:root { color-scheme: light; --ink:#172033; --muted:#64748b; --line:#d8dee9; --soft:#f6f8fb; --brand:#1565c0; --ok:#0f766e; --danger:#b91c1c; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: #fff; }
a { color: var(--brand); text-decoration: none; }
.topbar { height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 2; }
.brand { font-size: 24px; font-weight: 800; color: var(--ink); }
nav { display: flex; align-items: center; gap: 18px; }
nav form { margin: 0; }
.container { max-width: 1180px; margin: 0 auto; padding: 32px 24px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
h1 { margin: 0 0 8px; font-size: 32px; }
h2 { margin: 0 0 18px; }
h3 { margin: 20px 0 10px; }
p { color: var(--muted); }
button, .button { border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 10px 14px; border-radius: 7px; font: inherit; cursor: pointer; display: inline-flex; align-items: center; min-height: 40px; }
.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.actions { display: flex; align-items: center; gap: 10px; }
.actions form { margin: 0; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 10px 12px; font: inherit; background: #fff; min-height: 40px; }
textarea { min-height: 100px; resize: vertical; }
label { display: grid; gap: 7px; font-weight: 600; font-size: 14px; }
.stack { display: grid; gap: 14px; }
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.wide { grid-column: 1 / -1; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; }
.inline-form { display: grid; grid-template-columns: repeat(7, minmax(120px, 1fr)); gap: 10px; align-items: end; margin: 0 0 24px; }
table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); }
th { background: var(--soft); color: #42526a; text-transform: uppercase; font-size: 12px; letter-spacing: .04em; text-align: left; padding: 12px; }
td { border-top: 1px solid var(--line); padding: 12px; vertical-align: top; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stats div, .document-card { border: 1px solid var(--line); border-radius: 8px; padding: 20px; background: #fff; }
.stats strong { display: block; font-size: 34px; }
.stats span { color: var(--muted); }
.notice { padding: 12px 14px; border-radius: 7px; margin-bottom: 18px; }
.success { background: #ecfdf5; color: var(--ok); border: 1px solid #99f6e4; }
.error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.totals { margin-left: auto; margin-top: 22px; max-width: 320px; display: grid; gap: 8px; }
.totals div { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.guest { min-height: 100vh; display: grid; place-items: center; background: var(--soft); }
.auth-panel { width: min(420px, calc(100vw - 32px)); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
@media (max-width: 820px) { .grid-form, .inline-form, .stats { grid-template-columns: 1fr; } .topbar, nav, .page-head { align-items: flex-start; flex-direction: column; height: auto; } }