:root {
  --product-ink: #2d2530;
  --product-wine: #95596c;
  --product-paper: #fffdf8;
  --product-line: #d8cbbc;
  --product-sage: #78958e;
}

.feedback-trigger {
  position: fixed;
  z-index: 90;
  right: 18px;
  bottom: 18px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 999px;
  padding: 10px 17px;
  background: #3b303b;
  box-shadow: 0 8px 24px rgba(42,30,40,.18);
  color: #fffdf8;
  font: 700 13px/1.2 system-ui, sans-serif;
  letter-spacing: .08em;
  cursor: pointer;
}

.feedback-trigger:hover { background: var(--product-wine); }
.feedback-trigger:focus-visible,
.feedback-dialog button:focus-visible,
.feedback-dialog input:focus-visible,
.feedback-dialog select:focus-visible,
.feedback-dialog textarea:focus-visible,
.mobile-reading-nav button:focus-visible {
  outline: 3px solid #c6775d;
  outline-offset: 3px;
}

.feedback-dialog {
  width: min(540px, calc(100vw - 28px));
  max-height: min(720px, calc(100vh - 28px));
  border: 1px solid var(--product-line);
  border-radius: 18px 4px 18px 4px;
  padding: 0;
  background: var(--product-paper);
  box-shadow: 0 24px 70px rgba(42,30,40,.25);
  color: var(--product-ink);
}

.feedback-dialog::backdrop { background: rgba(34,26,32,.52); backdrop-filter: blur(3px); }
.feedback-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--product-line);
  padding: 22px 24px 18px;
}
.feedback-dialog-head span { color: var(--product-wine); font: 800 10px/1.2 system-ui, sans-serif; letter-spacing: .17em; }
.feedback-dialog-head h2 { margin: 6px 0 0; font: 700 24px/1.2 Georgia, serif; }
.feedback-dialog-head button {
  border: 0;
  padding: 0 5px;
  background: transparent;
  color: #675a64;
  font-size: 28px;
  cursor: pointer;
}
.feedback-form { display: grid; gap: 15px; padding: 22px 24px 24px; }
.feedback-form label { display: grid; gap: 7px; font: 700 13px/1.4 system-ui, sans-serif; }
.feedback-form label small { color: #80767d; font-weight: 500; }
.feedback-form input,
.feedback-form select,
.feedback-form textarea {
  width: 100%;
  border: 1px solid var(--product-line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #fff;
  color: var(--product-ink);
  font: 500 14px/1.5 system-ui, sans-serif;
}
.feedback-form textarea { min-height: 126px; resize: vertical; }
.feedback-privacy { margin: 0; color: #786f75; font: 500 11px/1.5 system-ui, sans-serif; }
.feedback-submit {
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  background: var(--product-wine);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}
.feedback-submit:disabled { opacity: .55; }
.feedback-message { min-height: 20px; margin: 0; color: #477269; font: 700 12px/1.5 system-ui, sans-serif; }
.mobile-reading-nav { display: none; }

