/* ==========================================================================
   QR Code Generator — page styles (loaded on that page only).
   Built on the theme's design tokens (--accent, --glass-*, --radius-*, fonts);
   no new palette is introduced.
   ========================================================================== */

/* Hero --------------------------------------------------------------------- */
.qr-hero { position: relative; isolation: isolate; overflow: hidden; padding: calc(var(--header-h) + clamp(40px, 6vw, 88px)) 0 clamp(28px, 4vw, 48px); }
.qr-hero__glow { position: absolute; width: 60vmax; height: 60vmax; inset-inline-end: -26vmax; top: -30vmax; background: radial-gradient(closest-side, var(--accent-soft), transparent 70%); opacity: 0.6; }
.qr-hero__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; margin-bottom: 18px; }
.qr-hero__top .eyebrow { margin: 0; }
.qr-hero__title { font-size: clamp(2.2rem, 4.8vw, 4.6rem); line-height: var(--lh-head); max-width: 18ch; margin: 0; }
.qr-hero__lead { max-width: 60ch; margin: 22px 0 0; font-size: clamp(1.02rem, 0.5vw + 0.92rem, 1.2rem); color: var(--text-2); }

.qr-lang { display: inline-flex; align-items: center; gap: 6px; padding: 4px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 0.8rem; font-family: var(--font-body); }
.qr-lang span { color: var(--muted); }
.qr-lang a { display: inline-grid; place-items: center; min-width: 40px; min-height: 32px; padding: 0 10px; border-radius: 999px; color: var(--text-2); letter-spacing: 0.06em; transition: background-color var(--dur-micro, .2s), color var(--dur-micro, .2s); }
.qr-lang a:hover { color: var(--text); }
.qr-lang a[aria-current="page"] { background: var(--accent-soft); color: var(--text); }

.qr-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 0; padding: 0; list-style: none; }
.qr-badges li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--glass-1); font-size: 0.86rem; color: var(--text-2); }
.qr-badges .icon { color: var(--accent); flex: none; }

/* App layout: mobile = input → preview → customize; desktop = 2 columns ------ */
.qr-app-wrap { padding-bottom: clamp(40px, 6vw, 88px); }
.qr-app { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-areas: "input" "preview" "custom"; gap: 18px; align-items: start; }
.qr-card--input { grid-area: input; }
.qr-card--preview { grid-area: preview; }
.qr-card--custom { grid-area: custom; }
@media (min-width: 1024px) {
	.qr-app { grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); grid-template-areas: "input preview" "custom preview"; gap: 22px 28px; }
	.qr-card--preview { position: sticky; top: calc(var(--header-h) + 20px); grid-row: 1 / span 2; }
}

.qr-card { min-width: 0; border-radius: var(--radius-xl); padding: clamp(20px, 2.6vw, 34px); display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.qr-card__title { display: flex; align-items: center; gap: 12px; margin: 0; font-size: clamp(1.2rem, 1.5vw, 1.5rem); }
.qr-card__title--sm { font-size: 1.05rem; color: var(--text-2); font-weight: 600; }
.qr-card__dot { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); flex: none; }

.qr-field { display: grid; gap: 8px; min-width: 0; }
.qr-label { padding: 0; font-size: 0.9rem; color: var(--text-2); }
.qr-hint { margin: 0; font-size: 0.8rem; color: var(--muted); line-height: 1.6; }
.qr-error { margin: 0; font-size: 0.85rem; color: #ef8a78; line-height: 1.6; }
.qr-warn { margin: 0; padding: 10px 12px; border: 1px solid rgba(240, 180, 90, 0.35); border-radius: var(--radius); background: rgba(240, 180, 90, 0.08); font-size: 0.82rem; line-height: 1.6; color: #f3c98b; }
.qr-error:empty, .qr-warn:empty, .qr-status:empty, .qr-meta:empty { display: none; }

