:root,
html[data-theme="dark"] {
  --bg: #0e1419;
  --bg-elev: #151c24;
  --bg-soft: #1a2330;
  --line: #2a3544;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #2dd4a8;
  --accent-dim: #1a9e7a;
  --danger: #f07178;
  --warn: #e6b450;
  --ok: #7fd962;
  --info: #59c2ff;
  --sidebar-bg: rgba(14, 20, 25, 0.92);
  --card-bg: rgba(21, 28, 36, 0.85);
  --login-bg: rgba(21, 28, 36, 0.95);
  --login-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --row-hover: rgba(255, 255, 255, 0.02);
  --btn-primary-fg: #04140f;
  --glow-a: #1a3a3a;
  --glow-b: #1a2840;
  --focus-ring: rgba(45, 212, 168, 0.15);
  --radius: 10px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

html[data-theme="light"] {
  --bg: #f4f7f5;
  --bg-elev: #ffffff;
  --bg-soft: #e8efeb;
  --line: #d0dbd5;
  --text: #14201c;
  --muted: #5a6b63;
  --accent: #0d9f78;
  --accent-dim: #0b7d5e;
  --danger: #c43c46;
  --warn: #b8860b;
  --ok: #2f8f3a;
  --info: #1a7aad;
  --sidebar-bg: rgba(255, 255, 255, 0.92);
  --card-bg: rgba(255, 255, 255, 0.92);
  --login-bg: rgba(255, 255, 255, 0.96);
  --login-shadow: 0 20px 50px rgba(20, 40, 32, 0.12);
  --row-hover: rgba(13, 159, 120, 0.04);
  --btn-primary-fg: #ffffff;
  --glow-a: #c8ebe0;
  --glow-b: #d6e4f0;
  --focus-ring: rgba(13, 159, 120, 0.2);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--glow-a) 0%, transparent 50%),
    radial-gradient(900px 500px at 100% 0%, var(--glow-b) 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
  transition: background 0.2s ease, color 0.2s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

.mobile-bar { display: none; }
.sidebar-backdrop { display: none; }

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--line);
  padding: 1.25rem 1rem;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
}
.mobile-theme { display: none; }
.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.brand span { color: var(--accent); }
.brand-sub { color: var(--muted); font-size: 0.78rem; margin-bottom: 1.5rem; }

.nav { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.nav a {
  color: var(--muted);
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.92rem;
}
.nav a:hover, .nav a.active {
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
}
.nav a.active { border-left: 3px solid var(--accent); padding-left: calc(0.75rem - 3px); }

.theme-toggle {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}
.theme-toggle .label-dark { display: none; }
.theme-toggle .label-light { display: inline; }
html[data-theme="light"] .theme-toggle .label-dark { display: inline; }
html[data-theme="light"] .theme-toggle .label-light { display: none; }

.main { padding: 1.5rem 1.75rem 3rem; }
.page-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem; margin-bottom: 1.25rem;
}
.page-head h1 { margin: 0; font-size: 1.45rem; font-weight: 650; letter-spacing: -0.02em; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent-dim); text-decoration: none; color: var(--text); }
.btn-primary { background: var(--accent-dim); border-color: var(--accent); color: var(--btn-primary-fg); font-weight: 600; }
.btn-primary:hover { background: var(--accent); color: var(--btn-primary-fg); }
.btn-danger { border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); color: var(--danger); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
}
.card h2, .card h3 { margin: 0 0 0.75rem; font-size: 1.05rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -0.15rem;
  padding: 0 0.15rem;
}

.stat {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.stat .n { font-size: 1.75rem; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.stat .l { color: var(--muted); font-size: 0.85rem; margin-top: 0.2rem; }

table.data {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
}
table.data th, table.data td {
  text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th { color: var(--muted); font-weight: 560; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
table.data tr:hover td { background: var(--row-hover); }

label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.3rem; }
.form-row { margin-bottom: 0.9rem; }
.form-row.inline { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 600px) { .form-row.inline { grid-template-columns: 1fr; } }

input[type=text], input[type=password], input[type=url], input[type=number], input[type=time],
input[type=email], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-size: 0.92rem;
}
textarea { min-height: 120px; font-family: var(--mono); font-size: 0.85rem; line-height: 1.4; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 2px var(--focus-ring);
}
.hint { color: var(--muted); font-size: 0.78rem; margin-top: 0.3rem; }

.badge {
  display: inline-block; padding: 0.15rem 0.45rem; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; border: 1px solid var(--line);
  background: var(--bg);
}
.badge-ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); }
.badge-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }
.badge-err { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); }
.badge-info { color: var(--info); border-color: color-mix(in srgb, var(--info) 45%, var(--line)); }
.badge-muted { color: var(--muted); }

