/* KnowU shared styles — warm, personal, editorial-but-calm survey product */

:root {
  --bg: #F6F3FB;
  --surface: #FFFFFF;
  --surface-border: #E8E2F3;
  --text: #211D2E;
  --text-muted: #6C6479;
  --accent: #9C1F52;
  --accent-dark: #7E1941;
  --accent-tint: #F3E4EC;
  --pill-bg: #EDE7F7;
  --pill-bg-hover: #E3DBF3;
  --pill-selected-bg: #9C1F52;
  --pill-selected-text: #FFFFFF;
  --track: #EAE4F5;
  --danger: #B3261E;
  --focus: #6D4AFF;
  --radius-card: 16px;
  --radius-pill: 999px;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #19151F;
    --surface: #231D2C;
    --surface-border: #342B40;
    --text: #F1EDF8;
    --text-muted: #AFA6BF;
    --accent: #E8558F;
    --accent-dark: #F17CA8;
    --accent-tint: #3A2430;
    --pill-bg: #2E2638;
    --pill-bg-hover: #3A3046;
    --pill-selected-bg: #E8558F;
    --pill-selected-text: #211021;
    --track: #2E2638;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #19151F;
  --surface: #231D2C;
  --surface-border: #342B40;
  --text: #F1EDF8;
  --text-muted: #AFA6BF;
  --accent: #E8558F;
  --accent-dark: #F17CA8;
  --accent-tint: #3A2430;
  --pill-bg: #2E2638;
  --pill-bg-hover: #3A3046;
  --pill-selected-bg: #E8558F;
  --pill-selected-text: #211021;
  --track: #2E2638;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body {
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

a { color: var(--accent); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding-block: 32px 80px;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}
.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}
.wordmark .u { color: var(--accent); }
.site-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-left: 4px;
}
.header-link {
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--surface-border);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--surface);
}
.header-link:hover { background: var(--pill-bg); }

h1, h2, h3 {
  font-family: var(--font-display);
  text-wrap: balance;
  margin: 0 0 12px;
}
h1 { font-size: clamp(2rem, 5vw, 2.75rem); font-weight: 600; }
h2.section-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 40px 0 16px;
}
p.lede {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 62ch;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 8px;
}
.progress-track {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--track);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.25s ease;
  width: 0%;
}
.progress-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
hr.divider {
  border: none;
  border-top: 1px solid var(--surface-border);
  margin: 20px 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 22px 24px;
  margin-bottom: 16px;
}
.q-number { color: var(--accent); font-weight: 700; }
.q-text { font-weight: 600; font-size: 1.02rem; margin: 0 0 4px; }
.q-note { color: var(--text-muted); font-size: 0.88rem; margin: 0 0 14px; }

input[type="text"], textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--text);
  resize: vertical;
}
input[type="text"]:focus, textarea:focus {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}
textarea { min-height: 96px; }

.pill-group { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  background: var(--pill-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-body);
}
.pill:hover { background: var(--pill-bg-hover); }
.pill:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.pill.selected {
  background: var(--pill-selected-bg);
  color: var(--pill-selected-text);
}

.scale-row { display: flex; flex-wrap: wrap; gap: 8px; }
.scale-btn {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--pill-bg);
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-body);
}
.scale-btn:hover { background: var(--pill-bg-hover); }
.scale-btn.selected { background: var(--pill-selected-bg); color: var(--pill-selected-text); }
.scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.twoup-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.twoup-btn {
  padding: 18px 12px;
  border-radius: 12px;
  background: var(--pill-bg);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-body);
}
.twoup-btn:hover { background: var(--pill-bg-hover); }
.twoup-btn.selected { background: var(--pill-selected-bg); color: var(--pill-selected-text); }
@media (max-width: 420px) {
  .twoup-row { grid-template-columns: 1fr; }
}

.cta-box {
  background: var(--accent-tint);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  margin-top: 28px;
}
.cta-box h3 { margin-bottom: 8px; }
.cta-box p { color: var(--text-muted); margin: 0 0 18px; }

button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 14px 26px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-body);
}
button.primary:hover { background: var(--accent-dark); }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
}
button.secondary:hover { background: var(--pill-bg); }

button.ghost-icon {
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-body);
}
button.ghost-icon:hover { color: var(--danger); border-color: var(--danger); }

.copy-link-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin: 10px 0 2px;
}
.copy-link-row input {
  flex: 1;
  min-width: 0;
  font-size: 0.85rem;
  background: var(--surface);
}
.copy-link-row button {
  flex: none;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--text-muted);
}
.badge.warn { background: #FBE7D7; color: #8A4B10; }
:root[data-theme="dark"] .badge.warn,
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .badge.warn { background: #3B2B18; color: #F0B372; } }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 12px);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

footer.site-footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--surface-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

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