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

body {
  font-family: 'Noto Serif TC', '微軟正黑體', serif;
  background: linear-gradient(135deg, #1a0a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 100vh;
  color: #e8d5a3;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  padding: 40px 0 30px;
}

header h1 {
  font-size: 2.5rem;
  color: #ffd700;
  text-shadow: 0 0 20px rgba(255,215,0,0.5);
  letter-spacing: 4px;
}

.subtitle {
  color: #c9a96e;
  margin-top: 8px;
  font-size: 1rem;
  letter-spacing: 2px;
}

/* Form */
.form-section {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  color: #ffd700;
  font-size: 0.9rem;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: 8px;
  color: #e8d5a3;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: #ffd700;
  background: rgba(255,215,0,0.05);
}

.form-group select option {
  background: #1a0a2e;
  color: #e8d5a3;
}

.radio-group {
  display: flex;
  gap: 20px;
  padding: 10px 0;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  color: #e8d5a3;
}

.radio-label input { width: auto; }

.btn-submit {
  display: block;
  width: 200px;
  margin: 0 auto;
  padding: 14px;
  background: linear-gradient(135deg, #b8860b, #ffd700, #b8860b);
  border: none;
  border-radius: 8px;
  color: #1a0a2e;
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,215,0,0.4);
}

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: #c9a96e;
}

.spinner {
  width: 50px; height: 50px;
  border: 3px solid rgba(255,215,0,0.2);
  border-top-color: #ffd700;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

.error-msg {
  background: rgba(220,53,69,0.2);
  border: 1px solid rgba(220,53,69,0.5);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  color: #ff8a8a;
  margin-bottom: 20px;
}

/* Result */
.result-section {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,215,0,0.15);
  border-radius: 12px;
  padding: 24px;
}

.result-header h2 {
  color: #ffd700;
  font-size: 1.5rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
  text-align: center;
}

.basic-info {
  background: rgba(255,215,0,0.05);
  border: 1px solid rgba(255,215,0,0.15);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: #c9a96e;
}

.info-row:last-child { margin-bottom: 0; }
.info-row span { white-space: nowrap; }

/* Chart Grid */
.chart-wrapper {
  overflow-x: auto;
}

.chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 3px;
  background: rgba(255,215,0,0.1);
  border: 2px solid rgba(255,215,0,0.4);
  border-radius: 8px;
  min-width: 600px;
  aspect-ratio: 1;
}

.cell {
  background: rgba(15,20,50,0.8);
  padding: 8px;
  min-height: 130px;
  position: relative;
  overflow: hidden;
}

.cell.empty {
  background: rgba(10,15,35,0.9);
}

.cell.center {
  background: rgba(20,10,40,0.95);
  border: 1px solid rgba(255,215,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.center-info {
  text-align: center;
}

.center-title {
  color: #ffd700;
  font-size: 1.2rem;
  letter-spacing: 2px;
  font-weight: bold;
  margin-bottom: 4px;
}

.center-sub {
  color: #c9a96e;
  font-size: 0.8rem;
  margin: 2px 0;
}

.cell.palace {
  border: 1px solid rgba(255,215,0,0.2);
  transition: background 0.2s;
}

.cell.palace:hover {
  background: rgba(255,215,0,0.05);
}

.cell.ming-gong {
  border-color: #ffd700 !important;
  border-width: 2px !important;
  background: rgba(255,215,0,0.08) !important;
}

.cell.shen-gong {
  border-style: dashed;
}

.palace-header {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,215,0,0.15);
  flex-wrap: wrap;
}

.palace-tg {
  font-size: 0.8rem;
  color: #a08060;
}

.palace-dz {
  font-size: 0.95rem;
  color: #ffd700;
  font-weight: bold;
}

.palace-name {
  font-size: 0.75rem;
  color: #c9a96e;
  margin-left: auto;
  background: rgba(255,215,0,0.1);
  padding: 1px 5px;
  border-radius: 3px;
}

.stars-main {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-bottom: 4px;
}

.stars-fu {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.star {
  font-size: 0.82rem;
  white-space: nowrap;
  position: relative;
  display: inline-flex;
  align-items: center;
}

.star.main-star {
  color: #e8c97a;
  font-weight: bold;
}

.star.fu-star {
  color: #8ab4d4;
  font-size: 0.75rem;
}

.hua {
  font-size: 0.6rem;
  font-weight: bold;
  padding: 0 2px;
  border-radius: 2px;
  margin-left: 1px;
  line-height: 1;
}

.hua-lu { background: #d4a017; color: #fff; }
.hua-quan { background: #8b0000; color: #fff; }
.hua-ke { background: #006400; color: #fff; }
.hua-ji { background: #4a4a4a; color: #ccc; }

/* Legend */
.legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #c9a96e;
}

.tag-lu { background:#d4a017; color:#fff; padding:1px 4px; border-radius:2px; font-size:0.75rem; }
.tag-quan { background:#8b0000; color:#fff; padding:1px 4px; border-radius:2px; font-size:0.75rem; }
.tag-ke { background:#006400; color:#fff; padding:1px 4px; border-radius:2px; font-size:0.75rem; }
.tag-ji { background:#4a4a4a; color:#ccc; padding:1px 4px; border-radius:2px; font-size:0.75rem; }

@media (max-width: 680px) {
  header h1 { font-size: 1.8rem; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .chart { min-width: 360px; }
  .cell { min-height: 90px; padding: 5px; }
  .star.main-star { font-size: 0.72rem; }
  .star.fu-star { font-size: 0.65rem; }
}