* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy: #1c365c; --steel: #2c4e7e; --gold: #b0894a;
  --bg: #f4f6fa; --card: #fff; --line: #dde3ec; --text: #1f2937; --muted: #6b7280;
  --green: #1e8449; --red: #c0392b; --orange: #d68910;
}
body { font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
a { color: var(--steel); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #cfe0f7; border-color: var(--steel); }

/* 登录 */
#login { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1c365c 0%, #2c4e7e 55%, #3d6ca3 100%); }
.login-card { width: 380px; background: #fff; border-radius: 14px; padding: 34px 30px; box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.login-card h1 { font-size: 20px; color: var(--navy); margin-bottom: 4px; }
.login-card .sub { color: var(--muted); font-size: 12px; margin-bottom: 22px; }
.login-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.login-tabs button { flex: 1; padding: 8px; border: 1px solid var(--line); background: #fff; border-radius: 8px; color: var(--muted); }
.login-tabs button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.form-row { margin-bottom: 12px; }
.form-row label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.btn { display: inline-block; padding: 9px 16px; border-radius: 7px; border: 1px solid transparent; background: var(--navy); color: #fff; font-size: 14px; }
.btn:hover { opacity: .92; }
.btn.block { width: 100%; }
.btn.ghost { background: #fff; color: var(--steel); border-color: var(--line); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.green { background: var(--green); }
.btn.red { background: var(--red); }
.btn.gold { background: var(--gold); }
.hint { color: var(--muted); font-size: 12px; margin-top: 12px; line-height: 1.7; }

/* 布局 */
#app { display: none; min-height: 100vh; }
.topbar { height: 56px; background: var(--navy); color: #fff; display: flex; align-items: center; padding: 0 20px; gap: 16px; position: sticky; top: 0; z-index: 20; }
.topbar .brand { font-weight: 700; letter-spacing: .5px; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 12px; opacity: .9; }
.topbar .logout { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); padding: 5px 12px; border-radius: 6px; font-size: 12px; }
.layout { display: flex; min-height: calc(100vh - 56px); }
.side { width: 190px; background: #fff; border-right: 1px solid var(--line); padding: 14px 10px; }
.side button { display: block; width: 100%; text-align: left; padding: 10px 12px; margin-bottom: 4px; border: none; background: transparent; color: #374151; border-radius: 8px; font-size: 14px; }
.side button.on { background: #eef3fa; color: var(--navy); font-weight: 600; }
.side button:hover { background: #f5f7fb; }
.main { flex: 1; padding: 20px 24px; overflow: auto; }
.page-head { display: flex; align-items: center; margin-bottom: 16px; gap: 12px; }
.page-head h2 { font-size: 18px; color: var(--navy); }
.page-head .spacer { flex: 1; }

/* 卡片 */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.card .k { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.card .v { font-size: 24px; font-weight: 700; color: var(--navy); }
.card .v small { font-size: 12px; font-weight: 400; color: var(--muted); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.panel h3 { font-size: 15px; color: var(--navy); margin-bottom: 12px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid #eef1f6; text-align: left; font-size: 13px; vertical-align: middle; }
th { background: #f7f9fc; color: var(--muted); font-weight: 600; font-size: 12px; }
tr:hover td { background: #fafbfe; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; background: #eef2f7; color: #4b5563; }
.tag.pending { background: #fdf3e3; color: var(--orange); }
.tag.approved, .tag.confirmed, .tag.paid { background: #e8f5ec; color: var(--green); }
.tag.rejected, .tag.revoked { background: #fdeaea; color: var(--red); }
.empty { padding: 26px; text-align: center; color: var(--muted); }

/* 弹窗 */
.mask { position: fixed; inset: 0; background: rgba(17,24,39,.45); display: flex; align-items: flex-start; justify-content: center; padding: 50px 16px; z-index: 50; overflow: auto; }
.modal { width: 760px; max-width: 100%; background: #fff; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal .m-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; }
.modal .m-head h3 { font-size: 16px; color: var(--navy); flex: 1; }
.modal .m-head .x { background: none; border: none; font-size: 20px; color: var(--muted); }
.modal .m-body { padding: 18px 20px; }
.modal .m-foot { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 10px; font-size: 13px; }
.kv .k { color: var(--muted); }

/* 审批流 */
.steps { margin-top: 6px; }
.step { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed #eef1f6; }
.step .dot { width: 22px; height: 22px; border-radius: 50%; background: #e5e7eb; color: #fff; font-size: 12px; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.step.done .dot { background: var(--green); }
.step.cur .dot { background: var(--gold); }
.step.rej .dot { background: var(--red); }
.step .info { flex: 1; }
.step .info .n { font-size: 13px; font-weight: 600; }
.step .info .m { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* 提示 */
.toast { position: fixed; top: 70px; right: 20px; background: #1f2937; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 13px; z-index: 99; opacity: 0; transform: translateY(-8px); transition: .2s; }
.toast.show { opacity: 1; transform: none; }
.toast.err { background: var(--red); }
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .side { width: 64px; }
  .side button { text-align: center; font-size: 11px; padding: 8px 2px; }
  .main { padding: 14px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
}