/* Main content area */
#main {
  --main-topbar-height: 44px;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

#main-topbar {
  min-height: var(--main-topbar-height);
  padding: 4px 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 20;
  background: var(--main-topbar-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: var(--backdrop-blur-sm);
  -webkit-backdrop-filter: var(--backdrop-blur-sm);
}

.main-topbar-side {
  display: flex;
  align-items: center;
  min-width: 0;
}

.main-topbar-side-right {
  justify-content: flex-end;
}

.main-topbar-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.main-topbar-center {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.topbar-action-btn {
  min-height: 32px;
  padding: 0 12px;
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-top: 1px solid var(--glass-border-light);
  border-left: 1px solid var(--glass-border-light);
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--backdrop-blur-sm);
  -webkit-backdrop-filter: var(--backdrop-blur-sm);
  transition: border-color 0.15s, background 0.15s, transform 0.15s, color 0.15s;
}

.topbar-action-btn:hover {
  background: var(--modal-input-bg);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.topbar-action-btn span {
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

.topbar-action-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.topbar-action-btn.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

#btn-split.active {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(96, 165, 250, 0.45);
  color: var(--sidebar-accent);
}

.command-palette-pill {
  width: min(560px, 100%);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: 1px solid var(--glass-border-light);
  border-left: 1px solid var(--glass-border-light);
  border-radius: 12px;
  color: var(--text);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--backdrop-blur-sm);
  -webkit-backdrop-filter: var(--backdrop-blur-sm);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}

.command-palette-pill:hover,
.command-palette-pill:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: var(--modal-input-bg);
  transform: translateY(-1px);
}

.command-palette-pill-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.command-palette-pill-icon {
  flex: 0 0 auto;
  color: var(--text-secondary);
}

.command-palette-pill-label {
  min-width: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: flex 0.25s cubic-bezier(0.4, 0, 0.2, 1), height 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: flex, height;
  background: transparent;
}

#btn-toggle-sidebar:hover {
  color: var(--accent);
}

#btn-toggle-sidebar {
  width: 28px;
  height: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: 1px solid var(--glass-border-light);
  border-left: 1px solid var(--glass-border-light);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--backdrop-blur-sm);
  -webkit-backdrop-filter: var(--backdrop-blur-sm);
}

.floating-actions {
  position: absolute;
  top: 8px;
  left: 10px;
  z-index: 100;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--backdrop-blur-sm);
  -webkit-backdrop-filter: var(--backdrop-blur-sm);
  border-top: 1px solid var(--glass-border-light);
  border-left: 1px solid var(--glass-border-light);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.command-palette-trigger-hint {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.1;
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

/* Offset for left pane to avoid toggle sidebar button */
#pane-left .floating-actions {
  left: 10px;
}


.icon-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
}

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

.floating-actions .icon-btn.delete:hover {
  color: #ff6b6b;
}


#main-content.split-view {
  flex-direction: row;
}

/* Hide main-content when in editing mode */
#main.editing-mode #main-content {
  flex: 0;
  height: 0;
  overflow: hidden;
  min-height: 0;
  pointer-events: none;
  visibility: hidden;
}

#welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 40px 20px;
  gap: 0;
}

#main-content.split-view #welcome {
  display: none;
}

/* Hide main content when editor is visible */
#editor-container.visible ~ #swagger-container,
#editor-container.visible ~ #welcome {
  display: none !important;
}

.welcome-hero {
  text-align: center;
  margin-bottom: 48px;
}
.welcome-hero .hero-icon {
  color: var(--accent);
  line-height: 0;
  margin-bottom: 16px;
}
.welcome-hero .hero-icon svg {
  width: 56px;
  height: 56px;
}
.welcome-hero h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.welcome-hero p {
  font-size: 15px;
  color: var(--text-secondary);
}

