:root {
  --primary: #ff6a00;
  --primary-dark: #e85d00;
  --bg: #f4f6f9;
  --panel: #ffffff;
  --text: #1f2329;
  --muted: #8a94a6;
  --border: #e6e9f0;
  --side: #1c2531;
  --side-active: #27313f;
  --ok: #1aab5b;
  --warn: #e8a200;
  --danger: #e23d3d;
  --shadow: 0 2px 10px rgba(20, 30, 50, .06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
button { font-family: inherit; cursor: pointer; }
a { cursor: pointer; }

/* ===== 布局 ===== */
#app { display: flex; min-height: 100vh; }
.sidebar {
  width: 210px; background: var(--side); color: #cfd6e1; display: flex; flex-direction: column;
  flex-shrink: 0;
}
.sidebar .logo {
  padding: 22px 20px; font-size: 20px; font-weight: 700; color: #fff; line-height: 1.2;
}
.sidebar .logo span { display: block; font-size: 12px; font-weight: 400; color: var(--primary); margin-top: 4px; letter-spacing: 2px; }
.sidebar nav { flex: 1; padding: 8px 0; }
.sidebar nav a {
  display: block; padding: 13px 22px; color: #cfd6e1; text-decoration: none; font-size: 14px;
  border-left: 3px solid transparent; transition: .15s;
}
.sidebar nav a:hover { background: var(--side-active); color: #fff; }
.sidebar nav a.active { background: var(--side-active); color: #fff; border-left-color: var(--primary); }
.sidebar .side-foot { padding: 16px 20px; font-size: 11px; color: #5a6678; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 56px; background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px; box-shadow: var(--shadow);
}
.topbar .title { font-size: 16px; font-weight: 600; }
.topbar .user { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.topbar .role { background: #fff2e8; color: var(--primary-dark); padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.content { padding: 24px; overflow: auto; }

/* ===== 按钮 ===== */
.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text); padding: 8px 16px;
  border-radius: 6px; font-size: 13px; transition: .15s;
}
.btn:hover { border-color: #c9d0dc; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.primary:disabled { opacity: .6; cursor: default; }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.block { width: 100%; padding: 11px; font-size: 15px; margin-top: 6px; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }

/* ===== 页面通用 ===== */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.page-head h2 { margin: 0; font-size: 20px; }
h2 { margin: 0 0 16px; font-size: 20px; }
h3 { margin: 24px 0 12px; font-size: 16px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.toolbar select, .toolbar input { height: 34px; border: 1px solid var(--border); border-radius: 6px; padding: 0 10px; font-size: 13px; background: #fff; }
.toolbar input[type=date] { padding: 0 8px; }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 9px 16px; font-size: 14px; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tip { background: #fff7ee; color: var(--primary-dark); padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; border: 1px solid #ffe2c4; }

/* ===== 卡片 ===== */
.stat-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 8px; }
.stat-card { background: var(--panel); border-radius: 10px; padding: 18px 20px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.stat-card .num { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ===== 表格 ===== */
.tbl { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.tbl th, .tbl td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
.tbl th { background: #fafbfd; color: #5a6678; font-weight: 600; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: #fafbff; }
.tbl .ops a { color: var(--primary); margin-right: 10px; font-size: 13px; }
.tbl .ops a.danger { color: var(--danger); }
.thumb { width: 48px; height: 34px; object-fit: cover; border-radius: 4px; background: #eef; }
.empty { text-align: center; color: var(--muted); padding: 30px; }
.loading { text-align: center; color: var(--muted); padding: 40px; }

/* ===== 徽标 ===== */
.badge { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; }
.badge.on { background: #e7f7ee; color: var(--ok); }
.badge.off { background: #eef0f4; color: var(--muted); }
.badge.paid { background: #e7f7ee; color: var(--ok); }
.badge.unpaid { background: #fff3d6; color: var(--warn); }
.badge.warn { background: #fff3d6; color: var(--warn); }

