:root {
  --cream: #FFF8F0;
  --card: #FFFFFF;
  --orange: #F7A072;
  --orange-deep: #E8834A;
  --orange-soft: #FFF1E3;
  --text: #3D3229;
  --muted: #8C7F73;
  --ok: #5BA57A;
  --ok-soft: #EAF6EE;
  --line: #F2E7DB;
  --danger: #D9534F;
  --danger-soft: #FDECEA;
  --radius: 18px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #FFF3E8 0%, var(--cream) 42%);
  color: var(--text);
  font-size: 17px;
  line-height: 1.6;
  min-height: 100vh;
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
}

.wrap { max-width: 520px; margin: 0 auto; padding: 20px 18px; }

/* 顶部 */
.header { text-align: center; padding: 18px 0 6px; }
.header .logo { font-size: 46px; line-height: 1.1; }
.header h1 { font-size: 22px; margin: 6px 0 2px; }
.header .sub { color: var(--muted); font-size: 14px; }

/* 卡片 */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(200, 150, 110, .14);
  padding: 18px;
  margin-bottom: 14px;
}
.card h2 {
  font-size: 16px; margin: 0 0 12px; color: var(--muted); font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.card h2 .badge { font-weight: 600; }

/* 表单 */
label { display: block; font-size: 15px; color: var(--muted); margin: 12px 0 6px; }
input {
  width: 100%; padding: 15px 14px; font-size: 17px; color: var(--text);
  border: 2px solid var(--line); border-radius: 14px; background: #FFFDFB;
  outline: none; transition: border-color .15s;
}
input:focus { border-color: var(--orange); }
input::placeholder { color: #C4B7AA; }

.btn {
  display: block; width: 100%; margin-top: 18px; padding: 16px;
  border: none; border-radius: 15px; font-size: 18px; font-weight: 600;
  background: var(--orange); color: #fff; letter-spacing: .5px;
}
.btn:active { background: var(--orange-deep); }
.btn[disabled] { opacity: .55; }
.btn.ghost {
  background: #fff; color: var(--orange-deep); border: 2px solid var(--orange);
  font-size: 16px; padding: 13px; margin-top: 10px;
}
.btn.danger { background: #fff; color: var(--danger); border: 2px solid #F3C9C7; font-size: 16px; padding: 13px; }

/* 行 */
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 0; border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: none; }
.row .k { color: var(--muted); font-size: 15px; }
.row .v { font-weight: 600; }

/* 成员 */
.member { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.member:last-child { border-bottom: none; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; flex: 0 0 44px;
  background: var(--orange-soft); color: var(--orange-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.member .name { font-weight: 600; font-size: 16px; }
.member .meta { font-size: 13px; color: var(--muted); }
.member .right { margin-left: auto; }

.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--orange-soft); color: var(--orange-deep);
}
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.mute { background: #F3EFEB; color: var(--muted); }

/* 邀请码 */
.code-box {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--orange-soft); border-radius: 14px; padding: 14px; margin-top: 10px;
}
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 24px; font-weight: 700; letter-spacing: 4px; color: var(--orange-deep);
}
.code-box .desc { font-size: 13px; color: var(--muted); }
.mini {
  border: none; background: #fff; color: var(--orange-deep); font-weight: 600;
  border-radius: 10px; padding: 9px 14px; font-size: 14px;
}

/* 提示 */
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%);
  background: rgba(61, 50, 41, .94); color: #fff; padding: 12px 20px;
  border-radius: 12px; font-size: 15px; max-width: 88vw; text-align: center;
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 99;
}
.toast.show { opacity: 1; }
.alert {
  background: var(--danger-soft); color: var(--danger); border-radius: 12px;
  padding: 12px 14px; font-size: 15px; margin-top: 14px; display: none;
}
.alert.show { display: block; }
.alert.ok { background: var(--ok-soft); color: var(--ok); }

.muted { color: var(--muted); font-size: 14px; }
.center { text-align: center; }
.link { color: var(--orange-deep); font-weight: 600; text-decoration: none; }
.footer-note { color: var(--muted); font-size: 13px; text-align: center; margin-top: 18px; line-height: 1.8; }