/* JiniTools 메인 — 다크 우선, Linear/Vercel 톤 참조.
 * 핵심: 다크모드에서 카드 대비, 헤로 임팩트, 카드 호버 디테일.
 */

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  /* 다크모드에서 hero 영역 상단에 미세한 radial 빛 — Linear 스타일 */
  background-image:
    radial-gradient(ellipse 1100px 500px at 50% -100px, rgba(102, 126, 234, 0.08), transparent 70%);
  background-attachment: fixed;
}
@media (prefers-color-scheme: dark) {
  body {
    background-image:
      radial-gradient(ellipse 1200px 600px at 50% -120px, rgba(102, 126, 234, 0.18), transparent 65%);
  }
}

.home-wrap {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.75rem;
  padding-right: 1.75rem;
  width: 100%;
  box-sizing: border-box;
}

/* ─────────────────────────── Hero ─────────────────────────── */
.home-hero {
  padding-top: clamp(4rem, 9vw, 6.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 760px;
}
.home-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 0.85rem;
}
.home-hero p {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--text-sub);
  line-height: 1.55;
  margin-bottom: 2rem;
  max-width: 560px;
  word-break: keep-all;
}

/* 검색 박스 */
.home-search {
  position: relative;
  max-width: 520px;
}
.home-search input {
  width: 100%;
  padding: 0.95rem 3rem 0.95rem 2.9rem;
  font-size: 0.98rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.18s, background 0.15s;
}
.home-search input::placeholder { color: var(--text-sub); font-weight: 400; }
.home-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.14);
}
.home-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-sub);
  pointer-events: none;
  display: flex;
}
.home-search .kbd-hint {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.16rem 0.45rem;
  pointer-events: none;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* 검색 결과 없음 */
.search-empty {
  text-align: center;
  color: var(--text-sub);
  font-size: 0.95rem;
  padding: 3rem 1rem;
}

/* ─────────────────── 즐겨찾기·최근 사용 (조건부) ─────────────────── */
.compact-section { margin-top: 2.5rem; }
.compact-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.compact-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.005em;
}
.compact-count {
  font-size: 0.8rem;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}
.compact-clear {
  font-size: 0.8rem;
  color: var(--text-sub);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  font-family: inherit;
  transition: color 0.15s;
}
.compact-clear:hover { color: var(--text); text-decoration: underline; }

/* ─────────────────────── 카테고리 섹션 ─────────────────────── */
.category {
  margin-top: clamp(3rem, 5vw, 4rem);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.category:first-of-type { margin-top: 3rem; }

.category-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.3rem;
  position: relative;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  flex-shrink: 0;
}
.category-icon img { display: block; }
.category-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.category-count {
  font-size: 0.82rem;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  margin-left: 0.1rem;
}

/* ─────────────────────── 도구 카드 그리드 ─────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: 0.85rem;
}

.tool-card {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  position: relative;
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.18s, background 0.15s;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0) 0%, rgba(102, 126, 234, 0.04) 100%);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.tool-card:hover,
.tool-card.kbd-active {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -10px rgba(102, 126, 234, 0.28);
}
.tool-card:hover::before { opacity: 1; }
.tool-card.kbd-active {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.tool-card .icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  z-index: 1;
  margin-top: 1px;
  transition: background 0.15s, border-color 0.15s;
}
.tool-card .icon img { display: block; }
.tool-card:hover .icon {
  background: rgba(102, 126, 234, 0.08);
  border-color: rgba(102, 126, 234, 0.3);
}

.tool-card .text {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}
.tool-card .name {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.005em;
}
.tool-card:hover .name { color: var(--primary); }
.tool-card .desc {
  font-size: 0.8rem;
  color: var(--text-sub);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 즐겨찾기 별 */
.fav-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  background: none;
  border: none;
  font-size: 0.9rem;
  color: var(--border);
  cursor: pointer;
  padding: 0.18rem;
  line-height: 1;
  opacity: 0;
  z-index: 2;
  transition: opacity 0.15s, color 0.15s;
}
.tool-card:hover .fav-btn { opacity: 0.6; }
.fav-btn.active { opacity: 1; color: #f5a623; }
.fav-btn:hover { opacity: 1; color: #f5a623; }

/* ─────────────────────── 반응형 ─────────────────────── */
@media (max-width: 768px) {
  .home-wrap { padding-left: 1.25rem; padding-right: 1.25rem; }
  .home-hero { padding-top: 3rem; padding-bottom: 1.75rem; }
  .home-hero h1 { font-size: 1.75rem; }
  .home-hero p { font-size: 0.98rem; }
  .tools-grid { grid-template-columns: 1fr; gap: 0.6rem; }
  .category { margin-top: 2.5rem; }
  .category-title { font-size: 1.2rem; }
  .category-icon { width: 28px; height: 28px; }
  .tool-card .icon { width: 32px; height: 32px; }
  .fav-btn { opacity: 0.5; }
}

main { padding-bottom: 4.5rem; }