/* ElektroCAD Professional – Design System v4.0 */

/* ── Reset & Fonts ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --font-primary: 'Lexend Deca', sans-serif;
  --font-display: 'Cormorant Garamond', serif;
  --bg:           #0a0f1a;
  --bg-panel:     #11171f;
  --bg-card:      #172030;
  --bg-hover:     #1c2b3d;
  --bg-input:     #0f1a28;
  --border:       #1e3a5f;
  --border-light: #2a4a72;
  --text:         #e8f0f8;
  --text-muted:   #7a9ab8;
  --text-dim:     #4a6a88;
  --primary:      #2d7dd2;
  --primary-h:    #1a5fa8;
  --primary-glow: rgba(45,125,210,0.20);
  --success:      #27a86b;
  --warning:      #c8891a;
  --danger:       #d94040;
  --danger-h:     #b83030;
  --radius:       6px;
  --radius-lg:    10px;
  --font:         var(--font-primary);
  --font-display: var(--font-display);
  --font-mono:    'JetBrains Mono', 'Consolas', monospace;

  --bg:           #070d16;
  --bg-panel:     #0d1520;
  --bg-card:      #121e2e;
  --bg-hover:     #1a2a3e;
  --bg-input:     #0f1a28;
  --border:       #1e3a5f;
  --border-light: #2a4a72;

  --text:         #e8f0f8;
  --text-muted:   #7a9ab8;
  --text-dim:     #4a6a88;



  --sidebar-w:    280px;
  --props-w:      280px;
  --topbar-h:     44px;
  --toolbar-h:    40px;
  --bottom-h:     200px;

  --wire-color:       #c8d4e0;
  --symbol-stroke:    #c8d4e0;
  --grid-major:       #0f2040;
  --grid-minor:       #0a1628;
}

html, body {
  height: 100%; overflow: hidden;
  background: linear-gradient(135deg, #0a0f1a, #11171f); color: var(--text);
  font-family: var(--font); font-size: 13px;
  line-height: 1.5;
}

/* ── Scrollbars ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-panel); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Modals ─────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
}
.modal-box {
  background: var(--bg-panel); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 28px; width: 420px;
  max-width: 95vw; box-shadow: 0 20px 60px rgba(0,0,0,0.7);
}
.modal-box h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; color: var(--text); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-header h2 { margin-bottom: 0; }

/* ── Login-Screen ───────────────────────────────────────────── */
#login-screen {
  position: fixed; inset: 0; z-index: 8888;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.login-card {
  background: rgba(17,23,31,0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: 380px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,125,210,0.2), rgba(13,38,84,0.2));
  opacity: 0.4;
  pointer-events: none;
}
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo h1 { font-size: 1.5rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.login-logo h1 span { color: var(--primary); }
.login-logo p  { color: var(--text-muted); font-size: 0.78rem; margin-top: 4px; }

/* ── App-Layout ─────────────────────────────────────────────── */
#app-root { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

/* Top-Bar */
#topbar {
  height: var(--topbar-h); min-height: var(--topbar-h);
  background: var(--bg-panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; padding: 0 14px;
  flex-shrink: 0; z-index: 100;
}
.topbar-brand {
  font-size: 0.95rem; font-weight: 800; color: var(--text);
  letter-spacing: -0.3px; white-space: nowrap;
}
.topbar-brand span { color: var(--primary); }
.topbar-project {
  flex: 1; text-align: center; font-size: 0.78rem; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-actions { display: flex; gap: 6px; align-items: center; }

/* Toolbar */
#toolbar {
  height: var(--toolbar-h); min-height: var(--toolbar-h);
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 3px; padding: 0 10px;
  flex-shrink: 0;
}
.toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 5px; }
.toolbar-group { display: flex; align-items: center; gap: 2px; }

/* Haupt-Arbeitsbereich */
#workspace { flex: 1; display: flex; overflow: hidden; position: relative; }

/* Linke Sidebar */
#sidebar-left {
  width: var(--sidebar-w); min-width: var(--sidebar-w); max-width: 480px;
  background: var(--bg-panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden; flex-shrink: 0;
}
#sidebar-left.collapsed { width: 0; min-width: 0; }

/* Rechte Sidebar */
#sidebar-right {
  width: var(--props-w); min-width: var(--props-w); max-width: 480px;
  background: var(--bg-panel); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden; flex-shrink: 0;
}
#sidebar-right.collapsed { width: 0; min-width: 0; }

