/* ============================================================================
   Survey Engine — Design System
   how2be.digital GXP · shared by survey_public + survey_take (SurveyEngine)
   ----------------------------------------------------------------------------
   - Scope: everything lives under .sv-app (engine owns #sv-root)
   - Tokens: consumes BrandPalette :root tokens with safe fallbacks
   - Motion: transform/opacity only; prefers-reduced-motion reset at the end
   - Mobile-first; no horizontal scroll at 320px; touch targets >= 44px
   ============================================================================ */

/* ── Token layer ─────────────────────────────────────────────────────────── */
.sv-app {
    --sv-brand: var(--brand-600, #7030A0);
    --sv-brand-strong: var(--brand-700, #5c2483);
    --sv-brand-soft: var(--brand-50, #f6effc);
    --sv-brand-muted: var(--brand-100, #eadef7);
    --sv-on-brand: var(--on-brand, #fff);
    --sv-bg: var(--surface-page, #FAFAF8);
    --sv-card: var(--surface-card, #fff);
    --sv-line: var(--line, #E8E8ED);
    --sv-ink: var(--ink, #1A1A2E);
    --sv-text: var(--text-body, #33344a);
    --sv-muted: var(--muted, #555770);
    --sv-faint: var(--faint, #8E90A6);
    --sv-pop: var(--pop-600, #059669);
    --sv-radius: 14px;
    /* Brand-Font-Slot: definiert die BrandPalette --brand-font, bekommt der
       Mandant sein eigenes Gesicht; sonst bleibt der System-Stack. */
    --sv-font: var(--brand-font, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif);

    /* engine-local derivations */
    --sv-danger: #C2382E;
    --sv-danger-soft: #FBEFEE;
    --sv-warn: #92600F;
    --sv-warn-soft: #FAF3E3;
    --sv-shadow: 0 10px 30px -12px rgba(20, 20, 43, 0.18);
    --sv-hairline: 1px solid var(--sv-line);
    --sv-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --sv-toast-bg: var(--sv-ink);
    --sv-toast-text: #FCFCFA;
}

/* ── Dark Mode ───────────────────────────────────────────────────────────
   Opt-in je Shell (theme:'auto' → data-theme-auto), folgt dem System. Es
   kippen NUR die Token — keine Komponente führt eigene Dark-Farben. Brand-
   Flächen sind dunkle Mischungen (aufgehellte Flächen wirken milchig, siehe
   Lehre --accent im Dark-Theme); nur die Text-/Linienrolle brand-strong wird
   aufgehellt, damit sie auf dunklem Grund lesbar bleibt. */
@media (prefers-color-scheme: dark) {
    .sv-app[data-theme-auto] {
        color-scheme: dark;
        --sv-brand-strong: color-mix(in srgb, var(--brand-600, #7030A0) 72%, #fff);
        --sv-brand-soft: color-mix(in srgb, var(--brand-600, #7030A0) 16%, #201D28);
        --sv-brand-muted: color-mix(in srgb, var(--brand-600, #7030A0) 30%, #201D28);
        --sv-bg: #16141B;
        --sv-card: #201D28;
        --sv-line: #363242;
        --sv-ink: #F1EFF5;
        --sv-text: #D8D5E0;
        --sv-muted: #A9A5B6;
        --sv-faint: #817D8F;
        --sv-pop: #3FBF8C;
        --sv-danger: #E5756D;
        --sv-danger-soft: #3A2422;
        --sv-warn: #D9A554;
        --sv-warn-soft: #342A1B;
        --sv-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55);
        --sv-toast-bg: #2E2A38;
        --sv-toast-text: #F1EFF5;
    }
}

/* ── Base ────────────────────────────────────────────────────────────────── */
.sv-app,
.sv-app *,
.sv-app *::before,
.sv-app *::after { box-sizing: border-box; }

.sv-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    background: var(--sv-bg);
    color: var(--sv-text);
    font-family: var(--sv-font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

.sv-app h1, .sv-app h2, .sv-app h3, .sv-app p { margin: 0; }
.sv-app button { font-family: inherit; }
.sv-app ::selection { background: color-mix(in srgb, var(--sv-brand) 22%, transparent); }

.sv-app :focus-visible {
    outline: 2px solid var(--sv-brand);
    outline-offset: 2px;
    border-radius: 4px;
}

.sv-ico { width: 18px; height: 18px; flex-shrink: 0; display: inline-block; vertical-align: -3px; }

/* Visually hidden live region */
.sv-live {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.sv-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--sv-card);
    border-bottom: var(--sv-hairline);
}
.sv-topbar-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.sv-topbar-title {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--sv-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}
.sv-topbar-side {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.sv-counter {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--sv-faint);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.sv-counter strong { color: var(--sv-ink); font-weight: 700; }

