/* Deutsch A1 · Study Guide (study-guide.html) — overview, lesson parts, conversation blocks */
.sg { max-width: 980px; margin: 0 auto; padding: 0 16px 64px; font: 16px/1.6 var(--ui-font); color: var(--ui-ink); }
.sh-content main.sg { padding: 0 0 64px; }
.sg h2 { font: 800 24px/1.2 var(--ui-display); margin: 0 0 6px; letter-spacing: -.01em; }
.sg .cap { color: var(--ui-muted); margin: 0 0 16px; font-size: 15px; }
.sg-card { background: var(--ui-surface); border: 1px solid var(--ui-line); border-radius: var(--ui-r-lg); box-shadow: var(--ui-shadow); padding: 22px 24px; margin-bottom: 20px; }
@media (max-width: 640px) { .sg-card { padding: 16px; border-radius: var(--ui-r); } }

/* resume + totals */
.sg-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 24px; align-items: center; background: linear-gradient(135deg, var(--ui-accent-soft), var(--ui-surface) 70%); }
.sg-top .lv { font: 600 13px var(--ui-font); color: var(--ui-accent-ink); }
.sg-top h2 { margin: 4px 0 2px; }
.sg-top p { margin: 0; color: var(--ui-ink-2); }
.sg-stats { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 14px; color: var(--ui-muted); }
.sg-stats b { color: var(--ui-ink); font-size: 18px; margin-right: 4px; }
@media (max-width: 640px) { .sg-top { grid-template-columns: 1fr; } .sg-top .ui-btn { width: 100%; } }

/* search + filters */
.sg-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 4px 0 18px; }
.sg-tools .ui-input { flex: 1 1 260px; min-height: 44px; }
.sg-chip { font: 600 14px var(--ui-font); min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--ui-line-2); background: var(--ui-surface); color: var(--ui-ink-2); cursor: pointer; }
.sg-chip[aria-pressed="true"] { background: var(--ui-accent); border-color: var(--ui-accent); color: var(--ui-on-accent); }
.sg-level { margin: 26px 0 12px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sg-level h2 { margin: 0; }
.sg-level span { color: var(--ui-muted); font-size: 14px; }

/* lesson cards */
.sg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.sg-lc { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: inherit; background: var(--ui-surface); border: 1px solid var(--ui-line); border-radius: var(--ui-r-lg); padding: 18px; box-shadow: var(--ui-shadow); transition: border-color .15s, transform .15s; min-width: 0; }
.sg-lc:hover { border-color: var(--ui-accent); }
.sg-lc:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: 2px; }
.sg-lc .no { font: 600 12.5px var(--ui-font); color: var(--ui-accent-ink); display: flex; justify-content: space-between; gap: 8px; }
.sg-lc h3 { font: 700 18px/1.25 var(--ui-display); margin: 0; }
.sg-lc .goal { color: var(--ui-ink-2); font-size: 14.5px; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sg-lc .meta { color: var(--ui-muted); font-size: 13px; margin-top: auto; }
.sg-lc .hit { font-size: 13px; color: var(--ui-ink-2); background: var(--ui-accent-soft); border-radius: 8px; padding: 4px 8px; }
.sg-bar { display: block; height: 6px; border-radius: 99px; background: var(--ui-line); overflow: hidden; }
.sg-bar i { display: block; height: 100%; background: var(--ui-accent); border-radius: 99px; }
.sg-st { font: 700 12px var(--ui-font); padding: 2px 9px; border-radius: 999px; white-space: nowrap; border: 1px solid var(--ui-line-2); color: var(--ui-muted); }
.sg-st.go { background: var(--ui-accent-soft); border-color: transparent; color: var(--ui-accent-ink); }
.sg-st.ok { background: var(--ui-ok-soft); border-color: transparent; color: var(--ui-ok); }

