/* ────────────────────────────────────────────────────────────────────────────
   QR Landing — Theme overrides
   Loaded AFTER qr_landing.css so html[data-theme] beats @media prefers-color-scheme.
   qr_landing.css is NOT modified — its @media block remains as the no-JS fallback.
──────────────────────────────────────────────────────────────────────────── */

/* ── Dark mode (explicit user choice or first-visit system-dark default) ── */
html[data-theme="dark"] {
  color-scheme: dark;
  --bg:                #0C0B0A;
  --surface:           #141210;
  --card:              #1A1815;
  --border:            #282420;
  --border-hover:      #3A3530;
  --text:              #ECE6DC;
  --text-muted:        #7D7470;
  --text-dim:          #433F3B;
  --accent-soft:       rgba(200, 137, 60, 0.10);
  --accent-glow:       rgba(200, 137, 60, 0.22);
  --bg-gradient:       rgba(200, 137, 60, 0.06);
  --card-shadow-inner: inset 0 1px 0 rgba(255,255,255,0.02);
  --card-shadow-outer: none;
  /* Toggle-specific tokens */
  --toggle-pill-bg:           #141210;
  --toggle-pill-border:       #282420;
  --toggle-active-circle-bg:  #1A1815;
  /* Aliases for suggestion_form.css variable names */
  --muted:             #7D7470;
  --input:             #141210;
}

/* ── Light mode (explicit user choice — overrides system-dark media query) ── */
html[data-theme="light"] {
  color-scheme: light;
  --bg:                #FDFCFB;
  --surface:           #F5F3F1;
  --card:              #FFFFFF;
  --border:            #E5E2DE;
  --border-hover:      #D5D2CE;
  --text:              #1A1815;
  --text-muted:        #5D5450;
  --text-dim:          #8D8480;
  --accent-soft:       rgba(200, 137, 60, 0.08);
  --accent-glow:       rgba(200, 137, 60, 0.15);
  --bg-gradient:       rgba(200, 137, 60, 0.04);
  --card-shadow-inner: inset 0 1px 0 rgba(255,255,255,0.5);
  --card-shadow-outer: 0 4px 20px rgba(0,0,0,0.03);
  /* Toggle-specific tokens */
  --toggle-pill-bg:           #F5F3F1;
  --toggle-pill-border:       #E5E2DE;
  --toggle-active-circle-bg:  #FFFFFF;
  /* Aliases for suggestion_form.css variable names */
  --muted:             #5D5450;
  --input:             #F5F3F1;
}

/* ────────────────────────────────────────────
   Pill Toggle
   z-index: 1000 — below toast (z-index: 1050 in qr_landing.css)
──────────────────────────────────────────── */
.theme-toggle-pill {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--toggle-pill-bg);
  border-radius: 999px;
  padding: 4px;
  border: 1px solid var(--toggle-pill-border);
  cursor: pointer;
  z-index: 1000;
  transition: border-color 0.2s ease, background 0.2s ease;
  /* Reset default button styles */
  appearance: none;
  -webkit-appearance: none;
  font-size: inherit;
  line-height: 1;
}

.theme-toggle-pill__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1rem;
  transition: background 0.2s ease;
  /* Prevent icon text from being selectable */
  user-select: none;
  -webkit-user-select: none;
}

.theme-toggle-pill__icon--active {
  background: var(--toggle-active-circle-bg);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}

/* ────────────────────────────────────────────
   Shimmer animation
──────────────────────────────────────────── */
@keyframes powered-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ────────────────────────────────────────────
   Powered-by Footer
──────────────────────────────────────────── */
.powered-by-footer {
  width: 100%;
  max-width: 480px;
  margin: 0.25rem auto 1.5rem;
  text-align: right;
  padding: 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.powered-by-footer--landing {
  max-width: 100%;
  padding: 0;
  margin: 0.5rem 0 0;
}

.powered-by-footer a {
  font-style: italic;
  text-decoration: underline;
  text-decoration-color: #C8893C;
  /* Gradient shimmer text */
  background: linear-gradient(
    90deg,
    #C8893C 0%,
    #F0B060 25%,
    #FFD08A 50%,
    #F0B060 75%,
    #C8893C 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: powered-shimmer 2.8s linear infinite;
  transition: opacity 0.18s ease;
}

.powered-by-footer a:hover {
  opacity: 0.8;
}