/* ---- Design tokens ------------------------------------------------------ */
:root {
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --bg: #f3f5f9;
  --bg-elev: #ffffff;
  --bg-sunken: #e9edf3;
  --fg: #16202c;
  --fg-muted: #64707f;
  --fg-faint: #98a2b3;
  --border: #dde3ec;
  --border-strong: #c7d0dc;

  --accent: #2f6fed;
  --accent-strong: #1d55c7;
  --accent-soft: #e6eefc;
  --accent-fg: #ffffff;

  --ok: #1a8f4d;
  --ok-soft: #e3f5ea;
  --warn: #b8640b;
  --warn-soft: #fff1dc;
  --danger: #c93a3a;
  --danger-soft: #fde8e8;
  --info: #3b5bdb;
  --info-soft: #e7ebfb;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);
  --ring: 0 0 0 3px rgba(47, 111, 237, .25);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --bg-elev: #171e28;
    --bg-sunken: #0b0f14;
    --fg: #e7ecf3;
    --fg-muted: #9aa6b6;
    --fg-faint: #6b7787;
    --border: #273241;
    --border-strong: #35435a;
    --accent: #5b8def;
    --accent-strong: #7ea4f3;
    --accent-soft: #1b2a45;
    --ok: #4cc47f; --ok-soft: #12301f;
    --warn: #e5a04a; --warn-soft: #3a2a12;
    --danger: #ef6b6b; --danger-soft: #3d1c1c;
    --info: #8ea6f5; --info-soft: #1d2646;
    --shadow: 0 1px 2px rgba(0,0,0,.4);
    --shadow-lg: 0 16px 40px rgba(0,0,0,.5);
    --ring: 0 0 0 3px rgba(91, 141, 239, .35);
  }
}

/* ---- Base ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  font: 15px/1.55 var(--font); color: var(--fg); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 26px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 650; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
p { margin: 0 0 10px; }
code, .mono { font-family: var(--mono); font-size: 13px; }
code { background: var(--bg-sunken); padding: 1px 6px; border-radius: 5px; }
svg { width: 18px; height: 18px; flex: none; }
.ic { width: 18px; height: 18px; color: var(--fg-muted); vertical-align: -3px; margin-right: 6px; }
.muted { color: var(--fg-muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.hint { color: var(--fg-faint); font-weight: 400; font-size: 12px; margin-left: 4px; }
.hint-line { color: var(--fg-muted); font-size: 13px; margin: 6px 0 0; }
.top-gap { margin-top: 16px; }
[hidden] { display: none !important; }

/* ---- Shell --------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--accent), #6d4de6); box-shadow: var(--shadow); }
.brand-mark svg { width: 18px; height: 18px; }
.brand.big { font-size: 20px; }
.brand.big .brand-mark { width: 44px; height: 44px; border-radius: 12px; }
.brand.big .brand-mark svg { width: 24px; height: 24px; }
.mainnav { display: flex; gap: 4px; margin-left: 8px; }
.mainnav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; color: var(--fg-muted); font-weight: 500; }
.mainnav a:hover { background: var(--bg-sunken); color: var(--fg); text-decoration: none; }
.mainnav a.active { background: var(--accent-soft); color: var(--accent); }
.mainnav svg { width: 17px; height: 17px; }
.usermenu { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.avatar-link { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); padding: 4px 8px 4px 4px; border-radius: 999px; }
.avatar-link:hover { background: var(--bg-sunken); text-decoration: none; }
.avatar { width: 30px; height: 30px; border-radius: 50%; display: inline-grid; place-items: center; font-weight: 700; font-size: 13px;
  color: #fff; background: linear-gradient(135deg, #6d4de6, var(--accent)); flex: none; }
.avatar.lg { width: 52px; height: 52px; font-size: 20px; border-radius: 14px; }
.usermenu-name { font-weight: 500; font-size: 14px; }
.page { max-width: 1180px; margin: 0 auto; padding: 32px 24px 48px; }
.footer { text-align: center; color: var(--fg-faint); font-size: 12px; padding: 24px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head p { margin: 0; }
.crumbs { color: var(--fg-muted); font-size: 13px; margin: 0 0 8px; }

