/* ── Fancy Mode: WebGL Gradient + Glassmorphism ──
   All rules scoped under body.fancy-mode — zero effect when class is absent */

/* --- Canvas background --- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- Layout layering --- */
body.fancy-mode { background: transparent; }
body.fancy-mode .container { position: relative; z-index: 10; }

/* --- Nav glass --- */
body.fancy-mode nav {
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.fancy-mode.light-mode nav {
  background: rgba(255, 255, 255, 0.6);
  color: #1a1a1a;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

body.fancy-mode .burger-menu {
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

body.fancy-mode.light-mode .burger-menu {
  background: rgba(255, 255, 255, 0.85);
  color: #1a1a1a;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
}

/* --- Card glass (dark) --- */
body.fancy-mode .card {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.03),
              inset 0 0 15px rgba(255, 255, 255, 0.02);
}

/* --- Card glass (light) --- */
body.fancy-mode.light-mode .card {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.15),
              inset 0 0 15px rgba(255, 255, 255, 0.1);
}

/* --- Modal glass --- */
body.fancy-mode .modal-overlay {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

body.fancy-mode .modal {
  background: rgba(30, 30, 30, 0.8);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.fancy-mode.light-mode .modal {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* --- Inputs glass --- */
body.fancy-mode input,
body.fancy-mode select,
body.fancy-mode textarea {
  background: rgba(42, 42, 42, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.1);
}

body.fancy-mode.light-mode input,
body.fancy-mode.light-mode select,
body.fancy-mode.light-mode textarea {
  background: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.4);
}

/* --- Step cards --- */
body.fancy-mode .step-sub-card {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.fancy-mode.light-mode .step-sub-card {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* --- Chip dropdowns --- */
body.fancy-mode .chip-dropdown-btn {
  background: rgba(42, 42, 42, 0.65);
}

body.fancy-mode .chip-dropdown-list {
  background: rgba(30, 30, 30, 0.85);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.fancy-mode.light-mode .chip-dropdown-btn {
  background: rgba(240, 240, 240, 0.65);
}

body.fancy-mode.light-mode .chip-dropdown-list {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* --- Key display --- */
body.fancy-mode .key-display {
  background: rgba(42, 42, 42, 0.65);
}

body.fancy-mode.light-mode .key-display {
  background: rgba(240, 240, 240, 0.65);
}

/* --- Markdown body surfaces --- */
body.fancy-mode .markdown-body pre {
  background: rgba(42, 42, 42, 0.65);
}

body.fancy-mode .markdown-body th {
  background: rgba(42, 42, 42, 0.65);
}

body.fancy-mode .markdown-body tr:nth-child(even) {
  background: rgba(42, 42, 42, 0.5);
}

body.fancy-mode.light-mode .markdown-body pre {
  background: rgba(240, 240, 240, 0.65);
}

body.fancy-mode.light-mode .markdown-body th {
  background: rgba(240, 240, 240, 0.65);
}

body.fancy-mode.light-mode .markdown-body tr:nth-child(even) {
  background: rgba(240, 240, 240, 0.5);
}