/* Resizer */
.resizer { width: 4px; cursor: col-resize; background: transparent; flex-shrink: 0; transition: background 0.15s; }
.resizer:hover { background: var(--primary); }

/* Canvas-Bereich */
#canvas-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; min-width: 0; }
#canvas-container { flex: 1; overflow: hidden; position: relative; }

/* Bottom Console */
#bottom-console {
  height: var(--bottom-h); min-height: 30px; max-height: 60vh;
  background: var(--bg-panel); border-top: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0; transition: height 0.2s;
}
#bottom-console.minimized { height: 30px; }
.console-topbar {
  height: 30px; display: flex; align-items: center; gap: 8px;
  padding: 0 10px; border-bottom: 1px solid var(--border); flex-shrink: 0; cursor: row-resize;
}
.console-tabs { display: flex; gap: 2px; }
.console-tab {
  padding: 3px 10px; font-size: 0.72rem; border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer; color: var(--text-muted); border: 1px solid transparent;
  border-bottom: none; transition: all 0.15s; background: transparent;
}
.console-tab:hover  { color: var(--text); background: var(--bg-hover); }
.console-tab.active { color: var(--text); background: var(--bg-card); border-color: var(--border); font-weight: 600; }
.console-body { flex: 1; overflow-y: auto; }
.console-panel { display: none; }
.console-panel.active { display: block; }

/* ── Sidebar Tabs ───────────────────────────────────────────── */
.sidebar-tabs { display: flex; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.stab {
  flex: 1; padding: 7px 4px; font-size: 0.72rem; text-align: center;
  cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent;
  transition: all 0.15s; background: transparent;
}
.stab:hover  { color: var(--text); }
.stab.active { color: var(--text); border-bottom-color: var(--primary); font-weight: 600; }

.tab-panel { display: none; flex: 1; overflow: hidden; flex-direction: column; }
.tab-panel.active { display: flex; }

/* ── Symbol-Bibliothek ──────────────────────────────────────── */
.lib-search { padding: 8px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.lib-cat-header {
  padding: 5px 10px; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.4px;
  text-transform: uppercase; color: var(--text-muted); background: var(--bg-card);
  border-bottom: 1px solid var(--border); cursor: pointer;
  display: flex; justify-content: space-between; user-select: none;
}
.lib-cat-header:hover { color: var(--text); background: var(--bg-hover); }
.lib-items-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; padding: 6px; }
.lib-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 7px 4px; text-align: center;
  cursor: grab; transition: border-color 0.15s, background 0.15s; user-select: none;
}
.lib-item:hover { border-color: var(--primary); background: var(--bg-hover); }
.lib-item:active { cursor: grabbing; }
.lib-item svg { display: block; margin: 0 auto 4px; }
.lib-item-name { font-size: 0.6rem; color: var(--text-muted); line-height: 1.2; word-break: break-word; }

/* ── Projektbaum ────────────────────────────────────────────── */
.tree-scroll { flex: 1; overflow-y: auto; padding: 6px 0; }
.tree-item {
  display: flex; align-items: center; gap: 6px; padding: 5px 12px;
  cursor: pointer; color: var(--text-muted); font-size: 0.76rem; transition: all 0.12s;
}
.tree-item:hover { background: var(--bg-hover); color: var(--text); }
.tree-item.active { background: rgba(56,139,253,0.12); color: var(--primary); }
.tree-item svg { width: 14px; height: 14px; flex-shrink: 0; }
.tree-indent { padding-left: 24px; }
.tree-section {
  padding: 8px 12px 3px; font-size: 0.64rem; font-weight: 700;
  letter-spacing: 0.8px; text-transform: uppercase; color: var(--text-dim);
}

/* ── Projekt-Explorer ────────────────────────────────────────── */
#project-tree {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column;
  background: var(--bg-panel);
}

/* Suchleiste */
.exp-search-row {
  padding: 7px 8px 5px; flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}
.exp-search-inp {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 0.72rem;
  padding: 4px 9px; outline: none; font-family: var(--font);
  transition: border-color 0.15s;
}
.exp-search-inp:focus { border-color: var(--primary); }
.exp-search-inp::placeholder { color: var(--text-dim); }

