:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: #f5f7fb; color: #182230; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.login-panel { width: min(440px, calc(100% - 2rem)); margin: 0 auto; }
.navbar { background: #172554; color: #fff; padding: 1rem 0; }
.navbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.brand { color: #fff; font-weight: 700; text-decoration: none; }
.nav-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.nav-links a { color: #dbeafe; text-decoration: none; font-size: .95rem; }
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; text-decoration: underline; }
.nav-logout { margin: 0; }
.main { padding: 2rem 0; }
.login-main { min-height: calc(100vh - 74px); display: flex; align-items: flex-start; padding-top: clamp(2rem, 10vh, 6rem); }
.page-title { margin: 0 0 .4rem; }
.muted { color: #64748b; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 1.5rem 0; }
.card { background: #fff; border: 1px solid #e2e8f0; border-radius: .75rem; padding: 1.25rem; box-shadow: 0 3px 12px rgb(15 23 42 / 5%); }
.card-label { color: #64748b; font-size: .85rem; }
.card-value { display: block; font-size: 1.7rem; font-weight: 700; margin-top: .25rem; }
.section-title { margin-top: 2rem; }
.module-grid { grid-template-columns: repeat(3, 1fr); }
.module-grid h2 { font-size: 1.1rem; margin-top: 0; }
.badge { display: inline-block; color: #075985; background: #e0f2fe; border-radius: 999px; padding: .25rem .6rem; font-size: .8rem; }
.notice { border-left: 4px solid #2563eb; background: #eff6ff; padding: 1rem; color: #1e3a8a; }
.notice.error { border-left-color: #dc2626; background: #fef2f2; color: #991b1b; }
label { display: grid; gap: .4rem; font-weight: 600; }
input, select, textarea { width: 100%; border: 1px solid #cbd5e1; border-radius: .375rem; padding: .55rem .7rem; font: inherit; background: #fff; }
textarea { min-height: 5rem; resize: vertical; }
button { cursor: pointer; }
.form-grid { display: grid; gap: 1rem; }
.inline-form { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; margin: 1rem 0; }
.inline-form input { flex: 1 1 12rem; }
.card h2 { font-size: 1.15rem; }
.card a { color: #1d4ed8; margin-right: .75rem; }
@media (max-width: 760px) { .navbar-inner { align-items: flex-start; flex-direction: column; } .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .grid, .module-grid { grid-template-columns: 1fr; } }