Dashboard Theme
═══════════════════════════════════════════ */

:root {
  --bg:          #0b0f1a;
  --surface:     #111827;
  --surface-2:   #1a2235;
  --surface-3:   #243047;
  --border:      #1f2d45;
  --border-2:    #2a3a55;
  --text:        #f4f7fc;
  --text-2:      #b0bfd4;
  --text-3:      #6b82a0;
  --accent:      #3b82f6;
  --accent-dim:  #1d4ed8;
  --accent-glow: rgba(59,130,246,0.15);
  --green:       #10b981;
  --green-dim:   rgba(16,185,129,0.12);
  --red:         #ef4444;
  --red-dim:     rgba(239,68,68,0.12);
  --yellow:      #f59e0b;
  --radius:      8px;
  --radius-lg:   12px;
  --font:        'DM Sans', sans-serif;
  --font-mono:   'DM Mono', monospace;
  --header-h:    56px;
  --sidebar-w:   300px;
  --transition:  0.18s ease;
  --icon-filter: none;
}

body.light {
  --bg:        #f0f4f8;
  --surface:   #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #edf1f7;
  --border:    #dde3ee;
  --border-2:  #c8d0e0;
  --text:      #111827;
  --text-2:    #4b5a72;
  --text-3:    #8fa3bd;
  --accent-glow: rgba(59,130,246,0.08);
  --green-dim: rgba(16,185,129,0.08);
  --red-dim:   rgba(239,68,68,0.08);
  --icon-filter: none;
}

/* SVG icon image rendering */
.svg-icon-img {
  display: inline-block;
  vertical-align: middle;
  filter: var(--icon-filter);
  pointer-events: none;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ═══ SCROLLBARS ═══ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ═══ BUTTONS ═══ */
button {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
button:active { transform: scale(0.97); }

/* SVG icon images — theme-aware via currentColor filter */
.svg-icon-img {
  display: inline-block;
  vertical-align: middle;
  filter: var(--icon-filter);
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 7px 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.btn-primary:hover { background: var(--accent-dim); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  padding: 7px 12px;
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-2); }

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  padding: 7px 12px;
  border: 1px solid transparent;
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-icon {
  background: transparent;
  color: var(--text-3);
  padding: 4px;
  border-radius: 6px;
  border: none;
}
.btn-icon:hover { background: var(--surface-3); color: var(--text); }

.btn-sm {
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 6px;
}

/* ═══ INPUTS ═══ */
input[type="text"],
input[type="number"],
textarea,
select {
  font-family: var(--font);
  font-size: 13px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 7px 10px;
  transition: border-color var(--transition);
  outline: none;
}
input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea { resize: vertical; width: 100%; }
[contenteditable]:focus { outline: none; }

/* ═══ HEADER ═══ */
#appHeader {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 18px;
  gap: 16px;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.project-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-3);
  font-family: var(--font-mono);
}
#projectName {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  min-width: 80px;
  padding: 1px 4px;
  border-radius: 4px;
  transition: background var(--transition);
  cursor: text;
  line-height: 1.2;
}
#projectName:hover { background: var(--surface-2); }
#projectName:focus { background: var(--surface-2); outline: 2px solid var(--accent); }

.header-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.overall-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
#overallProgressLabel {
  font-size: 13px;
  font-weight: 400;
  font-family: var(--font-mono);
  color: var(--accent);
  min-width: 36px;
}
.progress-track {
  width: 140px;
  height: 5px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 99px;
  transition: width 0.4s ease;
  width: 0%;
}
.progress-caption {
  font-size: 11px;
  color: var(--text-3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.header-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

/* ═══ DROPDOWN NAV ═══ */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-chevron {
  transition: transform 0.18s ease;
  color: var(--text-3);
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35), 0 2px 8px rgba(0,0,0,0.2);
  padding: 6px;
  z-index: 500;
  animation: navFadeIn 0.14s ease;
}
.nav-dropdown-menu.open {
  display: block;
}
@keyframes navFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-dropdown-trigger[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}
.nav-menu-section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-3);
  font-family: var(--font-mono);
  padding: 6px 10px 4px;
}
.nav-menu-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
  font-family: var(--font);
  color: var(--text-2);
  background: transparent;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.nav-menu-item:hover {
  background: var(--surface-2);
  color: var(--text);
}
.nav-menu-item svg {
  color: var(--text-3);
  flex-shrink: 0;
}
.nav-menu-item:hover svg {
  color: var(--accent);
}
.nav-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

