:root {
    --field:  #EAEDEE;
    --paper:  #FFFFFF;
    --ink:    #171A1C;
    --muted:  #69737A;
    --rule:   #D6DBDE;
    --steel:  #0B5D8F;
    --steel-soft: #E7F0F6;
    --warn:   #A82A2A;

    --sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Consolas, monospace;

    --gap: 20px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--field);
    color: var(--ink);
    font: 15px/1.5 var(--sans);
    font-variant-numeric: tabular-nums;
}

h1, h2 { font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: 24px; }
h2 { font-size: 15px; }

a { color: var(--steel); }

/* ---------------------------------------------------------------- шапка */

.bar {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 24px;
    height: 56px;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
}

.bar__mark { text-decoration: none; color: inherit; line-height: 1.2; }
.bar__mark-name { display: block; font-weight: 600; }
.bar__mark-sub  { display: block; font-size: 12px; color: var(--muted); }

.bar__nav { display: flex; gap: 20px; margin-right: auto; }
.bar__nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}
.bar__nav a:hover { color: var(--ink); }
.bar__nav a[aria-current] { color: var(--ink); border-bottom-color: var(--steel); }

.bar__user { display: flex; gap: 14px; align-items: center; font-size: 14px; color: var(--muted); }

/* ---------------------------------------------------------------- страница */

.page { max-width: 1180px; margin: 0 auto; padding: 28px 24px 80px; }

.page__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}
.page__sub { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.section-head { margin: 32px 0 12px; font-size: 13px; color: var(--muted); }

.notice, .alert {
    max-width: 1180px;
    margin: 16px auto -8px;
    padding: 10px 16px;
    border-left: 3px solid var(--steel);
    background: var(--steel-soft);
    font-size: 14px;
}
.alert { border-left-color: var(--warn); background: #FBEDED; color: var(--warn); }

.hint { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.hint--block { max-width: 70ch; margin-bottom: 8px; }

/* ---------------------------------------------------------------- формы */

.field { display: block; }
.field__label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }

input[type=text], input[type=password], select {
    width: 100%;
    padding: 8px 10px;
    font: inherit;
    font-variant-numeric: tabular-nums;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 3px;
}
input:focus, select:focus, button:focus-visible, a:focus-visible {
    outline: 2px solid var(--steel);
    outline-offset: 1px;
}
input::placeholder { color: #A6AEB3; }

.input--num { text-align: right; font-family: var(--mono); }

.check { display: flex; align-items: center; gap: 9px; padding: 5px 0; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--steel); }

.subfields { margin: 4px 0 12px 25px; }

.cols-2, .cols-3, .cols-4 { display: grid; gap: 14px var(--gap); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.field--wide { grid-column: 1 / -1; }

/* ---------------------------------------------------------------- кнопки */

.btn {
    display: inline-block;
    padding: 9px 18px;
    font: inherit;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    background: none;
}
.btn--primary { background: var(--steel); border-color: var(--steel); color: #fff; }
.btn--primary:hover { background: #0A527D; }
.btn--quiet { border-color: var(--rule); background: var(--paper); color: var(--ink); }
.btn--quiet:hover { border-color: var(--muted); }
.btn--wide { width: 100%; text-align: center; }

/* ---------------------------------------------------------------- таблицы */

.grid {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper);
    border: 1px solid var(--rule);
}
.grid th, .grid td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--rule);
}
.grid th { font-size: 12px; font-weight: 500; color: var(--muted); }
.grid tbody tr:last-child td { border-bottom: none; }
.grid .num { text-align: right; font-family: var(--mono); font-size: 14px; }
.grid th.num { font-family: var(--sans); }
.grid .dim  { color: var(--muted); font-size: 14px; }
.grid .code a { font-family: var(--mono); font-size: 14px; }
.grid .off td { opacity: .5; }
.row-actions { text-align: right; }
.row-actions .btn { padding: 4px 10px; font-size: 13px; color: var(--muted); }

.grid--inline td { padding: 6px 8px; }
.grid--inline input { border-color: transparent; background: transparent; }
.grid--inline input:hover { border-color: var(--rule); }
.grid--inline input:focus { background: var(--paper); }

/* ---------------------------------------------------------------- карточка КП */

.sheet { display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start; }
.sheet__main { display: flex; flex-direction: column; gap: 2px; }

.block { background: var(--paper); border: 1px solid var(--rule); }
.block + .block { border-top: none; }
.block__title {
    padding: 12px 20px;
    border-bottom: 1px solid var(--rule);
    color: var(--muted);
    font-weight: 500;
}
.block__body { padding: 18px 20px 20px; }

.sheet__side { position: sticky; top: 20px; display: flex; flex-direction: column; gap: 14px; }

.panel { background: var(--paper); border: 1px solid var(--rule); padding: 16px 18px; }
.panel__title { margin-bottom: 12px; color: var(--muted); font-weight: 500; }
.panel__note { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.panel--total { border-left: 3px solid var(--steel); }

.readout { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 7px 12px; }
.readout dt { color: var(--muted); font-size: 13px; }
.readout dd { margin: 0; font-family: var(--mono); font-size: 14px; text-align: right; }

.total { margin: 0; font-family: var(--mono); font-size: 26px; letter-spacing: -0.02em; }

/* ---------------------------------------------------------------- пусто */

.empty {
    background: var(--paper);
    border: 1px solid var(--rule);
    padding: 44px 32px;
    max-width: 56ch;
    color: var(--muted);
}
.empty__lead { font-size: 18px; color: var(--ink); margin: 0 0 8px; }
.empty p { margin: 0 0 20px; }

/* ---------------------------------------------------------------- вход */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}
.login {
    width: 100%;
    max-width: 380px;
    background: var(--paper);
    border: 1px solid var(--rule);
    padding: 34px 32px 28px;
}
.login__head { margin-bottom: 26px; }
.login__company { margin: 0 0 6px; font-size: 13px; color: var(--muted); }
.login__hint { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.login__form { display: flex; flex-direction: column; gap: 16px; }
.login__foot { margin: 22px 0 0; font-size: 13px; color: var(--muted); }
.login .notice, .login .alert { margin: 0 0 18px; }

/* ---------------------------------------------------------------- узкий экран */

@media (max-width: 940px) {
    .sheet { grid-template-columns: 1fr; }
    .sheet__side { position: static; }
    .cols-4 { grid-template-columns: repeat(2, 1fr); }
    .cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
    .bar { gap: 16px; padding: 0 14px; }
    .bar__mark-sub, .bar__user span { display: none; }
    .page { padding: 20px 14px 60px; }
    .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}