* { box-sizing: border-box; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
       margin: 0; background: #f5f6f8; color: #1f2937; }
nav { background: #111827; color: #fff; display: flex; align-items: center;
      gap: 4px; padding: 0 16px; flex-wrap: wrap; }
nav .brand { font-weight: 700; margin-right: 18px; padding: 14px 0; }
nav a { color: #cbd5e1; text-decoration: none; padding: 14px 12px; font-size: 14px; }
nav a:hover { color: #fff; background: #1f2937; }
nav a.right { margin-left: auto; color: #fca5a5; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
h2 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; background: #fff; margin-top: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,.08); border-radius: 8px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eef0f3; font-size: 14px; }
th { background: #f9fafb; font-weight: 600; }
.empty { text-align: center; color: #9ca3af; padding: 24px; }
.mono { font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.in { color: #059669; font-weight: 600; }
.out { color: #dc2626; font-weight: 600; }
button { background: #2563eb; color: #fff; border: none; padding: 7px 14px;
         border-radius: 6px; cursor: pointer; font-size: 13px; }
button:hover { background: #1d4ed8; }
button.danger { background: #dc2626; }
button.danger:hover { background: #b91c1c; }
input, select { padding: 7px 9px; border: 1px solid #d1d5db; border-radius: 6px;
                font-size: 13px; }
.inline-form { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0; }
form.inline-form { margin: 12px 0; }
.flash { padding: 10px 14px; border-radius: 6px; margin: 10px 0; font-size: 14px; }
.flash.ok { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }
.hint { color: #6b7280; font-size: 13px; }
.cards { display: flex; gap: 16px; margin: 16px 0; }
.card { background: #fff; border-radius: 10px; padding: 20px; flex: 1; text-align: center;
        box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card .num { font-size: 32px; font-weight: 700; color: #2563eb; }
.panel { background: #fff; padding: 20px; border-radius: 10px; margin-bottom: 20px;
         box-shadow: 0 1px 3px rgba(0,0,0,.08); max-width: 600px; }
.panel label { display: block; margin: 12px 0 4px; font-size: 13px; color: #374151; }
.panel input { width: 100%; }
.panel button { margin-top: 16px; }

/* 登录页 */
.login-bg { background: linear-gradient(135deg,#1e3a8a,#0f172a); height: 100vh;
            display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; padding: 36px; border-radius: 14px; width: 340px;
              box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.login-card h1 { font-size: 20px; margin: 0; text-align: center; }
.login-card .sub { text-align: center; color: #6b7280; margin: 4px 0 20px; font-size: 13px; }
.login-card label { display: block; margin: 12px 0 4px; font-size: 13px; }
.login-card input { width: 100%; }
.login-card button { width: 100%; margin-top: 20px; padding: 10px; font-size: 15px; }
.captcha-row { display: flex; gap: 8px; align-items: center; }
.captcha-row img { height: 38px; border: 1px solid #d1d5db; border-radius: 6px; cursor: pointer; }

/* 交易流水批量工具栏 */
.toolbar { display: flex; align-items: center; gap: 10px; background: #fff;
           padding: 12px 14px; border-radius: 8px; margin: 12px 0;
           box-shadow: 0 1px 3px rgba(0,0,0,.08); flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.toolbar .muted { color: #6b7280; font-size: 13px; }
button.save-all { background: #059669; padding: 9px 18px; font-size: 14px; }
button.save-all:hover { background: #047857; }

/* 类型配色图例 */
.legend { display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
          background: #fff; padding: 10px 14px; border-radius: 8px; margin: 12px 0;
          box-shadow: 0 1px 3px rgba(0,0,0,.08); font-size: 13px; }
.legend-label { color: #6b7280; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; }
.legend .swatch { display: inline-block; width: 14px; height: 14px; border-radius: 3px;
                  border: 1px solid rgba(0,0,0,.12); }

/* 报表 */
.report-box { background: #fff; padding: 24px; border-radius: 10px; margin-top: 16px;
              box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.report-title { color: #6b7280; margin-bottom: 16px; }
.report-grid { display: flex; gap: 16px; }
.rep { flex: 1; padding: 20px; border-radius: 10px; text-align: center; }
.rep.in { background: #ecfdf5; } .rep.out { background: #fef2f2; } .rep.net { background: #eff6ff; }
.rep-label { font-size: 14px; color: #374151; }
.rep-num { font-size: 30px; font-weight: 700; margin: 8px 0; }
.rep.in .rep-num { color: #059669; } .rep.out .rep-num { color: #dc2626; } .rep.net .rep-num { color: #2563eb; }
.rep-sub { font-size: 12px; color: #6b7280; }