.sv-exit-link {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--sv-faint);
    text-decoration: none;
    white-space: nowrap;
}
.sv-exit-link:hover { color: var(--sv-ink); text-decoration: underline; }

/* Save chip */
.sv-save-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 11px;
    border: 1px solid var(--sv-line);
    border-radius: 999px;
    background: var(--sv-card);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--sv-muted);
    white-space: nowrap;
}
.sv-chip-ind {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--sv-pop);
    flex-shrink: 0;
}
.sv-save-chip[data-state="saving"] {
    border-color: var(--sv-brand-muted);
    background: var(--sv-brand-soft);
    color: var(--sv-brand-strong);
}
.sv-save-chip[data-state="saving"] .sv-chip-ind {
    width: 11px; height: 11px;
    background: transparent;
    border: 2px solid var(--sv-brand-muted);
    border-top-color: var(--sv-brand-strong);
    animation: svSpin 0.7s linear infinite;
}
.sv-save-chip[data-state="offline"] {
    border-color: color-mix(in srgb, var(--sv-warn) 30%, transparent);
    background: var(--sv-warn-soft);
    color: var(--sv-warn);
}
.sv-save-chip[data-state="offline"] .sv-chip-ind { background: var(--sv-warn); }
.sv-save-chip[data-state="error"] {
    border-color: color-mix(in srgb, var(--sv-danger) 30%, transparent);
    background: var(--sv-danger-soft);
    color: var(--sv-danger);
}
.sv-save-chip[data-state="error"] .sv-chip-ind { background: var(--sv-danger); }

@keyframes svSpin { to { transform: rotate(360deg); } }

/* Progress — Kapitel-Spuren je Abschnitt; Füllung via scaleX (nur transform).
   flex-grow kommt inline aus der Engine (proportional zur Fragenzahl). */
.sv-progress {
    display: flex;
    gap: 3px;
    height: 3px;
    background: transparent;
}
.sv-progress-seg {
    flex: 1 1 0;
    background: var(--sv-line);
    overflow: hidden;
    border-radius: 2px;
}
.sv-progress-seg-fill {
    height: 100%;
    width: 100%;
    background: var(--sv-brand);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform 0.5s var(--sv-ease);
}

/* Stage gating: intro/gate hide run-only chrome */
.sv-app[data-stage="intro"] .sv-save-chip,
.sv-app[data-stage="intro"] .sv-counter,
.sv-app[data-stage="intro"] .sv-progress,
.sv-app[data-stage="gate"] .sv-save-chip,
.sv-app[data-stage="gate"] .sv-counter,
.sv-app[data-stage="gate"] .sv-progress,
.sv-app[data-stage="done"] .sv-save-chip { display: none; }

/* ── Main column & screens ───────────────────────────────────────────────── */
.sv-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 28px 16px 32px;
}
.sv-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Bühne auf hohen Viewports: EIN konsistenter oberer Versatz für alle
   Run-Screens — bewusst KEIN vertikales Zentrieren, die Titel-Baseline
   spränge sonst je nach Inhaltshöhe beim Navigieren (siehe Kommentar am
   Segment-Interstitial). */
@media (min-width: 768px) and (min-height: 800px) {
    .sv-question,
    .sv-seg-intro { padding-top: clamp(24px, 12vh, 120px); }
}

/* Antwortbreite je Typ: Lesebreite statt voller 720px-Spalte. Skalen sind
   zentriert und bleiben unangetastet; das Formular-Grid behält seine
   zwei Spalten (Selektoren zielen nur auf die Einzelfrage-Ebene). */
.sv-question .sv-opt-list,
.sv-question .sv-mt-list,
.sv-question .sv-mt-add,
.sv-question > .sv-input,
.sv-question > .sv-textarea { max-width: 640px; }

/* Directional entry — transform/opacity only */
.sv-anim-fwd { animation: svInFwd 0.32s var(--sv-ease); }
.sv-anim-back { animation: svInBack 0.32s var(--sv-ease); }
@keyframes svInFwd {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes svInBack {
    from { opacity: 0; transform: translateY(-14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Kicker / question head ──────────────────────────────────────────────── */
.sv-question { padding-top: 4px; }
.sv-kicker {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--sv-brand-strong);
    margin-bottom: 10px;
}
.sv-q-head { margin-bottom: 26px; }
.sv-q-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.35;
    color: var(--sv-ink);
    overflow-wrap: anywhere;
}
.sv-q-title:focus { outline: none; }
.sv-q-desc {
    margin-top: 10px;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--sv-muted);
    max-width: 62ch;
    overflow-wrap: anywhere;
}
.sv-q-required { color: var(--sv-brand); font-weight: 700; }