/* ═══ WORKSPACE ═══ */
.workspace {
  display: flex;
  height: 100vh;
  padding-top: var(--header-h);
}

/* ═══ SIDEBAR ═══ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-section {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
}
.sidebar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.sidebar-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}
#commissioningSignoff {
  font-size: 12px;
  padding: 6px 8px;
  min-height: 48px;
}

#folderList {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
}

.folder-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  group: true;
}
.folder-item:hover { background: var(--surface-2); }
.folder-item.active { background: var(--accent-glow); border: 1px solid rgba(59,130,246,0.25); }
.folder-item.active .folder-name { color: var(--accent); }

.folder-icon { font-size: 13px; flex-shrink: 0; }
.folder-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: text;
}
.folder-item.active .folder-name { color: var(--accent); }

.folder-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  background: var(--surface-3);
  color: var(--text-3);
  padding: 1px 5px;
  border-radius: 99px;
  flex-shrink: 0;
}
.folder-item.active .folder-badge { background: var(--accent-glow); color: var(--accent); }

.folder-del {
  opacity: 0;
  transition: opacity var(--transition);
  flex-shrink: 0;
  font-size: 11px;
  color: var(--red);
  background: transparent;
  border: none;
  padding: 2px 5px;
  border-radius: 4px;
}
.folder-item:hover .folder-del { opacity: 1; }
.folder-del:hover { background: var(--red-dim); }

/* ═══ CONTENT SPLIT ═══ */
.content-split {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.list-pane {
  width: var(--list-pane-w, 430px);
  flex-shrink: 0;
  background: var(--surface-2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.detail-pane {
  flex: 1;
  background: var(--bg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ═══ RESIZE HANDLES ═══ */
.resize-handle {
  width: 5px;
  flex-shrink: 0;
  background: transparent;
  cursor: col-resize;
  position: relative;
  z-index: 10;
  transition: background 0.15s;
}
.resize-handle:hover,
.resize-handle.dragging {
  background: rgba(59,130,246,0.5);
}
.resize-handle::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: -3px; right: -3px;
}

/* ═══ EMPTY STATE ═══ */
.empty-state, .detail-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-3);
  font-size: 13px;
  padding: 40px;
  text-align: center;
}
.empty-icon { font-size: 36px; opacity: 0.4; }

/* ═══ CONTENT AREA HEADER ═══ */
.pane-header {
  padding: 14px 16px 15px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--surface);
}
.pane-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.pane-title {
  font-size: 13px;
  font-weight: 450;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pane-subtitle {
  font-size: 11px;
  color: var(--text-3);
}
.breadcrumb {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 4px;
}
.breadcrumb span { color: var(--text-2); }
.breadcrumb-sep { color: var(--text-3); }

/* ═══ MODULE CARDS ═══ */
.card-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px;
}

.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}
.module-card:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateX(2px); }
.module-card.active { border-color: var(--accent); background: var(--accent-glow); }

.module-card-icon {
  width: 32px;
  height: 32px;
  background: var(--surface-3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.module-card.active .module-card-icon { background: var(--accent-glow); }

.module-card-body { flex: 1; min-width: 0; }
.module-card-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.module-card-name[contenteditable="true"]:focus {
  outline: none;
  background: var(--surface-3);
  border-radius: 3px;
  padding: 0 3px;
}
.module-card-meta {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 1px;
}

.module-card-progress {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  flex-shrink: 0;
}
.mini-progress-pct {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--text-2);
}
.mini-progress-track {
  width: 48px;
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.mini-progress-fill {
  height: 100%;
  background: var(--green);
  border-radius: 99px;
  transition: width 0.3s;
}
.mini-progress-fill.warn { background: var(--yellow); }
.mini-progress-fill.danger { background: var(--red); }

.card-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.module-card:hover .card-actions { opacity: 1; }

/* ═══ DEVICE CARDS ═══ */
.device-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}
.device-card:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateX(2px); }
.device-card.active { border-color: var(--accent); background: var(--accent-glow); }
.device-card.complete { border-color: rgba(16,185,129,0.3); }
.device-card.complete .device-status-dot { background: var(--green); box-shadow: 0 0 6px var(--green); }

.device-icon {
  font-size: 18px;
  width: 34px;
  height: 34px;
  background: var(--surface-3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.device-card.complete .device-icon { background: var(--green-dim); }
.device-card.active .device-icon { background: var(--accent-glow); }

