/* 伍行界 · 线下课在线报名页（移动端优先；配色取自第十一期封面） */
:root {
  --sg-ivory: #f6ecdd;       /* 暖象牙底色 */
  --sg-ivory-2: #fbf5eb;     /* 卡片底色 */
  --sg-sand: #e2c294;        /* 封面沙金 */
  --sg-line: #e6d3b6;
  --sg-persimmon: #b5410e;   /* 柿橙（封面主色） */
  --sg-persimmon-dark: #963409;
  --sg-brown: #3b2417;       /* 深棕正文 */
  --sg-brown-soft: #6b4a36;
  --sg-radius: 14px;
  --sg-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  --sg-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.signup-body {
  margin: 0;
  background: var(--sg-ivory);
  color: var(--sg-brown);
  font-family: var(--sg-sans);
  font-size: 17px;
  line-height: 1.7;
}
[hidden] { display: none !important; }
a { color: var(--sg-persimmon); }

.signup-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 560px;
  margin: 0 auto;
  padding: 10px 18px;
}
.signup-back,
.signup-toplink {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 4px;
  font-size: 17px; color: var(--sg-brown-soft); text-decoration: none;
}
.signup-back span { font-size: 26px; line-height: 1; margin-right: 4px; transform: translateY(-1px); }

.signup-main { max-width: 560px; margin: 0 auto; padding: 0 0 32px; }

.signup-hero { margin: 0; line-height: 0; background: var(--sg-sand); }
.signup-hero img { width: 100%; height: auto; display: block; }

.signup-intro { padding: 22px 20px 6px; text-align: center; }
.signup-title { margin: 0 0 10px; font-weight: 600; }
.signup-title-main {
  display: block;
  font-family: var(--sg-serif);
  font-size: 40px;
  line-height: 1.25;
  letter-spacing: 0.12em;
  color: var(--sg-brown);
}
.signup-title-sub {
  display: block;
  margin-top: 6px;
  font-family: var(--sg-serif);
  font-size: 20px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--sg-brown);
}
.signup-info { margin: 0 0 12px; font-size: 18px; color: var(--sg-brown-soft); }
.signup-notice {
  margin: 4px 0 8px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--sg-persimmon);
}

.signup-unavailable {
  margin: 18px 20px;
  padding: 18px;
  border-radius: var(--sg-radius);
  background: var(--sg-ivory-2);
  border: 1px solid var(--sg-line);
  text-align: center;
  font-size: 18px;
}

.signup-card {
  margin: 18px 16px 0;
  padding: 20px 18px 22px;
  background: var(--sg-ivory-2);
  border: 1px solid var(--sg-line);
  border-radius: var(--sg-radius);
  box-shadow: 0 2px 10px rgba(91, 52, 25, 0.06);
}
.signup-h2 {
  font-family: var(--sg-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 14px;
}

.signup-field { margin: 0 0 16px; border: 0; padding: 0; min-width: 0; }
.signup-field > label,
.signup-field > legend,
.signup-label {
  display: block;
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
  padding: 0;
}
.signup-field input[type="text"],
.signup-field input[type="tel"] {
  width: 100%;
  height: 52px;
  padding: 0 14px;
  font-size: 18px;
  font-family: inherit;
  color: var(--sg-brown);
  background: #fffdf8;
  border: 1.5px solid var(--sg-line);
  border-radius: 10px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.signup-field input:focus { border-color: var(--sg-persimmon); box-shadow: 0 0 0 3px rgba(181, 65, 14, 0.15); }
.signup-field input.is-invalid { border-color: var(--sg-persimmon); background: #fff6ef; }

.signup-choice-row { display: flex; gap: 12px; }
.signup-pill { flex: 1; position: relative; cursor: pointer; }
.signup-pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.signup-pill span {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  border: 1.5px solid var(--sg-line);
  border-radius: 10px;
  background: #fffdf8;
  font-size: 18px;
}
.signup-pill input:checked + span {
  border-color: var(--sg-persimmon);
  background: var(--sg-persimmon);
  color: #fff;
  font-weight: 600;
}
.signup-pill input:focus-visible + span { box-shadow: 0 0 0 3px rgba(181, 65, 14, 0.25); }
.signup-choice.is-invalid .signup-pill span { border-color: var(--sg-persimmon); }

.signup-friends:empty { display: none; }
.signup-friend {
  position: relative;
  margin: 4px 0 16px;
  padding: 14px 14px 2px;
  border: 1.5px dashed var(--sg-sand);
  border-radius: 12px;
  background: #fffaf1;
  min-width: 0;
}
.signup-friend-title { font-family: var(--sg-serif); font-size: 18px; font-weight: 600; padding: 0 6px; }
.signup-friend-remove {
  position: absolute;
  top: 6px;
  right: 8px;
  min-width: 64px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--sg-brown-soft);
  font-size: 16px;
  text-decoration: underline;
  cursor: pointer;
}

.signup-friend-add { margin: 4px 0 18px; }
.signup-hint { margin: 8px 0 0; font-size: 16px; color: var(--sg-brown-soft); }

.signup-ack {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0 0;
  margin: 0 0 20px;
  border-top: 1px solid var(--sg-line);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
}
.signup-ack input {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin: 2px 0 0;
  accent-color: var(--sg-persimmon);
}