/* ── Hidden control inputs (native, focusable) ───────────────────────────── */
.sv-scale-opt input,
.sv-yn-opt input,
.sv-opt input {
    position: absolute;
    opacity: 0;
    width: 1px; height: 1px;
    margin: 0;
    pointer-events: none;
}

/* ── Likert scale ────────────────────────────────────────────────────────── */
.sv-scale {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 6px 0;
}
.sv-scale-opt { position: relative; display: block; }
.sv-scale-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1.5px solid var(--sv-line);
    background: var(--sv-card);
    color: var(--sv-muted);
    font-size: 0.95rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    user-select: none;
    transition: transform 0.18s var(--sv-ease);
}
@media (hover: hover) {
    .sv-scale-opt .sv-scale-btn:hover {
        border-color: var(--sv-brand);
        color: var(--sv-brand-strong);
        background: var(--sv-brand-soft);
    }
}
.sv-scale-opt input:checked + .sv-scale-btn {
    background: var(--sv-brand);
    border-color: var(--sv-brand);
    color: var(--sv-on-brand);
    transform: scale(1.06);
}
.sv-scale-opt input:focus-visible + .sv-scale-btn {
    outline: 2px solid var(--sv-brand);
    outline-offset: 3px;
}
.sv-scale-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    margin-bottom: 8px;
    padding: 0 2px;
}
/* For the Likert row, keep the labels visually tied to the circles */
.sv-scale + .sv-scale-labels {
    width: 100%;
    max-width: 480px;
    gap: 32px;
    margin-left: auto;
    margin-right: auto;
}
.sv-scale + .sv-scale-labels span:last-child { text-align: right; }
.sv-scale-labels span {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sv-faint);
}
/* NPS-Labelzahlen: erst sichtbar, wenn die Skala mobil zweizeilig umbricht
   und die space-between-Anker ins Leere zeigen würden. */
.sv-lab-num { display: none; }
@media (max-width: 480px) {
    .sv-scale-labels--nps {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }
    .sv-scale-labels--nps span:last-child { text-align: left; }
    .sv-scale-labels--nps .sv-lab-num {
        display: inline-block;
        min-width: 16px;
        margin-right: 6px;
        color: var(--sv-muted);
        font-variant-numeric: tabular-nums;
    }
}

/* Selection pulse (transform only) */
.sv-pulse { animation: svPulse 0.35s ease-out; }
@keyframes svPulse {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.16); }
    100% { transform: scale(1.06); }
}

/* ── NPS 0–10 ────────────────────────────────────────────────────────────── */
.sv-nps {
    display: grid;
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 6px;
    padding: 6px 0;
}
.sv-nps .sv-scale-opt { display: block; }
.sv-nps .sv-scale-btn {
    width: 100%;
    min-height: 44px;
    height: auto;
    border-radius: 11px;
    font-size: 0.85rem;
}
.sv-nps .sv-scale-opt input:checked + .sv-scale-btn { transform: scale(1.04); }

/* ── Yes / No ────────────────────────────────────────────────────────────── */
.sv-yn {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 6px 0 8px;
}
.sv-yn-opt { position: relative; display: block; }
.sv-yn-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    min-width: 128px;
    padding: 12px 40px;
    border-radius: 999px;
    border: 1.5px solid var(--sv-line);
    background: var(--sv-card);
    color: var(--sv-muted);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: transform 0.18s var(--sv-ease);
}
@media (hover: hover) {
    .sv-yn-opt .sv-yn-btn:hover {
        border-color: var(--sv-brand);
        color: var(--sv-brand-strong);
        background: var(--sv-brand-soft);
    }
}
.sv-yn-opt input:checked + .sv-yn-btn {
    background: var(--sv-brand);
    border-color: var(--sv-brand);
    color: var(--sv-on-brand);
}
.sv-yn-opt input:focus-visible + .sv-yn-btn {
    outline: 2px solid var(--sv-brand);
    outline-offset: 3px;
}
.sv-yn-btn.sv-pulse { animation: svPulseFlat 0.35s ease-out; }
@keyframes svPulseFlat {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* ── Radio / checkbox option rows ────────────────────────────────────────── */
.sv-opt-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 2px 0;
}
.sv-opt {
    position: relative;
    display: flex;
    align-items: center;
    gap: 13px;
    min-height: 54px;
    padding: 14px 16px;
    border: 1.5px solid var(--sv-line);
    border-radius: var(--sv-radius);
    background: var(--sv-card);
    cursor: pointer;
    user-select: none;
    transition: transform 0.18s var(--sv-ease);
}
@media (hover: hover) {
    .sv-opt:hover { border-color: var(--sv-brand); background: var(--sv-brand-soft); }
}
.sv-opt-ind {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 22px; height: 22px;
    border: 2px solid var(--sv-line);
    border-radius: 6px;
    background: var(--sv-card);
}
.sv-opt input[type="radio"] + .sv-opt-ind { border-radius: 50%; }
.sv-opt input:checked + .sv-opt-ind {
    border-color: var(--sv-brand);
    background: var(--sv-brand);
}
.sv-opt input[type="radio"]:checked + .sv-opt-ind {
    box-shadow: inset 0 0 0 4px var(--sv-card);
}
.sv-opt input[type="checkbox"]:checked + .sv-opt-ind::after {
    content: '';
    width: 6px; height: 11px;
    margin-top: -2px;
    border: solid var(--sv-on-brand);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.sv-opt input:focus-visible + .sv-opt-ind {
    outline: 2px solid var(--sv-brand);
    outline-offset: 3px;
}
.sv-opt-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--sv-text);
    overflow-wrap: anywhere;
    min-width: 0;
}
.sv-opt input:checked ~ .sv-opt-label { color: var(--sv-ink); font-weight: 600; }
.sv-opt:has(input:checked) {
    border-color: var(--sv-brand);
    background: var(--sv-brand-soft);
}
.sv-opt.sv-pulse { animation: svPulseFlat 0.35s ease-out; }

