/* Reset and Variables */
:root {
  --bg-color: transparent;
  --border-color: rgba(228, 228, 231, 0.8);
  --text-primary: #18181b;
  --text-secondary: #71717a;
  --text-danger: #ef4444;
  --bg-danger-hover: #fef2f2;
  --bg-item-hover: #f4f4f5;
  --accent-color: #2563eb;
  --font-family-sans:
    Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-family-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: transparent;
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  user-select: none;
}

/* Canvas & Grid */
.canvas-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.demo-info {
  position: absolute;
  top: 32px;
  left: 32px;
  z-index: 10;
  max-width: 500px;
}

.demo-info h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.demo-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Workspace Elements */
.workspace {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
}

.instruction-text {
  width: 100%;
  font-size: clamp(2rem, 8vw, 4.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  opacity: 1;
  line-height: 1;
  letter-spacing: 0;
  text-align: center;
  user-select: none;
  pointer-events: none;
  animation: pulse-glow 2.5s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  0% {
    opacity: 1;
    transform: scale(0.98);
  }
  100% {
    opacity: 1;
    transform: scale(1.02);
  }
}

/* Context Menu Container */
.context-menu {
  position: fixed;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow:
    0 10px 30px -10px rgba(0, 0, 0, 0.12),
    0 1px 3px rgba(0, 0, 0, 0.02);
  width: 200px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform-origin: top left;
}

.context-menu.active {
  opacity: 1;
  pointer-events: auto;
}

.context-menu.active .menu-btn,
.context-menu.active .menu-divider {
  opacity: 1;
}

.menu-items-group {
  padding: 6px;
  display: flex;
  flex-direction: column;
  perspective: 1000px;
}

/* Menu Button */
.menu-btn {
  position: relative;
  width: 100%;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 8px;
  color: #3f3f46;
  font-family: var(--font-family-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  opacity: 0;
}

.menu-btn-content {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.25s cubic-bezier(0.2, 1, 0.2, 1);
}

.menu-icon {
  width: 24px;
  height: 24px;
  margin-left: -5px;
  margin-right: -5px;
  transform: scale(0.5833); /* Render as 14px */
  transition: transform 0.25s cubic-bezier(0.2, 1, 0.2, 1);
}

.shortcut {
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition:
    transform 0.25s cubic-bezier(0.2, 1, 0.2, 1),
    opacity 0.2s ease;
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

/* Divider inside menu */
.menu-divider {
  height: 1px;
  background-color: rgba(228, 228, 231, 0.6);
  margin: 4px 6px;
  opacity: 0;
}

/* Hover Shims */
.hover-shim {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background-color: var(--bg-item-hover);
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
  z-index: -1;
}

.menu-btn:hover .hover-shim {
  opacity: 1;
  transform: scale(1);
}

.menu-btn.danger {
  color: var(--text-danger);
}

.menu-btn.danger .hover-shim {
  background-color: var(--bg-danger-hover);
}

/* Micro-animations on menu item hover */
.menu-btn:hover .menu-btn-content {
  transform: translateX(4px);
}

.menu-btn:hover .shortcut {
  transform: translateX(-4px);
  opacity: 0.6;
}

/* Specific Icon animations */
.menu-btn:hover .undo-icon {
  transform: rotate(-45deg) scale(0.67);
}

.menu-btn:hover .redo-icon {
  transform: rotate(45deg) scale(0.67);
}

.menu-btn:hover .paste-icon {
  transform: translateY(2px) scale(0.64);
}

.menu-btn:hover .copy-icon {
  transform: translate(1px, -1px) scale(0.67);
}

.menu-btn:hover .cut-icon {
  transform: rotate(-25deg) scale(0.67);
}

.menu-btn:hover .duplicate-icon {
  transform: translate(2px, -2px) scale(0.67);
}

.menu-btn:hover .layer-up-icon {
  transform: translateY(-2px) scale(0.67);
}

.menu-btn:hover .layer-down-icon {
  transform: translateY(2px) scale(0.67);
}

.menu-btn:hover .group-icon {
  transform: scale(0.67);
}

.menu-btn:hover .lock-icon {
  transform: rotate(-12deg) scale(0.67);
}

.menu-btn:hover .delete-icon {
  animation: trash-shake 0.4s ease-in-out infinite alternate;
}

@keyframes trash-shake {
  0% {
    transform: rotate(-8deg);
  }
  100% {
    transform: rotate(8deg);
  }
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: white;
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.2, 1, 0.2, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f4f4f5;
}

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

.title-sparkle {
  width: 18px;
  height: 18px;
  color: #3b82f6;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

.close-btn {
  border: none;
  background: transparent;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #a1a1aa;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
}

.close-btn:hover {
  background: #f4f4f5;
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  background: #fafafa;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: #4b5563;
}

.optional-badge {
  color: #9ca3af;
  font-weight: 400;
  font-size: 0.75rem;
  margin-left: 2px;
}

textarea,
input {
  font-family: var(--font-family-sans);
  width: 100%;
  border: 1px solid #e4e4e7;
  border-radius: 12px;
  padding: 10px 14px;
  outline: none;
  font-size: 0.9rem;
  background: white;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

textarea {
  min-height: 100px;
  resize: none;
  line-height: 1.4;
}

input[type="password"] {
  font-family: var(--font-family-mono);
}

textarea::placeholder,
input::placeholder {
  font-family: var(--font-family-sans);
  color: #a1a1aa;
}

textarea:focus,
input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.modal-footer {
  padding: 16px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid #f4f4f5;
}

.btn {
  font-family: var(--font-family-sans);
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.2s,
    box-shadow 0.2s;
}

.btn-secondary {
  background: transparent;
  color: #4b5563;
}

.btn-secondary:hover {
  background: #f4f4f5;
  color: var(--text-primary);
}

.btn-primary {
  background: #2563eb;
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: #1d4ed8;
}

/* Toast Notifications */
.notification {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: #18181b;
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.25s,
    transform 0.25s;
  pointer-events: none;
  z-index: 3000;
}

.notification.active {
  opacity: 1;
  transform: translateY(0);
}