/* Projektkopf */
.exp-proj-hdr {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 10px 5px; flex-shrink: 0;
  color: var(--text-muted); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.3px; border-bottom: 1px solid var(--border);
}
.exp-proj-icon { opacity: 0.6; flex-shrink: 0; display: flex; }
.exp-proj-name {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--text-dim); font-size: 0.69rem;
}

/* Seiten-Gruppe */
.exp-page-group { border-bottom: 1px solid rgba(48,54,61,0.6); }
.exp-page-current .exp-page-hdr { background: rgba(56,139,253,0.06); }

/* Seiten-Header */
.exp-page-hdr {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; cursor: pointer;
  font-size: 0.76rem; color: var(--text-muted);
  transition: background 0.12s, color 0.12s;
  user-select: none;
}
.exp-page-hdr:hover { background: var(--bg-hover); color: var(--text); }
.exp-page-icon { flex-shrink: 0; opacity: 0.7; display: flex; }
.exp-page-name {
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 500;
}
.exp-cur-dot {
  flex-shrink: 0; display: flex; color: var(--primary);
  animation: expPulse 2s ease-in-out infinite;
}
@keyframes expPulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.exp-count-badge {
  flex-shrink: 0; font-size: 0.6rem; font-weight: 700;
  background: var(--bg-card); color: var(--text-dim);
  border-radius: 10px; padding: 1px 6px; margin-left: auto;
}

/* Chevron */
.exp-chev, .exp-sec-chev {
  flex-shrink: 0; display: flex; opacity: 0.5;
  transition: transform 0.18s ease;
}
.exp-chev.open, .exp-sec-chev.open { transform: rotate(0deg); }
.exp-chev:not(.open), .exp-sec-chev:not(.open) { transform: rotate(-90deg); }

/* Seiten-Körper */
.exp-page-body { padding-left: 4px; }

/* Sektion (Geräte / Kabel / Klemmen) */
.exp-sec-wrap { border-top: 1px solid rgba(48,54,61,0.5); }
.exp-sec-hdr {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 10px 4px 14px; cursor: pointer;
  font-size: 0.67rem; font-weight: 600; letter-spacing: 0.4px;
  text-transform: uppercase; color: var(--text-dim);
  transition: background 0.12s; user-select: none;
}
.exp-sec-hdr:hover { background: var(--bg-card); color: var(--text-muted); }
.exp-sec-icon { flex-shrink: 0; opacity: 0.55; display: flex; }
.exp-sec-label { flex: 1; }
.exp-sec-badge {
  font-size: 0.58rem; font-weight: 700; border-radius: 8px; padding: 1px 5px;
}
/* Badge-Farben */
.exp-sec-badge.badge-blue   { background: rgba(56,139,253,0.15); color: #93c5fd; }
.exp-sec-badge.badge-yellow { background: rgba(210,153,34,0.15);  color: #fcd34d; }
.exp-sec-badge.badge-green  { background: rgba(63,185,80,0.15);   color: #86efac; }

/* Sektions-Körper */
.exp-sec-body { padding-bottom: 3px; }
.exp-sec-empty {
  padding: 6px 20px; font-size: 0.68rem; color: var(--text-dim);
  font-style: italic;
}

/* Einzelnes Item */
.exp-item {
  display: flex; align-items: center; gap: 6px;
  padding: 3px 10px 3px 24px; cursor: pointer;
  font-size: 0.73rem; color: var(--text-muted);
  transition: background 0.1s, color 0.1s;
  min-height: 26px; position: relative;
  border-left: 2px solid transparent;
}
.exp-item:hover {
  background: var(--bg-hover); color: var(--text);
  border-left-color: var(--border-light);
}
.exp-item:hover .exp-jump-btn { opacity: 1; }
.exp-item.active {
  background: rgba(56,139,253,0.10);
  color: #93c5fd;
  border-left-color: var(--primary);
}
.exp-item.active .exp-item-bmk { color: var(--primary); }

/* BMK */
.exp-item-bmk {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  color: var(--text); white-space: nowrap; flex-shrink: 0;
  min-width: 52px;
}

/* Beschreibung */
.exp-item-desc {
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 0.68rem; color: var(--text-dim);
}

/* Jump-Button */
.exp-jump-btn {
  flex-shrink: 0; opacity: 0; background: none; border: none;
  cursor: pointer; color: var(--primary); padding: 2px 4px;
  border-radius: 4px; display: flex; align-items: center;
  transition: opacity 0.15s, background 0.12s;
}
.exp-jump-btn:hover { background: rgba(56,139,253,0.15); }

