/* FLUXXEN PLAN – CAD UI */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --fp-bg:           #1a1a1a;
  --fp-panel:        #252526;
  --fp-panel-2:      #2d2d2d;
  --fp-panel-3:      #333333;
  --fp-border:       #3e3e3e;
  --fp-text:         #cccccc;
  --fp-text-muted:   #858585;
  --fp-text-bright:  #ffffff;
  --fp-accent:       #0078d4;
  --fp-accent-hover: #1a8fdf;
  --fp-accent-soft:  rgba(0,120,212,0.15);
  --fp-danger:       #f44747;
  --fp-success:      #4ec9b0;
  --fp-warn:         #dcdcaa;
  --fp-menubar-h:    28px;
  --fp-toolbar-w:    44px;
  --fp-tree-w:       220px;
  --fp-props-w:      260px;
  --fp-status-h:     24px;
}

html, body { height: 100%; background: var(--fp-bg); color: var(--fp-text); font-family: 'Segoe UI', system-ui, sans-serif; font-size: 13px; overflow: hidden; }

/* ── SCREENS ─────────────────────────────────────────────────────────────── */
.fp-screen { display: none; width: 100%; height: 100%; }
.fp-screen.active { display: flex; }

/* ── LOGIN ───────────────────────────────────────────────────────────────── */
#screen-login { align-items: center; justify-content: center; background: var(--fp-bg); }

.fp-login-box {
  background: var(--fp-panel);
  border: 1px solid var(--fp-border);
  border-radius: 4px;
  padding: 40px 48px;
  width: 360px;
}
.fp-login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.fp-login-logo .logo-mark { font-size: 11px; letter-spacing: 3px; color: var(--fp-text-muted); text-transform: uppercase; }
.fp-login-logo .logo-name { font-size: 22px; font-weight: 300; color: var(--fp-text-bright); margin-top: 6px; }
.fp-login-logo .logo-name span { color: var(--fp-accent); font-weight: 600; }
.fp-login-tabs { display: flex; margin-bottom: 24px; border-bottom: 1px solid var(--fp-border); }
.fp-login-tab { flex: 1; padding: 8px; text-align: center; cursor: pointer; color: var(--fp-text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; }
.fp-login-tab.active { color: var(--fp-accent); border-bottom-color: var(--fp-accent); }
.fp-field { margin-bottom: 14px; }
.fp-field label { display: block; margin-bottom: 5px; color: var(--fp-text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.fp-field input {
  width: 100%; padding: 8px 10px;
  background: var(--fp-panel-2); border: 1px solid var(--fp-border);
  color: var(--fp-text); border-radius: 3px; font-size: 13px;
  outline: none; transition: border-color 0.15s;
}
.fp-field input:focus { border-color: var(--fp-accent); }
.fp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border: none; border-radius: 3px; cursor: pointer;
  font-size: 13px; font-family: inherit; transition: background 0.15s; white-space: nowrap;
}
.fp-btn-primary { background: var(--fp-accent); color: #fff; }
.fp-btn-primary:hover { background: var(--fp-accent-hover); }
.fp-btn-secondary { background: var(--fp-panel-3); color: var(--fp-text); border: 1px solid var(--fp-border); }
.fp-btn-secondary:hover { background: var(--fp-panel-2); }
.fp-btn-ghost { background: transparent; color: var(--fp-text); }
.fp-btn-ghost:hover { background: var(--fp-panel-3); }
.fp-btn-danger { background: var(--fp-danger); color: #fff; }
.fp-btn-full { width: 100%; }
.fp-error { color: var(--fp-danger); font-size: 12px; margin-top: 8px; min-height: 16px; }

/* ── HOME / PROJEKTLISTE ─────────────────────────────────────────────────── */
#screen-home { flex-direction: column; background: var(--fp-bg); }

.fp-home-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 48px;
  background: var(--fp-panel); border-bottom: 1px solid var(--fp-border);
}
.fp-home-logo { font-size: 15px; font-weight: 300; color: var(--fp-text-bright); }
.fp-home-logo span { color: var(--fp-accent); font-weight: 600; }
.fp-home-user { display: flex; align-items: center; gap: 12px; color: var(--fp-text-muted); font-size: 12px; }

.fp-home-body { flex: 1; overflow: auto; padding: 40px; }
.fp-home-body h2 { font-size: 18px; font-weight: 300; color: var(--fp-text-bright); margin-bottom: 24px; }