/* Tastatur-Badge (1–9) — die Belegung existiert seit jeher im Keyboard-
   Handler, war aber unsichtbar. Nur auf Geräten mit feiner Zeigersteuerung
   und Hover; auf Touch wäre sie totes Ornament. */
.sv-key {
    display: none;
    margin-left: auto;
    flex-shrink: 0;
    min-width: 22px;
    height: 22px;
    padding: 0 5px;
    border: 1px solid var(--sv-line);
    border-radius: 6px;
    background: color-mix(in srgb, var(--sv-line) 28%, var(--sv-card));
    color: var(--sv-faint);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 20px;
    text-align: center;
}
@media (hover: hover) and (pointer: fine) and (min-width: 560px) {
    .sv-key { display: inline-block; }
    .sv-opt:hover .sv-key { border-color: var(--sv-brand-muted); color: var(--sv-brand-strong); }
    .sv-opt:has(input:checked) .sv-key { border-color: var(--sv-brand-muted); color: var(--sv-brand-strong); }
}

/* ── Text inputs ─────────────────────────────────────────────────────────── */
.sv-input,
.sv-textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--sv-line);
    border-radius: 12px;
    background: var(--sv-card);
    color: var(--sv-ink);
    font-family: inherit;
    font-size: 16px; /* prevents iOS zoom */
    line-height: 1.5;
}
.sv-textarea { min-height: 128px; resize: vertical; }
.sv-input:focus,
.sv-textarea:focus {
    outline: none;
    border-color: var(--sv-brand);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sv-brand) 14%, transparent);
}
.sv-input::placeholder,
.sv-textarea::placeholder { color: var(--sv-faint); }
.sv-input[readonly] {
    background: color-mix(in srgb, var(--sv-line) 30%, var(--sv-card));
    color: var(--sv-muted);
    cursor: not-allowed;
}

/* ── Multi-text ──────────────────────────────────────────────────────────── */
.sv-mt-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 2px 0;
}
.sv-mt-row { display: flex; align-items: center; gap: 8px; }
.sv-mt-row .sv-input { flex: 1; min-width: 0; }
.sv-mt-spacer { width: 44px; flex-shrink: 0; }
.sv-mt-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    flex-shrink: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--sv-faint);
    cursor: pointer;
}
.sv-mt-remove .sv-ico { width: 16px; height: 16px; }
.sv-mt-remove:hover { background: var(--sv-danger-soft); color: var(--sv-danger); }
.sv-mt-add {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    min-height: 44px;
    margin-top: 10px;
    padding: 9px 18px;
    border: 1.5px dashed var(--sv-line);
    border-radius: 999px;
    background: transparent;
    color: var(--sv-brand-strong);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
}
.sv-mt-add .sv-ico { width: 16px; height: 16px; }
.sv-mt-add:hover { border-color: var(--sv-brand); background: var(--sv-brand-soft); }

