:root {
  --ink: #152433;
  --ink-soft: #4a5d70;
  --paper: #e6f0f7;
  --paper-2: #f6fafd;
  --rule: #c5d6e6;
  --sidebar: #0c1c2e;
  --accent: #c46e38;
  --accent-2: #e8c4b0;
  --bad: #b5463a;
  --turn: #c4891a;
  --muted: #6a7784;
  --shadow: 0 22px 50px rgba(21, 36, 51, 0.08);
  --sans: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(196, 110, 56, 0.12), transparent 55%),
    var(--paper);
}
.sidebar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, var(--sidebar) 0%, #071320 100%);
  color: #e8f0f6;
  padding: 10px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}
.brand { display: flex; gap: 10px; align-items: center; }
.brand-mark {
  width: 40px; height: 40px;
  border: 1px solid var(--accent);
  color: var(--accent-2);
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
}
.brand strong, .brand em { display: block; }
.brand em { font-style: normal; color: #9bb3c6; font-size: 12px; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a, .nav-logout, .nav-ext {
  color: #d5e4ef;
  text-decoration: none;
  padding: 6px 10px;
  font-size: 14px;
}
.nav a.active { color: #fff; border-bottom: 2px solid var(--accent); }
.sidebar-tools { margin-left: auto; }
.main { padding: 24px 28px 48px; max-width: 1200px; }
.topbar h1 { margin: 0; font-size: 28px; }
.kicker { margin: 0; font-size: 12px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.welcome { color: var(--ink-soft); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 18px;
  min-height: 160px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 6px 0 8px; }
.card p { color: var(--ink-soft); font-size: 14px; }
.empty { color: var(--muted); }
.oa-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 8px 0 12px; }
.oa-add { display: flex; gap: 8px; }
.oa-add input, .login-form input {
  border: 1px solid var(--rule);
  background: #fff;
  padding: 8px 10px;
  font: inherit;
}
.btn {
  appearance: none;
  border: 1px solid var(--rule);
  background: #fff;
  font: inherit;
  padding: 8px 14px;
  cursor: pointer;
}
.btn.accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.oa-new-grants { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-bottom: 12px; }
.oa-status { color: var(--accent); min-height: 1.4em; }
.oa-del {
  appearance: none;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--bad);
  font: inherit;
  font-size: 12px;
  padding: 2px 8px;
  cursor: pointer;
}
.oa-table-wrap { overflow-x: auto; }
table.plain { border-collapse: collapse; width: 100%; background: var(--paper-2); }
table.plain th, table.plain td { border: 1px solid var(--rule); padding: 8px; text-align: left; font-size: 13px; }
.oa-tag {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border: 1px solid var(--rule);
  color: var(--muted);
  font-size: 10px;
}
.oa-tag.warn { color: var(--turn); }
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 28px 18px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  padding: 28px 24px 22px;
}
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--ink-soft); }
.login-form button {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #fff;
  font: inherit;
  padding: 12px;
  cursor: pointer;
}
.login-error { color: var(--bad); }
.login-foot { color: var(--muted); font-size: 13px; }