.archive-header-actions { display: flex; align-items: center; gap: 10px; }
.archive-header-actions > button {
  border: 1px solid #cbbdaf;
  border-radius: 5px;
  padding: 10px 13px;
  background: transparent;
  color: #6e5260;
  font-weight: 800;
  cursor: pointer;
}
.onboarding-dialog {
  width: min(620px, calc(100vw - 28px));
  border: 1px solid var(--product-line);
  border-radius: 3px 22px 3px 22px;
  padding: 0;
  background: #fbf7ef;
  box-shadow: 0 28px 80px rgba(42,30,40,.28);
  color: var(--product-ink);
}
.onboarding-dialog::backdrop { background: rgba(35,28,34,.57); backdrop-filter: blur(3px); }
.onboarding-progress { display: grid; gap: 9px; border-bottom: 1px solid var(--product-line); padding: 20px 28px 16px; }
.onboarding-progress > span { color: #756971; font: 700 11px/1.2 system-ui, sans-serif; letter-spacing: .08em; }
.onboarding-progress > div { height: 3px; overflow: hidden; background: #ded5ca; }
.onboarding-progress i { display: block; width: 25%; height: 100%; background: var(--product-wine); transition: width .25s ease; }
.onboarding-step { min-height: 320px; padding: 42px 48px 32px; }
.onboarding-step > p:first-child { margin: 0 0 10px; color: var(--product-wine); font: 800 11px/1.2 system-ui, sans-serif; letter-spacing: .16em; }
.onboarding-step h2 { margin: 0 0 18px; font: 700 clamp(28px,5vw,42px)/1.15 Georgia, serif; }
.onboarding-step > p:not(:first-child) { max-width: 46ch; color: #685e65; font: 500 15px/1.8 system-ui, sans-serif; }
.onboarding-step label { display: grid; gap: 8px; max-width: 230px; margin-top: 28px; font: 700 13px/1.4 system-ui, sans-serif; }
.onboarding-step select { border: 1px solid var(--product-line); border-radius: 6px; padding: 11px; background: #fff; font: 700 15px/1.2 system-ui, sans-serif; }
.onboarding-step ol { display: grid; gap: 9px; padding-left: 22px; color: #685e65; font: 600 14px/1.5 system-ui, sans-serif; }
.onboarding-note { display: grid; gap: 6px; margin-top: 28px; border-left: 3px solid var(--product-sage); padding: 13px 16px; background: rgba(255,255,255,.55); }
.onboarding-note strong { font: 800 12px/1.4 system-ui, sans-serif; }
.onboarding-note span { color: #695f66; font: 500 13px/1.5 system-ui, sans-serif; }
.onboarding-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--product-line);
  padding: 17px 28px;
}
.onboarding-actions > div { display: flex; gap: 8px; }
.onboarding-actions button {
  border: 1px solid var(--product-line);
  border-radius: 6px;
  padding: 10px 14px;
  background: transparent;
  color: var(--product-ink);
  font-weight: 800;
  cursor: pointer;
}
.onboarding-actions #onboarding-next { border-color: var(--product-wine); background: var(--product-wine); color: white; }

@media (max-width: 760px) {
  .feedback-trigger { right: 12px; bottom: 76px; padding: 9px 14px; }
  .feedback-dialog-head { padding: 18px; }
  .feedback-dialog-head h2 { font-size: 21px; }
  .feedback-form { padding: 18px; }

  body[data-access="public-demo"] .mobile-reading-nav {
    position: sticky;
    z-index: 35;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 0 14px 12px;
    border: 1px solid var(--product-line);
    border-radius: 11px;
    padding: 8px 9px 8px 13px;
    background: rgba(255,253,248,.96);
    box-shadow: 0 6px 18px rgba(54,42,46,.09);
    backdrop-filter: blur(12px);
  }
  .mobile-reading-nav > span {
    color: var(--product-wine);
    font: 800 11px/1.2 system-ui, sans-serif;
  }
  .mobile-reading-nav > div { display: flex; gap: 4px; }
  .mobile-reading-nav button {
    border: 0;
    border-radius: 7px;
    padding: 8px 10px;
    background: transparent;
    color: #6c6269;
    font: 700 12px/1 system-ui, sans-serif;
  }
  .mobile-reading-nav button[aria-pressed="true"] { background: var(--product-wine); color: white; }
  .mobile-reading-nav button:disabled { opacity: .38; }
  body[data-access="public-demo"][data-mobile-view="article"] .question-panel { display: none; }
  body[data-access="public-demo"][data-mobile-view="questions"] .passage-panel,
  body[data-access="public-demo"][data-mobile-view="result"] .passage-panel { display: none; }
  body[data-access="public-demo"] .practice-layout { display: block; }
  body[data-access="public-demo"] .passage-panel,
  body[data-access="public-demo"] .question-panel { min-height: calc(100vh - 150px); }
  .archive-masthead { align-items: flex-start; }
  .archive-header-actions { width: 100%; justify-content: space-between; }
  .onboarding-step { min-height: 340px; padding: 30px 24px 24px; }
  .onboarding-actions { padding: 15px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .feedback-dialog::backdrop { backdrop-filter: none; }
}