/* Оформление сайта nbutovo.ru. Всё локально: системные шрифты, без CDN,
   без внешних картинок и скриптов. */

:root {
    --brand:        #0C556A;
    --brand-dark:   #094354;
    --brand-light:  #e6f1f4;
    --bg:           #f4f6f7;
    --card:         #ffffff;
    --text:         #1c2124;
    --muted:        #5f6b72;
    --line:         #dfe4e7;
    --ok-bg:        #e7f5ec;
    --ok-line:      #2e9e5b;
    --err-bg:       #fdeceb;
    --err-line:     #d2372a;
    --warn:         #c0392b;
    --radius:       10px;
    --shadow:       0 1px 2px rgba(16, 24, 32, .06), 0 4px 16px rgba(16, 24, 32, .06);
}

@media (prefers-color-scheme: dark) {
    :root {
        --brand:       #3ba0bd;
        --brand-dark:  #55b6d1;
        --brand-light: #16323c;
        --bg:          #14181b;
        --card:        #1c2225;
        --text:        #e8edf0;
        --muted:       #9aa7ae;
        --line:        #2c353a;
        --ok-bg:       #13301f;
        --ok-line:     #3aa76a;
        --err-bg:      #341917;
        --err-line:    #e05a4d;
        --warn:        #ef8a80;
        --shadow:      0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);
    }
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

.wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

/* --- Шапка --- */

.site-header {
    background: var(--brand);
    color: #fff;
    padding: 22px 0 20px;
    margin-bottom: 22px;
}

@media (prefers-color-scheme: dark) {
    .site-header { background: #10262e; }
}

.site-header .wrap { padding-bottom: 0; }

.site-title {
    margin: 0 0 14px;
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -.01em;
    color: #fff;
}

.site-title a { color: #fff; text-decoration: none; }

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.nav a {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, .22);
    transition: background .15s;
}

.nav a:hover { background: rgba(255, 255, 255, .26); }

/* --- Карточки --- */

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 22px;
    margin-bottom: 18px;
}

.card > :first-child { margin-top: 0; }
.card > :last-child  { margin-bottom: 0; }

h2 {
    margin: 0 0 14px;
    font-size: 19px;
    font-weight: 600;
}

h3 {
    margin: 20px 0 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .04em;
}

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

hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 16px 0;
}

.notice {
    border-left: 3px solid var(--warn);
    background: var(--err-bg);
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.notice strong { color: var(--warn); }

.muted { color: var(--muted); font-size: 14px; }

ul.plain { margin: 8px 0; padding-left: 20px; }
ul.plain li { margin: 3px 0; }

/* --- Сообщения --- */

.flash {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 8px;
    border-left: 3px solid;
    font-size: 15px;
}
.flash-ok    { background: var(--ok-bg);  border-color: var(--ok-line); }
.flash-error { background: var(--err-bg); border-color: var(--err-line); }

/* --- Показатели в ЛК --- */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.stat {
    background: var(--brand-light);
    border-radius: 8px;
    padding: 14px 16px;
}

.stat .label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 3px;
}

.stat .value {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.2;
}

.stat .value.small { font-size: 16px; font-weight: 500; }
.stat .value.bad   { color: var(--warn); }

/* --- Таблицы --- */

.table-scroll { overflow-x: auto; }

table.data {
    border-collapse: collapse;
    width: 100%;
    font-size: 15px;
}

table.data th {
    text-align: left;
    font-size: 13px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 600;
    padding: 6px 10px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

table.data td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

table.data tr:last-child td { border-bottom: 0; }
table.data td.num { white-space: nowrap; }

/* --- Формы --- */

.field { margin-bottom: 14px; }

.field label {
    display: block;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 5px;
}

input[type=text],
input[type=password],
textarea {
    width: 100%;
    font: inherit;
    font-size: 15px;
    padding: 9px 11px;
    color: var(--text);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 7px;
}

input[type=text]:focus,
input[type=password]:focus,
textarea:focus {
    outline: 0;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-light);
}

textarea { resize: vertical; min-height: 90px; }
textarea[readonly] { background: var(--bg); color: var(--muted); }

button, input[type=submit] {
    font: inherit;
    font-size: 15px;
    font-weight: 500;
    padding: 9px 20px;
    background: var(--brand);
    color: #fff;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    transition: background .15s;
}

button:hover, input[type=submit]:hover { background: var(--brand-dark); }

button.secondary, input[type=submit].secondary {
    background: transparent;
    color: var(--brand);
    border: 1px solid var(--line);
}
button.secondary:hover { background: var(--brand-light); }

/* Строка «поле + кнопка» в анкете ЛК */
.edit-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}
.edit-row input[type=text],
.edit-row textarea { flex: 1 1 auto; }
.edit-row input[type=submit] { flex: 0 0 auto; }

.prefix-row { display: flex; gap: 8px; align-items: center; }
.prefix-row .prefix { color: var(--muted); }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0 16px;
}

/* --- Подвал --- */

.site-footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    padding: 8px 0 24px;
}

@media (max-width: 520px) {
    .site-title { font-size: 21px; }
    .nav a { flex: 1 1 auto; text-align: center; }
    .card { padding: 16px; }
}