.device-body { flex: 1; min-width: 0; }
.device-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.device-name[contenteditable="true"]:focus {
  outline: none;
  background: var(--surface-3);
  border-radius: 3px;
  padding: 0 3px;
  white-space: normal;
  overflow: visible;
}
.device-type-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-3);
  background: var(--surface-3);
  padding: 1px 6px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 2px;
}

.device-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.device-status-dot {
  width: 7px; height: 7px;
  background: var(--border-2);
  border-radius: 50%;
  transition: all 0.3s;
}
.checklist-count {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-3);
}

/* ═══ ADD TOOLBAR ═══ */
.toolbar {
  padding: 10px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
}

/* ═══ DETAIL PANE ═══ */
.detail-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.detail-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.detail-device-icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  background: var(--surface-2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.detail-meta { flex: 1; }
.detail-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.detail-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.detail-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--surface-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.detail-progress-ring {
  flex-shrink: 0;
  text-align: center;
}

/* detail-header-right removed — back btn is now leftmost flex item */
.detail-close-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 5px 11px;
  border-radius: var(--radius);
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  transition: all var(--transition);
}
.detail-close-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-2); }
.detail-addr-tag {
  color: var(--yellow) !important;
  background: rgba(245,158,11,0.12) !important;
  border-color: rgba(245,158,11,0.28) !important;
}
.detail-drawing-tag {
  color: #a78bfa !important;
  background: rgba(167,139,250,0.12) !important;
  border-color: rgba(167,139,250,0.28) !important;
  transition: all var(--transition);
}
.detail-drawing-tag:hover {
  background: rgba(167,139,250,0.25) !important;
  border-color: rgba(167,139,250,0.5) !important;
}

.ring-pct {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  display: block;
}
.ring-label {
  font-size: 9px;
  color: var(--text-3);
  letter-spacing: 0.1em;
}

.detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ═══ CHECKLIST ═══ */
.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
  border: 1px solid transparent;
}
.check-item:hover { background: var(--surface-2); }
.check-item.checked { background: var(--green-dim); border-color: rgba(16,185,129,0.15); }

.check-box {
  width: 17px;
  height: 17px;
  border-radius: 5px;
  border: 1.5px solid var(--border-2);
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.check-item.checked .check-box {
  background: var(--green);
  border-color: var(--green);
}
.check-box svg { display: none; }
.check-item.checked .check-box svg { display: block; }

.check-label {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--transition);
}
.check-item.checked .check-label {
  color: var(--text-3);
  text-decoration: line-through;
}

/* ═══ NOTES ═══ */
.notes-textarea {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 10px 12px;
  resize: vertical;
  min-height: 80px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.notes-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  outline: none;
}

/* ═══ IMAGES ═══ */
.image-upload-zone {
  border: 2px dashed var(--border-2);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-3);
  font-size: 13px;
  background: var(--surface-2);
}
.image-upload-zone:hover, .image-upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}
.image-upload-zone svg { margin-bottom: 6px; opacity: 0.5; }

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.image-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  group: true;
}
.image-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}
.image-thumb:hover img { transform: scale(1.05); }
.image-thumb-del {
  position: absolute;
  top: 3px; right: 3px;
  width: 20px; height: 20px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}
.image-thumb:hover .image-thumb-del { display: flex; }
.image-thumb-del:hover { background: var(--red); }

/* ═══ IMAGE LIGHTBOX ═══ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); }

/* ═══ MODALS ═══ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  min-width: 400px;
  max-width: 95vw;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.modal-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.modal-footer label {
  font-size: 13px;
  color: var(--text-2);
  display: flex;
  align-items: center;
}

/* ═══ DEVICE TYPE GRID ═══ */
.device-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  padding: 16px 18px;
  overflow-y: auto;
  max-height: 320px;
}
.device-type-btn {
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
}
.device-type-btn:hover { border-color: var(--accent); background: var(--accent-glow); color: var(--text); }
.device-type-btn.selected { border-color: var(--accent); background: var(--accent-glow); color: var(--accent); }
.device-type-btn span:first-child { font-size: 24px; }

/* ═══ PDF MODAL LAYOUT ═══ */
.pdf-modal-box {
  width: min(1000px, 95vw);
  height: 85vh;
  display: flex;
  flex-direction: column;
}

.pdf-modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ═══ PDF OPTIONS PANEL ═══ */
.pdf-options-panel {
  width: 230px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0;
  background: var(--surface-2);
}

.pdf-opt-section {
  padding: 10px 14px 14px;
  border-bottom: 1px solid var(--border);
}
.pdf-opt-section:last-child { border-bottom: none; }