/* lesson page */
.sg-head { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.sg-prog { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ui-muted); margin: 0 0 12px; }
.sg-prog .sg-bar { flex: 1; max-width: 320px; }
.sg-tabs { position: sticky; top: var(--ui-top, 60px); z-index: 5; display: flex; gap: 6px; overflow-x: auto; padding: 8px 2px; margin: 0 0 16px; background: var(--ui-bg); scrollbar-width: thin; }
.sg-tabs button { flex: none; font: 600 14px var(--ui-font); min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--ui-line-2); background: var(--ui-surface); color: var(--ui-ink-2); cursor: pointer; white-space: nowrap; }
.sg-tabs button[aria-selected="true"] { background: var(--ui-accent); border-color: var(--ui-accent); color: var(--ui-on-accent); }
.sg-tabs button.done:not([aria-selected="true"]) { border-color: color-mix(in srgb, var(--ui-ok) 45%, var(--ui-line)); color: var(--ui-ok); }
.sg-tabs button .k { opacity: .7; margin-right: 4px; font-weight: 500; }
.sg-pane { outline: none; }
.sg-pane .en-sub { color: var(--ui-muted); font-size: 14px; font-weight: 500; margin-left: 6px; }
.sg-body h3 { font: 700 19px/1.3 var(--ui-display); margin: 26px 0 8px; }
.sg-body h3:first-child { margin-top: 0; }
.sg-body h4 { font: 700 16px/1.35 var(--ui-font); margin: 20px 0 6px; color: var(--ui-accent-ink); }
.sg-body h5 { font: 700 15px var(--ui-font); margin: 16px 0 4px; }
.sg-body p { margin: 0 0 12px; }
.sg-body ul, .sg-body ol { margin: 0 0 14px; padding-left: 22px; }
.sg-body li { margin-bottom: 4px; }
.sg-body blockquote { margin: 0 0 16px; padding: 12px 16px; background: var(--ui-accent-soft); border-left: 4px solid var(--ui-accent); border-radius: 0 10px 10px 0; }
.sg-body blockquote p:last-child { margin: 0; }
.sg-tw { overflow-x: auto; margin: 0 0 16px; border: 1px solid var(--ui-line); border-radius: 10px; }
.sg-tw table { border-collapse: collapse; width: 100%; font-size: 15px; }
.sg-tw th, .sg-tw td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--ui-line); vertical-align: top; }
.sg-tw th { background: var(--ui-surface-2); font-size: 13px; color: var(--ui-ink-2); }
.sg-tw tr:last-child td { border-bottom: 0; }
.sg-tw td:first-child { font-weight: 600; }

/* conversations */
.sg-dlg { display: flex; flex-direction: column; gap: 8px; margin: 4px 0 16px; padding: 14px; background: var(--ui-surface-2); border-radius: 14px; }
.sg-turn { display: flex; flex-direction: column; align-items: flex-start; max-width: 86%; }
.sg-turn.r { align-self: flex-end; align-items: flex-end; }
.sg-who { font: 700 12px var(--ui-font); color: var(--ui-muted); margin: 0 6px 2px; }
.sg-say { background: var(--ui-surface); border: 1px solid var(--ui-line); border-radius: 4px 14px 14px 14px; padding: 8px 12px; line-height: 1.5; }
.sg-turn.r .sg-say { border-radius: 14px 4px 14px 14px; background: var(--ui-accent-soft); border-color: transparent; }
.sg-turn.s2 .sg-say { border-left: 3px solid var(--ui-ok); }
.sg-turn.s3 .sg-say { border-right: 3px solid var(--ui-warn); }
.sg-play { border: 0; background: none; cursor: pointer; padding: 0 2px; font-size: 14px; opacity: .65; }
.sg-play:hover, .sg-play:focus-visible { opacity: 1; }
@media (max-width: 640px) { .sg-turn { max-width: 94%; } .sg-dlg { padding: 10px; margin-left: -4px; margin-right: -4px; } }
.sg-hint { margin: -6px 0 16px; border: 1px dashed var(--ui-line-2); border-radius: 10px; padding: 0 12px; }
.sg-hint summary { cursor: pointer; font: 600 14px var(--ui-font); color: var(--ui-accent-ink); min-height: 40px; display: flex; align-items: center; }
.sg-hint p { margin: 0 0 10px; font-size: 15px; }

/* situations */
.sg-sits { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.sg-sits button { font: 600 14px var(--ui-font); min-width: 44px; min-height: 40px; padding: 0 10px; border-radius: 10px; border: 1px solid var(--ui-line-2); background: var(--ui-surface); color: var(--ui-ink-2); cursor: pointer; }
.sg-sits button[aria-pressed="true"] { background: var(--ui-accent); border-color: var(--ui-accent); color: var(--ui-on-accent); }
.sg-sits button.done:not([aria-pressed="true"]) { border-color: var(--ui-ok); color: var(--ui-ok); }
.sg-sit h3 { margin-top: 0; }

/* can-do checks, actions, related links */
.sg-can { list-style: none; padding: 0 !important; }
.sg-can label { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; cursor: pointer; }
.sg-can input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--ui-accent); }
.sg-box { width: 18px; height: 18px; border: 2px solid var(--ui-line-2); border-radius: 4px; flex: none; margin-top: 3px; }
.sg-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; border-top: 1px solid var(--ui-line); margin-top: 18px; padding-top: 16px; }
.sg-actions .ui-btn.on { background: var(--ui-ok-soft); color: var(--ui-ok); border-color: transparent; }
.sg-rel { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; list-style: none; padding: 0; margin: 0; }
.sg-rel a { display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: var(--ui-ink); border: 1px solid var(--ui-line); border-radius: 10px; padding: 10px 12px; font-weight: 600; font-size: 14.5px; }
.sg-rel a span { font-weight: 400; color: var(--ui-muted); font-size: 13px; }
.sg-rel a:hover { border-color: var(--ui-accent); }
.sg-nav { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
@media (max-width: 640px) { .sg-actions .ui-btn, .sg-nav .ui-btn { flex: 1 1 100%; } }

.sg-sitlist a { font-weight: 600; }
@media (max-width: 640px) { .sg-pane .en-sub, .sg .en-sub { display: block; margin: 2px 0 0; } }