/* spark+spine Feedback: seitenspezifische Stile. Lädt nach ss-tokens.css und ss-bundle.css. */

:root {
  /* Likert-Skala: divergierend Watermelon (Ablehnung) bis Cyan (Zustimmung), neutrale Mitte.
     Geprüft mit dem Paletten-Validator (dataviz) gegen den dunklen und hellen Grund. */
  /* Zustimmungsskala aus Markenfarben: Watermelon (Ablehnung) bis Cyan (Zustimmung), Mitte neutral.
     Zwischenstufen als Mischung mit dem Grund, damit keine eigenen Hex-Werte entstehen. */
  --lk-1: var(--ss-watermelon);
  --lk-2: color-mix(in srgb, var(--ss-watermelon) 50%, var(--ss-bg));
  --lk-3: var(--ss-gunmetal);
  --lk-4: color-mix(in srgb, var(--ss-cyan) 50%, var(--ss-bg));
  --lk-5: var(--ss-cyan);
  --lk-ink-1: var(--ss-onyx);
  --lk-ink-3: var(--ss-platinum);
  --wrap: 760px;
}
[data-theme="light"] { --lk-3: var(--ss-platinum); --lk-ink-3: var(--ss-onyx); }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ss-bg); color: var(--ss-fg); }
body { font-family: var(--font-body); font-weight: 300; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.fb-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px; max-width: var(--wrap); margin: 0 auto; }
.fb-logo { display: inline-flex; padding: 6px 0; line-height: 0; }
.fb-logo img { height: 24px; width: auto; display: block; }
.fb-logo-light { display: none !important; }
[data-theme="light"] .fb-logo-dark { display: none !important; }
[data-theme="light"] .fb-logo-light { display: block !important; }
.fb-top-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ss-fg-subtle); letter-spacing: 0.08em; text-transform: uppercase; }

.fb-main { max-width: var(--wrap); margin: 0 auto; padding: 8px 16px 96px; }
.fb-hero h1 { font-family: var(--font-display); font-weight: 200; font-size: clamp(30px, 6vw, 44px); line-height: 1.15; letter-spacing: -0.02em; margin: 8px 0 12px; }
.fb-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 0 0 24px; padding: 0; list-style: none; font-family: var(--font-mono); font-size: 13px; color: var(--ss-fg-muted); }
.fb-meta li span { color: var(--ss-fg-subtle); margin-right: 6px; }
.fb-lead { font-size: 18px; max-width: 60ch; margin: 0 0 24px; }
.fb-points { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 12px; }
.fb-points li { display: flex; gap: 12px; align-items: baseline; color: var(--ss-fg-muted); }
.fb-points li::before { content: ""; flex: 0 0 8px; height: 8px; margin-top: 8px; background: var(--ss-lemon); border-radius: 2px; }
[data-theme="light"] .fb-points li::before { background: var(--ss-onyx); }

/* Fortschritt */
.fb-progress { position: sticky; top: 0; z-index: var(--ss-z-sticky); background: var(--ss-bg); padding: 12px 0; margin: 0 0 16px; border-bottom: 1px solid var(--ss-border); }
.fb-progress-row { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--ss-fg-muted); margin-bottom: 8px; letter-spacing: 0.08em; }
.fb-progress-bar { height: 4px; background: var(--ss-surface-2); border-radius: 2px; overflow: hidden; }
.fb-progress-bar i { display: block; height: 100%; width: 0; background: var(--ss-lemon); border-radius: 2px; transition: width var(--ss-transition-medium); }

.fb-section h2 { font-family: var(--font-display); font-weight: 200; font-size: clamp(26px, 5vw, 34px); letter-spacing: -0.02em; line-height: 1.2; margin: 8px 0 24px; }

/* Fragen */
.fb-q { margin: 0 0 32px; padding: 0; border: 0; }
.fb-q > legend, .fb-q-title { display: block; font-family: var(--font-display); font-weight: 400; font-size: 18px; line-height: 1.4; margin: 0 0 12px; padding: 0; color: var(--ss-fg); }
.fb-req { color: var(--ss-lemon); margin-left: 4px; }
[data-theme="light"] .fb-req { color: var(--ss-onyx); }
.fb-opt { font-family: var(--font-mono); font-size: 12px; color: var(--ss-fg-subtle); margin-left: 8px; letter-spacing: 0.08em; }