/* ── Follow-up context badge ─────────────────────────────────────────────── */
.sv-fu-context {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding: 12px 16px;
    border: 1px solid var(--sv-brand-muted);
    border-radius: var(--sv-radius);
    background: var(--sv-brand-soft);
}
.sv-fu-num {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px; height: 32px;
    border-radius: 9px;
    background: var(--sv-brand);
    color: var(--sv-on-brand);
    font-size: 0.85rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.sv-fu-body { min-width: 0; }
.sv-fu-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sv-brand-strong);
    margin-bottom: 1px;
}
.sv-fu-text {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--sv-ink);
    overflow-wrap: anywhere;
}

/* ── Form segment ────────────────────────────────────────────────────────── */
.sv-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 2px 0;
}
.sv-form-field { grid-column: 1 / -1; min-width: 0; }
.sv-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sv-ink);
    margin-bottom: 7px;
}
.sv-form-hint {
    font-size: 0.8rem;
    color: var(--sv-faint);
    margin: -3px 0 8px;
    line-height: 1.5;
}
.sv-field-err {
    color: var(--sv-danger);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.sv-field-err[hidden] { display: none; }
.sv-field-invalid .sv-input,
.sv-field-invalid .sv-textarea {
    border-color: var(--sv-danger);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sv-danger) 12%, transparent);
}
.sv-field-invalid .sv-opt-list,
.sv-field-invalid .sv-yn {
    border: 1px solid var(--sv-danger);
    border-radius: var(--sv-radius);
    padding: 8px;
}
.sv-form-field .sv-yn { justify-content: flex-start; }
.sv-form-field .sv-yn-btn { min-height: 48px; min-width: 104px; padding: 10px 30px; }

/* ── Segment interstitial ────────────────────────────────────────────────── */
/* Bewusst top-aligned mit identischer Kopf-Position wie Frage-Screens —
   vertikales Zentrieren ließ die Titel-Baseline beim Navigieren springen. */
.sv-seg-intro { padding-top: 4px; }
.sv-seg-intro .sv-q-head { margin-bottom: 14px; }
.sv-seg-intro .sv-rule {
    width: 44px;
    height: 3px;
    border-radius: 2px;
    background: var(--sv-brand);
    margin: 20px 0 0;
}

/* Branch-change confirm — destructive decision, calm amber (no alarm red) */
.sv-confirm .sv-kicker { color: var(--sv-warn); }
.sv-confirm .sv-rule { background: var(--sv-warn); }
.sv-confirm .sv-q-desc { color: var(--sv-text); max-width: 52ch; }

/* ── Actions (sticky bottom) ─────────────────────────────────────────────── */
.sv-actions {
    position: sticky;
    bottom: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding: 26px 0 max(16px, env(safe-area-inset-bottom));
    background: linear-gradient(to top, var(--sv-bg) 62%, transparent);
}
.sv-actions-right {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

/* Enter-Hinweis neben dem Weiter-Button — nur Desktop mit Tastaturbezug. */
.sv-enter-hint {
    display: none;
    align-items: center;
    gap: 5px;
    margin-right: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--sv-faint);
    white-space: nowrap;
}
.sv-enter-hint kbd {
    font-family: inherit;
    font-size: 0.72rem;
    padding: 1px 6px;
    border: 1px solid var(--sv-line);
    border-radius: 5px;
    background: var(--sv-card);
}
@media (hover: hover) and (pointer: fine) and (min-width: 560px) {
    .sv-enter-hint { display: inline-flex; }
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.sv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 11px 22px;
    border: none;
    border-radius: 999px;
    background: transparent;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    text-decoration: none;
    user-select: none;
    transition: transform 0.15s var(--sv-ease), opacity 0.15s var(--sv-ease);
}
.sv-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.sv-btn-primary,
.sv-app a.sv-btn-primary {
    background: var(--sv-brand);
    color: var(--sv-on-brand);
    padding: 11px 26px;
}
.sv-btn-primary:hover:not(:disabled) { transform: translateY(-1px); background: var(--sv-brand-strong); }
.sv-btn-primary:active:not(:disabled) { transform: translateY(0) scale(0.99); }
.sv-btn-ghost,
.sv-app a.sv-btn-ghost { color: var(--sv-muted); }
.sv-btn-ghost:hover:not(:disabled) { color: var(--sv-ink); background: color-mix(in srgb, var(--sv-ink) 5%, transparent); }
.sv-btn-skip {
    color: var(--sv-faint);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 11px 14px;
}
.sv-btn-skip:hover:not(:disabled) { color: var(--sv-muted); }

/* Button-embedded spinner (blocking submits) */
.sv-btn-spin {
    width: 15px; height: 15px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
    border-top-color: currentColor;
    animation: svSpin 0.7s linear infinite;
}

