/* ==========================================================================
   Stem-Check (tools_stemcheck.php) – ergänzt die Key-Scout-Styles (Hero, Dropzone)
   ========================================================================== */
.sc { --sc-ok: var(--ok); --sc-warn: var(--warn); --sc-bad: var(--red-hi, var(--red)); }
:root[data-theme="light"] .sc { --sc-ok: #067a4f; --sc-warn: #8a5300; --sc-bad: var(--red-ink, #c8081f); }   /* Text-Kontrast ≥ 4.5:1 auf Weiß */
.sc .identity-copy { max-width: 720px; }
.sc-drop { max-width: 900px; }
.sc-drop .ks-upload-icon { stroke: #fff; }
.sc-options { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; max-width: 900px; margin-top: 14px; }
.sc-options .ks-privacy { margin: 0; }
.sc-options .linklike { font-size: .88rem; }
.sc [data-error] { max-width: 900px; margin-top: 16px; }
.sc-progress[hidden], .sc-start[hidden], .sc-results[hidden], .sc-todo[hidden], .sc-skipped[hidden], .sc-item[hidden] { display: none; }
.sc h2[tabindex="-1"]:focus { outline: none; }

/* Fortschritt */
.sc-progress { max-width: 900px; margin-top: 22px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.sc-progress-bar { height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; margin-bottom: 12px; }
.sc-progress-bar i { display: block; height: 100%; width: 100%; transform-origin: left; transform: scaleX(var(--p, 0)); background: var(--red); transition: transform .2s linear; }
.sc-progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sc-progress p { display: flex; align-items: center; gap: 10px; margin: 0; font-size: .9rem; font-variant-numeric: tabular-nums; }
.sc-active { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 4px; }
.sc-active li { display: flex; justify-content: space-between; gap: 12px; font-size: .8rem; color: var(--muted); }
.sc-active span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.sc-active b { font: 500 .74rem var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); flex: none; }

/* Ergebnis-Kopf */
.sc-results { display: grid; gap: 14px; }
.sc-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.sc-head .ks-kicker { margin-bottom: 12px; }
.sc-head h2 { font-size: clamp(1.8rem, 4.4vw, 3.4rem); letter-spacing: -0.04em; line-height: 1; overflow-wrap: anywhere; }
.sc-meta { margin: 10px 0 0; font: 500 .74rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* Status-Farben: Punkt + Text, nie nur Farbe */
.sc-dot { width: 10px; height: 10px; flex: none; border-radius: 50%; background: var(--muted-2); }
.is-ok > .sc-dot, .is-ok .sc-dot { background: var(--ok); }
.is-warn > .sc-dot, .is-warn .sc-dot { background: var(--warn); }
.is-bad > .sc-dot, .is-bad .sc-dot { background: var(--red); }
/* Hinweis bei grünen Spuren (z. B. 16 Bit, Stereo-Vocals): ruhig, ohne Alarmfarbe */
.is-info > .sc-dot, .is-info .sc-dot { background: transparent; box-shadow: inset 0 0 0 1.5px var(--muted-2); }
.sc-issues li.is-info p { color: var(--muted); }

.sc-summary { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 20px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.sc-verdict { display: flex; align-items: flex-start; gap: 12px; font-size: 1.05rem; min-width: 0; }
.sc-verdict > .sc-dot { width: 14px; height: 14px; margin-top: 6px; }
.sc-verdict strong { display: block; font-weight: 600; text-wrap: balance; }
.sc-expect { margin: 2px 0 0; font-size: .84rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.sc-expect b { color: var(--text); font-weight: 600; }
.sc-filter { display: flex; flex-wrap: wrap; gap: 6px; }
.sc-filter button { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; font-size: .84rem; font-weight: 500; color: var(--muted); transition: color .2s, border-color .2s, background-color .2s, transform .16s var(--ease); }
.sc-filter button b { font: 600 .74rem var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); }
@media (hover: hover) and (pointer: fine) { .sc-filter button:hover { color: var(--text); border-color: var(--text); } }
.sc-filter button:active { transform: scale(.97); }
.sc-filter button[aria-pressed="true"] { background: var(--surface-2); color: var(--text); border-color: var(--text); }

/* Was du tun solltest – eine Zeile pro Problemgruppe, Dateinamen darunter */
.sc-todo { padding: 16px 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.sc-todo h3 { margin: 0 0 10px; font-size: 1rem; }
.sc-todo ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sc-todo li { display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: 12px; align-items: baseline; font-size: .88rem; line-height: 1.45; }
.sc-todo li .sc-dot { transform: translateY(-1px); }
.sc-todo p { margin: 0; color: var(--muted); }
.sc-todo strong { font-weight: 600; }
.sc-todo li.is-bad strong { color: var(--sc-bad); }
.sc-todo li.is-warn strong { color: var(--sc-warn); }
.sc-todo small { display: block; margin-top: 1px; font: 500 .72rem/1.5 var(--font-mono); color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Hinweise (info): einmal für alle, ruhig */
.sc-hints { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 16px; align-items: baseline; padding: 12px 18px; border: 1px dashed var(--line-2); border-radius: 16px; font-size: .84rem; line-height: 1.45; color: var(--muted); }
.sc-hints[hidden] { display: none; }
.sc-hints h3 { margin: 0; font-size: .84rem; font-weight: 600; color: var(--text); }
.sc-hints ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; }
.sc-hints li { position: relative; padding-left: 16px; }
.sc-hints li::before { content: ""; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--muted-2); }

