/* Bunklow book pages: extra styles on top of /guides/guides-v241.css.
   Brand: orange #FC8002, ink #0F172A, Fredoka headings, rounded cards.
   Randy, Oct 26 2026, 5:12 PM PT: "Yes, border only." Boxes get a border only, never a cream fill. */
.bk-book { --bo: #FC8002; --bi: #0F172A; --bline: rgba(252, 128, 2, .55); --bsoft: rgba(238, 243, 252, .28); --blink: #FFB561; }
.bk-book .eyebrow { color: var(--bo); }
.bk-book .price { font: 700 1.6rem Fredoka, ui-rounded, system-ui, sans-serif; color: #fff; margin: 0 0 16px; }
.bk-book .price small { font: 400 .95rem Inter, system-ui, sans-serif; color: var(--muted); margin-left: 6px; }
.bk-book .btn.buy { background: var(--bo); color: var(--bi); border: 0; font-weight: 700; box-shadow: 0 8px 18px rgba(252, 128, 2, .35); }
.bk-book .btn.buy:hover, .bk-book .btn.buy:focus-visible { box-shadow: 0 0 0 3px rgba(255, 255, 255, .35), 0 0 18px 3px rgba(252, 128, 2, .9); }

.bk-start { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0 0 40px; padding: 0; list-style: none; }
.bk-start li { background: transparent; color: var(--ink); border: 2px solid var(--bline); border-top: 6px solid var(--bo); border-radius: 22px; padding: 18px 20px; }
.bk-start strong { display: block; font: 600 1.1rem Fredoka, ui-rounded, system-ui, sans-serif; margin-bottom: 4px; color: #fff; }
.bk-start p { margin: 0; font-size: .96rem; }
.bk-start a { color: var(--blink); font-weight: 700; }

.bk-gets { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; margin-bottom: 40px; }
.bk-gets ol { margin: 0; padding-left: 1.3em; }
.bk-gets li { margin: 0 0 6px; }
.bk-gets ul { margin: 0; padding-left: 1.1em; }

.bk-card { background: transparent; color: var(--ink); border: 2px solid var(--bline); border-radius: 24px; padding: clamp(20px, 4vw, 34px); margin-bottom: 40px; }
.bk-card h2, .bk-card h3 { color: #fff; }
.bk-card h3 { font: 600 1.2rem Fredoka, ui-rounded, system-ui, sans-serif; margin: 1.2em 0 .4em; }
.bk-card p { max-width: 70ch; }
.bk-card a { color: var(--blink); }
.bk-label { display: inline-block; background: transparent; color: var(--bo); border: 2px solid var(--bo); font: 700 .78rem Inter, system-ui, sans-serif; text-transform: uppercase; letter-spacing: .1em; padding: 5px 12px; border-radius: 999px; margin: 0 0 12px; }
.bk-sample { border-style: dashed; }
.bk-sample .ex { background: transparent; border: 2px solid var(--bsoft); border-radius: 16px; padding: 14px 18px; font-style: italic; }
.bk-sample .bk-tip { border: 2px solid var(--bo); border-radius: 16px; padding: 14px 18px; margin-top: 18px; font-weight: 600; }
.bk-sample .bk-tip span { display: block; text-transform: uppercase; letter-spacing: .1em; font-size: .76rem; color: var(--blink); margin-bottom: 4px; }
.bk-sample .bk-end { color: var(--muted); font-size: .92rem; margin: 18px 0 0; }

.bk-progress { display: flex; align-items: center; gap: 12px; margin: 6px 0 16px; }
.bk-bar { flex: 1; height: 14px; background: transparent; border: 2px solid var(--bsoft); border-radius: 999px; overflow: hidden; }
.bk-bar i { display: block; height: 100%; width: 0; background: var(--bo); border-radius: 999px; transition: width .25s; }
.bk-progress output { font-weight: 700; min-width: 4.5em; text-align: right; }
.bk-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bk-list label { display: flex; gap: 12px; align-items: center; background: transparent; border: 2px solid var(--bsoft); border-radius: 16px; padding: 12px 14px; min-height: 52px; cursor: pointer; }
.bk-list label:hover { border-color: var(--bo); }
.bk-list input { width: 24px; height: 24px; accent-color: var(--bo); flex: none; }
.bk-list input:checked + span { text-decoration: line-through; color: var(--muted); }
.bk-done { margin: 14px 0 0; font-weight: 700; color: #4ADE80; }
.bk-done[hidden] { display: none; }
.bk-reset { background: none; border: 0; color: var(--blink); font: 600 .92rem Inter, system-ui, sans-serif; text-decoration: underline; cursor: pointer; padding: 10px 0; min-height: 44px; }

.bk-quiz fieldset { border: 0; margin: 0 0 18px; padding: 0; }
.bk-quiz legend { font-weight: 700; margin-bottom: 8px; padding: 0; color: #fff; }
.bk-quiz .opts { display: grid; gap: 8px; }
.bk-quiz button.opt { text-align: left; background: transparent; border: 2px solid var(--bsoft); border-radius: 16px; padding: 12px 14px; min-height: 52px; font: 500 1rem Inter, system-ui, sans-serif; color: var(--ink); cursor: pointer; }
.bk-quiz button.opt:hover { border-color: #e8f0ffc7; }
.bk-quiz button.opt.right { border-color: #4ADE80; color: #fff; }
.bk-quiz button.opt.right::after { content: "  ✓"; color: #4ADE80; font-weight: 700; }
.bk-quiz button.opt.wrong { border-color: #F87171; }
.bk-quiz button.opt:disabled { cursor: default; }
.bk-quiz .why { margin: 8px 0 0; font-size: .95rem; }
.bk-quiz .why[hidden] { display: none; }
.bk-score { font-weight: 700; margin: 0; }

.bk-calc { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 10px 0 16px; }
.bk-calc label { display: grid; gap: 6px; font-weight: 600; }
.bk-calc input { min-height: 52px; border: 2px solid var(--bsoft); border-radius: 16px; padding: 0 14px; font: 600 1.1rem Inter, system-ui, sans-serif; color: #fff; background: transparent; width: 100%; }
.bk-calc input:focus-visible { outline: 3px solid var(--bo); outline-offset: 2px; }
.bk-result { background: transparent; border: 2px solid var(--bsoft); border-radius: 16px; padding: 16px 18px; font-size: 1.05rem; }
.bk-result strong { font: 700 1.5rem Fredoka, ui-rounded, system-ui, sans-serif; color: var(--blink); }

.bk-buy { text-align: center; }
.bk-buy .price { color: #fff; }
.bk-buy p { margin-left: auto; margin-right: auto; }
.bk-buy .note { font-size: .9rem; color: var(--muted); }

.bk-book .fine { color: var(--muted); font-size: .9rem; max-width: 72ch; }

@media (max-width: 760px) {
  .bk-start, .bk-gets, .bk-calc { grid-template-columns: minmax(0, 1fr); }
  .bk-list, .bk-related, .bk-take-list, .bk-quiz .opts { grid-template-columns: minmax(0, 1fr); }
  .bk-related a { min-width: 0; overflow-wrap: anywhere; }
  .bk-start li, .bk-gets > *, .bk-list label > span, .bk-take-list li, .bk-take-list strong, .bk-quiz button.opt { min-width: 0; overflow-wrap: break-word; }
  .bk-book .price { text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .bk-bar i { transition: none; }
}