.pdf-opt-section-title {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-bottom: 10px;
}

.pdf-opt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 0;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-2);
  gap: 8px;
  user-select: none;
}
.pdf-opt-row:hover { color: var(--text); }
.pdf-opt-row span:first-child { flex: 1; }

.pdf-opt-select {
  font-size: 11px;
  padding: 3px 6px;
  border-radius: 5px;
  background: var(--surface-3);
  color: var(--text-2);
  border: 1px solid var(--border-2);
  cursor: pointer;
}

/* Toggle switch */
.toggle-wrap {
  position: relative;
  width: 34px;
  height: 18px;
  flex-shrink: 0;
}
.toggle-wrap input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-2);
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition);
}
.toggle-wrap input:checked + .toggle-slider { background: var(--accent); }
.toggle-wrap input:checked + .toggle-slider::before { transform: translateX(16px); }

/* Radio as toggle */
.toggle-wrap input[type="radio"] + .toggle-slider { background: var(--border-2); }
.toggle-wrap input[type="radio"]:checked + .toggle-slider { background: var(--accent); }
.toggle-wrap input[type="radio"]:checked + .toggle-slider::before { transform: translateX(16px); }

/* Scope folder list */
.pdf-scope-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.pdf-scope-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}
.pdf-scope-item:hover { color: var(--text); }
.pdf-scope-check {
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--border-2);
  border-radius: 4px;
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.pdf-scope-item.selected .pdf-scope-check {
  background: var(--accent);
  border-color: var(--accent);
}
.pdf-scope-check svg { display: none; }
.pdf-scope-item.selected .pdf-scope-check svg { display: block; }
.pdf-scope-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }

/* ═══ PDF PREVIEW ═══ */
#pdfPreviewContainer {
  flex: 1;
  overflow-y: auto;
  background: #555;
  display: flex;
  justify-content: center;
  padding: 20px;
  min-height: 0;
}
#pdfPreview {
  width: 210mm;
  background: #fff;
  color: #111;
  font-family: system-ui, sans-serif;
  padding: 15mm;
  box-sizing: border-box;
  font-size: 10pt;
  line-height: 1.4;
  align-self: flex-start;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
#pdfPreview h1 { font-size: 20pt; margin-bottom: 4pt; color: #0f172a; }
#pdfPreview .pdf-meta { font-size: 9pt; color: #64748b; margin-bottom: 14pt; border-bottom: 2pt solid #3b82f6; padding-bottom: 6pt; }

/* Summary block */
#pdfPreview .pdf-summary { background: #f8fafc; border: 1pt solid #e2e8f0; border-radius: 4pt; padding: 8pt 10pt; margin-bottom: 14pt; }
#pdfPreview .pdf-summary-title { font-size: 8pt; font-weight: 700; letter-spacing: 0.08em; color: #94a3b8; margin-bottom: 6pt; }
#pdfPreview .pdf-summary-row { display: flex; justify-content: space-between; font-size: 9pt; color: #334155; margin-bottom: 4pt; }
#pdfPreview .pdf-summary-bar-track { height: 4pt; background: #e2e8f0; border-radius: 99pt; overflow: hidden; margin-bottom: 8pt; }
#pdfPreview .pdf-summary-bar-fill { height: 100%; background: #3b82f6; border-radius: 99pt; }
#pdfPreview .pdf-summary-folders { display: flex; flex-direction: column; gap: 2pt; }
#pdfPreview .pdf-summary-folder-row { display: flex; justify-content: space-between; font-size: 8.5pt; color: #64748b; }

/* Folders & modules */
#pdfPreview .pdf-folder { margin-bottom: 14pt; }
#pdfPreview .pdf-folder-title { font-size: 13pt; font-weight: 700; color: #1d4ed8; margin-bottom: 4pt; display: flex; align-items: center; gap: 8pt; }
#pdfPreview .pdf-module { margin-left: 6pt; margin-bottom: 10pt; }
#pdfPreview .pdf-module-title { font-size: 10.5pt; font-weight: 600; color: #374151; border-bottom: 0.5pt solid #e5e7eb; padding-bottom: 2pt; margin-bottom: 5pt; display: flex; align-items: center; gap: 8pt; }

