/** * File: assets/css/frontend/image-converter.css * Purpose: Frontend styles for the HyperDAF Engine native Image Converter tool. * Scope: Image Converter public page only. Everything is scoped under .hdf-imgconv * (no global resets). Design tokens come from foundation/tokens.css * (--hdf-engine-*) with sensible fallbacks. * Related PHP: src/ImageConverter/Frontend/ImageConverterTemplate.php * Related JS: assets/js/frontend/image-converter.js * Security: frontend assets are inherently public — every visitor's browser must * download this file to render the tool. The security boundary is that NO * secrets ever ship in it: no API keys, nonces, endpoints or credentials. * @preserve HyperDAF Engine frontend asset header (kept in minified builds). * Package: HyperDAF Engine */ .hdf-imgconv{--hdf-ic-accent:var(--hdf-engine-color-accent);--hdf-ic-accent-hover:var(--hdf-engine-color-accent-strong);--hdf-ic-accent-ink:var(--hdf-engine-color-accent-ink);--hdf-ic-accent-soft:var(--hdf-engine-color-accent-soft);--hdf-ic-accent-faint:var(--hdf-engine-color-accent-faint);--hdf-ic-accent-border:var(--hdf-engine-color-accent-border);--hdf-ic-ink:var(--hdf-engine-color-ink);--hdf-ic-text:var(--hdf-engine-color-text);--hdf-ic-muted:var(--hdf-engine-color-text-muted);--hdf-ic-line:var(--hdf-engine-color-border);--hdf-ic-line-soft:var(--hdf-engine-color-border-subtle);--hdf-ic-card:var(--hdf-engine-color-surface);--hdf-ic-radius:var(--hdf-engine-card-radius, 1rem);--hdf-ic-btn-radius:var(--hdf-engine-button-radius, 0.625rem);--hdf-ic-font:var(--hdf-engine-font-family, system-ui, -apple-system, "Segoe UI", sans-serif);--hdf-ic-heading-font:var(--hdf-engine-font-family-heading, var(--hdf-ic-font));--hdf-ic-ease:var(--hdf-engine-motion-easing, cubic-bezier(0.2, 0, 0, 1));--hdf-ic-speed:var(--hdf-engine-motion-fast, 150ms);--hdf-ic-chevron:url("data:image/svg+xml;utf8,");max-width:min(1180px,calc(100% - 40px));margin-inline:auto;padding:clamp(1rem,3vw,2.5rem) clamp(1rem,3vw,2rem);font-family:var(--hdf-ic-font);color:var(--hdf-ic-text);line-height:var(--hdf-engine-line-height-base, 1.6);box-sizing:border-box}.hdf-imgconv *,.hdf-imgconv ::after,.hdf-imgconv ::before{box-sizing:inherit}body.hdf-imgconv-page header.hdf-page-header{display:none}body.hdf-imgconv-page main.hdf-page{padding-top:16px}body.hdf-imgconv-page article.hdf-page-entry{padding-top:0;width:100%}body.hdf-imgconv-page section#hdf-imgconv.hdf-imgconv{padding-top:16px}body.hdf-imgconv-page .hdf-imgconv__hero{padding-top:0}.hdf-imgconv__hero{text-align:center;padding:clamp(1rem,3vw,2rem) 1rem 0}.hdf-imgconv__badges{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:0 0 1.1rem;padding:0}.hdf-imgconv__badge{display:inline-flex;align-items:center;font-size:var(--hdf-engine-font-size-xs, .75rem);font-weight:var(--hdf-engine-font-weight-semibold,600);letter-spacing:var(--hdf-engine-letter-spacing-wide, .04em);text-transform:uppercase;color:var(--hdf-ic-accent-ink);background:var(--hdf-ic-accent-soft);border-radius:var(--hdf-engine-radius-pill,999rem)}.hdf-imgconv__title{margin:0 0 .75rem;font-family:var(--hdf-ic-heading-font);font-size:clamp(2rem, 5vw, 3rem);font-weight:var(--hdf-engine-font-weight-extrabold,800);letter-spacing:var(--hdf-engine-letter-spacing-tight, -.02em);line-height:1.15;color:var(--hdf-ic-ink)}.hdf-imgconv__title-accent{background:linear-gradient(135deg,var(--hdf-engine-color-accent-gradient-from),var(--hdf-engine-color-accent-gradient-to));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.hdf-imgconv__sub{margin:0 auto 1.25rem;max-width:44rem;font-size:var(--hdf-engine-font-size-lg, 1.125rem);color:var(--hdf-ic-muted)}.hdf-imgconv__pills{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:0;padding:0;list-style:none}.hdf-imgconv__pill{display:inline-flex;align-items:center;gap:.45rem;font-size:var(--hdf-engine-font-size-sm, .875rem);font-weight:var(--hdf-engine-font-weight-medium,500);color:var(--hdf-ic-accent-ink);background:var(--hdf-ic-accent-faint);border:1px solid var(--hdf-ic-accent-border);border-radius:var(--hdf-engine-radius-pill,999rem)}.hdf-imgconv__pill::before{content:"";width:.4rem;height:.4rem;flex:0 0 auto;border-radius:50%;background:var(--hdf-ic-accent)}.hdf-imgconv__drop{margin-top:1.75rem;padding:clamp(2.25rem,5vw,3.75rem) 1.5rem;text-align:center;background:var(--hdf-ic-accent-faint);border:2px dashed var(--hdf-ic-accent-border);border-radius:var(--hdf-ic-radius);cursor:pointer;transition:border-color var(--hdf-ic-speed) var(--hdf-ic-ease),background-color var(--hdf-ic-speed) var(--hdf-ic-ease),box-shadow var(--hdf-ic-speed) var(--hdf-ic-ease)}.hdf-imgconv__drop:hover{border-color:var(--hdf-ic-accent);background:var(--hdf-ic-accent-soft)}.hdf-imgconv__drop.is-dragover{border-style:solid;border-color:var(--hdf-ic-accent);background:var(--hdf-ic-accent-soft);box-shadow:inset 0 0 0 4px rgba(124,58,237,.15)}.hdf-imgconv__drop:focus-visible{outline:3px solid var(--hdf-engine-color-focus);outline-offset:2px}.hdf-imgconv__drop-title{margin:0 0 .35rem;font-family:var(--hdf-ic-heading-font);font-size:var(--hdf-engine-font-size-xl, 1.25rem);font-weight:var(--hdf-engine-font-weight-bold,700);color:var(--hdf-ic-ink)}.hdf-imgconv__drop-or{display:block;margin:0 0 1rem;font-size:var(--hdf-engine-font-size-sm, .875rem);color:var(--hdf-ic-muted)}.hdf-imgconv__browse{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:var(--hdf-engine-button-height-md,2.75rem);padding:.65rem 1.75rem;font-family:var(--hdf-ic-font);font-size:var(--hdf-engine-font-size-md, 1rem);font-weight:var(--hdf-engine-font-weight-semibold,600);line-height:1.25;color:var(--hdf-engine-color-text-inverse);background:var(--hdf-ic-accent);border:1px solid transparent;border-radius:var(--hdf-ic-btn-radius);cursor:pointer;transition:background-color var(--hdf-ic-speed) var(--hdf-ic-ease),box-shadow var(--hdf-ic-speed) var(--hdf-ic-ease)}.hdf-imgconv__browse:hover{background:var(--hdf-ic-accent-hover)}.hdf-imgconv__browse:focus-visible{outline:3px solid var(--hdf-engine-color-focus);outline-offset:2px}.hdf-imgconv__hint{margin:1rem 0 0;font-size:var(--hdf-engine-font-size-sm, .875rem);color:var(--hdf-ic-muted)}.hdf-imgconv__btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:var(--hdf-engine-button-height-md,2.75rem);padding:.625rem 1.4rem;font-family:var(--hdf-ic-font);font-size:var(--hdf-engine-font-size-sm, .875rem);font-weight:var(--hdf-engine-font-weight-semibold,600);line-height:1.25;text-decoration:none;border:1px solid transparent;border-radius:var(--hdf-ic-btn-radius);cursor:pointer;transition:background-color var(--hdf-ic-speed) var(--hdf-ic-ease),border-color var(--hdf-ic-speed) var(--hdf-ic-ease),color var(--hdf-ic-speed) var(--hdf-ic-ease),opacity var(--hdf-ic-speed) var(--hdf-ic-ease)}.hdf-imgconv__btn--primary{color:var(--hdf-engine-color-text-inverse);background:var(--hdf-ic-accent);box-shadow:var(--hdf-engine-shadow-sm,0 1px 2px rgba(16,24,40,.08))}.hdf-imgconv__btn--primary:hover:not(:disabled){background:var(--hdf-ic-accent-hover)}.hdf-imgconv__btn--ghost{color:var(--hdf-ic-accent-ink);background:var(--hdf-ic-card);border-color:var(--hdf-ic-accent-border)}.hdf-imgconv__btn--ghost:hover:not(:disabled){color:var(--hdf-ic-accent-hover);background:var(--hdf-ic-accent-faint);border-color:var(--hdf-ic-accent)}.hdf-imgconv__btn--danger-ghost{color:var(--hdf-engine-color-danger-text);background:0 0;border-color:var(--hdf-ic-line)}.hdf-imgconv__btn--danger-ghost:hover:not(:disabled){background:var(--hdf-engine-color-danger-soft);border-color:var(--hdf-engine-color-danger)}.hdf-imgconv__btn:disabled{opacity:var(--hdf-engine-opacity-disabled, .55);cursor:not-allowed}.hdf-imgconv__btn:focus-visible{outline:3px solid var(--hdf-engine-color-focus);outline-offset:2px}.hdf-imgconv__btn--sm{min-height:var(--hdf-engine-button-height-sm,2.25rem);padding:.4rem .95rem;font-size:var(--hdf-engine-font-size-xs, .75rem)}.hdf-imgconv #hdf-imgconv-add{color:var(--hdf-engine-color-text-inverse);background:var(--hdf-ic-accent);border-color:transparent}.hdf-imgconv #hdf-imgconv-add:hover:not(:disabled){background:var(--hdf-ic-accent-hover)}.hdf-imgconv__settings{margin-top:1.75rem;background:var(--hdf-ic-card);border:var(--hdf-engine-card-border,1px solid var(--hdf-ic-line));border-radius:var(--hdf-ic-radius);padding:clamp(1.25rem,2.5vw,2rem);box-shadow:var(--hdf-engine-shadow-sm,0 1px 2px rgba(16,24,40,.05))}.hdf-imgconv__settings-title{margin:0 0 1.25rem;font-family:var(--hdf-ic-heading-font);font-size:var(--hdf-engine-font-size-xl, 1.25rem);font-weight:var(--hdf-engine-font-weight-bold,700);color:var(--hdf-ic-ink)}.hdf-imgconv__settings-grid{display:grid;grid-template-columns:1fr 1.4fr 1.35fr 1fr 0.6fr;gap:16px;align-items:start}.hdf-imgconv__settings-grid>.hdf-imgconv__field{margin:0}.hdf-imgconv__settings-grid>.hdf-imgconv__custom-size:not([hidden]){grid-column:1/-1}.hdf-imgconv__field{display:flex;flex-direction:column;gap:.5rem;min-width:0;margin:0 0 1.25rem}.hdf-imgconv__label{font-size:var(--hdf-engine-font-size-sm, .875rem);font-weight:var(--hdf-engine-font-weight-semibold,600);color:var(--hdf-ic-ink)}.hdf-imgconv__label-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.hdf-imgconv__cformat,.hdf-imgconv__csize,.hdf-imgconv__select{width:100%;min-height:var(--hdf-engine-control-height-md,2.75rem);padding:.6rem .9rem;padding-inline-end:2.5rem;font-family:var(--hdf-ic-font);font-size:var(--hdf-engine-font-size-sm, .875rem);font-weight:var(--hdf-engine-font-weight-medium,500);color:var(--hdf-ic-text);background-color:var(--hdf-ic-card);background-image:var(--hdf-ic-chevron);background-repeat:no-repeat;background-position:right .9rem center;border:1px solid var(--hdf-ic-line);border-radius:var(--hdf-engine-control-radius,.5rem);appearance:none;cursor:pointer;transition:border-color var(--hdf-ic-speed) var(--hdf-ic-ease),box-shadow var(--hdf-ic-speed) var(--hdf-ic-ease)}[dir=rtl] .hdf-imgconv .hdf-imgconv__cformat,[dir=rtl] .hdf-imgconv .hdf-imgconv__csize,[dir=rtl] .hdf-imgconv .hdf-imgconv__select{background-position:left .9rem center}.hdf-imgconv__cformat:hover,.hdf-imgconv__csize:hover,.hdf-imgconv__select:hover{border-color:var(--hdf-ic-accent-border)}.hdf-imgconv__cformat:focus-visible,.hdf-imgconv__csize:focus-visible,.hdf-imgconv__number:focus-visible,.hdf-imgconv__select:focus-visible{outline:0;border-color:var(--hdf-ic-accent);box-shadow:0 0 0 3px rgba(124,58,237,.18)}.hdf-imgconv__crange,.hdf-imgconv__range{width:100%;min-height:2.5rem;accent-color:var(--hdf-ic-accent);cursor:pointer}.hdf-imgconv__crange{flex:1;min-width:0}.hdf-imgconv__range-val{min-width:3.5rem;padding:.3rem .8rem;text-align:center;font-size:var(--hdf-engine-font-size-sm, .875rem);font-weight:var(--hdf-engine-font-weight-bold,700);font-variant-numeric:tabular-nums;color:var(--hdf-ic-accent-ink);background:var(--hdf-ic-accent-soft);border-radius:var(--hdf-engine-radius-pill,999rem)}.hdf-imgconv__tip{margin:1.25rem 0 0;padding:.85rem 1rem;font-size:var(--hdf-engine-font-size-sm, .875rem);color:var(--hdf-ic-accent-ink);background:var(--hdf-ic-accent-faint);border:1px solid var(--hdf-ic-accent-border);border-radius:var(--hdf-engine-radius-md,.5rem)}.hdf-imgconv__custom-size{display:flex;align-items:flex-end;gap:.6rem;margin:0 0 1.25rem}.hdf-imgconv__custom-size .hdf-imgconv__field{flex:1;margin:0}.hdf-imgconv__custom-size[hidden]{display:none}.hdf-imgconv__number{width:100%;min-height:var(--hdf-engine-control-height-md,2.75rem);padding:.6rem .9rem;font-family:var(--hdf-ic-font);font-size:var(--hdf-engine-font-size-sm, .875rem);color:var(--hdf-ic-text);background:var(--hdf-ic-card);border:1px 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