.fp-project-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.fp-project-card {
  background: var(--fp-panel); border: 1px solid var(--fp-border); border-radius: 4px;
  padding: 20px; cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.fp-project-card:hover { border-color: var(--fp-accent); background: var(--fp-panel-2); }
.fp-project-card.new-card {
  border-style: dashed; display: flex; flex-direction: column;
  align-items: center; justify-content: center; min-height: 100px;
  color: var(--fp-text-muted);
}
.fp-project-card.new-card:hover { color: var(--fp-accent); border-color: var(--fp-accent); }
.fp-project-card .card-icon { font-size: 28px; margin-bottom: 12px; }
.fp-project-card .card-name { font-size: 14px; font-weight: 500; color: var(--fp-text-bright); margin-bottom: 4px; }
.fp-project-card .card-meta { font-size: 11px; color: var(--fp-text-muted); }

/* ── EDITOR ──────────────────────────────────────────────────────────────── */
#screen-editor { flex-direction: column; height: 100vh; }

/* Menüleiste */
.fp-menubar {
  display: flex; align-items: center;
  height: var(--fp-menubar-h); background: var(--fp-panel-2);
  border-bottom: 1px solid var(--fp-border); flex-shrink: 0; z-index: 100;
  user-select: none;
}
.fp-menubar-brand {
  padding: 0 14px; font-size: 12px; font-weight: 600;
  color: var(--fp-accent); letter-spacing: 0.5px; white-space: nowrap;
}
.fp-menu-item {
  position: relative; padding: 0 10px; height: 100%;
  display: flex; align-items: center; cursor: pointer;
  color: var(--fp-text); font-size: 12px; white-space: nowrap;
}
.fp-menu-item:hover, .fp-menu-item.open { background: var(--fp-accent-soft); }
.fp-dropdown {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--fp-panel-2); border: 1px solid var(--fp-border);
  border-radius: 3px; min-width: 180px; z-index: 200;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.fp-menu-item.open .fp-dropdown { display: block; }
.fp-dropdown-item {
  padding: 7px 14px; cursor: pointer; display: flex;
  align-items: center; justify-content: space-between; gap: 24px;
}
.fp-dropdown-item:hover { background: var(--fp-accent-soft); color: var(--fp-text-bright); }
.fp-dropdown-sep { border-top: 1px solid var(--fp-border); margin: 4px 0; }
.fp-dropdown-shortcut { color: var(--fp-text-muted); font-size: 11px; }
.fp-menubar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; padding-right: 10px; }
.fp-menubar-project-name { font-size: 12px; color: var(--fp-text-muted); }

/* Editor-Body */
.fp-editor-body { display: flex; flex: 1; overflow: hidden; }

/* Werkzeugleiste links */
.fp-toolbar {
  width: var(--fp-toolbar-w); background: var(--fp-panel-2);
  border-right: 1px solid var(--fp-border); display: flex; flex-direction: column;
  align-items: center; padding: 8px 0; gap: 2px; flex-shrink: 0;
}
.fp-tool {
  width: 36px; height: 36px; border-radius: 4px; border: none;
  background: transparent; color: var(--fp-text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all 0.1s; position: relative;
}
.fp-tool:hover { background: var(--fp-panel-3); color: var(--fp-text); }
.fp-tool.active { background: var(--fp-accent-soft); color: var(--fp-accent); }
.fp-tool-sep { width: 28px; height: 1px; background: var(--fp-border); margin: 4px 0; }
.fp-tool-tip {
  position: absolute; left: calc(100% + 8px); top: 50%; transform: translateY(-50%);
  background: var(--fp-panel-3); border: 1px solid var(--fp-border);
  padding: 4px 8px; border-radius: 3px; white-space: nowrap; font-size: 11px;
  pointer-events: none; opacity: 0; transition: opacity 0.15s; z-index: 50;
}
.fp-tool:hover .fp-tool-tip { opacity: 1; }

/* Linkes Panel (Objektbaum + Räume) */
.fp-panel-left {
  width: var(--fp-tree-w); background: var(--fp-panel);
  border-right: 1px solid var(--fp-border); display: flex; flex-direction: column;
  flex-shrink: 0; overflow: hidden;
}
.fp-panel-section { display: flex; flex-direction: column; flex: 1; overflow: hidden; }
.fp-panel-section + .fp-panel-section { border-top: 1px solid var(--fp-border); }
.fp-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px; background: var(--fp-panel-2);
  font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--fp-text-muted); flex-shrink: 0;
}
.fp-panel-head-btn {
  width: 18px; height: 18px; background: transparent; border: none;
  color: var(--fp-text-muted); cursor: pointer; border-radius: 3px;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.fp-panel-head-btn:hover { background: var(--fp-panel-3); color: var(--fp-text); }
.fp-panel-scroll { flex: 1; overflow-y: auto; }