.signup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 18px;
  font-family: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.signup-btn--block { display: flex; width: 100%; min-height: 52px; }
.signup-btn--primary { background: var(--sg-persimmon); color: #fff; border: 0; font-weight: 600; letter-spacing: 0.1em; }
.signup-btn--primary:active { background: var(--sg-persimmon-dark); }
.signup-btn--primary:disabled { background: #d9b59c; color: #fff8f1; cursor: not-allowed; }
.signup-btn--outline { background: transparent; color: var(--sg-persimmon); border: 1.5px solid var(--sg-persimmon); }
.signup-btn--outline:disabled { opacity: 0.5; cursor: not-allowed; }

.signup-error {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fbe9dc;
  color: var(--sg-persimmon-dark);
  font-size: 16px;
}
.signup-error.is-ok { background: #eef3e4; color: #3f5a24; }

.signup-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.signup-success { text-align: center; padding: 30px 20px; }
.signup-success-mark {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--sg-persimmon);
  color: #fff;
  font-size: 32px;
  line-height: 60px;
}
.signup-success-text { font-family: var(--sg-serif); font-size: 20px; line-height: 1.8; margin: 0; }


/* 登录提示 / 当前账号 */
.signup-login { text-align: center; }
a.signup-btn { text-decoration: none; box-sizing: border-box; }
.signup-login-text { margin: 0 0 18px; font-size: 17px; line-height: 1.8; color: var(--sg-brown-soft); }
.signup-login .signup-btn + .signup-btn { margin-top: 12px; }
.signup-account {
  margin: 4px 16px 0; text-align: center; font-size: 16px; color: var(--sg-brown-soft);
}
.signup-account strong { color: var(--sg-brown); font-weight: 600; margin-right: 6px; }
.signup-linkbtn {
  border: 0; background: none; padding: 10px 6px; font: inherit; font-size: 16px;
  color: var(--sg-persimmon); text-decoration: underline; cursor: pointer;
}
.signup-success .signup-btn { margin-top: 20px; }

/* 我的报名 */
.signup-mine .signup-hint { margin: 0 0 12px; }
.signup-mine-list { list-style: none; margin: 0; padding: 0; }
.signup-mine-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0; border-top: 1px solid var(--sg-line);
}
.signup-mine-item:first-child { border-top: 0; }
.signup-mine-main { flex: 1; min-width: 0; }
.signup-mine-name { margin: 0; font-size: 18px; font-weight: 600; }
.signup-mine-tag {
  display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px;
  font-size: 14px; font-weight: 400; color: var(--sg-persimmon); border: 1px solid var(--sg-sand);
  vertical-align: 2px;
}
.signup-mine-meta { margin: 4px 0 0; font-size: 16px; color: var(--sg-brown-soft); }
.signup-mine-item.is-cancelled .signup-mine-name,
.signup-mine-item.is-cancelled .signup-mine-meta { color: #a08b7a; }
.signup-mine-status { font-size: 16px; color: #a08b7a; white-space: nowrap; }
.signup-mine-cancel {
  flex: 0 0 auto; min-height: 48px; padding: 0 4px 0 12px;
  border: 0; background: none; font: inherit; font-size: 16px;
  color: #8c7a6b; text-decoration: underline; text-underline-offset: 3px;
  cursor: pointer; white-space: nowrap; -webkit-tap-highlight-color: transparent;
}
.signup-mine-cancel:disabled { opacity: 0.5; cursor: default; }

/* 取消确认弹窗 */
body.signup-modal-open { overflow: hidden; }
.signup-modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 20px; }
.signup-modal-backdrop { position: absolute; inset: 0; background: rgba(59, 36, 23, 0.45); }
.signup-modal-box {
  position: relative; width: 100%; max-width: 360px;
  padding: 26px 20px 20px; border-radius: 18px;
  background: var(--sg-ivory-2); box-shadow: 0 12px 40px rgba(59, 36, 23, 0.25);
  text-align: center;
}
.signup-modal-title { margin: 0 0 8px; font-family: var(--sg-serif); font-size: 20px; font-weight: 600; line-height: 1.5; color: var(--sg-brown); }
.signup-modal-text { margin: 0 0 20px; font-size: 16px; color: var(--sg-brown-soft); }
.signup-modal-actions { display: flex; gap: 12px; }
.signup-modal-actions .signup-btn { flex: 1; min-height: 52px; padding: 0 10px; }

.signup-tutors { padding: 18px 0 0 16px; }
.signup-tutor-row { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 16px 8px 0; }
.signup-tutor { flex: 0 0 62%; scroll-snap-align: start; }
.signup-tutor-img { aspect-ratio: 3 / 4; border-radius: 12px; background: var(--sg-sand); }
.signup-tutor-name { margin: 8px 0 0; font-size: 17px; text-align: center; }

.signup-footer { text-align: center; padding: 20px 16px 36px; font-size: 16px; color: var(--sg-brown-soft); }
.signup-footer a { color: inherit; }

@media (min-width: 600px) {
  .signup-main { padding-top: 8px; }
  .signup-hero { border-radius: var(--sg-radius); overflow: hidden; }
}