/* ============================================================
   小二推拿 · 会员管理系统 — 国风推拿主题样式
   配色:宣纸米黄 / 墨绿 / 朱红 / 描金
   ============================================================ */
:root {
  --paper: #f6f1e3;
  --paper-deep: #efe7d2;
  --card: #fffdf6;
  --ink: #2b2b2b;
  --ink-soft: #5c5647;
  --cinnabar: #9a3b26;
  --cinnabar-deep: #7d2d1b;
  --pine: #2f4f45;
  --pine-deep: #24392f;
  --gold: #c9a227;
  --line: #d9cfb6;
  --ok: #3c7a58;
  --warn: #b07d2e;
  --danger: #a33;
  --shadow: 0 2px 10px rgba(60, 45, 20, .08);
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { font-size: 15px; }
body {
  font-family: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "SimSun", serif;
  color: var(--ink);
  background:
    radial-gradient(rgba(154, 59, 38, .035) 1px, transparent 1px) 0 0/22px 22px,
    linear-gradient(160deg, var(--paper) 0%, var(--paper-deep) 100%);
  min-height: 100vh;
}

/* ===== 布局骨架 ===== */
#app { display: flex; min-height: 100vh; }
#sidebar {
  width: 210px; flex-shrink: 0; color: #efe9d8;
  background: linear-gradient(180deg, var(--pine-deep), var(--pine));
  border-right: 3px solid var(--gold);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 20px 16px 16px; border-bottom: 1px solid rgba(201,162,39,.35); }
.seal {
  width: 46px; height: 46px; flex-shrink: 0;
  background: #fff; border-radius: 50%; overflow: hidden;
  box-shadow: 0 0 0 2px var(--gold), var(--shadow);
}
.seal img { width: 100%; height: 100%; display: block; }
.brand-name { font-size: 19px; letter-spacing: 3px; color: #f5e9c9; }
.brand-sub { font-size: 12px; letter-spacing: 2px; opacity: .75; margin-top: 2px; }

#nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.nav-btn {
  font-family: inherit; font-size: 15px; letter-spacing: 2px; text-align: left;
  background: transparent; color: #dfe6da; border: 1px solid transparent;
  padding: 10px 14px; border-radius: 8px; cursor: pointer; transition: all .15s;
  white-space: nowrap;
}
.nav-btn:hover { background: rgba(255,255,255,.07); }
.nav-btn.active {
  background: var(--cinnabar); color: #fff; border-color: var(--gold);
  box-shadow: var(--shadow);
}

#main { flex: 1; min-width: 0; padding: 18px 24px 60px; }
#topbar { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px;
  border-bottom: 2px solid var(--line); padding-bottom: 10px; }
#topbar::after { content: ""; }
#page-title { font-size: 24px; letter-spacing: 4px; color: var(--pine-deep); }
#page-title::before { content: "◆ "; color: var(--cinnabar); font-size: 16px; }
#today-label { color: var(--ink-soft); font-size: 13px; letter-spacing: 1px; }

/* ===== 页面切换 ===== */
.page { display: none; animation: fadein .25s; }
.page.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }

/* ===== 卡片 ===== */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; margin-bottom: 16px;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold) 40%, transparent);
}
.card-title {
  font-size: 17px; letter-spacing: 2px; color: var(--pine-deep);
  margin-bottom: 12px; padding-left: 10px; border-left: 4px solid var(--cinnabar);
}
.hint { font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; margin: 8px 0; }

/* ===== 统计格 ===== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; text-align: center; box-shadow: var(--shadow);
}
.stat .num { font-size: 26px; color: var(--cinnabar); font-weight: 700; }
.stat .num small { font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.stat .lbl { font-size: 13px; color: var(--ink-soft); margin-top: 4px; letter-spacing: 2px; }

/* ===== 表单 ===== */
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .input { flex: 1; min-width: 180px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; color: var(--ink-soft); letter-spacing: 1px; }
.input, select.input, textarea.input {
  font-family: inherit; font-size: 15px; color: var(--ink);
  background: #fffef9; border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 12px; outline: none; width: 100%;
}
.input:focus { border-color: var(--cinnabar); box-shadow: 0 0 0 2px rgba(154,59,38,.12); }

.btn {
  font-family: inherit; font-size: 14.5px; letter-spacing: 1px; cursor: pointer;
  background: var(--card); color: var(--pine-deep);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 18px;
  transition: all .15s;
}
.btn:hover { border-color: var(--gold); background: #fff6e0; }
.btn-primary { background: var(--cinnabar); border-color: var(--cinnabar-deep); color: #fff8ef; }
.btn-primary:hover { background: var(--cinnabar-deep); }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ===== 列表 ===== */
.list-item {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 4px; border-bottom: 1px dashed var(--line); flex-wrap: wrap;
}
.list-item:last-child { border-bottom: none; }
.item-main { min-width: 0; flex: 1; }
.item-title { font-size: 16px; color: var(--ink); }
.item-title .tag { font-size: 11px; vertical-align: 2px; }
.item-sub { font-size: 12.5px; color: var(--ink-soft); margin-top: 3px; }
.item-right { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.empty { text-align: center; color: var(--ink-soft); padding: 26px 0; font-size: 13.5px; letter-spacing: 2px; }

