:root {
    --fg: #1a1a1a;
    --muted: #666;
    --line: #ddd;
    --accent: #2b6cb0;
    --bg: #f7f7f8;
    --err: #c0392b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: var(--bg);
    line-height: 1.5;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; }
.topbar nav a { margin-right: 0.75rem; text-decoration: none; color: var(--accent); }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--muted); }
.topbar .logout { text-decoration: none; color: var(--err); }

.container { max-width: 1000px; margin: 1.5rem auto; padding: 0 1rem; }

.muted { color: var(--muted); }
.error { color: var(--err); }

.login-box {
    max-width: 320px;
    margin: 4rem auto;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
}
.login-box h1 { margin-top: 0; }
.login-box label { display: block; margin-bottom: 0.75rem; }
.login-box input {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 1rem;
}
button {
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

table { border-collapse: collapse; width: 100%; background: #fff; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #fafafa; }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.btn {
    display: inline-block; padding: 0.45rem 0.9rem; background: var(--accent);
    color: #fff; text-decoration: none; border-radius: 4px; font-size: 0.95rem;
}
.link-btn { background: none; border: 0; color: var(--err); cursor: pointer; font-size: 1rem; }
.btn:disabled, button:disabled { background: #c8ccd2; cursor: not-allowed; opacity: 0.7; }
form.inline { display: inline-flex; gap: 0.4rem; align-items: center; }
.danger { background: var(--err); }

/* секция добавления/правки позиций (этап 5.5) */
.pos-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; flex-wrap: wrap; }
.pos-form { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.pos-form input:not([type=number]) { min-width: 10rem; }
.pos-add { margin-top: 0.6rem; padding-top: 0.6rem; border-top: 1px dashed var(--line); }

fieldset { border: 1px solid var(--line); border-radius: 6px; margin: 0 0 1rem; padding: 0.75rem 1rem; background: #fff; }
legend { font-weight: 600; padding: 0 0.4rem; }
label { display: block; margin-bottom: 0.6rem; }
input, select, textarea {
    padding: 0.4rem; border: 1px solid var(--line); border-radius: 4px;
    font-size: 0.95rem; font-family: inherit;
}
input:not([type=number]), textarea { min-width: 16rem; max-width: 100%; }

dl.grid { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; }
dl.grid dt { color: var(--muted); }
dl.grid dd { margin: 0; }

.filters {
    display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center;
    margin: 0.5rem 0 1rem; padding: 0.75rem; background: #fff;
    border: 1px solid var(--line); border-radius: 6px;
}
.filters input[type=text] { flex: 1; min-width: 18rem; }
.filters .inline-label { display: inline-flex; align-items: center; gap: 0.3rem; margin: 0; color: var(--muted); }
.filters .reset { color: var(--muted); text-decoration: none; }

tr.overdue { background: #fff6f5; }
.tag-overdue {
    font-size: 0.72rem; color: #fff; background: var(--err);
    padding: 0.05rem 0.4rem; border-radius: 8px; white-space: nowrap;
}

.badge { font-size: 0.8rem; padding: 0.15rem 0.5rem; border-radius: 10px; vertical-align: middle; }
.badge-выдан { background: #e8f0fe; color: #1a56b8; }
.badge-частично-возвращён { background: #fff4e0; color: #a15c00; }
.badge-возвращён { background: #e6f6ea; color: #1a7a34; }

/* --- Печатная форма акта (этап 5) --- */
.act-page { background: var(--bg); }
.act-toolbar { max-width: 190mm; margin: 1rem auto 0; display: flex; gap: 0.75rem; }
.act {
    max-width: 190mm; margin: 1rem auto 2rem; background: #fff;
    padding: 16mm 14mm; border: 1px solid var(--line);
}
.act-head { display: flex; justify-content: space-between; align-items: baseline; color: var(--muted); font-size: 0.9rem; }
.act-company { font-weight: 700; color: var(--fg); font-size: 1.05rem; }
.act-title { font-size: 1.25rem; margin: 0.6rem 0 1rem; }
.act-fields { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; margin-bottom: 1rem; }
.act-fields dt { color: var(--muted); }
.act-fields dd { margin: 0; }
.act-h2 { font-size: 1rem; margin: 1.1rem 0 0.4rem; }
.act-table th, .act-table td { border: 1px solid var(--line); }
.act-terms-list { margin: 0.2rem 0 0; padding-left: 1.2rem; }
.act-terms-list li { margin-bottom: 0.3rem; }
.act-sign { display: flex; gap: 3rem; margin-top: 2.5rem; }
.act-sign .sign { flex: 1; }
.act-sign .sign-line { display: block; border-bottom: 1px solid var(--fg); height: 2rem; margin-bottom: 0.3rem; }
.act-sign .sign-cap { color: var(--muted); font-size: 0.85rem; }

@page { size: A4; margin: 18mm; }
@media print {
    .no-print, .topbar { display: none !important; }
    body, .act-page { background: #fff; }
    .act { max-width: none; margin: 0; padding: 0; border: 0; }
    .act-table tr { page-break-inside: avoid; }
    a[href]::after { content: ""; }   /* не печатать URL ссылок */
}