/* 색상 팔레트 생성기 */
:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --pink: #db2777;
  --pink2: #be185d;
  --pink-light: rgba(219,39,119,.08);
  --radius: 14px;
  --shadow: 0 2px 12px rgba(0,0,0,.07);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: 'Pretendard', 'Apple SD Gothic Neo', sans-serif; font-size: 14px; }

.wrap { max-width: 100%; padding: 10px 0 60px; }

/* ── 상단 헤더 ── */
.top { margin-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #db2777, #7c3aed);
  border-radius: 13px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
h1 { font-size: 22px; font-weight: 700; }
.sub { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ── 카드 ── */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 6px; }

/* ── 색상 선택 영역 ── */
.picker-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.base-preview {
  width: 52px; height: 52px; border-radius: 12px; border: 2px solid var(--border);
  flex-shrink: 0; cursor: pointer; transition: transform .15s;
}
.base-preview:hover { transform: scale(1.05); }
input[type="color"] {
  position: absolute; opacity: 0; width: 1px; height: 1px;
}
.hex-input {
  padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 9px;
  font-size: 14px; font-family: 'JetBrains Mono', monospace; width: 110px;
  outline: none; transition: border-color .15s;
}
.hex-input:focus { border-color: var(--pink); }
.random-btn {
  padding: 9px 16px; border-radius: 9px; border: 1.5px solid var(--border);
  background: #fff; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: all .15s;
}
.random-btn:hover { border-color: var(--pink); color: var(--pink); }

/* ── 하모니 탭 ── */
.harmony-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.h-btn {
  padding: 6px 13px; border-radius: 18px; border: 1.5px solid var(--border);
  background: #fff; cursor: pointer; font-size: 12px; color: var(--muted);
  transition: all .15s;
}
.h-btn.active { background: var(--pink); border-color: var(--pink); color: #fff; font-weight: 600; }
.h-btn:hover:not(.active) { border-color: var(--pink); color: var(--pink); }

/* ── 팔레트 표시 ── */
.palette-row { display: flex; gap: 0; border-radius: 12px; overflow: hidden; height: 100px; margin-bottom: 14px; }
.palette-swatch {
  flex: 1; position: relative; cursor: pointer; transition: flex .2s ease;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 6px 8px;
}
.palette-swatch:hover { flex: 1.6; }
.swatch-hex {
  font-size: 10px; font-weight: 700; opacity: 0; transition: opacity .15s;
  text-shadow: 0 1px 3px rgba(0,0,0,.4); font-family: monospace;
}
.palette-swatch:hover .swatch-hex { opacity: 1; }

/* ── 컬러 카드 그리드 ── */
.colors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.color-card {
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.color-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.1); }
.cc-swatch { height: 72px; }
.cc-body { padding: 8px 10px; }
.cc-hex { font-size: 12px; font-weight: 700; font-family: monospace; }
.cc-rgb { font-size: 10px; color: var(--muted); margin-top: 2px; }
.cc-hsl { font-size: 10px; color: var(--muted); }
.cc-copy { font-size: 10px; color: var(--pink); font-weight: 600; margin-top: 4px; }

/* ── CSS 내보내기 ── */
.export-area {
  background: #0f172a; color: #e2e8f0; border-radius: 10px;
  padding: 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  line-height: 1.7; overflow-x: auto; white-space: pre;
}
.export-row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.btn-export {
  padding: 7px 14px; border-radius: 8px; border: 1.5px solid var(--border);
  background: #fff; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: all .15s;
}
.btn-export:hover { border-color: var(--pink); color: var(--pink); }
.btn-export.primary { background: var(--pink); border-color: var(--pink); color: #fff; }
.btn-export.primary:hover { background: var(--pink2); border-color: var(--pink2); }

/* 토스트 */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1e293b; color: #fff; padding: 10px 22px; border-radius: 24px;
  font-size: 13px; font-weight: 600; opacity: 0; pointer-events: none;
  transition: all .25s; z-index: 9999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── 안내 섹션 ── */
.guide-section { margin-top: 24px; padding: 22px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.guide-section h2 { font-size: 15px; font-weight: 700; margin: 18px 0 8px; }
.guide-section h2:first-child { margin-top: 0; }
.guide-steps { padding-left: 18px; }
.guide-steps li { margin-bottom: 6px; line-height: 1.6; color: var(--muted); }
.guide-features, .guide-usecase { list-style: none; padding: 0; }
.guide-features li, .guide-usecase li { padding: 4px 0 4px 16px; position: relative; color: var(--muted); line-height: 1.6; }
.guide-features li::before { content: '•'; position: absolute; left: 0; color: var(--pink); font-weight: 700; }
.guide-usecase li::before { content: '✓'; position: absolute; left: 0; color: var(--pink); font-weight: 700; }
.guide-privacy { margin-top: 14px; padding: 12px 14px; background: var(--pink-light); border-radius: 8px; font-size: 12px; color: var(--muted); line-height: 1.6; }