:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1c2030;
  --muted: #6b7185;
  --accent: #4f6df5;
  --accent-soft: #e8edff;
  --star: #f5a623;
  --border: #e4e7f0;
  --shadow: 0 1px 3px rgba(20, 24, 40, 0.06);
  --shadow-hover: 0 6px 20px rgba(20, 24, 40, 0.10);
  --copied: #12b76a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141c;
    --card: #1b1e2b;
    --text: #eceef6;
    --muted: #9aa1b5;
    --accent: #7b93ff;
    --accent-soft: #262e4d;
    --border: #2a2e40;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: linear-gradient(135deg, var(--accent) 0%, #7b5cf5 100%);
  color: #fff;
  padding: 36px 0 30px;
  margin-bottom: 24px;
}
.site-header h1 { font-size: 1.9rem; letter-spacing: -0.5px; }
.tagline { margin-top: 6px; opacity: 0.92; font-size: 0.95rem; }

.pain-point {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--star);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.pain-point h2 { font-size: 1.1rem; margin-bottom: 8px; letter-spacing: -0.3px; }
.pain-point p { font-size: 0.92rem; color: var(--muted); word-break: keep-all; }
.pain-point strong { color: var(--accent); }
.stat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.stat-chip {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 0.82rem;
  font-weight: 600;
}

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
#searchInput {
  flex: 1 1 260px;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
}
#searchInput:focus { border-color: var(--accent); }

.toolbar-buttons { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.star-filter {
  display: flex;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.star-btn {
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
}
.star-btn.active { background: var(--accent); color: #fff; }

.action-btn {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.1s;
}
.action-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.action-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.categories {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 18px 0 6px;
  scrollbar-width: thin;
}
.cat-chip {
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.cat-chip:hover { background: var(--accent-soft); }
.cat-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.cat-chip .count { opacity: 0.65; font-size: 0.8em; margin-left: 3px; }

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 0.85rem;
}
.link-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: underline;
}
.link-btn:hover { color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  padding-bottom: 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 16px 13px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.12s, box-shadow 0.12s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.card:active { transform: scale(0.985); }

.card-text { font-size: 0.95rem; flex: 1; word-break: keep-all; }

.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--muted);
}
.stars { color: var(--star); letter-spacing: 1px; }
.cat-tag {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.75rem;
}
.card-foot .spacer { flex: 1; }

.fav-btn {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.15s, transform 0.15s;
  line-height: 1;
}
.fav-btn:hover { opacity: 0.8; transform: scale(1.15); }
.fav-btn.faved { opacity: 1; }

.copy-hint { font-size: 0.78rem; color: var(--muted); }
.card.copied { border-color: var(--copied); }
.card.copied .copy-hint { color: var(--copied); font-weight: 600; }

.empty { text-align: center; color: var(--muted); padding: 60px 0; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 34px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: var(--bg);
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  max-width: 90vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 560px) {
  .site-header { padding: 26px 0 22px; }
  .site-header h1 { font-size: 1.5rem; }
  .grid { grid-template-columns: 1fr; }
}