:root {
  --bg: #faf7f2;
  --bg2: #ffffff;
  --card: #ffffff;
  --border: #e2dcd0;
  --text: #1a1a2e;
  --text2: #8b7d6b;
  --accent: #c9a84c;
  --navy: #1a1a2e;
  --gold: #c9a84c;
  --success: #2d7d46;
  --danger: #c85032;
  --radius: 12px;
  --radius-sm: 6px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--navy); text-decoration: underline; }
body.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; background: var(--navy); }
.login-box { background: var(--card); padding: 48px; border-radius: var(--radius); max-width: 400px; width: 100%; }
.login-box h1 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.login-box h2 { font-size: 14px; font-weight: 400; color: var(--text2); margin-bottom: 28px; }
.admin-header { background: var(--card); border-bottom: 1px solid var(--border); }
.admin-header-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 60px; }
.admin-header .logo { font-family: var(--font-serif); font-weight: 700; font-size: 18px; color: var(--navy) !important; text-decoration: none !important; }
.admin-nav { display: flex; align-items: center; gap: 4px; }
.admin-nav a { color: var(--text2); padding: 8px 16px; border-radius: 100px; font-size: 13px; font-weight: 500; transition: all .15s; text-decoration: none; }
.admin-nav a:hover { background: var(--bg); color: var(--navy); text-decoration: none; }
.admin-nav a.logout { color: var(--text2); margin-left: 8px; }
.admin-body { max-width: 1200px; margin: 0 auto; padding: 32px; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); }
.stat-card .num { font-size: 30px; font-weight: 700; color: var(--navy); }
.stat-card .lbl { font-size: 11px; color: var(--text2); margin-top: 4px; text-transform: uppercase; letter-spacing: .5px; }
.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
th { background: var(--bg2); text-align: left; padding: 12px 16px; font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .8px; border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #faf7f2; }
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.toolbar h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 600; }
.card { background: var(--card); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); margin-bottom: 20px; }
.card h2 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.card h3 { font-size: 13px; font-weight: 600; margin-bottom: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 11px; font-weight: 600; color: var(--text2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; color: var(--text); font-size: 14px; outline: none; transition: border-color .15s; font-family: var(--font-sans); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.1); }
.btn { display: inline-block; padding: 8px 16px; border-radius: 100px; font-size: 13px; font-weight: 500; background: var(--bg2); color: var(--text); border: 1px solid var(--border); cursor: pointer; transition: all .2s; text-decoration: none; font-family: var(--font-sans); }
.btn:hover { border-color: var(--navy); color: var(--navy); text-decoration: none; }
.btn-primary { background: var(--navy); color: #fff !important; border-color: var(--navy); }
.btn-primary:hover { background: #2a2a4e; }
.btn-sm { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: 11px; background: var(--bg2); color: var(--text2); border: 1px solid var(--border); cursor: pointer; transition: all .2s; text-decoration: none; margin-right: 4px; }
.btn-sm:hover { background: var(--navy); color: #fff; border-color: var(--navy); text-decoration: none; }
.btn-danger { color: var(--danger) !important; border-color: var(--danger); }
.ok { color: var(--success); font-size: 13px; margin-bottom: 12px; }
.err { color: var(--danger); font-size: 13px; margin-bottom: 12px; }

/* 用户管理 */
.inline-form { display: inline-flex; gap: 4px; margin-right: 6px; }
.inline-form input { padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; font-family: inherit; }
.table-wrap table td { vertical-align: middle; }
.table-wrap .btn-sm { margin-right: 2px; }

/* 金币系统面板（概览页） */
.coin-panel { background: linear-gradient(135deg, #1a1a2e, #232342); border: 1px solid rgba(201,168,76,.35); border-radius: var(--radius); padding: 22px 24px; margin-bottom: 32px; color: #fff; }
.coin-panel-head { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; margin-bottom: 18px; color: #fff; }
.coin-panel-icon { font-size: 20px; }
.coin-panel-head .btn-sm { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.25); }
.coin-panel-head .btn-sm:hover { background: var(--gold); border-color: var(--gold); }
.coin-panel-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.coin-stat .coin-num { font-size: 30px; font-weight: 700; color: var(--gold); }
.coin-stat .coin-lbl { font-size: 11px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* 金币系统版块（设置页） */
.gold-heading { margin-top: 28px; color: var(--navy); font-size: 16px; display: flex; align-items: baseline; gap: 10px; }
.gold-heading-sub { font-size: 12px; color: var(--text2); font-weight: 400; }
.gold-box { margin-top: 12px; background: linear-gradient(135deg, rgba(201,168,76,.06), rgba(201,168,76,.02)); border: 1px solid rgba(201,168,76,.35); border-radius: 12px; padding: 16px 18px; }