/* Devices */
#pdfPreview .pdf-device { margin-left: 6pt; margin-bottom: 8pt; padding-bottom: 6pt; border-bottom: 0.5pt solid #f1f5f9; break-inside: avoid; }
#pdfPreview .pdf-device:last-child { border-bottom: none; }
#pdfPreview .pdf-device-name { font-size: 10pt; font-weight: 600; color: #0f172a; margin-bottom: 2pt; }
#pdfPreview .pdf-device-type { font-size: 8pt; font-weight: 400; color: #94a3b8; background: #f1f5f9; padding: 1pt 5pt; border-radius: 3pt; margin-left: 4pt; }
#pdfPreview .pdf-pct-badge { font-size: 8pt; font-weight: 600; color: #3b82f6; background: #eff6ff; padding: 1pt 6pt; border-radius: 3pt; margin-left: auto; }
#pdfPreview .pdf-pct-inline { font-size: 8.5pt; font-weight: 400; color: #94a3b8; margin-left: 6pt; }
#pdfPreview .pdf-device-notes { font-size: 9pt; color: #64748b; font-style: italic; margin: 2pt 0 4pt; padding-left: 4pt; border-left: 2pt solid #e2e8f0; }

/* Checklist */
#pdfPreview .pdf-checklist { margin-top: 3pt; }
#pdfPreview .pdf-check-row { display: flex; align-items: center; gap: 5pt; font-size: 9pt; padding: 1.5pt 0; color: #374151; }
#pdfPreview .pdf-check-box { width: 9pt; height: 9pt; border: 1pt solid #94a3b8; border-radius: 2pt; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 7pt; }
#pdfPreview .pdf-check-box.done { background: #10b981; border-color: #10b981; color: #fff; }
#pdfPreview .pdf-check-done { text-decoration: line-through; color: #94a3b8; }

/* Images */
#pdfPreview .pdf-image-row { display: flex; flex-wrap: wrap; gap: 6pt; margin-top: 5pt; }
#pdfPreview .pdf-img-thumb { width: 80pt; height: 60pt; object-fit: cover; border-radius: 3pt; border: 0.5pt solid #e2e8f0; }

/* Sign-off block */
#pdfPreview .pdf-signoff-block { margin-top: 20pt; padding-top: 10pt; border-top: 1pt solid #cbd5e1; }
#pdfPreview .pdf-signoff-title { font-size: 8pt; font-weight: 700; letter-spacing: 0.08em; color: #94a3b8; margin-bottom: 8pt; }
#pdfPreview .pdf-signoff-row { display: flex; align-items: baseline; gap: 10pt; font-size: 9pt; color: #374151; margin-bottom: 8pt; }
#pdfPreview .pdf-signoff-line { border-bottom: 0.5pt solid #334155; flex: 1; min-width: 100pt; padding-bottom: 1pt; font-weight: 500; }

/* ═══════════════════════════════════════════
   DEVICE TOOLBAR — search + status filter pills
═══════════════════════════════════════════ */
.device-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
}

.device-search-wrap {
  flex: 1;
  min-width: 140px;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 9px;
  color: var(--text-3);
  pointer-events: none;
  flex-shrink: 0;
}
.device-search-input {
  width: 100%;
  padding: 6px 28px 6px 28px;
  font-size: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.device-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  outline: none;
}
.device-search-input::placeholder { color: var(--text-3); }

.search-clear-btn {
  position: absolute;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 11px;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 4px;
  line-height: 1;
}
.search-clear-btn:hover { color: var(--text); background: var(--surface-3); }

/* Filter pills */
.device-filter-pills {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.filter-pill {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition);
}
.filter-pill:hover { border-color: var(--accent); color: var(--text); }
.filter-pill.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.pill-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.pill-dot.complete   { background: var(--green); }
.pill-dot.incomplete { background: var(--yellow); }

/* ═══════════════════════════════════════════
   DEVICE CARD — IP badge
═══════════════════════════════════════════ */
.device-tag-row {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
  flex-wrap: wrap;
}

.device-ip-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(59,130,246,0.25);
  padding: 1px 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.device-ip-badge:hover { background: var(--accent); color: #fff; }
.device-ip-badge.copied { background: var(--green); border-color: var(--green); color: #fff; }

.device-addr-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--yellow);
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   NETWORK FIELDS — detail pane
═══════════════════════════════════════════ */
.network-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}
@media (max-width: 900px) {
  .network-fields { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .network-fields { grid-template-columns: 1fr; }
}

.net-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.net-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
}
.net-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.net-input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 32px 7px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.net-field:not(:first-child) .net-input {
  padding-right: 10px;
}
.net-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  outline: none;
}
.net-input::placeholder { color: var(--text-3); font-style: italic; }