/* ---- Cards & layout ----------------------------------------------------- */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; margin-bottom: 20px; box-shadow: var(--shadow); }
.card.flush { padding: 0; overflow: hidden; }
.card.highlight { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--bg-elev) 60%); }
.card.danger-card { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px 20px; }
.grid-2.top, .grid-3.top { align-items: start; }
.span-2 { grid-column: span 2; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.inline { display: inline-flex; align-items: center; gap: 8px; }
.inline-field { display: flex; gap: 8px; align-items: center; }
.inline-field select, .inline-field input { flex: 1; }
.props { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; }
.props dt { color: var(--fg-muted); font-size: 13px; }
.props dd { margin: 0; }
.list { list-style: none; margin: 0 0 12px; padding: 0; }
.list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: none; }
.steps { padding-left: 20px; color: var(--fg-muted); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 0 0 24px; }
.tabs a { padding: 10px 14px; margin-bottom: -1px; border-bottom: 2px solid transparent; color: var(--fg-muted); font-weight: 500; }
.tabs a:hover { color: var(--fg); text-decoration: none; }
.tabs a.active { color: var(--accent); border-color: var(--accent); }
details > summary { cursor: pointer; color: var(--accent); font-weight: 500; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "▸ "; color: var(--fg-faint); }
details[open] > summary::before { content: "▾ "; }
details > form, details > .stack { margin-top: 12px; }
details.danger-zone > summary { color: var(--danger); }
details.inline-details > summary::before { content: none; }

/* ---- Admin layout ---------------------------------------------------------- */
.admin { display: grid; grid-template-columns: 210px 1fr; gap: 28px; align-items: start; }
.sidenav { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 2px; }
.sidenav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: var(--fg-muted); font-weight: 500; }
.sidenav a:hover { background: var(--bg-sunken); color: var(--fg); text-decoration: none; }
.sidenav a.active { background: var(--accent-soft); color: var(--accent); }
.admin-main { min-width: 0; }

/* ---- Forms ---------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 6px; }
label { font-weight: 600; font-size: 13px; }
input[type=text], input[type=password], input[type=number], input[type=search], input[type=email], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--bg-elev); color: var(--fg); font: inherit; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
textarea { resize: vertical; }
.checks { display: flex; flex-direction: column; gap: 8px; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.code-input { font-family: var(--mono); font-size: 22px; letter-spacing: .18em; text-align: center; padding: 12px; }
.search { position: relative; display: flex; align-items: center; min-width: 260px; }
.search svg { position: absolute; left: 12px; color: var(--fg-faint); width: 16px; height: 16px; }
.search input { padding-left: 36px; }

/* ---- Buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--fg); font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s, box-shadow .15s; white-space: nowrap;
}
.btn:hover { background: var(--bg-sunken); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn svg { width: 17px; height: 17px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, var(--border-strong)); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--fg-muted); }
.btn.ghost:hover { background: var(--bg-sunken); color: var(--fg); }
.btn.small { padding: 6px 11px; font-size: 13px; }
.btn.block { width: 100%; }
.icon-btn { padding: 8px; }
.danger-text { color: var(--danger); }
summary.btn { display: inline-flex; }

/* ---- Badges, toasts, banners ------------------------------------------------ */
.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--bg-sunken); color: var(--fg-muted); border: 1px solid var(--border); }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.info { background: var(--info-soft); color: var(--info); border-color: transparent; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; font-weight: 600; font-size: 14px; }
.status-pill.ok { background: var(--ok-soft); color: var(--ok); }
.status-pill.warn { background: var(--warn-soft); color: var(--warn); }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; border: 1px solid transparent; }
.toast.error { background: var(--danger-soft); color: var(--danger); }
.toast.ok { background: var(--ok-soft); color: var(--ok); }
.toast span { flex: 1; }
.toast-close { background: none; border: none; color: inherit; font-size: 18px; cursor: pointer; padding: 0 4px; }
.banner { display: flex; gap: 12px; align-items: center; padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px; }
.banner.warn { background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.banner svg { width: 22px; height: 22px; }