/* 标签 */
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid; }
.tag-stored { color: var(--cinnabar); border-color: var(--cinnabar); background: rgba(154,59,38,.07); }
.tag-punch { color: var(--pine); border-color: var(--pine); background: rgba(47,79,69,.08); }
.tag-ok { color: var(--ok); border-color: var(--ok); }
.tag-warn { color: var(--warn); border-color: var(--warn); }
.tag-off { color: #999; border-color: #ccc; }
.tag-danger { color: var(--danger); border-color: var(--danger); }

/* 表格 */
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; color: var(--pine-deep); font-weight: 700; letter-spacing: 1px;
  border-bottom: 2px solid var(--gold); padding: 8px 6px; white-space: nowrap; }
.tbl td { border-bottom: 1px dashed var(--line); padding: 8px 6px; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }

/* 会员卡小票样式 */
.card-chit {
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 8px 0;
  background: linear-gradient(135deg, #fffef9, var(--paper));
  display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap;
}
.card-chit .amt { font-size: 20px; color: var(--cinnabar); font-weight: 700; }

/* 提醒条目 */
.rem-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px 4px; border-bottom: 1px dashed var(--line); }
.rem-item:last-child { border-bottom: none; }
.rem-text { flex: 1; font-size: 14.5px; line-height: 1.6; }

/* ===== 弹窗 ===== */
#modal-mask {
  position: fixed; inset: 0; background: rgba(30, 25, 15, .45); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
#modal-mask[hidden] { display: none; }
#modal {
  background: var(--card); border: 1px solid var(--gold); border-radius: 12px;
  width: 520px; max-width: 100%; max-height: 86vh; overflow: auto; padding: 20px 22px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
#modal-title { font-size: 18px; letter-spacing: 2px; color: var(--pine-deep); margin-bottom: 14px;
  border-left: 4px solid var(--cinnabar); padding-left: 10px; }
#modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }

/* ===== Toast ===== */
#toast {
  position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%);
  background: var(--pine-deep); color: #f2ecd9; padding: 10px 22px; border-radius: 999px;
  font-size: 14px; letter-spacing: 1px; z-index: 99; box-shadow: var(--shadow);
  border: 1px solid var(--gold); max-width: 90vw;
}
#toast[hidden] { display: none; }
#toast.err { background: var(--cinnabar-deep); }

/* ============================================================
   响应式:手机端顶部横滑导航 + 单列表单
   ============================================================ */
@media (max-width: 860px) {
  #app { flex-direction: column; }
  #sidebar { width: 100%; height: auto; position: sticky; top: 0; z-index: 40; border-right: none;
    border-bottom: 3px solid var(--gold); }
  .brand { padding: 12px 14px 8px; border-bottom: none; }
  #nav { flex-direction: row; overflow-x: auto; padding: 6px 10px 10px; gap: 8px; }
  .nav-btn { padding: 8px 14px; font-size: 14px; }
  #main { padding: 14px 14px 40px; }
  #page-title { font-size: 20px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  #toast { bottom: 24px; }
  table.tbl { font-size: 13px; }
}

/* ===== 登录页 ===== */
#top-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
#user-box { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; }
#login-mask {
  position: fixed; inset: 0; z-index: 950;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(rgba(154, 59, 38, .05) 1px, transparent 1px) 0 0/22px 22px,
              linear-gradient(160deg, var(--paper) 0%, var(--paper-deep) 100%);
}
#login-mask[hidden] { display: none; }
#login-box {
  width: min(360px, 92vw); background: var(--card);
  border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 12px 44px rgba(60, 45, 20, .22);
  padding: 30px 28px 24px; display: flex; flex-direction: column; align-items: center; gap: 12px;
  position: relative; overflow: hidden; animation: fadein .3s;
}
#login-box::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold) 50%, var(--pine));
}
#login-box .seal { width: 76px; height: 76px; margin-top: 4px; }
.login-title { font-size: 23px; letter-spacing: 5px; color: var(--pine-deep); margin-top: 4px; }
.login-sub { font-size: 13px; letter-spacing: 3px; color: var(--ink-soft); margin-bottom: 8px; }
#login-box .input { width: 100%; }
#lg-msg { color: var(--danger); font-size: 13px; min-height: 18px; text-align: center; }