/* ── Intro / landing ─────────────────────────────────────────────────────── */
.sv-intro {
    justify-content: center;
    align-items: stretch;
    text-align: center;
    padding: 24px 0;
    gap: 28px;
}
.sv-logo {
    max-height: 64px;
    max-width: 200px;
    object-fit: contain;
    margin-bottom: 22px;
}
.sv-brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px; height: 58px;
    margin-bottom: 22px;
    border-radius: 18px;
    background: var(--sv-brand-soft);
    border: 1px solid var(--sv-brand-muted);
    color: var(--sv-brand-strong);
    font-size: 1.5rem;
    font-weight: 800;
}
.sv-intro-kicker {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    color: var(--sv-faint);
    margin-bottom: 24px;
}
.sv-intro-title {
    font-size: clamp(1.55rem, 5.5vw, 2.05rem);
    font-weight: 800;
    letter-spacing: -0.022em;
    line-height: 1.22;
    color: var(--sv-ink);
    max-width: 22ch;
    overflow-wrap: anywhere;
    margin-bottom: 8px;
}
.sv-intro-desc {
    margin-top: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--sv-muted);
    max-width: 46ch;
}
.sv-intro .sv-btn-primary {
    min-height: 52px;
    padding: 13px 34px;
    font-size: 1.02rem;
    margin-top: 30px;
}

/* Meta-Chips (Fragen-Anzahl, Dauer, Frist) */
.sv-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
}
.sv-meta-left { justify-content: flex-start; margin-top: 0; margin-bottom: 4px; }
.sv-meta-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 13px;
    border: 1px solid var(--sv-line);
    border-radius: 999px;
    background: var(--sv-card);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--sv-muted);
    white-space: nowrap;
}

/* ── Intro Hero + Action Card ────────────────────────────────────────── */

/* Subtle gradient background for intro stage */
.sv-app[data-stage="intro"]::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 10%, color-mix(in srgb, var(--sv-brand) 5%, transparent), transparent),
        radial-gradient(ellipse 60% 40% at 85% 80%, color-mix(in srgb, var(--sv-brand) 3%, transparent), transparent);
    pointer-events: none;
    z-index: -1;
}

.sv-intro-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 0;
}

.sv-intro-action {
    background: var(--sv-card);
    border: 1px solid var(--sv-line);
    border-radius: 20px;
    padding: 28px 24px 24px;
    box-shadow: 0 4px 32px -8px rgba(20, 20, 43, 0.07),
                0 1px 3px rgba(20, 20, 43, 0.04);
}
/* Inside the action card: full-width children, no auto-margins */
.sv-intro-action .sv-steps-wrap {
    margin-top: 0;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
}
.sv-intro-action .sv-consent {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
}
/* Divider between steps and consent when both are present */
.sv-intro-action .sv-steps-wrap + .sv-consent {
    border-top: 1px solid var(--sv-line);
    padding-top: 20px;
}
.sv-intro-action .sv-btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 22px;
}

/* Enhanced consent checkbox rows inside action card */
.sv-intro-action .sv-consent-check {
    padding: 8px 10px;
    margin: 10px -10px 0;
    border-radius: 10px;
    transition: background 0.15s ease;
}
@media (hover: hover) {
    .sv-intro-action .sv-consent-check:hover {
        background: color-mix(in srgb, var(--sv-brand) 5%, transparent);
    }
}

/* Staggered entrance animations */
@keyframes svIntroIn {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
.sv-intro-hero .sv-logo,
.sv-intro-hero .sv-brand-mark { animation: svIntroIn 0.55s var(--sv-ease) both; }
.sv-intro-hero .sv-intro-kicker { animation: svIntroIn 0.55s var(--sv-ease) 0.06s both; }
.sv-intro-hero .sv-intro-title { animation: svIntroIn 0.55s var(--sv-ease) 0.12s both; }
.sv-intro-hero .sv-intro-desc { animation: svIntroIn 0.55s var(--sv-ease) 0.18s both; }
.sv-intro-hero .sv-meta { animation: svIntroIn 0.55s var(--sv-ease) 0.24s both; }
.sv-intro-action { animation: svIntroIn 0.6s var(--sv-ease) 0.2s both; }

/* Ablauf-Stepper ("So funktioniert es") */
.sv-steps-wrap {
    width: 100%;
    max-width: 500px;
    margin: 28px auto 0;
    text-align: left;
}
.sv-steps-head {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--sv-faint);
    margin-bottom: 12px;
}
.sv-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}
.sv-step {
    position: relative;
    display: flex;
    gap: 14px;
    padding: 0 0 18px 0;
}
.sv-step:last-child { padding-bottom: 0; }
/* Verbindungslinie zwischen den Schritt-Nummern */
.sv-step::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 30px;
    bottom: 2px;
    width: 2px;
    background: var(--sv-line);
}
.sv-step:last-child::before { display: none; }
.sv-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 29px;
    height: 29px;
    border-radius: 50%;
    border: 1.5px solid var(--sv-brand-muted);
    background: var(--sv-brand-soft);
    color: var(--sv-brand-strong);
    font-size: 0.8rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.sv-step-body { min-width: 0; padding-top: 3px; }
.sv-step-title {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sv-ink);
    line-height: 1.35;
}
.sv-step-desc {
    display: block;
    margin-top: 2px;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--sv-muted);
}