/* ---- Tables ----------------------------------------------------------------- */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--fg-muted); padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg-sunken); }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 40%, transparent); }
.table.compact td, .table.compact th { padding: 8px 12px; font-size: 13px; }
.table .details { max-width: 360px; display: inline-block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; }
.row-app { display: inline-flex; align-items: center; gap: 12px; }
.row-app.big { gap: 16px; }
.ua { display: inline-block; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; }

/* ---- Tiles (dashboard) ----------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.tile {
  display: flex; align-items: center; gap: 16px; padding: 18px; color: var(--fg);
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform .12s, box-shadow .15s, border-color .15s;
}
.tile:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.tile:hover .tile-arrow { color: var(--accent); transform: translateX(2px); }
.tile-icon {
  --hue: 220; width: 52px; height: 52px; border-radius: 14px; flex: none; display: grid; place-items: center;
  font-size: 24px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, hsl(var(--hue) 70% 55%), hsl(calc(var(--hue) + 40) 70% 45%));
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.12);
}
.tile-icon.sm { width: 36px; height: 36px; border-radius: 10px; font-size: 16px; }
.tile-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.tile-name { font-weight: 650; font-size: 16px; }
.tile-desc { color: var(--fg-muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile-meta { color: var(--fg-faint); font-size: 12px; margin-top: 2px; }
.tile-meta code { font-size: 11px; }
.tile-arrow { color: var(--fg-faint); transition: transform .12s, color .15s; }
.empty { text-align: center; padding: 64px 24px; color: var(--fg-muted); }
.empty svg { width: 44px; height: 44px; color: var(--fg-faint); margin-bottom: 12px; }
.empty h2 { justify-content: center; color: var(--fg); }
.empty.small-empty { padding: 32px; margin-bottom: 20px; }

/* ---- Security page ----------------------------------------------------------- */
.qr-row { display: flex; gap: 20px; align-items: center; margin: 12px 0 16px; flex-wrap: wrap; }
.qr { border-radius: 10px; background: #fff; padding: 6px; border: 1px solid var(--border); }
.secret { display: block; font-family: var(--mono); font-size: 14px; letter-spacing: .06em; word-break: break-all; margin: 6px 0 10px; padding: 8px 10px; }
.codes { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin: 12px 0 16px; }
.codes code { font-size: 15px; padding: 8px 12px; text-align: center; background: var(--bg-elev); border: 1px dashed var(--border-strong); }

/* ---- Auth (login) ------------------------------------------------------------- */
body.auth { background: var(--bg); }
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-brand {
  color: #fff; padding: 48px; display: flex; align-items: center;
  background: radial-gradient(1200px 600px at 20% 10%, rgba(255,255,255,.18), transparent 60%),
              linear-gradient(160deg, #1f3fa6 0%, #2f6fed 45%, #6d4de6 100%);
}
.auth-brand-inner { max-width: 440px; margin: 0 auto; }
.auth-brand .brand { color: #fff; }
.auth-brand .brand-mark { background: rgba(255,255,255,.18); box-shadow: none; }
.auth-brand h2 { font-size: 30px; line-height: 1.2; margin: 36px 0 24px; font-weight: 700; letter-spacing: -.02em; display: block; }
.feature-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; font-size: 15px; opacity: .95; }
.feature-list li { display: flex; align-items: center; gap: 12px; }
.feature-list svg { width: 20px; height: 20px; opacity: .9; }
.auth-panel { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { width: 100%; max-width: 400px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 16px; padding: 32px; box-shadow: var(--shadow-lg); }
.auth-head { margin-bottom: 22px; }
.auth-head h1 { font-size: 24px; }
.auth-head p { margin: 0; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--fg-faint); font-size: 12px; margin: 20px 0; text-transform: uppercase; letter-spacing: .08em; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---- Responsive ----------------------------------------------------------------- */
@media (max-width: 900px) {
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .admin { grid-template-columns: 1fr; }
  .sidenav { position: static; flex-direction: row; overflow-x: auto; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .mainnav span { display: none; }
  .usermenu-name { display: none; }
  .topbar-inner { padding: 0 16px; gap: 12px; }
  .page { padding: 20px 16px 40px; }
  .card { padding: 18px 16px; }
  .table .details { max-width: 160px; }
}