/* 업무도구 페이지 (tools/index.php) — 사이트 공통 변수(css/variables.css) 사용 */
.board-page.tools-main { padding-top: 1.25rem; padding-bottom: 1.5rem; min-height: 0; }
.tools-main .board-container { max-width: 1240px; }
.tools-page { position: relative; padding: 0 0 1rem; }

.tools-hero { text-align: center; max-width: 720px; margin: 0 auto 1.5rem; }
.tools-title { font-size: var(--font-size-3xl); font-weight: 800; letter-spacing: -0.02em; color: var(--color-text-main); margin: 0 0 0.25rem; line-height: 1.2; }
.tools-desc { font-size: var(--font-size-md); color: var(--color-text-muted); margin: 0 0 0.9rem; }

.tools-search { position: relative; max-width: 520px; margin: 0 auto 0.7rem; }
.tools-search svg { position: absolute; left: 1.1rem; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.tools-search input {
  width: 100%; height: 46px; padding: 0 1.2rem 0 3rem; font: inherit; font-size: var(--font-size-base);
  color: var(--color-text-main); background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-full); box-shadow: var(--shadow-sm); outline: none; transition: border-color .2s, box-shadow .2s;
}
.tools-search input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(10, 88, 202, 0.12); }

.tools-filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.tools-chip {
  height: 38px; padding: 0 1.1rem; font: inherit; font-size: var(--font-size-sm); font-weight: 600; cursor: pointer;
  color: var(--color-text-muted); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-full);
  transition: color .2s, border-color .2s, background .2s;
}
.tools-chip:hover { color: var(--color-primary); border-color: var(--color-primary); }
.tools-chip.is-active { color: #fff; background: var(--color-primary); border-color: var(--color-primary); }

/* 분류별 사각 묶음: 모든 묶음이 5개씩이며, 그래도 다르면 가장 많은 묶음을 기준으로 크기를 같게 맞춘다
   (grid-auto-rows: 1fr → 모든 행이 가장 큰 묶음 높이로 통일, 열 너비는 모두 같음). */
.tools-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 1.25rem;
}

.tools-group {
  --tone: var(--color-primary);
  --tone-bg: var(--color-primary-light);
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.25rem 1.25rem 0.75rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--tone);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.tools-group[hidden] { display: none; }
.tools-group--design { --tone: var(--color-accent); --tone-bg: var(--color-accent-light); }
.tools-group--voice { --tone: #0F766E; --tone-bg: #E6F6F4; }
.tools-group--web { --tone: #B45309; --tone-bg: #FEF3E2; }
.tools-group--util { --tone: #334155; --tone-bg: #F1F5F9; }

.tools-group-title {
  display: flex; align-items: center; gap: 0.5rem;
  margin: 0 0 0.6rem; padding-bottom: 0.75rem;
  font-size: var(--font-size-lg); font-weight: 800; letter-spacing: -0.02em; color: var(--color-text-main);
  border-bottom: 1px solid var(--color-border);
}
.tools-group-count {
  min-width: 1.5rem; padding: 0.05rem 0.45rem; font-size: var(--font-size-xs); font-weight: 700; text-align: center;
  color: var(--tone); background: var(--tone-bg); border-radius: var(--radius-full);
}

.tools-group-list { list-style: none; margin: 0; padding: 0; }
.tools-item[hidden] { display: none; }

.tool-row {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.65rem 0.5rem; margin: 0 -0.5rem;
  text-decoration: none; color: inherit; border-radius: var(--radius-md);
  transition: background-color .15s;
}
.tool-row:hover, .tool-row:focus-visible { background-color: var(--tone-bg); outline: none; }

.tool-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: none; color: var(--tone); background: var(--tone-bg); border-radius: var(--radius-md); transition: background-color .15s; }
.tool-icon svg { width: 22px; height: 22px; }
.tool-row:hover .tool-icon, .tool-row:focus-visible .tool-icon { background: #fff; }

.tool-body { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.tool-name { font-size: var(--font-size-base); font-weight: 800; color: var(--color-text-main); line-height: 1.3; }
.tool-text { font-size: var(--font-size-sm); line-height: 1.45; color: var(--color-text-muted); }

.tools-empty { text-align: center; padding: 3rem 0; color: var(--color-text-muted); }
.tools-empty[hidden] { display: none; }
.tools-note { text-align: center; margin: 1.25rem 0 0; font-size: var(--font-size-xs); color: var(--color-text-muted); }

@media (max-width: 1024px) { .tools-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .tools-groups { grid-template-columns: 1fr; grid-auto-rows: auto; }
}

/* 화면에는 제목을 보이지 않지만(요청), 검색엔진·스크린리더용 h1은 남겨 둔다 */
.tools-title--hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}