/* Liste: eine Zeile pro Spur */
.sc-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); overflow: hidden; }
.sc-item:not([hidden]) ~ .sc-item:not([hidden]) { border-top: 1px solid var(--line); }
.sc-row { display: grid; grid-template-columns: 76px minmax(6rem, 1fr) auto 21rem 16px; align-items: center; gap: 0 16px; width: 100%; min-height: 44px; padding: 7px 16px; text-align: left; font: inherit; color: inherit; background: none; border: 0; }
button.sc-row { cursor: pointer; transition: background-color .15s; }
@media (hover: hover) and (pointer: fine) { button.sc-row:hover { background: var(--surface-2); } }
button.sc-row:focus-visible { outline: 2px solid var(--text); outline-offset: -2px; border-radius: 4px; }
.sc-row[aria-expanded="true"] { background: var(--surface-2); }
.sc-st { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.sc-st .sc-dot { width: 8px; height: 8px; }
.sc-st.is-ok { color: var(--sc-ok); }
.sc-st.is-warn { color: var(--sc-warn); }
.sc-st.is-bad { color: var(--sc-bad); }
.sc-name { min-width: 0; font-size: .92rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sc-m { display: flex; overflow: hidden; font: 500 .72rem/1.4 var(--font-mono); color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.sc-m span + span::before { content: "·"; margin: 0 .45em; color: var(--muted-2); }
.sc-m .is-hot { color: var(--text); font-weight: 700; }
.sc-chips { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; min-width: 0; }
.sc-chip { padding: 1px 7px; border: 1px solid var(--line-2); border-radius: 6px; font-size: .72rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.sc-chip.is-bad { color: var(--sc-bad); border-color: color-mix(in srgb, var(--red) 40%, transparent); background: color-mix(in srgb, var(--red) 9%, transparent); }
.sc-chip.is-warn { color: var(--sc-warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.sc-chip.is-info { color: var(--muted); font-weight: 500; border-color: var(--line); }
.sc-chev { width: 16px; height: 16px; fill: none; stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .18s var(--ease-out); }
.sc-row[aria-expanded="true"] .sc-chev { transform: rotate(180deg); }

/* Details: schnell auf-/zuklappen */
.sc-detail { display: grid; grid-template-rows: 0fr; visibility: hidden; transition: grid-template-rows .18s var(--ease-out), visibility 0s .18s; }
.sc-detail > div { min-height: 0; overflow: hidden; }
.sc-row[aria-expanded="true"] + .sc-detail { grid-template-rows: 1fr; visibility: visible; transition: grid-template-rows .18s var(--ease-out); background: var(--surface-2); }
.sc-issues { list-style: none; margin: 0; padding: 2px 16px 12px 108px; display: grid; gap: 8px; }
.sc-issues li { display: grid; grid-template-columns: 8px minmax(0, 1fr); gap: 10px; align-items: baseline; font-size: .86rem; line-height: 1.45; }
.sc-issues .sc-dot { width: 8px; height: 8px; transform: translateY(-1px); }
.sc-issues p { margin: 0; }
.sc-issues small { display: block; margin-top: 1px; font-size: .8rem; color: var(--muted); }
.sc-issues small b { font-weight: 600; color: var(--text); }
.sc-note { margin: -4px 16px 12px 108px; font-size: .78rem; color: var(--muted); }
.sc-skipped { margin: 0; font-size: .82rem; color: var(--muted-2); }
.sc-cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px 24px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 20px; background: radial-gradient(80% 140% at 100% 0%, var(--red-soft), transparent 60%), var(--surface); }
.sc-cta-copy { max-width: 40em; }
.sc-cta-copy strong { display: block; margin-bottom: 4px; font: 700 1.15rem/1.25 var(--font-display); letter-spacing: -0.01em; }
.sc-cta p { margin: 0; color: var(--muted); }

/* Erklärung */
.sc-info { margin-top: clamp(48px, 7vw, 88px); }
.sc-info h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.04em; margin-bottom: 20px; }
.sc-info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.sc-info article { padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.sc-info h3 { font-size: 1.05rem; margin-bottom: 8px; }
.sc-info p { margin: 0; font-size: .88rem; color: var(--muted); line-height: 1.55; }

@media (max-width: 960px) {
    .sc-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sc-row { grid-template-columns: 70px minmax(6rem, 1fr) auto auto 16px; }
    .sc-m .is-opt { display: none; }
    .sc-m span + span::before { content: none; }
    .sc-m span:not(.is-opt) ~ span:not(.is-opt)::before { content: "·"; }
}
@media (max-width: 640px) {
    .sc-info-grid { grid-template-columns: 1fr; }
    .sc-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; padding: 8px 14px; }
    .sc-row::after { content: ""; order: 3; flex-basis: 100%; }
    .sc-st { order: 0; min-width: 4.6rem; }
    .sc-name { order: 1; flex: 1 1 0; }
    .sc-chev, .sc-row > span:last-child:empty { order: 2; flex: none; }
    .sc-m { order: 4; }
    .sc-chips { order: 5; flex: 1 1 auto; }
    .sc-m .is-opt { display: none; }
    .sc-m span + span::before { content: none; }
    .sc-m span:not(.is-opt) ~ span:not(.is-opt)::before { content: "·"; }
    .sc-issues { padding-left: 14px; padding-right: 14px; }
    .sc-note { margin-left: 14px; }
    .sc-hints { grid-template-columns: 1fr; padding: 12px 14px; }
    .sc-summary { padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
    .sc-progress-bar i, .sc-filter button, button.sc-row, .sc-chev, .sc-detail, .sc-row[aria-expanded="true"] + .sc-detail { transition: none; }
}