:root {
  --bg: #f4f6fb; --surface: #ffffff; --surface-2: #f0f3fa; --border: #e2e7f1; --text: #1b2333; --muted: #6a7487;
  --primary: #2f6df6; --primary-600: #2459d6; --primary-soft: #e8efff; --danger: #d64545; --danger-soft: #fdecec;
  --ok: #1f9d55; --ok-soft: #e4f6ec; --warn: #b7791f; --warn-soft: #fff4dc;
  --side: #121a2f; --side-text: #b9c3dc; --side-active: #26335a; --radius: 14px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 4px 14px rgba(16,24,40,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1424; --surface: #171f35; --surface-2: #1d2742; --border: #2a3556; --text: #e6ebf7; --muted: #93a0bd;
    --primary: #6b9bff; --primary-600: #8bb0ff; --primary-soft: #1f2d52; --danger: #ff7b7b; --danger-soft: #3a1f26;
    --ok: #4cd38a; --ok-soft: #17332a; --warn: #f2c15c; --warn-soft: #3a2f17;
    --side: #0a0f1d; --side-text: #9fb0d6; --side-active: #1b2747; --shadow: 0 1px 2px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--primary); text-decoration: none; } a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 16px; letter-spacing: -.01em; } h2 { font-size: 1.1rem; margin: 26px 0 10px; } h3 { font-size: 1rem; }
p { margin: 8px 0; } code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: .9em; }
pre { margin: 0; white-space: pre-wrap; word-break: break-word; font: inherit; max-width: 560px; }
.muted { color: var(--muted); }

/* --- каркас: боковое меню и верхняя полоса --- */
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-text); display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.05rem; padding: 4px 10px 18px; text-decoration: none; }
.brand:hover { text-decoration: none; } .brand .logo { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, #e63946, #f4a261); font-size: 1.1rem; }
.side nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side .group { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: #6f7ca3; padding: 14px 12px 4px; }
.side nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; color: var(--side-text); text-decoration: none; }
.side nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.side nav a.active { background: var(--side-active); color: #fff; font-weight: 600; }
.side nav a .ico { width: 22px; text-align: center; }
.userbox { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 10px 4px; font-size: .88rem; }
.userbox b { color: #fff; display: block; } .userbox span { color: #7f8db3; }
.userbox button.link { color: #b9c3dc; margin-top: 8px; }
.content { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: none; align-items: center; gap: 12px; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.burger { font-size: 1.4rem; cursor: pointer; line-height: 1; padding: 4px 8px; border-radius: 8px; } .burger:hover { background: var(--surface-2); }
.topbar .ttl { font-weight: 700; }
main { width: 100%; max-width: 1180px; margin: 0 auto; padding: 26px 24px 70px; }
.scrim { display: none; }
@media (max-width: 900px) {
  .shell { display: block; }
  .side { position: fixed; z-index: 40; inset: 0 auto 0 0; width: 270px; transform: translateX(-102%); transition: transform .2s ease; box-shadow: 0 0 40px rgba(0,0,0,.4); }
  .nav-toggle:checked ~ .shell .side { transform: none; }
  .nav-toggle:checked ~ .shell .scrim { display: block; position: fixed; z-index: 30; inset: 0; background: rgba(0,0,0,.45); }
  .topbar { display: flex; } main { padding: 18px 14px 60px; }
}

/* --- карточки, цифры, значки --- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; box-shadow: var(--shadow); }
.card h2:first-child { margin-top: 0; }
.card.narrow, .narrow { max-width: 440px; margin: 56px auto; }
.card.ok { border-left: 5px solid var(--ok); } .card.bad { border-left: 5px solid var(--danger); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin: 6px 0 12px; }
.stat { display: flex; gap: 14px; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat .ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--primary-soft); font-size: 1.3rem; flex: none; }
.stat .num { font-size: 1.6rem; font-weight: 700; line-height: 1.1; } .stat .num a { color: inherit; }
.stat .lbl { color: var(--muted); font-size: .85rem; }
.stat.ok .ico { background: var(--ok-soft); } .stat.bad .ico { background: var(--danger-soft); } .stat.warn .ico { background: var(--warn-soft); }
.stat.bad { border-color: var(--danger); }
.badge, .tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.badge.ok, .tag { background: var(--ok-soft); color: var(--ok); } .badge.warn { background: var(--warn-soft); color: var(--warn); } .badge.bad { background: var(--danger-soft); color: var(--danger); }

/* --- уведомления --- */
.flash { padding: 11px 14px; border-radius: 10px; margin: 0 0 12px; background: var(--ok-soft); color: var(--ok); border: 1px solid transparent; font-weight: 500; }
.flash.err { background: var(--danger-soft); color: var(--danger); }

/* --- формы и кнопки --- */
label { display: block; margin: 10px 0; font-size: .9rem; color: var(--muted); font-weight: 500; }
label.row { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 400; }
input, select, textarea, button, .button { font: inherit; }
input:not([type=checkbox]):not([type=radio]), select, textarea { width: 100%; padding: 9px 12px; margin-top: 4px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
input[type=checkbox], input[type=radio] { accent-color: var(--primary); width: 17px; height: 17px; }
input.short { width: 92px; display: inline-block; margin: 0 4px; } input.mid { width: 160px; display: inline-block; }
button, .button { display: inline-block; background: var(--primary); color: #fff; border: 0; border-radius: 10px; padding: 9px 16px; cursor: pointer; font-weight: 600; text-decoration: none; transition: background .15s; }
button:hover, .button:hover { background: var(--primary-600); text-decoration: none; }
button.secondary, .button.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover, .button.secondary:hover { background: var(--primary-soft); }
button.danger { background: var(--danger); } button.danger:hover { filter: brightness(.92); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.link { background: none; color: inherit; padding: 0; text-decoration: underline; border-radius: 0; font-weight: 400; }
form.inline { display: inline-block; margin: 2px 4px 2px 0; } form.inline input { width: auto; }
.filters { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; margin: 10px 0 14px; }
.filters label { margin: 0; } .filters input, .filters select { min-width: 150px; width: auto; }
fieldset { border: 1px solid var(--border); border-radius: 12px; margin: 12px 0; padding: 8px 14px; } legend { padding: 0 6px; color: var(--muted); font-size: .85rem; }
.cat { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; }
p > .button, p > form.inline { margin-right: 6px; }

/* --- таблицы --- */
.scroll { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin: 10px 0; }
table { border-collapse: collapse; width: 100%; min-width: 640px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
tr:last-child td { border-bottom: 0; } tbody tr:hover td, table tr:hover td { background: color-mix(in srgb, var(--primary-soft) 55%, transparent); }
.pager { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin: 12px 0; color: var(--muted); font-size: .9rem; }

/* --- вход --- */
body.plain { display: grid; place-items: center; min-height: 100vh; background: radial-gradient(1200px 600px at 20% -10%, var(--primary-soft), transparent), var(--bg); }
body.plain main { padding: 24px; }
.loginbrand { text-align: center; margin-bottom: 14px; } .loginbrand .logo { display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; background: linear-gradient(135deg, #e63946, #f4a261); font-size: 1.6rem; margin-bottom: 8px; }
@media (max-width: 640px) { body { font-size: 14.5px; } .filters input, .filters select { width: 100%; } .stat .num { font-size: 1.35rem; } }

.thumb { max-width: 240px; max-height: 240px; border-radius: 12px; border: 1px solid var(--border); display: block; }