:root {
  color-scheme: light;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #18211d;
  background: #edf1ee;
  font-size: 15px;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: #edf1ee; }
button, input { font: inherit; }
button { cursor: pointer; }
.is-hidden { display: none !important; }
.eyebrow { margin: 0 0 5px; color: #587065; font-size: 11px; font-weight: 700; letter-spacing: 0; }
.muted { color: #68766f; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 6px; background: #1d5946; color: #fff; font-weight: 800; }

.login-shell { display: grid; place-items: center; min-height: 100vh; padding: 24px; background: #15221d; }
.login-panel { width: min(400px, 100%); padding: 32px; border: 1px solid #cad4ce; border-radius: 8px; background: #fff; box-shadow: 0 16px 50px rgb(0 0 0 / 20%); }
.login-panel .brand-mark { margin-bottom: 22px; }
.login-panel h1 { margin: 0; font-size: 26px; }
.login-panel label { display: block; margin: 24px 0 7px; font-weight: 650; }
.login-panel input { width: 100%; height: 44px; padding: 0 12px; border: 1px solid #9eada5; border-radius: 5px; outline: none; }
.login-panel input:focus { border-color: #1d5946; box-shadow: 0 0 0 3px rgb(29 89 70 / 14%); }
.login-panel button { width: 100%; height: 44px; margin-top: 14px; border: 0; border-radius: 5px; background: #1d5946; color: #fff; font-weight: 700; }
.form-message { min-height: 20px; margin: 12px 0 0; color: #a52d26; }

.app-shell { display: grid; grid-template-columns: 230px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 20px 14px; background: #15221d; color: #fff; }
.brand { display: flex; align-items: center; gap: 11px; padding: 0 6px 24px; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: 2px; color: #9fb1a9; font-size: 12px; }
.sidebar nav { display: grid; gap: 5px; }
.nav-button, .logout-button { width: 100%; min-height: 42px; padding: 0 12px; border: 0; border-radius: 5px; color: #cbd7d1; background: transparent; text-align: left; }
.nav-button:hover, .nav-button.is-active { color: #fff; background: #243a31; }
.nav-button span { float: right; min-width: 24px; padding: 2px 6px; border-radius: 10px; background: #a63b32; color: #fff; text-align: center; font-size: 11px; }
.logout-button { margin-top: auto; border: 1px solid #40574d; text-align: center; }

.workspace { min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 82px; padding: 15px clamp(20px, 4vw, 54px); border-bottom: 1px solid #d5ddd8; background: #fff; }
.topbar h1 { margin: 0; font-size: 22px; }
.status { display: flex; align-items: center; gap: 8px; color: #38584b; font-size: 13px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: #26a46f; box-shadow: 0 0 0 4px rgb(38 164 111 / 12%); }
.page { padding: 28px clamp(20px, 4vw, 54px) 60px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 12px; }
.metric-grid article { min-height: 118px; padding: 18px; border: 1px solid #d1dad5; border-radius: 7px; background: #fff; }
.metric-grid span, .metric-grid small { display: block; color: #6b7871; }
.metric-grid strong { display: block; margin: 8px 0 5px; font-size: 24px; }
.details-section { margin-top: 28px; padding-top: 25px; border-top: 1px solid #cdd6d1; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-heading h2 { margin: 0; font-size: 18px; }
.secondary-button { height: 36px; padding: 0 14px; border: 1px solid #9baba2; border-radius: 5px; background: #fff; color: #243d33; }
.details-list { margin: 0; border: 1px solid #d1dad5; border-radius: 7px; background: #fff; }
.details-list div { display: grid; grid-template-columns: 180px minmax(0, 1fr); padding: 13px 16px; border-bottom: 1px solid #e2e7e4; }
.details-list div:last-child { border-bottom: 0; }
.details-list dt { color: #68766f; }
.details-list dd { margin: 0; overflow-wrap: anywhere; font-weight: 600; }
.table-wrap { overflow-x: auto; border: 1px solid #d1dad5; border-radius: 7px; background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { padding: 12px 14px; border-bottom: 1px solid #e2e7e4; text-align: left; vertical-align: top; }
th { color: #5d6d65; background: #f5f7f6; font-size: 12px; }
td { max-width: 280px; overflow-wrap: anywhere; }
.approve-button { height: 32px; padding: 0 12px; border: 0; border-radius: 4px; background: #1d5946; color: #fff; white-space: nowrap; }
.empty-state { margin: 0; padding: 38px; color: #78847e; text-align: center; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; display: grid; grid-template-columns: 1fr auto; height: auto; padding: 12px 16px; }
  .brand { padding: 0; }
  .sidebar nav { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; margin-top: 12px; }
  .logout-button { grid-column: 2; grid-row: 1; width: auto; margin: 0; }
  .metric-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}

@media (max-width: 540px) {
  .login-panel { padding: 24px; }
  .topbar { align-items: flex-start; }
  .status { margin-top: 7px; }
  .metric-grid { grid-template-columns: 1fr; }
  .details-list div { grid-template-columns: 1fr; gap: 5px; }
}