.qr-url-group { display: flex; align-items: center; min-width: 0; min-height: 56px; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: rgba(0, 0, 0, 0.28); transition: border-color var(--dur-micro, .2s), background-color var(--dur-micro, .2s); }
.qr-url-group:hover { border-color: rgba(255, 255, 255, 0.28); }
.qr-url-group:focus-within { border-color: var(--accent); background: rgba(0, 0, 0, 0.38); }
.qr-field.has-error .qr-url-group { border-color: #e06c5a; }
.qr-url-group__ico { display: grid; place-items: center; padding: 0 4px 0 16px; color: var(--muted); }
.qr-url { flex: 1 1 0; width: 100%; min-width: 0; height: 54px; padding: 0 16px 0 10px; border: 0; background: transparent; color: var(--text); font: 500 1rem/1 var(--font-body); text-align: left; }
.qr-url::placeholder { color: var(--muted); opacity: 0.8; }
.qr-url:focus { outline: none; }

.qr-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.qr-generate { flex: 1 1 220px; justify-content: center; }
.qr-reset { flex: 0 0 auto; }

/* Preview ------------------------------------------------------------------ */
.qr-stage { display: grid; place-items: center; padding: clamp(14px, 2vw, 22px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: radial-gradient(120% 120% at 50% 0%, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0.25)); }
.qr-canvas { position: relative; width: 100%; max-width: 340px; aspect-ratio: 1; border-radius: 14px; overflow: hidden; display: grid; place-items: center; }
.qr-canvas svg { display: block; width: 100%; height: 100%; }
.qr-canvas.is-ready { box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45); animation: qr-in var(--dur-ui, .45s) var(--ease-out, ease) both; }
@keyframes qr-in { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: none; } }
.qr-empty { display: grid; justify-items: center; gap: 14px; padding: 24px; text-align: center; border: 1px dashed var(--line-strong); border-radius: 14px; width: 100%; height: 100%; align-content: center; }
.qr-empty__art { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 18px; background: var(--glass-1); color: var(--muted); }
.qr-empty__art svg { width: 36px; height: 36px; }
.qr-empty p { margin: 0; max-width: 24ch; font-size: 0.88rem; color: var(--muted); line-height: 1.6; }

.qr-status { margin: 0; font-size: 0.85rem; color: var(--text-2); text-align: center; }
.qr-meta { margin: -8px 0 0; font-size: 0.78rem; color: var(--muted); text-align: center; font-variant-numeric: tabular-nums; }
.qr-encoded { display: grid; gap: 4px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(0, 0, 0, 0.22); }
.qr-encoded[hidden] { display: none; }
.qr-encoded__label { font-size: 0.74rem; color: var(--muted); }
.qr-encoded__val { display: block; font: 500 0.88rem/1.5 var(--font-body); color: var(--text); text-align: left; overflow-wrap: anywhere; max-height: 4.5em; overflow: hidden; }

.qr-downloads { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.qr-downloads .btn { justify-content: center; min-width: 0; }
.qr-downloads [data-qr-dl="png"] { grid-column: 1 / -1; }
.qr-dl:disabled, .qr-chip:disabled { opacity: 0.42; cursor: not-allowed; pointer-events: none; }

.qr-secondary { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.qr-chip { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; color: var(--text-2); font: 500 0.88rem/1 var(--font-text); cursor: pointer; transition: border-color var(--dur-micro, .2s), color var(--dur-micro, .2s), background-color var(--dur-micro, .2s); }
.qr-chip[hidden] { display: none; }
.qr-chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.32); }
.qr-chip.is-done { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.qr-chip .icon { color: var(--accent); }

.qr-static-note { display: flex; gap: 10px; margin: 0; padding-top: 14px; border-top: 1px solid var(--line); font-size: 0.8rem; line-height: 1.7; color: var(--muted); }
.qr-static-note .icon { flex: none; margin-top: 3px; color: var(--accent); }