/* Consent */
.sv-consent {
    width: 100%;
    max-width: 500px;
    margin: 26px auto 0;
    text-align: left;
}
.sv-consent-box {
    padding: 16px 18px;
    border: 1px solid var(--sv-brand-muted);
    border-radius: var(--sv-radius);
    background: var(--sv-brand-soft);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--sv-muted);
}
.sv-consent-head {
    font-weight: 700;
    font-size: 0.84rem;
    color: var(--sv-ink);
    margin-bottom: 8px;
}
.sv-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    margin-top: 12px;
    font-size: 0.78rem;
}
.sv-legal-links a { color: var(--sv-brand-strong); text-decoration: underline; }
.sv-consent-check {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin-top: 14px;
    padding: 6px 2px;
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--sv-muted);
}
.sv-consent-check input {
    width: 19px; height: 19px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--sv-brand);
    cursor: pointer;
}

/* ── Skeleton loading ────────────────────────────────────────────────────── */
.sv-skeleton { padding-top: 10px; }
.sv-skeleton-line {
    height: 16px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--sv-line) 55%, var(--sv-card));
    margin-bottom: 14px;
    animation: svBreathe 1.15s ease-in-out infinite alternate;
}
.sv-skeleton-line.is-title { height: 26px; width: 72%; margin-bottom: 22px; }
.sv-skeleton-line.is-block { height: 54px; border-radius: var(--sv-radius); margin-bottom: 10px; }
.sv-skeleton-line.is-short { width: 45%; }
.sv-skeleton-line:nth-child(2) { animation-delay: 0.12s; }
.sv-skeleton-line:nth-child(3) { animation-delay: 0.24s; }
.sv-skeleton-line:nth-child(4) { animation-delay: 0.36s; }
.sv-skeleton-line:nth-child(5) { animation-delay: 0.48s; }
@keyframes svBreathe {
    from { opacity: 1; }
    to   { opacity: 0.45; }
}

/* ── Saving (queue drain) interstitial ───────────────────────────────────── */
.sv-saving {
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 16px;
}
.sv-saving-spin {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 3px solid var(--sv-line);
    border-top-color: var(--sv-brand);
    animation: svSpin 0.7s linear infinite;
}
.sv-saving-title { font-size: 1.05rem; font-weight: 700; color: var(--sv-ink); }
.sv-saving-hint { font-size: 0.88rem; color: var(--sv-faint); max-width: 46ch; }
.sv-saving .sv-btn-primary { margin-top: 8px; }

/* ── Completion ──────────────────────────────────────────────────────────── */
.sv-complete {
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 24px 0;
}
.sv-complete-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 84px; height: 84px;
    margin-bottom: 22px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--sv-pop) 12%, var(--sv-card));
    color: var(--sv-pop);
    animation: svPop 0.55s var(--sv-ease);
}
.sv-complete-icon .sv-ico { width: 34px; height: 34px; }
.sv-complete-icon .sv-ico path { stroke-width: 2.4; }
@keyframes svPop {
    0%   { transform: scale(0.35); opacity: 0; }
    62%  { transform: scale(1.07); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}
.sv-complete .sv-logo { max-height: 34px; max-width: 140px; margin-bottom: 20px; }
.sv-complete .sv-meta { animation: svInFwd 0.4s var(--sv-ease) both; animation-delay: 0.22s; }
.sv-complete .sv-q-title { animation: svInFwd 0.4s var(--sv-ease) both; animation-delay: 0.1s; }
.sv-complete-text {
    margin-top: 10px;
    font-size: 0.95rem;
    color: var(--sv-muted);
    max-width: 42ch;
    animation: svInFwd 0.4s var(--sv-ease) both;
    animation-delay: 0.18s;
}
.sv-complete-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    animation: svInFwd 0.4s var(--sv-ease) both;
    animation-delay: 0.26s;
}
.sv-complete-hint {
    margin-top: 22px;
    font-size: 0.82rem;
    color: var(--sv-faint);
    animation: svInFwd 0.4s var(--sv-ease) both;
    animation-delay: 0.34s;
}

