/* 오픈소스 페이지 — 목록이 주인공. 색은 언어마다 그 언어를 맡은 Graph Family 새의 색이다. */

.oss-hero { padding-block: clamp(56px, 8vw, 112px) clamp(36px, 5vw, 56px); }
.oss-hero .wrap { display: grid; gap: 24px; }
.langbar {
  /* 도구 하나가 칸 하나다. 언어 묶음(langbar-seg)은 상자를 만들지 않아(display: contents)
     칸들이 막대에 바로 줄 서고, 그래서 인라인 스타일 없이도 길이가 도구 수에 비례한다. */
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr);
  height: 14px; margin-top: 18px; border-radius: 4px; overflow: hidden;
}
.langbar-seg { display: contents; }
.langbar-seg i { background: var(--c); transition: opacity 0.2s; }
.langbar-seg + .langbar-seg i:first-child { margin-left: 3px; }
.langbar.is-filtered .langbar-seg i { opacity: 0.18; }
.langbar.is-filtered .langbar-seg.is-active i { opacity: 1; }

/* ---------------------------------------------------------------- Graph Family 띠(늘 어두움) */
.gf-band { background: var(--night); color: var(--on-night); padding-block: clamp(48px, 6vw, 80px); overflow: hidden; position: relative; }
.gf-band::before {
  content: ""; position: absolute; inset: auto 0 -60% 0; height: 100%; pointer-events: none;
  background: radial-gradient(50% 60% at 70% 100%, rgba(255, 120, 60, 0.2), rgba(255, 120, 60, 0) 70%);
}
.gf-band-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px 40px; align-items: end; }
.gf-flock { grid-column: 1 / -1; margin-top: 56px !important; }
.gf-band-copy { display: grid; gap: 14px; justify-items: start; }
.gf-band-grid > .button { margin-bottom: 4px; }
.gf-band-title { margin: 0; font-size: clamp(2.25rem, 4.4vw, 3.75rem); font-weight: 900; letter-spacing: -0.05em; line-height: 1; }
.gf-band-lead { margin: 0; color: var(--on-night-2); max-width: 26em; }
.gf-band :focus-visible { outline-color: #ffffff; }
.gf-flock { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 6px; align-items: end; }
.gf-flock li {
  display: grid; justify-items: center; gap: 6px; text-align: center; min-width: 0;
  /* V자 대형: 가운데(왜가리)가 가장 낮고 양 끝으로 갈수록 높이 난다 */
  transform: translateY(calc(-1 * var(--lift, 0) * 1px));
}
.gf-flock li:nth-child(1), .gf-flock li:nth-child(9) { --lift: 64; }
.gf-flock li:nth-child(2), .gf-flock li:nth-child(8) { --lift: 48; }
.gf-flock li:nth-child(3), .gf-flock li:nth-child(7) { --lift: 32; }
.gf-flock li:nth-child(4), .gf-flock li:nth-child(6) { --lift: 16; }
.gf-flock img { width: 100%; max-width: 96px; border-radius: 50%; background: #dae5dc; box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08); }
.gf-hub img { max-width: 116px; box-shadow: 0 0 0 3px var(--signal); }
.gf-flock .mono { font-size: 0.8125rem; color: var(--on-night); }
.gf-lang { font-size: 0.6875rem; color: var(--on-night-2); }

/* ---------------------------------------------------------------- 거르기 */
.catalog { padding-block: clamp(40px, 5vw, 64px) clamp(72px, 9vw, 128px); }
.filters {
  display: grid; gap: 12px; padding: 18px 0 20px; margin-bottom: 8px;
  position: sticky; top: calc(env(safe-area-inset-top, 0px) + var(--header-height)); z-index: 5;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.filter-search { position: relative; max-width: 560px; }
.filter-search svg { position: absolute; left: 16px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); fill: none; stroke: var(--ink-3); stroke-width: 2; stroke-linecap: round; }
.filter-search input {
  width: 100%; height: 48px; padding: 0 16px 0 44px; border-radius: 999px; border: 1.5px solid var(--line);
  background: var(--surface); color: var(--ink); font: inherit; font-size: 1rem;
}
.filter-search input::placeholder { color: var(--ink-3); }
.filter-search input:focus { outline: none; border-color: var(--ink); background: var(--bg); }
.filter-row { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip {
  flex: none; display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink-2); font-weight: 650; font-size: 0.875rem; cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.filter-chip:hover { border-color: var(--line-strong); color: var(--ink); }
.filter-chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.chip-count { font-variant-numeric: tabular-nums; opacity: 0.6; font-weight: 600; }
.lang-dot { display: inline-block; width: 9px; height: 9px; border-radius: 2px; background: var(--c); flex: none; }
.filter-status { display: flex; align-items: center; gap: 14px; min-height: 28px; }
.result-count { margin: 0; font-size: 0.875rem; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.reset-button { border: 0; background: none; padding: 0; color: var(--signal-text); font-weight: 700; font-size: 0.875rem; cursor: pointer; text-decoration: underline; text-underline-offset: 0.2em; }

