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

body {
  background: #080d18;
  color: #c8d4e8;
  font-family: 'Microsoft YaHei', 'PingFang TC', 'Noto Sans TC', sans-serif;
  min-height: 100vh;
  padding: 24px 16px 48px;
  line-height: 1.5;
}

.container { max-width: 920px; margin: 0 auto; }

/* Header */
.page-header {
  text-align: center;
  margin-bottom: 28px;
  padding: 24px 0 20px;
  border-bottom: 1px solid #1c2d46;
}
.page-header h1 {
  font-size: 1.75rem;
  color: #ffd54f;
  text-shadow: 0 0 24px rgba(255, 213, 79, 0.25);
  letter-spacing: 0.05em;
}
.page-header p {
  margin-top: 8px;
  font-size: 0.82rem;
  color: #5a7090;
}

.rate-info {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.rate-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.rate-item .rate-label {
  font-size: 0.72rem;
  color: #5a7090;
}
.rate-item .rate-value {
  font-size: 0.9rem;
  font-weight: 600;
}
.rate-item.rate-5 .rate-value { color: #ffd54f; }
.rate-item.rate-4 .rate-value { color: #b88fff; }
.rate-item.rate-3 .rate-value { color: #6ab0d4; }

/* Cards */
.card {
  background: #0e1523;
  border: 1px solid #1c2d46;
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 18px;
}
.card h2 {
  font-size: 1rem;
  color: #4fc3f7;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #1c2d46;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card h2::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: #4fc3f7;
  border-radius: 2px;
}
.card h3 {
  font-size: 0.875rem;
  color: #7aa8c4;
  margin: 18px 0 10px;
}
.card h3:first-child { margin-top: 0; }

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group > label {
  font-size: 0.8rem;
  color: #7a92b0;
}

select, input[type="number"] {
  background: #080d18;
  border: 1px solid #243650;
  border-radius: 6px;
  color: #c8d4e8;
  padding: 8px 10px;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
select:focus, input[type="number"]:focus { border-color: #4fc3f7; }
select option { background: #0e1523; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #9ab8d0;
  cursor: pointer;
  user-select: none;
  margin-top: 4px;
}
.checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: #4fc3f7;
  cursor: pointer;
  flex-shrink: 0;
}

/* Section divider */
.sep {
  border: none;
  border-top: 1px solid #1c2d46;
  margin: 18px 0 0;
}

/* Character grid */
.char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.char-card {
  background: #090f1c;
  border: 1px solid #1c2d46;
  border-radius: 8px;
  padding: 10px 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.char-name {
  font-size: 0.82rem;
  color: #b0c8e0;
  text-align: center;
}
.char-card select {
  font-size: 0.78rem;
  padding: 4px 6px;
}

/* 4-star UP selector */
.up4-hint {
  font-size: 0.78rem;
  color: #5a7090;
  margin-bottom: 10px;
}
.up4-counter {
  display: inline-block;
  font-size: 0.8rem;
  color: #8b9dc3;
  margin-bottom: 8px;
}
.up4-counter .cnt { color: #ffd54f; font-weight: bold; }
.up4-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 7px;
}
.up4-item {
  background: #090f1c;
  border: 1px solid #1c2d46;
  border-radius: 6px;
  padding: 8px 6px;
  font-size: 0.8rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  color: #8b9dc3;
  user-select: none;
}
.up4-item:hover:not(.up4-disabled) { border-color: #4fc3f7; color: #c8d4e8; }
.up4-item.up4-selected {
  border-color: #ffd54f;
  background: #1a1c09;
  color: #ffd54f;
}
.up4-item.up4-disabled { opacity: 0.35; cursor: not-allowed; }

/* Cyberpunk toggle */
.cyberpunk-toggle {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #1c2d46;
}
.cyberpunk-toggle .checkbox-label { color: #f0c040; }
.cyberpunk-toggle input[type="checkbox"] { accent-color: #f0c040; }

/* Coral settings */
.coral-opts { display: flex; flex-direction: column; gap: 12px; }

/* Bulk-set row */
.bulk-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.bulk-row select {
  width: auto;
  min-width: 90px;
  font-size: 0.8rem;
  padding: 5px 8px;
}
.bulk-btn {
  padding: 5px 14px;
  background: #0d1e33;
  border: 1px solid #2a5070;
  border-radius: 6px;
  color: #4fc3f7;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s;
}
.bulk-btn:hover { background: #102540; border-color: #4fc3f7; }