.fb-item { margin: 0 0 12px; padding: 16px; background: var(--ss-surface); border: 1px solid var(--ss-border); border-radius: var(--ss-comp-radius-lg); }
.fb-item[data-invalid] { border-color: var(--ss-watermelon); }
.fb-item-text { margin: 0 0 12px; font-weight: 400; font-size: 16px; }
.fb-scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 0; padding: 0; border: 0; }
.fb-scale label { position: relative; display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 6px 4px; text-align: center;
  border: 1px solid var(--ss-border-strong); border-radius: var(--ss-comp-radius-md); cursor: pointer; font-family: var(--font-display); font-weight: 400; font-size: 13px; line-height: 1.2; color: var(--ss-fg-muted);
  transition: background var(--ss-transition-fast), color var(--ss-transition-fast), border-color var(--ss-transition-fast); }
.fb-scale input { position: absolute; opacity: 0; pointer-events: none; }
.fb-scale label:hover { color: var(--ss-fg); border-color: var(--ss-fg-muted); }
.fb-scale input:checked + span { color: var(--ss-on-lemon); }
.fb-scale label:has(input:checked) { background: var(--ss-lemon); border-color: var(--ss-lemon); color: var(--ss-on-lemon); font-weight: 600; }
[data-theme="light"] .fb-scale label:has(input:checked) { background: var(--ss-onyx); border-color: var(--ss-onyx); color: var(--ss-off-white); }
.fb-scale label:has(input:focus-visible) { box-shadow: var(--ss-focus-ring-offset), var(--ss-focus-ring); }
.fb-scale .lg { display: none; }
@media (min-width: 640px) { .fb-scale .sm { display: none; } .fb-scale .lg { display: inline; } }

.fb-nps { display: grid; grid-template-columns: repeat(11, 1fr); gap: 4px; }
.fb-nps label { min-height: 48px; font-family: var(--font-mono); font-size: 15px; }
/* Handy: zwei volle Reihen, 0 bis 5 und 6 bis 10 */
@media (max-width: 520px) {
  .fb-nps { grid-template-columns: repeat(30, 1fr); }
  .fb-nps label { grid-column: span 5; }
  .fb-nps label:nth-child(n+7) { grid-column: span 6; }
}
.fb-nps-ends { display: flex; justify-content: space-between; margin-top: 8px; font-size: 13px; color: var(--ss-fg-muted); font-weight: 400; }

.fb-text { width: 100%; min-height: 96px; resize: vertical; font: inherit; font-weight: 400; color: var(--ss-fg); background: var(--ss-surface); border: 1px solid var(--ss-border-strong);
  border-radius: var(--ss-comp-radius-md); padding: 12px 14px; }
.fb-text:focus { outline: none; border-color: var(--ss-accent); box-shadow: var(--ss-focus-ring-offset), var(--ss-focus-ring); }
.fb-count { display: block; text-align: right; font-family: var(--font-mono); font-size: 12px; color: var(--ss-fg-subtle); margin-top: 4px; }

.fb-error { margin: 0 0 24px; padding: 12px 16px; border-left: 2px solid var(--ss-watermelon); background: var(--ss-surface); font-weight: 400; }
.fb-hinweis { margin: 0 0 24px; padding: 12px 16px; border-left: 2px solid var(--ss-cyan); background: var(--ss-surface); font-weight: 400; }
.fb-nav { display: flex; gap: 12px; justify-content: space-between; align-items: center; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--ss-border); }
.fb-nav .ss-btn { min-width: 132px; justify-content: center; }
.fb-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.fb-done { text-align: left; padding-top: 24px; }
.fb-done h1 { font-family: var(--font-display); font-weight: 200; font-size: clamp(32px, 6vw, 48px); letter-spacing: -0.02em; margin: 8px 0 16px; }
.fb-footer { max-width: var(--wrap); margin: 0 auto; padding: 24px 16px 40px; font-family: var(--font-mono); font-size: 12px; color: var(--ss-fg-subtle); border-top: 1px solid var(--ss-border); }
.fb-footer a { color: inherit; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }