/* 3d-prints viewer — same visual family as the design boards */
:root {
  --ground: #f5f7f5;
  --surface: #fdfdfb;
  --ink: #24373c;
  --muted: #5e6f70;
  --line: #d7ddd9;
  --accent: #2a7f78;
  --accent-soft: #dcecea;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #131d1c; --surface: #1b2827; --ink: #e3ebe8; --muted: #96a8a5;
    --line: #33443f; --accent: #5fbdb4; --accent-soft: #22403c;
  }
}
* { box-sizing: border-box; }
body {
  background: var(--ground); color: var(--ink);
  font-family: "Karla", "Segoe UI", system-ui, sans-serif;
  font-size: 16.5px; line-height: 1.6; margin: 0;
}
h1, h2, h3, .brand { font-family: "Fraunces", Georgia, serif; font-weight: 600; line-height: 1.2; }
a { color: var(--accent); }

header.site {
  display: flex; align-items: baseline; gap: 0.9rem;
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.35rem; color: var(--ink); text-decoration: none; }
.sub { color: var(--muted); font-size: 0.9rem; }
main { max-width: 62rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
footer { color: var(--muted); font-size: 0.8rem; margin-top: 2.5rem; }

/* gallery of designs */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem; text-decoration: none; color: var(--ink);
  display: flex; flex-direction: column; gap: 0.5rem;
}
.card:hover { border-color: var(--accent); }
.card img, .card .noimg {
  width: 100%; aspect-ratio: 4/3; object-fit: contain;
  background: #fff; border-radius: 8px; border: 1px solid var(--line);
}
.card .noimg { display: grid; place-items: center; color: var(--muted); font-size: 0.85rem; }
.card h2 { margin: 0; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

/* design page */
.crumb { margin-bottom: 1.25rem; }
.crumb a { text-decoration: none; }
.boards { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.5rem; }
.board {
  display: block; background: var(--accent); color: var(--ground);
  border-radius: 10px; padding: 0.8rem 1.2rem; text-decoration: none; font-weight: 700;
}
.board .file { font-weight: 400; opacity: 0.8; font-size: 0.85rem; margin-left: 0.5rem; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.75rem; margin-bottom: 2rem; }
.gallery img {
  width: 100%; aspect-ratio: 1; object-fit: contain;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
}
.req {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.5rem 1.75rem; overflow-x: auto;
}
.req h1 { font-size: 1.6rem; margin-top: 0; }
.req code { background: var(--accent-soft); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }
.req pre { background: var(--accent-soft); padding: 0.8rem 1rem; border-radius: 8px; overflow-x: auto; }
.req pre code { background: none; padding: 0; }
.req table { border-collapse: collapse; }
.req th, .req td { border: 1px solid var(--line); padding: 0.4rem 0.7rem; text-align: left; }
.sources h2 { font-size: 1.2rem; }
.empty { color: var(--muted); }

/* login page (public door) */
.loginbox {
  max-width: 22rem; margin: 4rem auto 0; background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; padding: 2rem;
  text-align: center;
}
.loginbox h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
.loginbox p { color: var(--muted); font-size: 0.95rem; }
.loginbox form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
.loginbox input {
  font: inherit; padding: 0.65rem 0.9rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--ground); color: var(--ink);
}
.loginbox button {
  font: inherit; font-weight: 700; padding: 0.65rem; border: none;
  border-radius: 8px; background: var(--accent); color: var(--ground); cursor: pointer;
}
.loginerr { color: #c0604f; font-weight: 700; }
.loginfoot { font-size: 0.8rem; }