/* ===========================================
   PANEL ALIGNMENT & CONSISTENCY
   Clean 3-Column Layout
   
   Structure:
   - Header: Fixed at top (60px)
   - Gallery: Fixed left sidebar (180px)
   - Cart: Fixed right sidebar (320px)  
   - Main Content: Center area with SVG viewer + part list
=========================================== */

:root {
  --topbar-height: 64px;
  --header-height: 60px;
  --total-header-height: calc(var(--topbar-height) + var(--header-height));
  --gallery-width: 220px;  /* Sol panel genişliği */
  --cart-width: 340px;     /* Sağ panel genişliği */
  --gap: 1rem;
}

/* ===== TOPBAR (Top Navigation) ===== */
.sidebar.topbar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: var(--topbar-height) !important;
  z-index: 1001 !important;
}

/* ===== HEADER ===== */
.app-header {
  position: fixed !important;
  top: var(--topbar-height) !important;
  left: 0 !important;
  right: 0 !important;
  height: var(--header-height) !important;
  z-index: 1000 !important;
}

/* ===== LEFT GALLERY ===== */
.svg-gallery {
  position: fixed !important;
  left: var(--gap) !important;
  top: calc(var(--total-header-height) + var(--gap)) !important;
  bottom: var(--gap) !important;
  width: calc(var(--gallery-width) - var(--gap) * 2) !important;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  flex-direction: column !important;
  z-index: 100;
  overflow: hidden;
}

/* ===== RIGHT SIDEBAR ===== */
.right-sidebar {
  position: fixed !important;
  right: var(--gap) !important;
  top: calc(var(--total-header-height) + var(--gap)) !important;
  bottom: var(--gap) !important;
  width: calc(var(--cart-width) - var(--gap) * 2) !important;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.cart-panel {
  flex: 0 0 calc(50% - (var(--gap) / 2)); /* Exactly 50% */
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  flex-direction: column !important;
  z-index: 100;
  overflow: hidden;
}

/* cart-panel-header padding and layout: see scodix-theme.css */
.cart-panel-header {
  /* preserve flex-shrink; padding/flex handled by scodix-theme */
  flex-shrink: 0;
}

.cart-panel-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden; /* prevent horizontal scroll from leaking out */
  padding: var(--gap);
  /* prevent children from stretching wider than the panel */
  min-width: 0;
}

/* ===== MAIN CONTENT AREA ===== */
#part-viewer-page {
  position: fixed;
  left: 20px;
  right: var(--cart-width);
  top: var(--total-header-height);
  bottom: 0;
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  overflow: hidden;
  background: #F8FAFC;
}

/* ===== SVG VIEWER CONTAINER ===== */
.svg-viewer-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  min-height: 0;
}

/* SVG Wrapper (top part) */
#svg-wrapper {
  flex: 1;
  position: relative;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  min-height: 0;
}

#svg-wrapper.grabbing {
  cursor: grabbing;
}

#svg-stage {
  width: 100%;
  height: 100%;
}

/* Part List Panel (bottom part of right sidebar) */
.part-list-panel {
  flex: 0 0 calc(50% - (var(--gap) / 2)); /* Exactly 50% */
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.part-list-header {
  padding: var(--gap);
  border-bottom: 1px solid #E2E8F0;
  background: #F8FAFC;
  flex-shrink: 0;
}

.part-list-content {
  flex: 1 1 auto;
  overflow: auto;
  padding: 0;
  min-height: 0;
  max-height: 285px;
}

/* Part List Table Styling */
.part-list-content table {
  margin: 0;
}

.part-list-content thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #F8FAFC;
}

.part-list-content thead th {
  padding: 0.75rem 1rem;
  border-bottom: 2px solid #E2E8F0;
  font-weight: 600;
  font-size: 0.8125rem;
  color: #475569;
  background: #F8FAFC;
}

.part-list-content tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #F1F5F9;
}

.part-list-content tbody tr:last-child td {
  border-bottom: none;
}

/* ===== GALLERY STYLING ===== */
.svg-gallery-header {
  padding: var(--gap);
  border-bottom: 1px solid #E2E8F0;
  background: #F8FAFC;
  flex-shrink: 0;
}

.svg-gallery-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1E293B;
  margin: 0;
  text-align: center;
}

.svg-gallery-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.svg-gallery-track {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: var(--gap);
}

/* ===== PAGE WRAPPERS ===== */
/* All pages except part-viewer need top padding for topbar */
.page-wrapper {
  padding-top: calc(var(--topbar-height) + var(--gap)) !important;
}

/* Part viewer page has its own fixed positioning */
#part-viewer-page.page-wrapper {
  padding-top: 0 !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1400px) {
  :root {
    --cart-width: 280px;
  }
}

@media (max-width: 1200px) {
  :root {
    --cart-width: 260px;
    --gallery-width: 140px;
  }
}

@media (max-width: 768px) {
  .svg-gallery {
    display: none;
  }
  
  #part-viewer-page {
    left: 0;
    right: 0;
  }
  
  .cart-panel {
    width: 100%;
    position: relative;
    max-height: 40vh;
  }
}