.welcome-cards {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.welcome-card {
  background: var(--card-bg);
  backdrop-filter: var(--backdrop-blur-md);
  -webkit-backdrop-filter: var(--backdrop-blur-md);
  border-radius: 16px;
  padding: 24px 20px;
  width: 180px;
  text-align: center;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--border);
  border-top: 1px solid var(--glass-border-light);
  border-left: 1px solid var(--glass-border-light);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s, box-shadow 0.2s;
}
.welcome-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.welcome-card .card-icon {
  color: var(--accent);
  line-height: 0;
  margin-bottom: 10px;
}
.welcome-card .card-icon svg {
  width: 28px;
  height: 28px;
}
.welcome-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.welcome-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.welcome-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.welcome-cta .cta-label {
  font-size: 13px;
  color: var(--cta-label);
  display: flex;
  align-items: center;
  gap: 8px;
}
.welcome-cta .cta-label::before,
.welcome-cta .cta-label::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--cta-divider);
}
.welcome-cta button {
  padding: 12px 28px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.welcome-cta button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.4);
}
#swagger-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  background: var(--bg);
  position: relative;
  min-height: 0;
}

/* Clear single view constraints */
#swagger-container #swagger-ui-main {
  display: none;
}

.pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  position: relative;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: var(--pane-header-bg);
  backdrop-filter: var(--backdrop-blur-md);
  -webkit-backdrop-filter: var(--backdrop-blur-md);
  border-bottom: 1px solid var(--border);
  z-index: 5;
}

/* Removed fixed padding-left, handled by floating-actions logic */

.pane-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--pane-title);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: auto;
  margin-right: 12px;
}

.pane-close {
  background: none;
  border: none;
  color: var(--pane-close);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.15s;
}

.pane-close:hover {
  color: #ff6b6b;
}

.swagger-ui-mount {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.resizer {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.2s;
  z-index: 10;
}

.resizer:hover, .resizer.dragging {
  background: var(--accent);
}

/* View Mode Logic */
#main-content:not(.split-view) #pane-right,
#main-content:not(.split-view) #resizer {
  display: none !important;
}

#main-content:not(.split-view) .pane-header {
  display: none;
}

#main-content.split-view .pane-header {
  display: flex;
}

#main-content.split-view .pane.focused-pane .pane-header {
  box-shadow: inset 0 2px 0 var(--accent);
  background: var(--sidebar-item-active);
}

.pane.focused-pane {
  box-shadow: 0 0 0 2px var(--accent);
  z-index: 15;
}

@media (max-width: 768px) {
  #main {
    --main-topbar-height: 40px;
  }

  #main-topbar {
    padding: 4px 8px;
    gap: 6px;
  }

  .command-palette-pill {
    width: min(100%, 420px);
    gap: 6px;
    padding: 5px 8px;
  }

  .command-palette-pill-label {
    font-size: 12px;
  }

  .command-palette-trigger-hint {
    padding: 0;
    border: none;
    background: transparent;
    font-size: 10px;
  }

  #main-content.split-view,
  #main-content.split-view #swagger-container {
    flex-direction: column !important;
  }
  
  #main-content.split-view #resizer {
    display: none;
  }
  
  #main-content.split-view .pane {
    flex: 1 !important;
    height: 50%;
  }
  
  /* On mobile the sidebar is an off-canvas overlay drawer, not part of the flow. */
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: min(84vw, 320px) !important;
    min-width: 0 !important;
    z-index: 50;
    transform: translateX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  body.sidebar-collapsed #sidebar {
    transform: translateX(-100%);
  }

  body:not(.sidebar-collapsed) #sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(0, 0, 0, 0.55);
  }

  #pane-left .floating-actions {
    left: 10px; /* Reset offset on mobile where sidebar is likely hidden or full screen */
  }
  #pane-left .pane-header {
    padding-left: 16px;
  }
}

@media (max-width: 560px) {
  #main-topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 8px;
  }

  .command-palette-pill {
    padding: 8px 10px;
    gap: 8px;
  }

  .command-palette-pill-label {
    font-size: 11px;
  }
}

#swagger-container .swagger-ui .topbar {
  display: none;
}

#swagger-container .swagger-ui > div:first-child {
  margin-top: 0;
}