/* Leer-Zustand */
.exp-empty {
  padding: 24px 14px; text-align: center;
  font-size: 0.75rem; color: var(--text-dim);
}

/* Flash-Animation für Canvas-Node */
@keyframes expNodeFlash {
  0%   { filter: drop-shadow(0 0 0px #3b82f6); }
  30%  { filter: drop-shadow(0 0 12px #3b82f6); }
  60%  { filter: drop-shadow(0 0 6px #3b82f6); }
  100% { filter: drop-shadow(0 0 0px #3b82f6); }
}
.exp-node-flash { animation: expNodeFlash 0.9s ease-out forwards; }

/* ── Properties Panel ───────────────────────────────────────── */
.props-header { padding: 10px 12px 7px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.props-header h3 { font-size: 0.78rem; font-weight: 700; color: var(--text); }
.props-scroll { flex: 1; overflow-y: auto; padding: 10px; }
.prop-section { margin-bottom: 14px; }
.prop-section-title {
  font-size: 0.63rem; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 8px; padding-bottom: 3px; border-bottom: 1px solid var(--border);
}
.prop-row { display: flex; flex-direction: column; margin-bottom: 8px; }
.prop-row label { font-size: 0.68rem; color: var(--text-muted); margin-bottom: 3px; font-weight: 500; }
.prop-row-inline { display: flex; gap: 6px; }
.prop-row-inline .prop-row { flex: 1; }

/* ── Formulare ──────────────────────────────────────────────── */
.input-field {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); padding: 6px 10px;
  font-size: 0.78rem; font-family: var(--font); transition: border 0.15s; outline: none;
}
.input-field:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-glow); }
.input-field::placeholder { color: var(--text-dim); }
select.input-field { cursor: pointer; }

.form-group { margin-bottom: 10px; }
.form-group label { display: block; font-size: 0.73rem; color: var(--text-muted); margin-bottom: 3px; font-weight: 500; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  font-family: var(--font-display);
  border-radius: var(--radius);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-h);
}
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 6px 13px; border-radius: var(--radius); font-size: 0.78rem; font-weight: 500;
  cursor: pointer; border: 1px solid transparent; transition: all 0.15s;
  font-family: var(--font); white-space: nowrap; text-decoration: none;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn svg { width: 13px; height: 13px; flex-shrink: 0; }

.btn-primary  { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover  { background: var(--primary-h); border-color: var(--primary-h); }
.btn-secondary { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border-light); }
.btn-danger   { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover  { background: var(--danger); color: #fff; }
.btn-success  { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover  { filter: brightness(1.1); }
.btn-ghost    { background: transparent; color: var(--text-muted); border: 1px solid transparent; }
.btn-ghost:hover    { background: var(--bg-hover); color: var(--text); }
.btn-sm { padding: 3px 9px; font-size: 0.72rem; }
.btn-icon { padding: 5px; border-radius: var(--radius); width: 28px; height: 28px; }
.btn-icon.active { background: var(--bg-hover); color: var(--primary); }
.btn-full { width: 100%; }

/* ── Toolbar Buttons ────────────────────────────────────────── */
.tb-btn {
  width: 30px; height: 30px; border-radius: var(--radius);
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid transparent;
  color: var(--text-muted); cursor: pointer; transition: all 0.15s; position: relative;
}
.tb-btn:hover  { background: rgba(210,153,34,0.1); color: var(--warning); border-color: rgba(210,153,34,0.45); }
.tb-btn.active { background: rgba(56,139,253,0.12); color: var(--primary); border-color: var(--primary); }
.tb-btn svg { width: 15px; height: 15px; }
/* Tooltip */
.tb-btn[title]:hover::after {
  content: attr(title); position: absolute; bottom: -26px; left: 50%;
  transform: translateX(-50%); white-space: nowrap;
  background: var(--bg-card); color: var(--text); padding: 3px 8px;
  border-radius: 4px; font-size: 0.68rem; pointer-events: none;
  border: 1px solid var(--border); z-index: 999;
}
/* Export-PDF Button: nur bei Hover orange */
#btn-export-pdf { color: var(--text-muted); }
#btn-export-pdf:hover { color: var(--warning); border-color: var(--warning); background: rgba(210,153,34,0.1); }

