/* ==========================================================================
   itzblaze AI Hub — Maximalist Claymorphism Layout & Controls
   ========================================================================== */

#app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
  z-index: 10;
  overflow: hidden;
}

/* 3D Clay Panel Container */
.glass-panel {
  background: var(--bg-surface);
  border-radius: var(--radius-clay);
  box-shadow: var(--clay-shadow-main), var(--clay-inset-light), var(--clay-inset-dark);
  border: var(--clay-border);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.glass-panel:hover {
  box-shadow: var(--clay-shadow-hover), var(--clay-inset-light), var(--clay-inset-dark);
}

/* Main View Workspace */
.main-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  overflow: hidden;
  padding: 16px;
  gap: 14px;
}

/* 3D Clay App Header */
.app-header {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: relative;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Custom 3D Clay Model Dropdown Selector */
.custom-model-select {
  position: relative;
  user-select: none;
  z-index: 50;
}

.model-select-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, #1b1e36 0%, #111322 100%);
  box-shadow: 4px 8px 16px rgba(0, 0, 0, 0.4), inset 2px 2px 4px rgba(255, 255, 255, 0.12), inset -3px -3px 6px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.model-select-trigger:hover, .custom-model-select.open .model-select-trigger {
  transform: translateY(-2px);
  background: linear-gradient(145deg, #242848 0%, #16192e 100%);
  box-shadow: 6px 12px 24px rgba(0, 0, 0, 0.5), 0 0 25px var(--accent-purple-glow), inset 2px 2px 4px rgba(255, 255, 255, 0.2), inset -3px -3px 6px rgba(0, 0, 0, 0.6);
  border-color: var(--accent-purple);
}

.model-trigger-icon {
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  color: var(--accent-cyan);
}

.model-trigger-text {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

.model-trigger-arrow {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.custom-model-select.open .model-trigger-arrow {
  transform: rotate(180deg);
  color: var(--accent-purple);
}

/* 3D Clay Dropdown Menu Popup */
.model-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 320px;
  max-height: 440px;
  overflow-y: auto;
  background: linear-gradient(145deg, #16182c 0%, #0d0e1a 100%);
  border-radius: var(--radius-lg);
  box-shadow: 12px 24px 48px rgba(0, 0, 0, 0.8), var(--shadow-glow), inset 3px 3px 6px rgba(255, 255, 255, 0.12), inset -4px -4px 8px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--glass-border-glow);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(-10px) scale(0.95);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
}

.custom-model-select.open .model-dropdown-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.dropdown-group-header {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-purple-light);
  padding: 10px 12px 4px;
}

.dropdown-model-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
}

.dropdown-model-item:hover {
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.2) 0%, rgba(6, 182, 212, 0.12) 100%);
  transform: translateY(-2px) translateX(2px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 4px 8px 16px rgba(0, 0, 0, 0.4);
}

.dropdown-model-item.active {
  background: var(--grad-button-clay);
  box-shadow: 4px 8px 20px rgba(139, 92, 246, 0.4), inset 2px 2px 4px rgba(255, 255, 255, 0.3);
  color: #fff;
}

.model-item-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.model-item-name {
  font-size: 0.88rem;
  font-weight: 600;
}

.model-item-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.dropdown-model-item.active .model-item-desc {
  color: rgba(255, 255, 255, 0.85);
}

.model-badge-tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: var(--accent-cyan-light);
  text-transform: uppercase;
}

.dropdown-model-item.active .model-badge-tag {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* 3D Clay Action Buttons */
.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #1b1e36 0%, #111322 100%);
  box-shadow: 4px 8px 16px rgba(0, 0, 0, 0.4), inset 2px 2px 4px rgba(255, 255, 255, 0.12), inset -3px -3px 6px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-size: 0.95rem;
}

.btn-icon:hover {
  transform: translateY(-3px) scale(1.05);
  color: #fff;
  border-color: var(--accent-purple);
  box-shadow: 6px 12px 24px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-purple-glow), inset 2px 2px 4px rgba(255, 255, 255, 0.2);
}

.btn-icon:active {
  transform: translateY(1px) scale(0.97);
  box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.5);
}

/* Mobile Sidebar Toggle Button */
.btn-sidebar-toggle {
  display: none;
}

@media (max-width: 768px) {
  .btn-sidebar-toggle {
    display: flex;
  }

  .main-view {
    padding: 8px;
  }
}