/* Baum */
.fp-tree { list-style: none; padding: 4px 0; }
.fp-tree-item {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px 4px 12px; cursor: pointer;
  font-size: 12px; white-space: nowrap; overflow: hidden;
}
.fp-tree-item:hover { background: var(--fp-panel-3); }
.fp-tree-item.selected { background: var(--fp-accent-soft); color: var(--fp-accent); }
.fp-tree-item.indent-1 { padding-left: 24px; }
.fp-tree-item.indent-2 { padding-left: 36px; }
.fp-tree-icon { font-size: 13px; flex-shrink: 0; }
.fp-tree-label { overflow: hidden; text-overflow: ellipsis; }
.fp-tree-empty { padding: 12px; color: var(--fp-text-muted); font-size: 11px; text-align: center; }

/* Viewport */
.fp-viewport { flex: 1; position: relative; overflow: hidden; background: #fafafa; }
#fp-canvas { display: block; width: 100%; height: 100%; }
.fp-viewport-toolbar {
  position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 2px;
}
.fp-vp-btn {
  padding: 4px 8px; background: rgba(255,255,255,0.88); border: 1px solid #ccc;
  color: #444; border-radius: 3px; cursor: pointer; font-size: 11px;
  backdrop-filter: blur(4px);
}
.fp-vp-btn:hover { background: #fff; }
.fp-vp-btn.active { border-color: var(--fp-accent); color: var(--fp-accent); }
.fp-viewport-info {
  position: absolute; top: 10px; right: 10px;
  font-size: 11px; color: #666;
  background: rgba(255,255,255,0.75); padding: 4px 8px; border-radius: 3px;
}
.fp-snap-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  background: rgba(0,120,212,0.2); border: 1px solid var(--fp-accent);
  color: var(--fp-accent); padding: 3px 10px; border-radius: 3px; font-size: 11px;
  pointer-events: none; display: none;
}

/* Rechtes Panel (Eigenschaften) */
.fp-panel-right {
  width: var(--fp-props-w); background: var(--fp-panel);
  border-left: 1px solid var(--fp-border); display: flex; flex-direction: column;
  flex-shrink: 0; overflow: hidden;
}
.fp-props-body { flex: 1; overflow-y: auto; padding: 12px; }
.fp-props-empty { color: var(--fp-text-muted); font-size: 12px; text-align: center; padding: 24px 0; }
.fp-prop-group { margin-bottom: 16px; }
.fp-prop-group-title { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--fp-text-muted); margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px solid var(--fp-border); }
.fp-prop-row { display: flex; align-items: center; margin-bottom: 6px; gap: 8px; }
.fp-prop-label { width: 80px; flex-shrink: 0; font-size: 11px; color: var(--fp-text-muted); }
.fp-prop-input {
  flex: 1; padding: 4px 7px; background: var(--fp-panel-2);
  border: 1px solid var(--fp-border); color: var(--fp-text);
  border-radius: 3px; font-size: 12px; font-family: inherit; outline: none;
}
.fp-prop-input:focus { border-color: var(--fp-accent); }
.fp-prop-input[type=number] { text-align: right; }
.fp-prop-unit { font-size: 10px; color: var(--fp-text-muted); width: 22px; }
.fp-prop-select {
  flex: 1; padding: 4px 7px; background: var(--fp-panel-2);
  border: 1px solid var(--fp-border); color: var(--fp-text);
  border-radius: 3px; font-size: 12px; font-family: inherit; outline: none;
}
.fp-props-actions { padding: 10px 12px; border-top: 1px solid var(--fp-border); display: flex; flex-direction: column; gap: 6px; }

/* Statusleiste */
.fp-statusbar {
  height: var(--fp-status-h); background: var(--fp-accent); color: #fff;
  display: flex; align-items: center; padding: 0 12px; gap: 16px;
  font-size: 11px; flex-shrink: 0;
}
.fp-statusbar-item { display: flex; align-items: center; gap: 5px; }
.fp-statusbar-sep { opacity: 0.4; }
.fp-statusbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }

/* Modal */
.fp-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); z-index: 500; align-items: center; justify-content: center;
}
.fp-modal-overlay.open { display: flex; }
.fp-modal {
  background: var(--fp-panel); border: 1px solid var(--fp-border);
  border-radius: 4px; padding: 24px; min-width: 320px; max-width: 480px; width: 100%;
}
.fp-modal h3 { margin-bottom: 16px; font-size: 15px; font-weight: 500; color: var(--fp-text-bright); }
.fp-modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--fp-panel-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fp-border); }