/* ===== 分页 ===== */
.pager { display: flex; align-items: center; gap: 12px; margin-top: 14px; font-size: 13px; color: var(--muted); }

/* ===== 表单 ===== */
.form { background: var(--panel); border-radius: 10px; padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--border); max-width: 880px; }
.form-row { display: flex; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.form-row label { flex: 1; display: flex; flex-direction: column; font-size: 13px; color: #5a6678; gap: 6px; min-width: 160px; }
.form label { display: flex; flex-direction: column; font-size: 13px; color: #5a6678; gap: 6px; margin-bottom: 12px; }
.form input, .form textarea, .form select {
  border: 1px solid var(--border); border-radius: 6px; padding: 9px 11px; font-size: 14px; color: var(--text); background: #fff; font-family: inherit;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--primary); }
.form textarea { resize: vertical; }
.section-title { font-weight: 600; margin: 18px 0 10px; font-size: 14px; display: flex; align-items: center; gap: 12px; }
.sub-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.sub-row input { border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 13px; }
.sub-row .s-date { width: 150px; }
.sub-row .s-time, .sub-row .s-end { width: 110px; }
.sub-row .s-max, .sub-row .t-min, .sub-row .t-price { width: 130px; }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 18px; }
.cover-preview { max-width: 160px; max-height: 100px; margin-top: 8px; border-radius: 6px; border: 1px solid var(--border); display: block; }

/* ===== 登录 ===== */
.login-wrap { flex: 1; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1c2531 0%, #2b3a52 100%); }
.login-card { width: 360px; background: #fff; border-radius: 14px; padding: 38px 34px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.login-card .brand { font-size: 26px; font-weight: 800; color: var(--primary); text-align: center; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin: 6px 0 18px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #5a6678; margin-bottom: 14px; }
.login-card input { border: 1px solid var(--border); border-radius: 7px; padding: 11px 12px; font-size: 14px; }
.login-card input:focus { outline: none; border-color: var(--primary); }

/* ===== 模态框 ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(20,30,50,.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: #fff; border-radius: 12px; padding: 24px; width: 380px; max-width: 92vw; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.modal-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.modal-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #5a6678; margin-bottom: 12px; }
.modal-field input { border: 1px solid var(--border); border-radius: 6px; padding: 9px 11px; font-size: 14px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

/* ===== Toast ===== */
.toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%) translateY(-20px); background: #323a47; color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14px; opacity: 0; pointer-events: none; transition: .25s; z-index: 200; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--ok); }
.toast.error { background: var(--danger); }
.toast.info { background: #323a47; }

.fatal { max-width: 560px; margin: 80px auto; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px; line-height: 1.8; color: var(--text); box-shadow: var(--shadow); }

@media (max-width: 900px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .sidebar { width: 150px; }
}

/* ===== 邀请人管理 / 提示 ===== */
.info { background: #f0f5ff; color: #3b5a8a; padding: 12px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; border: 1px solid #d6e4ff; }

/* ===== 海报设置 ===== */
.section-title .hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.poster-section { background: #fafbfd; border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 12px; }
.poster-uploader { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #5a6678; margin-bottom: 16px; }
.poster-uploader input[type=file] { font-size: 13px; }
.poster-preview-wrap { display: flex; align-items: flex-start; gap: 12px; }
.poster-preview-wrap img { max-width: 200px; max-height: 120px; border-radius: 6px; border: 1px solid var(--border); background: #fff; }
.poster-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.poster-row label.check { display: flex; align-items: center; gap: 6px; min-width: 220px; margin: 0; font-size: 13px; color: var(--text); }
.poster-row label.check input { width: 16px; height: 16px; }
.poster-row input[type=text] { flex: 1; min-width: 180px; border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 13px; }
.poster-row.qrcode-row label.check { min-width: 130px; }
.poster-row.qrcode-row input { flex: 1; min-width: 140px; }