/* ==========================================================================
   includes/style/style.css - CAD Pro V2 Program-Class Theme
   Optimiert für Desktop-Anwendungen & Standalone PWAs auf Smartphone/Tablet
   ========================================================================== */

:root {
  /* DarkCAD Farbpalette (Professional Slate/Navy) */
  --bg-main: #020617;
  --bg-surface: #0f172a;
  --bg-sidebar: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #1e293b;
  --bg-active: #0284c7;
  
  /* Konturen & Highlights */
  --border-color: #334155;
  --border-light: #1e293b;
  --grid-color: #1e293b;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  
  /* Typografie */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* CAD Akzentfarben */
  --accent-color: #0284c7;
  --accent-light: rgba(2, 132, 199, 0.15);
  --accent-hover: #0369a1;
  --accent-glow: rgba(56, 189, 248, 0.35);
  
  /* Dimensionen */
  --titlebar-height: 38px;
  --statusbar-height: 24px;
  --sidebar-width: 280px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body.pwa-app {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, monospace;
  user-select: none;
  -webkit-user-select: none;
}

/* ========================================== */
/* APP ROOT SCAFFOLDING                       */
/* ========================================== */
.app-workspace-root {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  position: relative;
}

/* ========================================== */
/* 1. TITLEBAR (PROGRAMM-HEADER)               */
/* ========================================== */
.app-titlebar {
  height: var(--titlebar-height);
  background-color: #090d16;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 1000;
  font-size: 12px;
}

.titlebar-left, .titlebar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-logo {
  font-weight: 700;
  color: #38bdf8;
  margin-right: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.app-menu-nav {
  display: flex;
  gap: 4px;
}

.menu-nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.menu-nav-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-main);
}

.titlebar-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-title {
  font-weight: 600;
  color: #e2e8f0;
  font-size: 12px;
}

.doc-status-badge {
  background-color: var(--accent-color);
  color: #ffffff;
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.titlebar-divider {
  width: 1px;
  height: 16px;
  background-color: var(--border-color);
  margin: 0 4px;
}

.btn-action-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 26px;
  height: 26px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.15s ease;
}

.btn-action-icon:hover {
  background-color: var(--accent-color);
  border-color: #38bdf8;
}

/* ========================================== */
/* 2. MAIN VIEWPORT & CANVAS                  */
/* ========================================== */
.app-main-viewport {
  flex: 1;
  position: relative;
  display: flex;
  width: 100%;
  height: calc(100vh - var(--titlebar-height) - var(--statusbar-height));
  overflow: hidden;
}

.canvas-viewport {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  background-color: #020617;
  touch-action: none;
  z-index: 1;
}

#editor-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* CAD Lineale am Rand */
#ruler-x {
  position: absolute;
  top: 0;
  left: 20px;
  width: calc(100% - 20px);
  height: 20px;
  z-index: 10;
  pointer-events: none;
}

#ruler-y {
  position: absolute;
  top: 20px;
  left: 0;
  width: 20px;
  height: calc(100% - 20px);
  z-index: 10;
  pointer-events: none;
}

/* ========================================== */
/* 3. CAD TOOLBAR DOCK (VERTUKAL FLOATING)    */
/* ========================================== */
.cad-toolbar-dock {
  position: absolute;
  top: 28px;
  left: 28px;
  z-index: 50;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--box-shadow);
}

.cad-tool-btn {
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  position: relative;
  transition: all 0.15s ease;
}

.cad-tool-btn:hover {
  background-color: var(--bg-hover);
  color: #38bdf8;
}

.cad-tool-btn.active {
  background-color: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 0 10px var(--accent-glow);
}

.cad-tool-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 2px 4px;
}

/* Tooltip bei Hover (Desktop) */
.cad-tool-tooltip {
  position: absolute;
  left: 48px;
  background: #090d16;
  color: #ffffff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.15s ease;
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
}

.cad-tool-btn:hover .cad-tool-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================== */
/* 4. SIDEBARS (DATEI / EBENEN / INSPEKTOR)   */
/* ========================================== */
.sidebar {
  background-color: var(--bg-sidebar);
  border-color: var(--border-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  z-index: 500;
  transition: transform 0.25s ease-in-out, width 0.25s ease-in-out;
  box-shadow: var(--box-shadow);
}

.sidebar-header {
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-color: #090d16;
}

