* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f3f4f8;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: #111;
}

.app {
  width: 100%;
  max-width: 440px;
  min-height: 100svh;
  margin: 0 auto;
  background: #f6f7fb;
  overflow-x: hidden;
}

/* 顶部标题 */
.top-header {
  background: #eeeeef;
  padding: 28px 20px 24px;
  text-align: center;
}

.top-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.5px;
}

/* 提示文字 */
.hint {
  margin: 20px 0 14px;
  text-align: center;
  color: #999;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* 日期横向滑动区 */
.date-slider {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 0 18px 24px;
  scroll-snap-type: x mandatory;
}

.date-slider::-webkit-scrollbar {
  display: none;
}

/* 小日期卡片 */
.date-card {
  flex: 0 0 185px;
  min-height: 140px;
  background: #fff;
  border-radius: 22px;
  padding: 14px;
  scroll-snap-align: start;
  border: 2px solid transparent;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  cursor: pointer;
}

.date-card.active {
  border-color: #6b8cff;
}

.date-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: #eaf4ff;
  font-size: 14px;
  font-weight: 700;
}

.date-card h2 {
  margin: 20px 0 8px;
  font-size: 20px;
  font-weight: 900;
}

.date-card p {
  margin: 0 0 18px;
  font-size: 16px;
}

.route-pill {
  display: inline-block;
  max-width: 100%;
  padding: 8px 14px;
  border-radius: 999px;
  background: #f0f0f0;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 大卡片 */
.main-card {
  margin: 0 18px 36px;
  padding: 22px;
  background: #fff;
  border-radius: 30px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.main-card h2 {
  margin: 0 0 20px;
  font-size: 28px;
  font-weight: 900;
}

.summary {
  color: #666;
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* 行程内容框 */
.schedule-box {
  position: relative;
  background: #fafbff;
  border: 2px solid #dce2ff;
  border-left: 8px solid #6b8cff;
  border-radius: 24px;
  padding: 24px 20px;
  margin-bottom: 22px;
}

.schedule-box h3 {
  margin: 0 0 18px;
  color: #5576e8;
  font-size: 22px;
}

.schedule-box ul {
  margin: 0;
  padding-left: 22px;
}

.schedule-box li {
  margin: 16px 0;
  font-size: 18px;
  line-height: 1.6;
}

/* 备注 */
.note-box {
  background: #faf9ff;
  border-radius: 24px;
  padding: 22px;
}

.note-box h3 {
  margin: 0 0 12px;
  color: #6b7fe8;
  font-size: 22px;
}

.note-box p {
  margin: 0;
  font-size: 18px;
  line-height: 1.7;
}

/* iPad 适配 */
@media (min-width: 768px) {
  .app {
    max-width: 900px;
  }

  .top-header h1 {
    font-size: 32px;
  }

  .date-card {
    flex-basis: 260px;
  }

  .main-card {
    padding: 36px;
  }
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.edit-btn,
.add-btn,
.save-btn,
.cancel-btn {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 700;
}

.edit-btn {
  background: #edf1ff;
  color: #5576e8;
}

.add-btn {
  width: 100%;
  margin-top: 18px;
  background: #edf1ff;
  color: #5576e8;
}

.main-card label {
  display: block;
  margin: 16px 0 8px;
  font-size: 14px;
  font-weight: 800;
  color: #666;
}

.main-card input,
.main-card textarea {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 16px;
  padding: 14px;
  font-size: 16px;
  font-family: inherit;
  background: #fafafa;
}

.main-card textarea {
  min-height: 100px;
  resize: vertical;
}

.edit-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.save-btn {
  flex: 1;
  background: #6b8cff;
  color: white;
}

.cancel-btn {
  flex: 1;
  background: #eee;
  color: #333;
}

.indicator-wrap {
  display: flex;
  justify-content: center;
  margin: -8px 0 24px;
}

.indicator-track {
  width: 72px;
  height: 8px;
  background: #e5e5e5;
  border-radius: 999px;
  overflow: hidden;
}

.indicator-thumb {
  height: 8px;
  width: 24px;
  background: #6b8cff;
  border-radius: 999px;
  transition: transform 0.25s ease, width 0.25s ease;
}

/* 🌸 樱花粉 */
.date-tag.sakura {
  background: #ffeef2;
  color: #d16a7c;
}

/* 🍊 蜜柑橙 */
.date-tag.orange {
  background: #fff3e6;
  color: #d97706;
}

/* 🌊 浅海蓝 */
.date-tag.sky {
  background: #eaf6ff;
  color: #3b82f6;
}

/* 🌿 抹茶绿 */
.date-tag.matcha {
  background: #eef8f1;
  color: #4b8b3b;
}

/* 🍇 葡萄紫 */
.date-tag.grape {
  background: #f3efff;
  color: #7c5cff;
}

/* ☁️ 云灰蓝 */
.date-tag.cloud {
  background: #f1f5f9;
  color: #64748b;
}

/* 🌻 奶油黄 */
.date-tag.cream {
  background: #fff9e6;
  color: #c8a600;
}

/* 🍑 蜜桃粉 */
.date-tag.peach {
  background: #fff1eb;
  color: #e76f51;
}

/* 🌲 森林绿 */
.date-tag.forest {
  background: #eaf5ef;
  color: #2f6d4f;
}

/* 🧊 冰蓝 */
.date-tag.ice {
  background: #edf7ff;
  color: #4da3ff;
}

.delete-btn {
  width: 100%;
  margin-top: 12px;
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;

  background: #f4f5f7;   /* 很淡的灰 */
  color: #9aa0a6;        /* 柔和灰字 */
}

/* 电脑端适配 */
@media (min-width: 1024px) {
  body {
    background: #eef0f6;
  }

  .app {
    max-width: 1100px;
    min-height: 100vh;
    border-radius: 32px;
    margin: 32px auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  }

  .top-header {
    border-radius: 32px 32px 0 0;
  }

  .date-slider {
    padding: 0 40px 24px;
  }

  .date-card {
    flex: 0 0 220px;
    min-height: 150px;
  }

  .main-card {
    max-width: 760px;
    margin: 0 auto 48px;
  }
}