/* ---------------------------------------------------------------- 목록 */
.tool-group { padding-top: 48px; scroll-margin-top: 260px; }
.group-head { display: grid; gap: 8px; margin-bottom: 14px; max-width: 48rem; }
.group-head .h3 { display: flex; align-items: baseline; gap: 10px; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.035em; }
.group-count { font-size: 1rem; font-weight: 650; color: var(--ink-3); }
.group-note { margin: 0; color: var(--ink-2); font-size: 0.9375rem; }
.group-org { color: var(--ink); font-family: var(--font-mono); font-size: 0.8125rem; margin-left: 4px; }
.tool-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.tool {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 15rem); gap: 6px 32px; align-items: start;
  padding: 18px 4px; border-bottom: 1px solid var(--line); position: relative;
}
.tool:has(.tool-bird) { grid-template-columns: 44px minmax(0, 1fr) minmax(0, 15rem); gap: 6px 18px; }
.tool:has(.tool-bird) .tool-meta { padding-left: 14px; }
.tool:hover { background: var(--surface); }
.tool-bird { width: 44px; height: 44px; border-radius: 50%; background: #dae5dc; }
.tool-main { display: grid; gap: 4px; min-width: 0; }
.tool-name { margin: 0; font-family: var(--font-mono); font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
.tool-name a { text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.tool-name a::after { content: ""; position: absolute; inset: 0; } /* 줄 전체를 누를 수 있게 */
.tool-arrow { width: 15px; height: 15px; fill: none; stroke: var(--ink-3); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.15s, transform 0.15s; }
.tool:hover .tool-arrow { stroke: var(--signal); transform: translate(2px, -2px); }
.tool:hover .tool-name a { color: var(--ink); }
/* ---------------------------------------------------------------- 해태 띠(늘 어두움)
   목록에 넣지 않고 /oss/haetae/ 로 따로 소개하는 haetae-robotics. 해태 브랜드의 그래파이트와 청록을 쓴다. */
.ht-band {
  background: radial-gradient(40% 90% at 12% 100%, rgba(102, 213, 208, 0.14), rgba(102, 213, 208, 0) 70%), #111418;
  color: #e7ebee; padding-block: clamp(36px, 5vw, 56px); border-top: 1px solid rgba(231, 235, 238, 0.08);
}
.ht-band-grid { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px 32px; align-items: center; }
.ht-band-mark { width: clamp(72px, 8vw, 104px); height: auto; }
.ht-band-copy { display: grid; gap: 8px; }
.ht-band-title { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; font-size: clamp(1.75rem, 3.4vw, 2.5rem); line-height: 1.1; }
.ht-band-title .mono { font-weight: 600; letter-spacing: -0.03em; }
.ht-band-org { font-size: 0.9375rem; font-weight: 650; color: #a9b4ba; }
.ht-band-lead { margin: 0; color: #c3ccd0; max-width: 40em; }
.ht-band-note { margin: 0; color: #a9b4ba; font-size: 0.875rem; max-width: 40em; }
.ht-band :focus-visible { outline-color: #66d5d0; }

.tool-stage { font-family: var(--font-sans); font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-2); }
.tool-desc { margin: 0; color: var(--ink-2); max-width: 46em; }
.tool-meta { margin: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 0.8125rem; color: var(--ink-2); padding-top: 4px; }
.tool-lang { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; }
.tool-license { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); }
.tool-group[hidden], .tool[hidden] { display: none !important; }

.empty-state { padding: 64px 0; display: grid; gap: 10px; justify-items: start; }
.empty-state p { margin: 0; }

@media (max-width: 860px) {
  .gf-band-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .gf-band-grid > .button { justify-self: start; }
  .ht-band-grid { grid-template-columns: auto minmax(0, 1fr); }
  .ht-band-grid > .button { grid-column: 1 / -1; justify-self: start; }
  .gf-flock { margin-top: 20px !important; }
  .gf-flock { grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 3px; }
  .gf-flock li { --lift: 0 !important; }
  .gf-flock .mono, .gf-lang { display: none; }
  .tool, .tool:has(.tool-bird) { grid-template-columns: minmax(0, 1fr); }
  .tool:has(.tool-bird) { grid-template-columns: 36px minmax(0, 1fr); }
  .tool:has(.tool-bird) .tool-meta { grid-column: 2; padding-left: 0; }
  .tool-bird { width: 36px; height: 36px; }
  .filters { position: static; }
}