/* beitdin - Interactive Tutorial Styles */

:root {
  --z-app: 1;
  --z-tutorial-backdrop: 40;
  --z-tutorial-target: 41;
  --z-tutorial-hud: 42;
}

/* Semi-transparent backdrop to guide focus without blocking clicks */
.tutorial-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
  z-index: var(--z-tutorial-backdrop);
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.tutorial-backdrop.active {
  opacity: 1;
}

/* Highlight for target UI element */
.tutorial-highlight {
  position: relative !important;
  z-index: var(--z-tutorial-target) !important;
  outline: 2px dashed var(--cyan, #00e5ff) !important;
  outline-offset: 3px !important;
  animation: tutorial-pulse 1.2s steps(2, end) infinite;
  opacity: 1 !important;
}

#btnDownload.tutorial-highlight,
.tutorial-highlight#btnDownload {
  color: #ffffff !important;
  opacity: 1 !important;
}

@keyframes tutorial-pulse {
  0%, 100% { outline-color: var(--cyan, #00e5ff); }
  50% { outline-color: transparent; }
}

@media (prefers-reduced-motion: reduce) {
  .tutorial-highlight {
    animation: none;
    outline-style: solid !important;
  }
}

/* Floating Terminal Brutalist HUD */
#tutorialHud {
  position: fixed;
  bottom: calc(var(--bar-h) + 16px);
  right: 20px;
  width: 440px;
  max-width: calc(100vw - 40px);
  background: #0d0d0d;
  border: 1px solid var(--cyan);
  color: var(--ink);
  z-index: var(--z-tutorial-hud);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.85), 0 0 16px rgba(0, 229, 255, 0.2);
  font-family: var(--mono);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: text;
}

/* HUD Top Header Bar */
.tutorial-hud-header {
  background: var(--cyan);
  color: #000;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tutorial-hud-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.tutorial-hud-counter {
  font-weight: 700;
  font-size: 12px;
}

.tutorial-hud-close {
  background: none;
  border: 0;
  color: #000;
  cursor: pointer;
  padding: 0 4px;
  font-weight: 700;
}

.tutorial-hud-close::before { content: "["; }
.tutorial-hud-close::after { content: "]"; }
.tutorial-hud-close:hover {
  background: #000;
  color: var(--cyan);
}

/* HUD Body Area */
.tutorial-hud-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  line-height: 1.6;
  max-height: 55vh;
  overflow-y: auto;
  scrollbar-width: thin;
}

.tutorial-hud-body::-webkit-scrollbar {
  width: 6px;
}

.tutorial-hud-body::-webkit-scrollbar-thumb {
  background: var(--frame);
}

.tutorial-step-name {
  color: var(--cyan);
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.tutorial-step-desc {
  margin: 0;
  color: var(--ink);
  text-transform: none;
  white-space: pre-line;
}

.tutorial-step-tip {
  margin: 0;
  padding: 6px 8px;
  border-left: 2px solid var(--cyan-dim);
  background: rgba(0, 229, 255, 0.06);
  color: var(--ink);
  font-size: 12px;
  text-transform: none;
}

/* Interactive helper actions container */
.tutorial-hud-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tutorial-action-btn {
  background: transparent;
  border: 0;
  color: var(--cyan);
  cursor: pointer;
  padding: 2px 4px;
  font-family: inherit;
  font-size: 13px;
  text-transform: lowercase;
  vertical-align: baseline;
}

.tutorial-action-btn::before { content: "["; }
.tutorial-action-btn::after { content: "]"; }
.tutorial-action-btn:hover:not(:disabled) {
  background: var(--cyan);
  color: #000;
}
.tutorial-action-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

/* HUD Footer & Navigation Controls */
.tutorial-hud-footer {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--frame);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #080808;
}

.tutorial-hud-nav {
  display: flex;
  gap: 8px;
}

.tutorial-hud-btn {
  background: none;
  border: 0;
  color: var(--cyan);
  cursor: pointer;
  padding: 2px 4px;
  font-family: inherit;
  font-size: 13px;
  text-transform: lowercase;
}

.tutorial-hud-btn::before { content: "["; }
.tutorial-hud-btn::after { content: "]"; }
.tutorial-hud-btn:hover:not(:disabled) {
  background: var(--cyan);
  color: #000;
}
.tutorial-hud-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.tutorial-hud-btn.primary {
  color: var(--cyan);
}
.tutorial-hud-btn.primary:hover:not(:disabled) {
  background: var(--cyan);
  color: #000;
}

.tutorial-hud-keys {
  font-size: 11px;
  color: var(--frame-hi);
  user-select: none;
}

/* Simulation indicators */
.tutorial-sim-badge {
  color: var(--cyan-dim);
  font-size: 11px;
  border: 1px solid var(--cyan-dim);
  padding: 1px 4px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Top Nav Tutorial Button */
.titlebar #btnTutorial:hover:not(:disabled) {
  background: #000;
  color: var(--cyan);
}

.titlebar #btnTutorial.active {
  background: var(--cyan);
  color: #000;
}

.titlebar #btnTutorial.active:hover {
  background: #000;
  color: var(--cyan);
}