/* images.synchresis.net
   Deliberately large type and heavy contrast: these pages are mostly URLs,
   and URLs are read character by character. */

:root {
  color-scheme: light dark;
  --bg:        #ffffff;
  --fg:        #16191d;
  --muted:     #4a5058;
  --line:      #c8ccd2;
  --card:      #f6f7f9;
  --accent:    #1a4fd0;
  --accent-fg: #ffffff;
  --ok-bg:     #e4f6e8;
  --ok-fg:     #10431f;
  --err-bg:    #fdE7e7;
  --err-fg:    #6b1414;
  --danger:    #a3111f;
  --focus:     #b8500a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #14171b;
    --fg:        #eef1f5;
    --muted:     #aab2bd;
    --line:      #39404a;
    --card:      #1d222a;
    --accent:    #7aa5ff;
    --accent-fg: #0b0e12;
    --ok-bg:     #16351f;
    --ok-fg:     #b9efc6;
    --err-bg:    #3a1717;
    --err-fg:    #ffc9c9;
    --danger:    #ff8b8b;
    --focus:     #ffb340;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header.site, footer.site {
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--line);
}
footer.site { border-bottom: 0; border-top: 2px solid var(--line); margin-top: 3rem; }
footer.site p { color: var(--muted); margin: 0; font-size: 0.95rem; }

.brand {
  font-weight: 700; font-size: 1.15rem; color: var(--fg);
  text-decoration: none; letter-spacing: 0.01em;
}
.brand:hover, .brand:focus-visible { text-decoration: underline; }

main {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0.5rem 0 0.75rem; }
h2 { font-size: 1.3rem; margin: 0 0 0.75rem; }
p  { margin: 0 0 1rem; }
.lede { font-size: 1.05rem; color: var(--muted); max-width: 46rem; }
.muted { color: var(--muted); font-size: 0.95rem; }

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

.card {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 0 0 1.5rem;
}
.card.danger { border-color: var(--danger); }

.banner {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 2px solid transparent;
  font-weight: 600;
}
.banner.ok  { background: var(--ok-bg);  color: var(--ok-fg);  border-color: currentColor; }
.banner.err { background: var(--err-bg); color: var(--err-fg); border-color: currentColor; }

/* ---- drop zone ---- */

.drop {
  display: flex; flex-direction: column; gap: 0.4rem;
  align-items: center; justify-content: center; text-align: center;
  min-height: 11rem;
  padding: 1.5rem;
  border: 3px dashed var(--line);
  border-radius: 10px;
  background: var(--bg);
  cursor: pointer;
}
.drop:hover { border-color: var(--accent); }
.drop.over  { border-color: var(--accent); border-style: solid; }
.drop-title { font-size: 1.25rem; font-weight: 700; }
.drop-sub   { color: var(--muted); }
kbd {
  font: inherit; font-size: 0.9em;
  border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 4px; padding: 0.05em 0.35em; background: var(--card);
}

/* ---- forms ---- */

.field { margin: 1.1rem 0; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; }

input[type="text"] {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.7rem;
  color: var(--fg);
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 8px;
}

.urlbox {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1rem;
}

.linkrow-inner { display: flex; gap: 0.5rem; align-items: stretch; }
.linkrow-inner .btn { flex: 0 0 auto; }

.btn {
  display: inline-block;
  font: inherit; font-weight: 600;
  padding: 0.6rem 1.1rem;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-danger  { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-copy    { min-width: 6rem; }
.btn-copy.done { background: var(--ok-bg); color: var(--ok-fg); border-color: currentColor; }

.status { margin: 1rem 0 0; font-weight: 600; min-height: 1.6em; }

/* ---- image display ---- */

figure.shot, figure.thumb { margin: 0 0 1.5rem; }
figure.shot img, figure.thumb img {
  max-width: 100%; height: auto;
  border: 2px solid var(--line); border-radius: 8px;
  background: repeating-conic-gradient(#8883 0% 25%, transparent 0% 50%) 50% / 20px 20px;
}
figure.thumb img { max-height: 16rem; width: auto; }

dl.details { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.25rem; margin: 0; }
dl.details dt { font-weight: 700; color: var(--muted); }
dl.details dd { margin: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

@media (max-width: 34rem) {
  .linkrow-inner { flex-direction: column; }
  .btn-copy { width: 100%; }
}