.net-copy-btn {
  position: absolute;
  right: 5px;
  background: transparent;
  border: none;
  color: var(--text-3);
  padding: 4px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: all var(--transition);
}
.net-copy-btn:hover { color: var(--accent); background: var(--accent-glow); }

/* Header IP tag — clickable copy */
.detail-ip-tag {
  font-family: var(--font-mono);
  color: var(--accent) !important;
  background: var(--accent-glow) !important;
  border-color: rgba(59,130,246,0.3) !important;
  cursor: pointer;
  transition: all var(--transition);
}
.detail-ip-tag:hover { background: var(--accent) !important; color: #fff !important; }

/* ═══════════════════════════════════════════
   PDF — network row
═══════════════════════════════════════════ */
#pdfPreview .pdf-net-row {
  display: flex;
  gap: 14pt;
  flex-wrap: wrap;
  margin: 3pt 0 5pt;
  padding: 4pt 6pt;
  background: #f0f7ff;
  border-left: 2pt solid #3b82f6;
  border-radius: 2pt;
  font-size: 8.5pt;
  color: #334155;
}
#pdfPreview .pdf-net-field {
  white-space: nowrap;
}
#pdfPreview .pdf-net-field b {
  color: #1d4ed8;
  font-weight: 600;
}

/* ═══════════════════════════════════════════
   ADDRESS / POWER / CONNECTION FIELDS
═══════════════════════════════════════════ */
.field-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.field-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 140px;
}
.field-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}
.field-optional {
  font-size: 9px;
  font-weight: 400;
  color: var(--text-3);
  opacity: 0.7;
  text-transform: none;
  letter-spacing: 0;
}
.field-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 6px 10px;
}


/* ═══════════════════════════════════════════
   CONNECTION CARD PICKER
═══════════════════════════════════════════ */
.conn-picker-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Status badge */
.conn-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 99px;
  padding: 5px 10px 5px 8px;
  flex-wrap: wrap;
  transition: all 0.15s ease;
}
.conn-status.confirmed {
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(16,185,129,0.28);
  animation: conn-pop 0.2s ease;
}
@keyframes conn-pop {
  from { transform: scale(0.93); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}
.conn-status.empty {
  color: var(--text-3);
  font-style: italic;
  padding-left: 2px;
}
.conn-status confirmed strong { font-weight: 600; }
.conn-status-loc {
  font-size: 9px;
  font-weight: 400;
  opacity: 0.65;
  border-left: 1px solid rgba(16,185,129,0.3);
  padding-left: 6px;
}
.conn-status-clear {
  background: none;
  border: none;
  color: var(--green);
  opacity: 0.55;
  font-size: 10px;
  padding: 0 2px;
  cursor: pointer;
  line-height: 1;
  transition: opacity var(--transition);
}
.conn-status-clear:hover { opacity: 1; }

/* Toolbar row */
.conn-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.conn-filter-pills { display: flex; gap: 4px; flex-shrink: 0; }
.conn-pill {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--surface-3);
  color: var(--text-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.conn-pill.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(59,130,246,0.35);
}
.conn-search-box {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  min-width: 100px;
}
.conn-search-box svg {
  position: absolute;
  left: 8px;
  opacity: 0.4;
  pointer-events: none;
}
.conn-search-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  padding: 5px 10px 5px 26px;
  width: 100%;
  transition: border-color var(--transition);
}
.conn-search-input:focus { outline: none; border-color: var(--accent); }

/* Card list */
.conn-card-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: 210px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  background: var(--surface-2);
}
.conn-group-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 6px 8px 3px;
}
.conn-device-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.conn-device-card:hover { background: var(--surface-3); border-color: var(--border); }
.conn-device-card.selected { background: var(--accent-glow); border-color: rgba(59,130,246,0.35); }
.conn-card-icon { font-size: 15px; flex-shrink: 0; }
.conn-card-body { display: flex; flex-direction: column; gap: 1px; flex: 1; overflow: hidden; }
.conn-card-name { font-size: 12px; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conn-card-type { font-size: 9px; color: var(--text-3); }
.conn-card-tick { color: var(--accent); flex-shrink: 0; display: flex; align-items: center; opacity: 0; transition: opacity var(--transition); }
.conn-card-tick.on { opacity: 1; }
.conn-card-empty { padding: 18px; text-align: center; font-size: 11px; color: var(--text-3); font-style: italic; }

/* Viz toggle active */
#vizToggleBtn.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(59,130,246,0.4);
}

