:root {
  --accent: #ff6b81;
  --accent-dark: #e84a63;
  --accent-tint: #fff0f3;
  --accent-soft: #f0dbe0;
  --bg-a: #fff5f7;
  --bg-b: #ffe9f0;
  --text: #33222a;
  --muted: #8a7580;
  --card: #ffffff;
}

/* 每个测试部分换一套主题色，靠 body 的 class 切换 */
body.theme-attachment {
  --accent: #8a6bff;
  --accent-dark: #6b46e8;
  --accent-tint: #f2eeff;
  --accent-soft: #ddd3f7;
  --bg-a: #f6f4ff;
  --bg-b: #ece6ff;
}

body.theme-mbti {
  --accent: #ff9f43;
  --accent-dark: #e8800f;
  --accent-tint: #fff4e8;
  --accent-soft: #f7ddb8;
  --bg-a: #fff8ef;
  --bg-b: #ffecd1;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(160deg, var(--bg-a), var(--bg-b));
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  transition: background 0.4s ease;
}

.page {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 24px 20px 60px;
  display: flex;
  flex-direction: column;
}

@media (min-width: 640px) {
  .page {
    max-width: 560px;
    padding: 48px 32px 80px;
  }
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 8px;
  text-align: center;
  letter-spacing: 0.01em;
}

.subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  margin-bottom: 16px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.question {
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option {
  display: flex;
  align-items: center;
  position: relative;
  border: 2px solid var(--accent-soft);
  border-radius: 14px;
  padding: 13px 44px 13px 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.option:active {
  transform: scale(0.99);
}

.option:hover {
  border-color: var(--accent);
}

.option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-label {
  flex: 1;
}

.option-check {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%) scale(0);
  color: var(--accent-dark);
  font-weight: 700;
  transition: transform 0.15s;
}

.option.selected {
  border-color: var(--accent-dark);
  background: var(--accent-tint);
}

.option.selected .option-check {
  transform: translateY(-50%) scale(1);
}

input[type="text"],
input[type="date"] {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--accent-soft);
  border-radius: 12px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
}

input[type="text"]:focus,
input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  border: none;
  border-radius: 999px;
  padding: 15px 20px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  transition: transform 0.1s, box-shadow 0.15s;
}

button.primary:active {
  transform: scale(0.98);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
}

button.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  border: 2px solid var(--accent-dark);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.progress {
  height: 6px;
  background: var(--accent-soft);
  border-radius: 999px;
  margin-bottom: 20px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  transition: width 0.3s ease, background 0.4s ease;
}

.section-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-tint);
  border-radius: 999px;
  padding: 5px 12px;
  margin: 0 auto 14px;
  text-align: center;
  width: fit-content;
  display: block;
}

.intro-screen {
  text-align: center;
  padding: 40px 0;
}

.intro-emoji {
  font-size: 3.2rem;
  margin-bottom: 12px;
}

.code-box {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent-dark);
  margin: 16px 0;
}

.qr-placeholder {
  width: 220px;
  height: 220px;
  margin: 0 auto 16px;
  display: block;
  border-radius: 12px;
  background: #f5f5f5;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.status-pending {
  color: var(--muted);
}

.status-paid {
  color: #2e9e5b;
  font-weight: 600;
}

.result-score {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 4px;
}

.result-title {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.card.accent-left {
  border-left: 4px solid var(--accent-dark);
}

.card-love { border-left: 4px solid #e84a63; }
.card-attachment { border-left: 4px solid #6b46e8; }
.card-mbti { border-left: 4px solid #e8800f; }

.card ul {
  margin: 0;
  padding-left: 20px;
}

.card ul li {
  margin-bottom: 6px;
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.admin-table th,
table.admin-table td {
  border-bottom: 1px solid #eee;
  padding: 8px 6px;
  text-align: left;
}

.fade-in {
  animation: fadeInUp 0.25s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}