/* CADsmit interactive layer — progress, live counter, quiz, assistant. Tokens come from industry.css. */
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.live-pill { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; line-height: 1; padding: 7px 12px; border: 1px solid var(--color-divider); border-radius: 999px; white-space: nowrap; color: var(--color-text); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); animation: cadsmit-pulse 2.2s ease-out infinite; }
@keyframes cadsmit-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-accent) 55%, transparent); } 80%, 100% { box-shadow: 0 0 0 7px transparent; } }
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

.tick { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent-700); }
.tick::before { content: "\2713"; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--cta-bg); color: var(--cta-fg); font-size: 11px; letter-spacing: 0; }

.continue { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 16px 20px; border: 1px solid var(--color-divider); border-radius: 16px; }
.continue-text { display: grid; gap: 4px; margin-right: auto; min-width: 0; }
.continue-kicker { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-accent-700); }
.continue-title { font-family: var(--font-heading); font-size: 22px; line-height: 1.15; }

.progress { height: 6px; border-radius: 999px; background: color-mix(in srgb, var(--color-text) 10%, transparent); overflow: hidden; }
.progress > span { display: block; height: 100%; width: 0; background: var(--cta-bg); border-radius: inherit; transition: width 0.3s ease; }
.lesson-progress { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; margin: 10px 0 4px; }
.progress-label { font-size: 14px; color: color-mix(in srgb, var(--color-text) 75%, transparent); white-space: nowrap; }

.step-check { display: inline-flex; align-items: center; gap: 8px; margin-left: auto; font-size: 14px; cursor: pointer; user-select: none; color: color-mix(in srgb, var(--color-text) 75%, transparent); }
.step-check input { width: 20px; height: 20px; margin: 0; accent-color: var(--cta-bg); cursor: pointer; }
.step-done h3 { color: color-mix(in srgb, var(--color-text) 62%, transparent); }
a.ts::before { content: "\25B6\FE0E"; font-size: 0.7em; margin-right: 5px; position: relative; top: -1px; }
.tag-done { color: var(--color-accent-700); font-weight: 600; }

.quiz-frame { padding: 22px 24px; border-radius: 16px; }
.quiz { display: grid; gap: 14px; }
.quiz h3 { font-size: 22px; margin: 0; }
.quiz p { margin: 0; font-size: 17px; line-height: 1.65; text-wrap: pretty; }
.quiz-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.quiz-meta { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-accent-700); }
.quiz-q { font-size: 19px !important; font-weight: 600; }
.quiz-opts { display: grid; gap: 10px; }
.quiz-opt { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; align-items: start; width: 100%; text-align: left; font: inherit; font-size: 16px; line-height: 1.5; color: var(--color-text); background: transparent; border: 1px solid var(--color-divider); border-radius: 12px; padding: 12px 14px; cursor: pointer; }
.quiz-opt:hover:not(:disabled) { background: color-mix(in srgb, var(--color-accent) 9%, transparent); border-color: var(--color-accent); }
.quiz-opt:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.quiz-opt:disabled { cursor: default; }
.quiz-letter { font-family: var(--font-heading); font-size: 17px; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--color-divider); border-radius: 50%; }
.quiz-opt.is-right { border-color: var(--cta-bg); background: color-mix(in srgb, var(--color-accent) 14%, transparent); }
.quiz-opt.is-right .quiz-letter { background: var(--cta-bg); color: var(--cta-fg); border-color: var(--cta-bg); }
.quiz-opt.is-wrong { border-style: dashed; opacity: 0.75; }
.quiz-opt.is-wrong .quiz-letter { text-decoration: line-through; }
.quiz-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quiz-score { font-family: var(--font-heading); font-size: 52px; line-height: 1; color: var(--color-accent-700); }
.quiz-misses { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: 16px; line-height: 1.55; }

.ask { display: grid; gap: 12px; }
.ask textarea.input { min-height: 88px; font-size: 16px; line-height: 1.5; resize: vertical; padding: 10px 12px; border-radius: 12px; }
.ask-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.ask-note { font-size: 14px; margin-right: auto; color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.ask-log { display: grid; gap: 12px; }
.ask-msg { padding: 14px 16px; border: 1px solid var(--color-divider); border-radius: 14px; font-size: 16px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.ask-msg.from-user { background: color-mix(in srgb, var(--color-accent) 8%, transparent); border-color: transparent; }
.ask-sources { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; font-size: 14px; white-space: normal; }
.ask-err { color: var(--color-text); font-size: 15px; }

.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 16px; }
.ref-card { position: relative; display: grid; gap: 8px; align-content: start; padding: 20px 22px; text-decoration: none; color: var(--color-text); border-radius: 16px; }
.ref-card:hover { background: color-mix(in srgb, var(--color-accent) 6%, transparent); }

.ref-table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.5; }
.ref-table th, .ref-table td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--color-divider); }
.ref-table th { font-family: var(--font-heading); font-size: 15px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent-700); font-weight: 600; }
.ref-table td:first-child { white-space: nowrap; }
.table-wrap { overflow-x: auto; border: 1px solid var(--color-divider); border-radius: 14px; }
.table-wrap .ref-table tr:last-child td { border-bottom: 0; }
kbd { font-family: var(--font-heading); font-size: 15px; padding: 2px 7px; border: 1px solid var(--color-divider); border-bottom-width: 2px; border-radius: 6px; white-space: nowrap; }

.gloss { margin: 0; display: grid; gap: 0; }
.gloss dt { font-family: var(--font-heading); font-size: 22px; line-height: 1.2; padding-top: 18px; border-top: 1px solid var(--color-divider); scroll-margin-top: 90px; }
.gloss dd { margin: 6px 0 18px; font-size: 17px; line-height: 1.7; text-wrap: pretty; }
.gloss .seen { display: block; margin-top: 4px; font-size: 14px; }
.az { display: flex; flex-wrap: wrap; gap: 6px; }
.az a { font-family: var(--font-heading); font-size: 17px; min-width: 34px; text-align: center; padding: 6px 8px; border: 1px solid var(--color-divider); border-radius: 8px; text-decoration: none; }
.az a:hover { background: color-mix(in srgb, var(--color-accent) 9%, transparent); }
.gloss dt > span[id] { display: block; scroll-margin-top: 90px; }