/* ═══════════════════════════════════════════
   VISUALIZATION — Module Panels, Vertical Scroll
═══════════════════════════════════════════ */
.viz-container {
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.viz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
  flex-wrap: wrap;
}
.viz-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-2);
  flex-shrink: 0;
}
.viz-filter-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.viz-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--surface-3);
  color: var(--text-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.viz-filter-btn:hover { border-color: var(--border-2); color: var(--text); }
.viz-filter-btn.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(59,130,246,0.35);
}
.vfb-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.vfb-dot.all      { background: var(--text-3); }
.vfb-dot.data     { background: var(--accent); }
.vfb-dot.downstream { background: var(--yellow); }
.vfb-dot.power    { background: var(--yellow); opacity: 0.55; }
.vfb-dot.unlinked { background: var(--surface-3); border: 1px solid var(--border-2); }

/* Scroll area — vertical only */
.viz-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 16px;
  background: radial-gradient(ellipse at 50% 20%, rgba(59,130,246,0.04) 0%, transparent 60%);
}

/* Canvas wrapper inside scroll */
.viz-canvas {
  position: relative;
  min-width: 100%;
}

/* SVG for edges */
.viz-svg {
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
  overflow: visible;
}

/* Module panel */
.viz-module-panel {
  position: absolute;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: visible;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

/* Drag handle = title bar */
.viz-module-label {
  position: relative;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: var(--surface-2);
  user-select: none;
}
.viz-drag-handle { cursor: grab; }
.viz-drag-handle:active { cursor: grabbing; }

/* Type group label inside panel */
.viz-type-label {
  position: absolute;
  left: 14px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
  opacity: 0.6;
}

/* Device node cards */
.viz-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  transition: border-color 0.13s ease, box-shadow 0.13s ease, transform 0.12s ease;
  user-select: none;
  overflow: hidden;
}
.viz-node:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow), 0 3px 10px rgba(0,0,0,0.25);
  transform: translateY(-1px);
  z-index: 20;
}
.viz-node.linked {
  border-color: rgba(59,130,246,0.28);
  background: color-mix(in srgb, var(--surface) 92%, var(--accent) 8%);
}
.viz-node.complete {
  border-color: rgba(16,185,129,0.28);
  background: color-mix(in srgb, var(--surface) 93%, var(--green) 7%);
}
.viz-node.viz-dim {
  opacity: 0.2;
  pointer-events: none;
}
.viz-node-icon { font-size: 14px; flex-shrink: 0; }
.viz-node-info { display: flex; flex-direction: column; gap: 1px; flex: 1; min-width: 0; }
.viz-node-name { font-size: 11px; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viz-node-sub  { font-size: 9px; color: var(--text-3); }
.viz-node-badges { display: flex; gap: 3px; flex-wrap: wrap; margin-top: 2px; }
.viz-badge {
  font-size: 9px;
  font-family: var(--font-mono);
  padding: 0 5px;
  border-radius: 3px;
  white-space: nowrap;
}
.viz-badge.ip   { color: var(--accent); background: var(--accent-glow); border: 1px solid rgba(59,130,246,0.2); }
.viz-badge.addr { color: var(--yellow); background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.22); }
.viz-node-pct { font-size: 9px; font-family: var(--font-mono); color: var(--text-3); flex-shrink: 0; align-self: flex-start; }
.viz-node-pct.done { color: var(--green); }

/* ═══════════════════════════════════════════
   PDF — page break fixes
═══════════════════════════════════════════ */
#pdfPreview .pdf-device   { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-module   { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-folder   { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-checklist { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-net-row  { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-signoff-block { break-inside: avoid; page-break-inside: avoid; }
#pdfPreview .pdf-image-row { break-inside: avoid; page-break-inside: avoid; }

/* ═══════════════════════════════════════════
   DEVICE BUILDER MODAL
═══════════════════════════════════════════ */
.db-modal-box {
  max-width: 860px;
  width: 96vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.db-modal-body {
  display: flex;
  gap: 16px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 16px;
}

/* Left: form panel */
.db-form-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-width: 0;
  padding-right: 4px;
}

.db-section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.db-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.db-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Capability toggles */
.db-caps-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.db-cap-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  cursor: pointer;
}
.db-cap-toggle input[type="checkbox"] {
  display: none;
}
.db-cap-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.db-cap-label:hover { border-color: var(--accent); color: var(--text); }
.db-cap-toggle input:checked + .db-cap-label {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(59,130,246,0.45);
}

/* Checklist rows */
.db-checklist-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  background: var(--surface-2);
}
.db-checklist-list:empty {
  display: none;
}