.flash { padding: 0.7rem 0.9rem; border-radius: 8px; margin-bottom: 0.85rem; font-size: 0.9rem; }
.flash-ok { background: color-mix(in srgb, var(--ok) 12%, transparent); border: 1px solid color-mix(in srgb, var(--ok) 40%, var(--line)); }
.flash-err { background: color-mix(in srgb, var(--danger) 12%, transparent); border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--line)); }
.flash-info { background: color-mix(in srgb, var(--info) 10%, transparent); border: 1px solid color-mix(in srgb, var(--info) 40%, var(--line)); }

.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 1rem;
  position: relative;
}
.login-theme {
  position: absolute;
  top: 1rem;
  right: 1rem;
}
.login-box {
  width: min(400px, 100%);
  background: var(--login-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--login-shadow);
}
.login-box h1 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.login-box .sub { color: var(--muted); margin-bottom: 1.25rem; font-size: 0.9rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
/* flex на <td> ломает таблицу — оставляем table-cell */
td.actions {
  display: table-cell;
  white-space: nowrap;
}
td.actions .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}
td.actions form {
  display: inline;
  margin: 0;
}
.mono { font-family: var(--mono); font-size: 0.85rem; }
.empty { color: var(--muted); padding: 1.5rem; text-align: center; }
.tabs { display: flex; gap: 0.35rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tabs a {
  padding: 0.4rem 0.75rem; border-radius: 8px; border: 1px solid var(--line);
  color: var(--muted); text-decoration: none; font-size: 0.85rem;
}
.tabs a.active { color: var(--text); border-color: var(--accent); background: var(--bg-soft); }
.check { display: flex; align-items: center; gap: 0.45rem; color: var(--text); font-size: 0.9rem; }
.check input { width: auto; }

pre.mono, code {
  background: var(--bg);
}

pre.mono {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

/* —— Mobile —— */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    padding-top: 3.25rem;
  }

  .mobile-bar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    height: 3.25rem;
    padding: 0 0.75rem;
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
  }

  .mobile-brand {
    flex: 1;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .mobile-brand span { color: var(--accent); }

  .mobile-theme {
    display: inline-flex;
    flex-shrink: 0;
    width: auto;
    min-width: 2.5rem;
    margin-top: 0;
    justify-content: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .sidebar-theme { display: none; }

  .nav-toggle {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-elev);
    color: var(--text);
    cursor: pointer;
    padding: 0;
  }
  .nav-toggle:hover { border-color: var(--accent-dim); }
  .nav-toggle-bars,
  .nav-toggle-bars::before,
  .nav-toggle-bars::after {
    display: block;
    width: 1.1rem;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    position: relative;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav-toggle-bars::before,
  .nav-toggle-bars::after {
    content: "";
    position: absolute;
    left: 0;
  }
  .nav-toggle-bars::before { top: -5px; }
  .nav-toggle-bars::after { top: 5px; }

  body.nav-open .nav-toggle-bars { background: transparent; }
  body.nav-open .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
  body.nav-open .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 45;
    background: rgba(0, 0, 0, 0.45);
    border: 0;
    padding: 0;
    cursor: pointer;
  }
  .sidebar-backdrop[hidden] { display: none !important; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(280px, 86vw);
    z-index: 50;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    border-right: 1px solid var(--line);
    box-shadow: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .sidebar {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.35);
  }
  body.nav-open {
    overflow: hidden;
  }

  .main {
    padding: 1rem 0.9rem 2.5rem;
    min-width: 0;
  }

  .page-head {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }
  .page-head h1 { font-size: 1.25rem; }
  .page-head .actions {
    width: 100%;
  }
  .page-head .actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    min-height: 2.5rem;
  }

  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }

  .stat { padding: 0.85rem; }
  .stat .n { font-size: 1.45rem; }

  .card { padding: 0.85rem 0.95rem; }

  table.data {
    font-size: 0.82rem;
    min-width: 520px;
  }
  table.data th, table.data td {
    padding: 0.55rem 0.4rem;
  }

  td.actions {
    white-space: normal;
  }
  td.actions .actions {
    flex-direction: column;
    align-items: stretch;
  }
  td.actions .btn {
    width: 100%;
    justify-content: center;
  }

  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
    margin-left: -0.15rem;
    margin-right: -0.15rem;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
  }
  .tabs a { flex-shrink: 0; }

  .btn { min-height: 2.4rem; }
  .btn-sm { min-height: 2rem; }

  input[type=text], input[type=password], input[type=url], input[type=number], input[type=time],
  input[type=email], select, textarea {
    font-size: 16px; /* без автозума iOS */
  }
}

@media (max-width: 520px) {
  .grid-3 { grid-template-columns: 1fr; }
  .login-box { padding: 1.25rem; }
  .login-theme { top: 0.65rem; right: 0.65rem; }
}