/* stageleft/modules/late-styles.css — Split C1
   Onboarding, modals, accessibility, toasts, loading overlay */

/* ============ Onboarding Modal ============ */
#onboardingModal { touch-action: manipulation; }
#onboardingModal .onboard-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8); z-index: var(--z-onboarding);
}
#onboardingModal .onboard-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; max-width: 400px; width: 90%; z-index: calc(var(--z-onboarding) + 1); text-align: center;
}
#onboardingModal h2 { font-size: 24px; margin-bottom: 8px; }
#onboardingModal > .onboard-modal > p { color: var(--text-secondary); margin-bottom: 24px; }
#onboardingModal .onboard-options { display: flex; flex-direction: column; gap: 12px; }
#onboardingModal .onboard-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 20px; background: var(--elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); cursor: pointer; transition: all var(--transition-base);
  font-family: inherit; color: var(--text-primary); touch-action: manipulation;
}
#onboardingModal .onboard-btn:hover { border-color: var(--accent); background: var(--subtle); }
#onboardingModal .onboard-btn.primary { border-color: var(--accent); background: var(--accent-soft); }
#onboardingModal .onboard-icon { font-size: 28px; }
#onboardingModal .onboard-btn span:nth-child(2) { font-weight: 600; font-size: 15px; }
#onboardingModal .onboard-sub { font-size: 12px; color: var(--text-muted); }
#onboardingModal .onboard-skip { margin-top: 20px; font-size: 13px; }
#onboardingModal .onboard-skip a { color: var(--text-muted); touch-action: manipulation; }

/* ============ Name Modal (replaces prompt() for iOS PWA compatibility) ============ */
.name-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center}
.name-modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;width:90%;max-width:340px}
.name-modal h3{margin:0 0 12px;font-size:16px;color:var(--text-primary)}
.name-modal-input{width:100%;padding:10px 12px;background:var(--void);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;font-family:inherit;box-sizing:border-box}
.name-modal-input:focus{outline:none;border-color:var(--accent)}
.name-modal-actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-end}
.name-modal-btn{padding:8px 16px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.name-modal-btn.cancel{background:var(--elevated);color:var(--text-secondary)}
.name-modal-btn.confirm{background:var(--accent);color:var(--void)}
.plot-browser-modal{max-width:520px}
.plot-browser-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.plot-browser-header h3{margin:0}
.plot-browser-search{margin-bottom:12px}
.plot-browser-list{max-height:360px}
.plot-browser-item{align-items:flex-start}
.plot-browser-main{flex:1;min-width:0}
.plot-browser-item .plot-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plot-browser-item .plot-meta{margin-top:2px}

/* ============ Save Indicator ============ */
.save-indicator {
  font-size: 11px;
  color: var(--go);
  opacity: 0;
  transition: opacity var(--transition-base);
  margin-right: 8px;
}
.save-indicator.show { opacity: 1; }

/* ============ Keyboard Help Modal ============ */
.help-modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7); z-index: var(--z-modal);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.help-modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; max-width: 500px; width: 100%; position: relative;
}
.help-modal-close {
  position: absolute; top: 12px; right: 12px; width: 32px; height: 32px;
  background: var(--elevated); border: none; border-radius: 50%;
  color: var(--text-secondary); font-size: 18px; cursor: pointer;
}
.help-modal h2 { margin: 0 0 20px; font-size: 20px; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media(max-width:500px) { .help-grid { grid-template-columns: 1fr; } }
.help-section h3 { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.help-section dl { margin: 0; }
.help-section dt { float: left; clear: left; font-size: 12px; }
.help-section dd { margin-left: 120px; margin-bottom: 8px; font-size: 13px; color: var(--text-secondary); }
.help-section kbd {
  display: inline-block; padding: 2px 6px; background: var(--void); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 11px; min-width: 20px; text-align: center;
}

/* ============ High Contrast Mode ============ */
@media(prefers-contrast: more) {
  :root {
    --text-primary: #fff;
    --text-secondary: #ddd;
    --text-muted: #bbb;
    --border: #666;
    --border-subtle: #444;
    --accent: #7ec8e3;
    --accent-text: #a0daea;
    --void: #000;
    --surface: #111;
    --elevated: #1a1a1a;
    --subtle: #222;
    --go: #6dd88e;
    --caution: #f0c050;
    --stop: #f06060;
    --info: #80c8e0;
  }
  .stage-el.selected { outline: 2px solid var(--accent); outline-offset: 2px; }
  .io-card.selected { border-color: var(--accent); border-width: 2px; }
  .btn, .btn-icon, .nav-item { border: 1px solid var(--border); }
}