.db-checklist-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.db-drag-handle {
  color: var(--text-3);
  cursor: grab;
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.5;
}
.db-drag-handle:hover { opacity: 1; }
.db-checklist-input {
  flex: 1;
  font-size: 12px !important;
  padding: 5px 8px !important;
}
.db-checklist-remove {
  color: var(--text-3);
  background: none;
  border: none;
  padding: 3px;
  flex-shrink: 0;
}
.db-checklist-remove:hover { color: var(--red); }

.db-add-item-btn { align-self: flex-start; }

.db-form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.db-save-msg {
  font-size: 11px;
  color: var(--green);
  flex: 1;
}

/* Right: saved types list */
.db-list-panel {
  width: 270px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  padding-left: 16px;
  overflow: hidden;
}

.db-type-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  flex: 1;
}

.db-list-empty {
  font-size: 11px;
  color: var(--text-3);
  font-style: italic;
  padding: 10px 0;
}

.db-type-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.db-type-row:hover { border-color: var(--border-2); }

.db-type-icon { font-size: 16px; flex-shrink: 0; }

.db-type-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.db-type-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.db-type-caps {
  font-size: 9px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.db-type-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* Custom type badge on device type buttons */
.device-type-btn.custom-type {
  border-color: rgba(245,158,11,0.35);
  background: rgba(245,158,11,0.05);
}
.custom-type-dot {
  font-size: 8px;
  color: var(--yellow);
  line-height: 1;
  position: absolute;
  top: 3px;
  right: 3px;
}
.device-type-btn {
  position: relative;
}

/* Responsive: stack on small screens */
@media (max-width: 640px) {
  .db-modal-body { flex-direction: column; }
  .db-list-panel { width: auto; border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 12px; }
}

/* ── Device Builder icon picker ── */
.db-icon-preview-btn {
  font-size: 22px;
  width: 44px;
  height: 38px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  pointer-events: none; /* just a display */
}

.db-icon-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 6px;
  margin-bottom: 4px;
  max-height: 210px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.db-icon-picker::-webkit-scrollbar { width: 5px; }
.db-icon-picker::-webkit-scrollbar-track { background: transparent; }
.db-icon-picker::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
.db-icon-category {
  width: 100%;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-3);
  font-family: var(--font-mono);
  padding: 6px 2px 2px;
  pointer-events: none;
  user-select: none;
}

.db-icon-btn {
  font-size: 18px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background var(--transition), border-color var(--transition);
  line-height: 1;
}
.db-icon-btn:hover {
  background: var(--surface-3);
  border-color: var(--border-2);
}
.db-icon-btn.selected {
  background: var(--accent-glow);
  border-color: rgba(59,130,246,0.5);
}

/* ── Icon picker tabs ── */
.db-icon-tabs {
  display: flex;
  gap: 2px;
  margin-top: 6px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.db-icon-tab {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 5px 5px 0 0;
  color: var(--text-3);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  position: relative;
  bottom: -1px;
}
.db-icon-tab:hover { color: var(--text-2); background: var(--surface-2); }
.db-icon-tab.active {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border);
  border-bottom-color: var(--surface-2);
}

/* ── SVG picker panel ── */
.db-icon-picker-svg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 80px;
}
.db-svg-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.db-svg-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  padding: 5px 10px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.db-svg-upload-label:hover { background: var(--surface-2); color: var(--text); }
.db-svg-upload-hint {
  font-size: 10px;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.db-custom-icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px 0;
}
.db-svg-icon-wrap {
  position: relative;
  display: inline-flex;
}
.db-svg-icon-btn {
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background var(--transition), border-color var(--transition);
  color: var(--text-2);
}
.db-svg-icon-btn img { pointer-events: none; opacity: 0.75; transition: opacity var(--transition); }
.db-svg-icon-btn:hover { background: var(--surface-3); border-color: var(--border-2); }
.db-svg-icon-btn:hover img { opacity: 1; }
.db-svg-icon-btn.selected {
  background: var(--accent-glow);
  border-color: rgba(59,130,246,0.5);
}
.db-svg-icon-btn.selected img { opacity: 1; }
.db-svg-delete-btn {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 14px;
  height: 14px;
  background: var(--red-dim);
  color: var(--red);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 2;
}
.db-svg-icon-wrap:hover .db-svg-delete-btn { display: flex; }
.db-svg-empty {
  font-size: 12px;
  color: var(--text-3);
  padding: 12px 4px;
  line-height: 1.6;
}