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

:root {
  --bg: #f5f3ef;
  --surface: #ffffff;
  --text: #2c2825;
  --text-muted: #8a857e;
  --border: #e8e4de;
  --accent: #8b5e52;
  --accent-light: #f0e8e5;

  --wood: #3d7a4a;
  --fire: #c0392b;
  --earth: #7d6040;
  --metal: #b8922a;
  --water: #2471a3;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Header */
.site-header { margin-bottom: 2rem; }

.title-block { display: flex; align-items: baseline; gap: 0.8rem; }

h1 {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.12em;
}

.subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.22em;
  font-weight: 300;
}

/* Form card */
.form-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: 0 2px 20px rgba(44,40,37,0.06);
  margin-bottom: 1.5rem;
}

.field-row {
  display: flex;
  gap: 1.4rem;
  margin-bottom: 1.3rem;
  flex-wrap: wrap;
}

.field { display: flex; flex-direction: column; gap: 0.5rem; flex: 1; min-width: 140px; }

label {
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.date-inputs { display: flex; gap: 0.4rem; align-items: center; }

input[type="number"], select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

input[type="number"] { width: 88px; }
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238a857e'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  padding-right: 2rem;
}

input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

#month { width: 78px; }
#day   { width: 68px; }
#hour  { width: 100%; }

.toggle-group {
  display: flex;
  gap: 0.3rem;
  background: var(--bg);
  border-radius: 8px;
  padding: 0.25rem;
}

.toggle-item { flex: 1; cursor: pointer; }
.toggle-item input[type="radio"] { display: none; }

.toggle-item span {
  display: block;
  text-align: center;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all 0.18s;
}

.toggle-item input:checked + span {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(44,40,37,0.1);
}

.submit-btn {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.85rem;
  background: var(--text);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}

.submit-btn:hover { opacity: 0.82; }
.submit-btn:active { transform: scale(0.99); }

/* Result */
#result-section { display: flex; flex-direction: column; gap: 1rem; }
#result-section.hidden { display: none; }

.result-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  padding-left: 0.2rem;
}

/* Card */
.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 2px 16px rgba(44,40,37,0.06);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  font-weight: 500;
  margin-bottom: 1.2rem;
}

/* 사주명식 테이블 */
.saju-table-wrap { overflow-x: auto; }

.saju-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.saju-table thead th {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 0 0 0.8rem;
  text-align: center;
}

.row-header {
  width: 52px;
  text-align: left;
  padding-right: 0.5rem;
}

.th-sky {
  font-size: 0.75rem;
  color: #3a6fa8;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.th-earth {
  font-size: 0.75rem;
  color: #9b3a2a;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.saju-table tbody tr td {
  text-align: center;
  padding: 0.4rem 0.2rem 1rem;
}

.saju-table tbody tr:last-child td { padding-bottom: 0; }

.hanzi {
  display: block;
  font-size: 2rem;
  font-weight: 300;
  line-height: 1.1;
  cursor: default;
  transition: transform 0.15s, opacity 0.15s;
  position: relative;
}

.hanzi:hover { transform: scale(1.12); }

.hanzi.muted { opacity: 0.25; }

.ko-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
  min-height: 1em;
  transition: opacity 0.2s;
}

/* 오행 색상 */
.oh-木 { color: var(--wood); }
.oh-火 { color: var(--fire); }
.oh-土 { color: var(--earth); }
.oh-金 { color: var(--metal); }
.oh-水 { color: var(--water); }

/* 오행 툴팁 */
.hanzi-wrap {
  position: relative;
  display: inline-block;
}

.oh-tip {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) scale(0.85);
  background: var(--text);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
}

.hanzi-wrap:hover .oh-tip {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* 오행분석 바 차트 */
.ohang-chart { display: flex; flex-direction: column; gap: 0.85rem; }

.ohang-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: default;
}

.ohang-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 52px;
  flex-shrink: 0;
}

.ohang-label {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  width: 18px;
}

.ohang-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  overflow: hidden;
  white-space: nowrap;
  max-width: 0;
  opacity: 0;
  transition: max-width 0.35s ease, opacity 0.25s ease;
}

.ohang-row:hover .ohang-desc {
  max-width: 100px;
  opacity: 1;
}

.ohang-bar-wrap {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
}

.ohang-bar {
  height: 100%;
  width: 0;
  border-radius: 5px;
  background: var(--color, #aaa);
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.ohang-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  width: 16px;
  text-align: right;
  flex-shrink: 0;
}

/* 연운 탭 */
.year-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.year-tab {
  flex: 1;
  padding: 0.5rem 0.4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.02em;
  line-height: 1.3;
  text-align: center;
}

.year-tab:hover { border-color: var(--accent); color: var(--text); }

.year-tab.active {
  background: var(--text);
  border-color: var(--text);
  color: #fff;
}

.year-tab .tab-year { display: block; font-weight: 500; }
.year-tab .tab-ganzhi { display: block; font-size: 0.7rem; opacity: 0.7; }

/* 로딩 */
.loading-dots { display: flex; gap: 4px; align-items: center; }
.loading-dots.hidden { display: none; }

.loading-dots span {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: dot-bounce 1.2s ease-in-out infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* AI 해석 */
.ai-text {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-wrap;
  word-break: keep-all;
}

/* Mobile */
@media (max-width: 480px) {
  main { padding: 1.5rem 1rem 3rem; }
  .field-row { gap: 1rem; }
  .hanzi { font-size: 1.6rem; }
}