/* ============================================
   Workspace Sub Pages Styles
   ============================================ */

/* ── Upper Switcher Tabs (상단 탭 바) ── */
.ws-sub-header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-glass-border);
  padding-bottom: var(--space-4);
}

.ws-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.ws-back-link:hover {
  color: var(--color-accent);
}

.ws-tab-navigation {
  display: flex;
  background: var(--color-glass);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-glass-border);
}

.ws-tab-nav-item {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ws-tab-nav-item:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.ws-tab-nav-item.active {
  color: var(--color-text-inverse);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-sm);
}

/* ── Split Layouts ── */
.ws-split-layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

/* Navigator 2-Column: Left tree (340px) | Right detail (1fr) */
.ws-layout-nav {
  grid-template-columns: 340px 1fr;
}

/* Audit Engine 2-Column: Left controls/upload (40% ) | Right results/notes (60%) */
.ws-layout-audit {
  grid-template-columns: 4fr 6fr;
}

/* NC Writer 2-Column: Left inputs/form (5fr) | Right output/recent (5fr) */
.ws-layout-nc {
  grid-template-columns: 1fr 1fr;
}

/* ── Panels & UI elements ── */
.ws-sub-panel {
  background: var(--gradient-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-height: 500px;
}

.ws-sub-panel-header {
  border-bottom: 1px solid var(--color-glass-border);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-1);
}

.ws-sub-panel-title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Tree Navigation style refinement */
.ws-tree-container {
  overflow-y: auto;
  max-height: 600px;
  padding-right: var(--space-2);
}

/* Detailed Information display style */
.ws-detail-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .ws-detail-card {
  background: rgba(0, 0, 0, 0.2);
}

.ws-detail-title {
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ws-detail-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* High Contrast Input controls for best readability */
.ws-form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  width: 100%;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .ws-form-control {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.15);
}

.ws-form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.15);
}

/* ── Responsive adjustments ── */
@media (max-width: 1199px) {
  .ws-layout-nav,
  .ws-layout-audit,
  .ws-layout-nc {
    grid-template-columns: 1fr;
  }
  
  .ws-sub-panel {
    min-height: auto;
  }
}

@media (max-width: 767px) {
  .ws-sub-header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .ws-tab-navigation {
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* ── Sidebar Sub-navigation refinement ── */
.nav-item-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-sub-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: var(--space-8);
  margin-top: 2px;
  margin-bottom: var(--space-2);
}

.nav-sub-item {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-sub-item:hover {
  color: var(--color-text);
  background: var(--color-glass);
}

.nav-sub-item.active {
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
  background: rgba(124, 58, 237, 0.08);
}