/* ── Tabellen ───────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.73rem; }
.data-table th {
  background: var(--bg-card); color: var(--text-muted); font-weight: 600;
  padding: 5px 9px; text-align: left; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1; font-size: 0.68rem; letter-spacing: 0.3px;
}
.data-table td { padding: 5px 9px; border-bottom: 1px solid var(--border); color: var(--text); }
.data-table tr:hover td { background: var(--bg-hover); }
.data-table tr.selected td { background: rgba(56,139,253,0.1); }
.data-table .mono { font-family: var(--font-mono); font-size: 0.7rem; }

/* ── Dashboard ──────────────────────────────────────────────── */
#view-dashboard { flex: 1; overflow-y: auto; padding: 28px; background: var(--bg); }
.dash-header { margin-bottom: 28px; }
.dash-header h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 3px; }
.dash-header p  { color: var(--text-muted); font-size: 0.82rem; }

.dash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin-bottom: 28px; }
.dash-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s;
}
.dash-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 24px rgba(0,0,0,0.6);
  border-color: var(--primary);
}
@keyframes dashFadeIn {
  from { opacity:0; transform:translateY(10px); }
  to { opacity:1; transform:translateY(0); }
}
.dash-card {
  animation: dashFadeIn 0.6s ease forwards;
}
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px; transition: border-color 0.2s;
}
.dash-card:hover { border-color: var(--border-light); }
.dash-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.dash-card-title { font-size: 0.9rem; font-weight: 700; color: var(--text); }
.dash-card-meta { font-size: 0.71rem; color: var(--text-muted); margin-top: 3px; }
.dash-card-number { font-size: 0.68rem; color: var(--text-dim); font-family: var(--font-mono); }
.dash-card-actions { display: flex; gap: 6px; margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; }
.dash-card-badge {
  font-size: 0.63rem; padding: 2px 7px; border-radius: 12px;
  background: rgba(56,139,253,0.12); color: var(--primary); font-weight: 600;
}

/* ── Views ──────────────────────────────────────────────────── */
.view { display: none; flex: 1; overflow: hidden; flex-direction: row; }
.view.active { display: flex; }

/* ── Statusbar ──────────────────────────────────────────────── */
#statusbar {
  height: 20px; background: var(--bg-card); border-top: 1px solid var(--border);
  color: var(--text-muted); display: flex; align-items: center; gap: 14px;
  padding: 0 10px; font-size: 0.66rem; flex-shrink: 0;
}
#statusbar .status-item { display: flex; align-items: center; gap: 3px; }
#statusbar .status-sep { opacity: 0.3; }

/* ── Badge ──────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 1px 7px; border-radius: 12px; font-size: 0.63rem; font-weight: 700;
}
.badge-blue   { background: rgba(56,139,253,0.15); color: var(--primary); }
.badge-green  { background: rgba(63,185,80,0.15);  color: var(--success); }
.badge-yellow { background: rgba(210,153,34,0.15); color: var(--warning); }
.badge-red    { background: rgba(248,81,73,0.15);  color: var(--danger); }
.badge-gray   { background: var(--bg-card);         color: var(--text-muted); }

/* ── Notifications (Toast) ──────────────────────────────────── */
#toast-container { position: fixed; bottom: 28px; right: 18px; z-index: 99999; display: flex; flex-direction: column; gap: 7px; }
.toast {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 9px 14px; font-size: 0.78rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5); min-width: 220px; max-width: 340px;
  display: flex; gap: 9px; align-items: center; animation: slideIn 0.2s ease;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--primary); }
@keyframes slideIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ── Page Tabs ──────────────────────────────────────────────── */
#page-tabs {
  display: flex; align-items: center; gap: 2px; padding: 3px 8px;
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  flex-shrink: 0; overflow-x: auto;
}
.page-tab {
  padding: 3px 11px; border-radius: var(--radius) var(--radius) 0 0;
  font-size: 0.72rem; cursor: pointer; border: 1px solid transparent;
  border-bottom: none; color: var(--text-muted); white-space: nowrap; transition: all 0.15s;
}
.page-tab:hover { color: var(--text); background: var(--bg-hover); }
.page-tab.active { color: var(--text); font-weight: 600; background: var(--bg-panel); border-color: var(--border); }

/* ── Zoom-Anzeige ───────────────────────────────────────────── */
#zoom-display { font-size: 0.7rem; color: var(--text-muted); font-family: var(--font-mono); padding: 0 8px; white-space: nowrap; }