/* Customization ------------------------------------------------------------ */
.qr-seg-field { display: grid; gap: 10px; min-width: 0; margin: 0; padding: 0; border: 0; }
.qr-seg { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 4px; padding: 4px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(0, 0, 0, 0.25); }
.qr-seg__input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.qr-seg__btn { display: grid; place-items: center; min-height: 42px; padding: 0 8px; border-radius: calc(var(--radius) - 4px); color: var(--text-2); font-size: 0.86rem; font-variant-numeric: tabular-nums; text-align: center; line-height: 1.25; cursor: pointer; transition: background-color var(--dur-micro, .2s), color var(--dur-micro, .2s); }
.qr-seg__btn:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.qr-seg__input:checked + .qr-seg__btn { background: var(--accent); color: #fff; font-weight: 600; }
.qr-seg__input:focus-visible + .qr-seg__btn { outline: 2px solid var(--accent); outline-offset: 2px; }

.qr-presets { display: flex; flex-wrap: wrap; gap: 10px; }
.qr-preset { position: relative; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--p-bg); cursor: pointer; overflow: hidden; transition: transform var(--dur-micro, .2s), border-color var(--dur-micro, .2s); }
.qr-preset span { position: absolute; inset: 10px; border-radius: 4px; background: conic-gradient(var(--p-fg) 0 25%, transparent 0 50%, var(--p-fg) 0 75%, transparent 0) 0 0 / 50% 50%; box-shadow: 0 0 0 3px var(--p-fg) inset; }
.qr-preset:hover { transform: translateY(-2px); }
.qr-preset[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }

.qr-colors { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 12px; align-items: end; }
.qr-color { display: grid; gap: 6px; min-width: 0; }
.qr-color__label { font-size: 0.8rem; color: var(--muted); }
.qr-color__row { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 5px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(0, 0, 0, 0.28); }
.qr-color__row:focus-within { border-color: var(--accent); }
.qr-color__swatch { flex: none; width: 36px; height: 36px; padding: 0; border: 1px solid var(--line-strong); border-radius: 8px; background: none; cursor: pointer; }
.qr-color__swatch::-webkit-color-swatch-wrapper { padding: 0; }
.qr-color__swatch::-webkit-color-swatch { border: 0; border-radius: 7px; }
.qr-color__swatch::-moz-color-swatch { border: 0; border-radius: 7px; }
.qr-color__hex { flex: 1 1 0; width: 100%; min-width: 0; height: 36px; padding: 0 6px; border: 0; background: transparent; color: var(--text); font: 500 0.92rem/1 var(--font-body); letter-spacing: 0.04em; text-transform: uppercase; text-align: left; }
.qr-color__hex:focus { outline: none; }
.qr-color__hex.is-invalid { color: #ef8a78; }
.qr-swap { display: grid; place-items: center; width: 44px; height: 48px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: transparent; color: var(--text-2); cursor: pointer; transition: color var(--dur-micro, .2s), border-color var(--dur-micro, .2s); }
.qr-swap:hover { color: var(--text); border-color: var(--accent); }

.qr-card .btn:focus-visible, .qr-chip:focus-visible, .qr-preset:focus-visible, .qr-swap:focus-visible, .qr-lang a:focus-visible, .qr-faq summary:focus-visible, .qr-related:focus-visible, .qr-color__swatch:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.qr-credit { margin: 16px 4px 0; font-size: 0.8rem; color: var(--muted); text-align: center; }
.qr-credit a { color: var(--text-2); text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 4px; }
.qr-credit a:hover { color: var(--text); text-decoration-color: var(--accent); }

/* Content sections --------------------------------------------------------- */
.qr-h2 { font-size: clamp(1.7rem, 3vw, 2.8rem); margin: 0 0 clamp(26px, 3vw, 44px); max-width: 22ch; }
.qr-steps { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 820px) { .qr-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.qr-step { display: grid; align-content: start; gap: 10px; }
.qr-step__num { font: 500 0.85rem/1 var(--font-body); color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: 0.05em; }
.qr-step__title { margin: 0; font-size: 1.2rem; }
.qr-step__text { margin: 0; color: var(--text-2); font-size: 0.97rem; }

