/* てがるツールのトップ（/tools/） */

.page {
  max-width: var(--w-full);
  width: 100%;
  margin: 0 auto;
  gap: 16px;
}

/* ===== リード ===== */
.tools-lead {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 32px 28px;
  overflow: hidden;
}
/* 上端の帯。文字は載せないので装飾として濃い色を使ってよい。 */
.tools-lead::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.tools-lead-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
}
.tools-lead-sub {
  font-size: 15px;
  font-weight: 500;
  color: var(--sub);
  margin-top: 6px;
}
.tools-lead-desc {
  font-size: 13.5px;
  color: var(--sub);
  line-height: 1.95;
  margin-top: 14px;
  max-width: 640px;
}
.tools-lead-desc b { color: var(--ink); font-weight: 700; }

/* ===== 検索 ===== */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.list-title-row { display: flex; align-items: baseline; gap: 10px; }
.list-title { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.list-count { font-size: 12px; color: var(--muted); }

.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  flex: 1;
  max-width: 320px;
  transition: border-color 140ms;
}
.search-wrap:focus-within { border-color: #6b7280; }
.search-wrap svg { color: var(--muted); flex-shrink: 0; }
.search-wrap input {
  border: none; outline: none; background: transparent;
  font: inherit; font-size: 14px; flex: 1; color: var(--ink);
}
.search-wrap input::placeholder { color: var(--muted); }

/* ===== カテゴリの絞り込み ===== */
.filter-row { display: flex; gap: 6px; flex-wrap: wrap; }

.chip {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--sub);
  cursor: pointer;
  transition: background 100ms, border-color 100ms, color 100ms;
  white-space: nowrap;
}
.chip:hover { background: var(--hover); border-color: #9ca3af; }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ===== 一覧 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 18px 20px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 180ms, box-shadow 180ms, border-color 180ms;
}
.card:hover {
  transform: translateY(-2px);
  border-color: #d1d5db;
  box-shadow: 0 6px 20px -12px rgba(17, 24, 39, 0.2);
}

.card-tag { font-size: 11px; color: var(--muted); letter-spacing: 0.04em; }
.card-title { font-size: 15px; font-weight: 600; line-height: 1.4; margin-top: 4px; }
.card-desc { font-size: 12px; color: var(--muted); line-height: 1.6; margin-top: 2px; }

.card-arrow {
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  transition: color 180ms;
}
.card:hover .card-arrow { color: var(--ink); }

.empty {
  grid-column: 1 / -1;
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
}
.empty b { display: block; font-weight: 600; color: var(--ink); font-size: 15px; margin-bottom: 4px; }

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .tools-lead { padding: 24px 20px 22px; border-radius: 12px; }
  .tools-lead-title { font-size: 23px; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .list-header { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: 100%; }
  .tools-lead-sub { font-size: 14px; }
}