/* ── Parts Manager ──────────────────────────────────────────── */
.pm-layout { display: flex; gap: 0; flex: 1; overflow: hidden; }
.pm-form { width: 320px; flex-shrink: 0; padding: 14px; border-right: 1px solid var(--border); overflow-y: auto; }
.pm-list { flex: 1; overflow: auto; }

/* ── Admin ──────────────────────────────────────────────────── */
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px; overflow-y: auto; }
.admin-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.admin-section h3 { padding: 10px 14px; font-size: 0.82rem; border-bottom: 1px solid var(--border); font-weight: 600; }
.admin-section .admin-body { padding: 0; max-height: 280px; overflow-y: auto; }

/* ── Placeholder ────────────────────────────────────────────── */
.placeholder-text { text-align: center; color: var(--text-dim); padding: 28px 14px; font-size: 0.78rem; line-height: 1.6; }
.placeholder-text svg { margin: 0 auto 10px; display: block; opacity: 0.3; width: 32px; height: 32px; }

/* ── Divider ────────────────────────────────────────────────── */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 10px 0; }

/* ── Symbol-Editor ──────────────────────────────────────────── */
#sym-canvas-container { flex: 1; background: #0d1117; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.sym-tools { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 7px; }

/* ── Utility ────────────────────────────────────────────────── */
.flex        { display: flex; }
.flex-col    { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2       { gap: 8px; }
.gap-3       { gap: 12px; }
.p-3         { padding: 12px; }
.p-4         { padding: 16px; }
.mt-2        { margin-top: 8px; }
.mt-3        { margin-top: 12px; }
.w-full      { width: 100%; }
.text-muted  { color: var(--text-muted); }
.text-sm     { font-size: 0.76rem; }
.text-xs     { font-size: 0.68rem; }
.font-bold   { font-weight: 700; }
.truncate    { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden      { display: none !important; }
.mono        { font-family: var(--font-mono); }

/* ══════════════════════════════════════════════════════════════
   DRUCK-MODUS – Browser-Druck der App (Schwarzweiß, kein Tintenverschwendung)
   ══════════════════════════════════════════════════════════════ */
@media print {
  /* UI-Elemente ausblenden */
  #topbar, #toolbar, #sidebar-left, #sidebar-right,
  #bottom-console, #statusbar, #page-tabs,
  .resizer, #toast-container { display: none !important; }

  body, html, #app-root { background: white !important; overflow: visible !important; }
  #canvas-area, #canvas-container, .view, .view.active {
    overflow: visible !important;
    flex: none !important;
    height: auto !important;
  }

  /* ── Kernfix: SVG invertieren + Graustufen ──────────────────
     invert(1):   dunkler Hintergrund → weiss, helle Striche → schwarz
     grayscale(1): entfernt alle Restfarben → reines S/W            */
  #canvas-container svg {
    filter: invert(1) grayscale(1) !important;
    background: black !important;   /* wird durch invert() zu weiss */
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
  }

  @page {
    size: A4 landscape;
    margin: 5mm;
  }
}

@keyframes cad-pulse {
  0%   { opacity: 1; stroke-width: 2; }
  50%  { opacity: 0.3; stroke-width: 4; }
  100% { opacity: 1; stroke-width: 2; }
}

/* ══════════════════════════════════════════════════════════════
   IEC 81346 PROJEKT-BAUM
   ══════════════════════════════════════════════════════════════ */
.exp-iec-section { margin-bottom: 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.exp-iec-node { display: flex; align-items: center; gap: 6px; padding: 3px 8px; cursor: pointer; border-radius: 4px; font-size: 11.5px; transition: background 0.12s; }
.exp-iec-node:hover { background: var(--bg-hover, rgba(255,255,255,0.04)); }
.exp-iec-node.function { color: var(--primary); font-weight: 700; }
.exp-iec-node.location { color: var(--text-muted); padding-left: 20px; }
.exp-iec-node.product  { color: var(--text); padding-left: 36px; font-size: 11px; }
.exp-iec-tag   { font-family: var(--font-mono, monospace); font-size: 10px; color: var(--primary); background: rgba(45,125,210,0.1); border-radius: 3px; padding: 1px 5px; margin-right: 4px; flex-shrink: 0; }
.exp-iec-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.exp-iec-badge { font-size: 9px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 0 5px; color: var(--text-muted); flex-shrink: 0; }
.cad-diag-hint { animation: cad-pulse 1.2s ease-in-out infinite; }