/* ── Error screen ────────────────────────────────────────────────────────── */
.sv-error-screen {
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 24px 0;
}
.sv-error-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px; height: 72px;
    margin-bottom: 20px;
    border-radius: 50%;
    background: var(--sv-danger-soft);
    color: var(--sv-danger);
}
.sv-error-icon .sv-ico { width: 30px; height: 30px; }

.sv-error-text {
    margin-top: 10px;
    font-size: 0.92rem;
    color: var(--sv-muted);
    max-width: 46ch;
    overflow-wrap: anywhere;
}
.sv-error-screen .sv-btn-primary { margin-top: 26px; }

/* ── Inline validation error ─────────────────────────────────────────────── */
.sv-inline-err {
    color: var(--sv-danger);
    font-size: 0.86rem;
    font-weight: 600;
    margin: 10px 0 0;
    animation: svInFwd 0.22s var(--sv-ease);
}

/* ── Toast ───────────────────────────────────────────────────────────────── */
.sv-toast-host {
    position: fixed;
    left: 50%;
    /* Sits above the sticky action bar so retry toasts never collide with it */
    bottom: calc(96px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    z-index: 80;
    width: min(92vw, 520px);
    display: flex;
    justify-content: center;
    pointer-events: none;
}
.sv-toast {
    display: flex;
    align-items: center;
    gap: 6px;
    max-width: 100%;
    padding: 10px 18px;
    border-radius: 13px;
    background: var(--sv-toast-bg);
    color: var(--sv-toast-text);
    font-size: 0.87rem;
    font-weight: 500;
    line-height: 1.45;
    box-shadow: var(--sv-shadow);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(12px);
    transition: transform 0.25s var(--sv-ease), opacity 0.25s var(--sv-ease);
}
.sv-toast.is-in { opacity: 1; transform: translateY(0); }
.sv-toast-msg { padding: 6px 0; }
.sv-toast-action {
    flex-shrink: 0;
    min-height: 44px;
    padding: 6px 10px;
    margin-right: -8px;
    border: none;
    background: transparent;
    color: var(--sv-toast-text);
    font-size: 0.87rem;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    white-space: nowrap;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.sv-footer {
    text-align: center;
    padding: 26px 16px calc(22px + env(safe-area-inset-bottom));
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sv-faint);
}

/* ── Desktop intro: two-column hero + action card ────────────────────── */
@media (min-width: 900px) {
    .sv-app[data-stage="intro"] .sv-main {
        max-width: 1080px;
    }
    .sv-intro {
        display: grid;
        grid-template-columns: 1fr 400px;
        align-items: start;
        text-align: left;
        gap: 56px;
        padding: 56px 0 40px;
    }
    .sv-intro-hero {
        align-items: flex-start;
        text-align: left;
        padding-top: 32px;
    }
    .sv-intro-hero .sv-intro-title {
        font-size: 2.4rem;
        max-width: 100%;
    }
    .sv-intro-hero .sv-intro-desc {
        max-width: 52ch;
    }
    .sv-intro-hero .sv-meta {
        justify-content: flex-start;
    }
    .sv-brand-mark {
        width: 64px; height: 64px;
        border-radius: 20px;
        font-size: 1.6rem;
    }
    .sv-intro-action {
        padding: 30px 28px 26px;
    }
}

/* ── Larger screens ──────────────────────────────────────────────────────── */
@media (min-width: 560px) {
    .sv-main { padding: 44px 24px 40px; }
    .sv-topbar-inner { padding: 0 24px; height: 58px; }
    .sv-q-title { font-size: 1.45rem; }
    .sv-scale { gap: 14px; }
    .sv-scale-btn { width: 54px; height: 54px; font-size: 1rem; }
    .sv-nps { gap: 8px; }
    .sv-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 18px; }
    .sv-form-field--half { grid-column: auto / span 1; }
}

/* ── Small phones ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .sv-nps { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .sv-actions { flex-wrap: wrap; }
    .sv-actions .sv-btn-primary {
        flex: 1 1 100%;
        order: -1;
        width: 100%;
    }
    .sv-actions-right { display: contents; }
    .sv-actions .sv-btn-ghost { margin-right: auto; }
    .sv-yn-opt { flex: 1 1 40%; }
    .sv-yn-btn { width: 100%; min-width: 0; padding: 12px 20px; }
}
@media (max-width: 360px) {
    .sv-main { padding-left: 14px; padding-right: 14px; }
    .sv-topbar-inner { padding: 0 14px; }
    .sv-nps { gap: 4px; }
    .sv-scale { gap: 8px; }
    .sv-scale-btn { width: 44px; height: 44px; }
    .sv-counter { display: none; }
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .sv-app *,
    .sv-app *::before,
    .sv-app *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}