.qr-uses__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.qr-use { display: grid; align-content: start; gap: 8px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.02); transition: border-color var(--dur-ui, .4s), transform var(--dur-ui, .4s) var(--ease-out, ease); }
.qr-use:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.qr-use__ico { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 6px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.qr-use__title { margin: 0; font-size: 1.05rem; font-family: var(--font-text); font-weight: 600; }
.qr-use__text { margin: 0; font-size: 0.92rem; color: var(--text-2); }

.qr-faq__grid { display: grid; gap: 16px 64px; }
@media (min-width: 1024px) { .qr-faq__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: start; } }
.qr-related { display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 0.92rem; text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 5px; }
.qr-related:hover { color: var(--text); }
.qr-related .icon { color: var(--accent); }
html[dir="rtl"] .qr-related .icon { transform: scaleX(-1); }
.qr-faq__list { display: grid; gap: 10px; }
.qr-faq__item { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 0 20px; background: rgba(255, 255, 255, 0.02); transition: border-color var(--dur-ui, .4s); }
.qr-faq__item[open] { border-color: var(--line-strong); }
.qr-faq__item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; cursor: pointer; list-style: none; }
.qr-faq__item summary::-webkit-details-marker { display: none; }
.qr-faq__q { margin: 0; font-size: 1.02rem; font-weight: 600; line-height: 1.6; color: var(--text); font-family: var(--font-text); }
.qr-faq__icon { position: relative; flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-strong); transition: transform var(--dur-ui, .4s) var(--ease-out, ease), border-color var(--dur-ui, .4s); }
.qr-faq__icon::before, .qr-faq__icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 11px; height: 1px; margin: -0.5px 0 0 -5.5px; background: var(--text); }
.qr-faq__icon::after { transform: rotate(90deg); }
.qr-faq__item[open] .qr-faq__icon { transform: rotate(45deg); border-color: var(--accent-line); }
.qr-faq__a { padding-bottom: 18px; color: var(--text-2); }
.qr-faq__a p { margin: 0; }

/* Small screens ------------------------------------------------------------ */
@media (max-width: 480px) {
	.qr-card { padding: 20px 16px; border-radius: var(--radius-lg); }
	.qr-reset { flex: 1 1 100%; justify-content: center; }
	.qr-colors { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
	.qr-swap { grid-column: 1 / -1; width: 100%; height: 44px; }
	.qr-seg__btn { font-size: 0.8rem; padding: 0 4px; }
	.qr-canvas { max-width: 280px; }
}
@media (prefers-reduced-motion: reduce) {
	.qr-canvas.is-ready { animation: none; }
	.qr-faq__icon, .qr-use, .qr-preset { transition: none; }
}
/* iOS Safari zooms into inputs smaller than 16px on focus. */
@media (max-width: 767px) { .qr-url, .qr-color__hex { font-size: max(16px, 1rem); } }

/* Full-guide card (link to the tool's article) */
.ae-guide { padding: 8px 0 clamp(8px, 2vw, 24px); }
.ae-guide__card { display: grid; gap: 6px; padding: clamp(18px, 2.4vw, 28px); border: 1px solid var(--accent-line); border-radius: var(--radius-lg); background: linear-gradient(120deg, var(--accent-soft), transparent 70%); color: var(--text); transition: border-color var(--dur-ui, .4s), transform var(--dur-ui, .4s) var(--ease-out, ease); }
.ae-guide__card:hover { border-color: var(--accent); transform: translateY(-2px); }
.ae-guide__card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.ae-guide__tag { font-size: 0.76rem; color: var(--accent); letter-spacing: var(--track-label, .04em); }
.ae-guide__title { font: 600 clamp(1.1rem, 1.6vw, 1.35rem)/1.45 var(--font-text); }
.ae-guide__cta { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-2); }
html[dir="rtl"] .ae-guide__cta .icon { transform: scaleX(-1); }
@media (prefers-reduced-motion: reduce) { .ae-guide__card { transition: none; } .ae-guide__card:hover { transform: none; } }