/* ============ Windows High Contrast (forced-colors) ============ */
@media(forced-colors:active){
  :root{--border:ButtonText;--text-primary:ButtonText;--text-secondary:GrayText;--accent:Highlight}
  button,select,input{border:1px solid ButtonText}
}

/* ============ Reduced Motion ============ */
@media(prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .toast { transition: none; }
}

/* ============ Touch Target Sizing ============ */
@media(pointer: coarse) {
  .btn-icon, .btn-icon-sm, .nav-item, .onboard-btn, .plot-library-item {
    min-height: 44px;
    min-width: 44px;
  }
  .io-card { min-height: var(--ls-min-h); padding: var(--ls-pad); }
  .ch-badge { min-width: var(--ls-badge); min-height: var(--ls-badge); font-size: var(--ls-badge-font); }
  .proc-badge { min-height: 22px; min-width: 22px; display:flex; align-items:center; justify-content:center }
  .proc-remove, .misc-input-delete { min-width: 44px; min-height: 44px; }
  .link-btn { min-width: 40px; min-height: 40px; }
  .toolbar-icon-btn { min-width: 44px; min-height: 44px; }
  .help-modal-close, .help-card-close { min-width: 44px; min-height: 44px; }
  .palette-panel .pp-row { padding: 10px 12px; }
}

/* ============ Loading Overlay ============ */
.loading-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; z-index: var(--z-system);
  opacity: 0; transition: opacity var(--transition-base);
}
.loading-overlay.show { opacity: 1; }
.loading-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay span { color: var(--text-primary); font-size: 14px; }
@media(prefers-reduced-motion: reduce) {
  .loading-spinner { animation: none; border-color: var(--accent); }
  .save-dot.dirty { animation: none; opacity: 1; }
  .sync-indicator.syncing svg { animation: none; }
  .trust-prompt { animation: none; }
  .spin { animation: none; }
  .toast { transition: none; }
  .help-hint-toast { transition: none; }
}

/* ============ Accessibility ============ */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: var(--void);
  padding: 8px 16px;
  z-index: var(--z-onboarding);
  font-weight: 600;
  border-radius: 0 0 8px 0;
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============ Toast base + types ============ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  padding: 12px 20px;
  background: var(--elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  z-index: var(--z-toast);
  opacity: 0;
  transition: opacity var(--transition-base), transform 0.2s;
  pointer-events: auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.error {
  background: #dc2626;
  color: white;
}
.toast.error a {
  color: white;
  text-decoration: underline;
  margin-left: 8px;
}
.toast.success {
  background: var(--go, #5a9a6e);
  color: white;
}
.toast.info {
  background: var(--accent, #6b9dad);
  color: var(--void, #0d0f11);
}
.toast.warning {
  background: #d97706;
  color: white;
}

/* ============ Confirm modal ============ */
.confirm-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: calc(var(--z-toast) + 1);
  opacity: 0; transition: opacity var(--transition-base);
}
.confirm-overlay.show { opacity: 1; }
.confirm-card {
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  max-width: 340px;
  width: calc(100% - 32px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.confirm-message {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.confirm-cancel {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  background: var(--subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: inherit;
}
.confirm-cancel:hover { background: var(--elevated); }
.confirm-ok {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: var(--void);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: inherit;
}
.confirm-ok:hover { box-shadow: var(--shadow-sm); }
.confirm-ok.danger {
  background: #dc2626;
  color: white;
}
.confirm-cancel:focus-visible, .confirm-ok:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.name-modal-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============ Help Hint Toast (near ? button) ============ */
.help-hint-toast {
  position: fixed;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 12px;
  background: var(--elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  z-index: var(--z-system);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.help-hint-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============ Reorder Warning Bar ============ */
.reorder-warning-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin: 4px 0;
  background: var(--accent-soft, rgba(126,184,201,0.12));
  border: 1px solid var(--border);
  border-radius: var(--radius-md, 6px);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.reorder-warning-bar svg {
  flex-shrink: 0;
  color: var(--accent, #7eb8c9);
}
.reorder-warning-dismiss {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}
.reorder-warning-dismiss:hover {
  color: var(--text-primary);
}