/* Hint text */
.hint-inline {
  display: block;
  font-size: 0.75rem;
  color: #5a7090;
  margin-top: 2px;
}

.hint-text {
  font-size: 0.8rem;
  color: #5a7090;
  margin-bottom: 14px;
}

/* Multi UP target rows */
#up-targets-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }

.up-target-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.up-target-label {
  font-size: 0.82rem;
  color: #4fc3f7;
  font-weight: 600;
  min-width: 36px;
  flex-shrink: 0;
}
.up-target-arrow {
  font-size: 0.8rem;
  color: #5a7090;
  white-space: nowrap;
  flex-shrink: 0;
}
.up-target-select {
  width: auto;
  min-width: 90px;
  flex: 1;
  max-width: 160px;
  font-size: 0.875rem;
  padding: 7px 10px;
}
.add-target-btn {
  padding: 7px 16px;
  background: #0d1e33;
  border: 1px dashed #2a5070;
  border-radius: 6px;
  color: #4fc3f7;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.add-target-btn:hover { background: #102540; border-color: #4fc3f7; border-style: solid; }
.remove-target-btn {
  padding: 5px 10px;
  background: transparent;
  border: 1px solid #3a2030;
  border-radius: 6px;
  color: #f87171;
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}
.remove-target-btn:hover { background: #1a0a0a; border-color: #f87171; }

/* Calculate button */
#calculate-btn {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #0f2d4a 0%, #0a1e33 100%);
  border: 1px solid #2a6090;
  border-radius: 10px;
  color: #4fc3f7;
  font-size: 1rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 18px;
}
#calculate-btn:hover:not(:disabled) {
  border-color: #4fc3f7;
  box-shadow: 0 0 18px rgba(79, 195, 247, 0.15);
}
#calculate-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Error message */
.error-msg {
  color: #f87171;
  font-size: 0.82rem;
  margin-top: 6px;
  min-height: 18px;
}

/* Results */
#results { display: none; }
.result-hero {
  text-align: center;
  padding: 16px 0 20px;
}
.result-hero .big { font-size: 3.2rem; font-weight: 700; color: #ffd54f; line-height: 1; }
.result-hero .unit { font-size: 0.9rem; color: #7a92b0; margin-top: 6px; }


.coral-table {
  background: #090f1c;
  border: 1px solid #1c2d46;
  border-radius: 8px;
  overflow: hidden;
}
.coral-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  border-bottom: 1px solid #111c2e;
  font-size: 0.85rem;
}
.coral-row:last-child { border-bottom: none; }
.coral-row.total { background: #0d1827; }
.coral-lbl { color: #7a92b0; }
.coral-val { color: #ffd54f; font-weight: 600; }
.coral-val.total-val { color: #ff9800; font-size: 0.95rem; }

.coral-row.two-col {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 8px;
  align-items: center;
}
.coral-row.two-col .coral-val { text-align: right; }
.coral-row.two-col.col-head { padding-bottom: 4px; }
.coral-row.col-head .col-title {
  text-align: right;
  color: #7a92b0;
  font-size: 0.78rem;
  font-weight: 600;
}

.pct-table {
  background: #090f1c;
  border: 1px solid #1c2d46;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 18px;
}
.pct-row {
  display: grid;
  grid-template-columns: 40px 1fr 72px;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid #111c2e;
  font-size: 0.85rem;
}
.pct-row:last-child { border-bottom: none; }
.pct-row.pct-mid { background: #0d1827; }
.pct-pct { color: #7a92b0; text-align: right; font-size: 0.8rem; }
.pct-bar-wrap { background: #0e1a2a; border-radius: 4px; height: 8px; overflow: hidden; }
.pct-bar { height: 100%; background: linear-gradient(90deg, #1565a0, #4fc3f7); border-radius: 4px; }
.pct-row.pct-mid .pct-bar { background: linear-gradient(90deg, #c17900, #ffd54f); }
.pct-pulls { color: #ffd54f; font-weight: 600; text-align: right; }
.pct-row.pct-mid .pct-pulls { color: #ffb300; font-size: 0.95rem; }

.result-note {
  font-size: 0.75rem;
  color: #3d5470;
  text-align: center;
  margin-top: 14px;
}