.sidebar-header h3 {
  font-size: 0.85rem;
  color: #38bdf8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-content {
  padding: 12px;
  overflow-y: auto;
}

.control-group {
  margin-bottom: 12px;
}

.control-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.divider {
  border: none;
  border-bottom: 1px solid var(--border-color);
  margin: 12px 0;
}

/* --- EBENEN LISTE & SLIDER --- */
.layer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.layer-list-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.layer-list-item.active {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
}

.btn-eye {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

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

/* ========================================== */
/* 5. FORMULAR ELEMENTE & BUTTONS             */
/* ========================================== */
.btn {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-block {
  width: 100%;
  background-color: var(--bg-card);
  color: var(--text-main);
}

.btn-block:hover {
  background-color: var(--bg-hover);
  border-color: #475569;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
  border-color: #0369a1;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
}

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

.btn-close-sidebar {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

/* ========================================== */
/* 6. TOUCH LUPEN-BOX (MAGNIFIER)             */
/* ========================================== */
.magnifier-overlay {
  position: absolute;
  top: 28px;
  left: 80px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid #38bdf8;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  z-index: 60;
  pointer-events: none;
  display: none;
  background: #020617;
}

.crosshair-h {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(239, 68, 68, 0.8);
  transform: translateY(-50%);
}

.crosshair-v {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: rgba(239, 68, 68, 0.8);
  transform: translateX(-50%);
}

/* ========================================== */
/* 7. PROGRAMM STATUSBAR (FOOTER)             */
/* ========================================== */
.app-statusbar {
  height: var(--statusbar-height);
  background-color: #090d16;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 11px;
  color: var(--text-dim);
  z-index: 1000;
}

.statusbar-left, .statusbar-right {
  display: flex;
  align-items: center;
}

.status-item {
  display: inline-flex;
  align-items: center;
}

.status-item strong {
  color: #38bdf8;
  font-weight: 600;
  margin-left: 4px;
}

.status-divider {
  color: var(--border-color);
  margin: 0 8px;
}

/* ========================================== */
/* 8. RESPONSIVE BREAKPOINTS                  */
/* ========================================== */

/* --- MOBILE LAYOUT (< 1024px) --- */
@media (max-width: 1023px) {
  .sidebar {
    position: absolute;
    top: 0;
    bottom: 0;
    height: 100%;
  }

  .sidebar-left {
    left: 0;
    width: 80%;
    max-width: 300px;
    border-right: 1px solid var(--border-color);
    transform: translateX(-100%);
  }

  .sidebar-right {
    right: 0;
    width: 280px;
    border-left: 1px solid var(--border-color);
    transform: translateX(0) !important;
  }

  /* EINGEKLAPPTER ZUSTAND RECHTS (54px Mini-Bar auf dem Handy) */
  .sidebar-right.collapsed {
    width: 54px !important;
    min-width: 54px !important;
    max-width: 54px !important;
    overflow-x: hidden !important;
  }

  .sidebar-right.collapsed .menu-text {
    display: none !important;
  }

  .sidebar-right.collapsed .sidebar-header {
    justify-content: center !important;
    padding: 8px 0 !important;
    width: 100% !important;
  }

  .sidebar-right.collapsed .sidebar-content {
    padding: 6px 2px !important;
    overflow-x: hidden !important;
    width: 100% !important;
  }

  .sidebar-right.collapsed .layer-list-item {
    padding: 8px 2px !important;
    align-items: center !important;
    justify-content: center !important;
  }
}

/* Explicit Fix für geöffnete linke Sidebar */
#menu-left[style*="translateX(0px)"] {
  display: flex !important;
  visibility: visible !important;
}

/* --- DESKTOP LAYOUT (>= 1024px) --- */
@media (min-width: 1024px) {
  .mobile-only {
    display: none !important;
  }

  .app-main-viewport {
    display: grid;
    grid-template-columns: 0 1fr var(--sidebar-width);
  }

  .sidebar {
    position: static;
    transform: none !important;
  }

  .sidebar-left {
    border-right: 1px solid var(--border-color);
  }

  .sidebar-right {
    border-left: 1px solid var(--border-color);
  }

  .sidebar-right.collapsed {
    width: var(--sidebar-width) !important;
  }

  .sidebar-right.collapsed .menu-text {
    display: block !important;
  }
}