/* 例会罗盘 · 共享样式（设计基调：米白纸 + 赤陶，衬线标题，编辑风） */
:root {
  --bg: #faf9f5;
  --bg-deep: #f3f0e8;
  --card: #fffdf8;
  --card-2: #f6f2e9;
  --accent: #d97757;
  --accent-deep: #c05f41;
  --accent-dim: rgba(217, 119, 87, 0.35);
  --ink: #1f1e1d;
  --ink-2: #7c7368;
  --line: rgba(31, 30, 29, 0.14);
  --danger: #b84a3a;
  --ok: #5e8c5a;
  --serif: Georgia, "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }
a { color: var(--accent); text-decoration: none; }
body.no-scroll { overflow: hidden; }
[hidden] { display: none !important; }

/* 细分隔线（中间小菱形） */
.rule { display: flex; align-items: center; gap: 10px; }
.rule::before, .rule::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--accent-dim)); }
.rule::after { background: linear-gradient(90deg, var(--accent-dim), transparent); }
.rule .diamond { width: 6px; height: 6px; background: var(--accent); transform: rotate(45deg); flex: none; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px;
  border: 1px solid rgba(31, 30, 29, 0.22);
  border-radius: 6px;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.05em;
  background: var(--card);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(217, 119, 87, 0.05); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fffdf8; font-weight: 600; }
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fffdf8; }
.btn-danger { color: var(--danger); border-color: rgba(184, 74, 58, 0.4); }
.btn-danger:hover { border-color: var(--danger); background: rgba(184, 74, 58, 0.06); color: var(--danger); }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn-block { display: flex; width: 100%; padding: 13px; font-size: 16px; letter-spacing: 0.2em; text-indent: 0.2em; }

/* 表单 */
.field { margin-bottom: 18px; }
.label { display: block; font-size: 13px; color: var(--accent); letter-spacing: 0.12em; margin-bottom: 7px; }
.hint { font-size: 12px; color: var(--ink-2); margin-top: 6px; }
.input, .textarea {
  width: 100%;
  background: #fffdf8;
  border: 1px solid rgba(31, 30, 29, 0.18);
  border-radius: 6px;
  color: var(--ink);
  padding: 11px 13px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.14); }
.input::placeholder, .textarea::placeholder { color: #a79c8f; }

/* 文件选择区（虚线框） */
.file-drop {
  display: block;
  border: 1.5px dashed rgba(217, 119, 87, 0.45);
  border-radius: 10px;
  padding: 20px 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.file-drop:hover { border-color: var(--accent); background: rgba(217, 119, 87, 0.05); }
.file-drop-text { display: block; font-size: 15px; color: var(--accent); }
.file-drop-hint { display: block; margin-top: 6px; font-size: 12px; color: var(--ink-2); }

/* 表单结果提示（大字号、友好） */
.form-msg { margin-top: 16px; padding: 15px 14px; border-radius: 10px; text-align: center; font-size: 16px; line-height: 1.6; }
.form-msg.ok { background: rgba(94, 140, 90, 0.1); border: 1px solid rgba(94, 140, 90, 0.45); color: #4d754a; }
.form-msg.err { background: rgba(184, 74, 58, 0.08); border: 1px solid rgba(184, 74, 58, 0.4); color: #a03d2f; }

/* 社交账号编辑行（u.html / admin.html 共用） */
.social-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.social-platform { flex: 0 0 118px; }
.social-account { flex: 1; min-width: 0; }
select.input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237c7368' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 26px;
}
.social-del {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 6px;
  border: 1px solid rgba(31, 30, 29, 0.18);
  background: var(--card);
  color: var(--ink-2);
  font-size: 16px; line-height: 1;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.social-del:hover { border-color: var(--danger); color: var(--danger); }
.btn-small { padding: 7px 14px; font-size: 13px; min-height: 40px; }

/* 轻提示 toast */
.toast {
  position: fixed; left: 50%; bottom: 36px; transform: translateX(-50%) translateY(20px);
  background: #2a2723; border: 1px solid rgba(250, 249, 245, 0.14); color: #faf9f5;
  padding: 11px 22px; border-radius: 8px; font-size: 14px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 90; max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: rgba(94, 140, 90, 0.7); color: #b8d6b4; }
.toast.err { border-color: rgba(184, 74, 58, 0.7); color: #eab0a5; }