:root {
  --bg: #0c1118;
  --panel: #16202e;
  --panel-2: #1e2b3d;
  --text: #eef4fb;
  --muted: #8fa3bf;
  --accent: #3d9cf0;
  --accent-2: #5eb0f7;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --err: #f07178;
  --border: #2a3a51;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --tap: 44px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1100px 520px at 8% -12%, #1a3b5c 0%, transparent 55%),
    radial-gradient(800px 420px at 100% 0%, #143028 0%, transparent 48%),
    var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

body.nav-open { overflow: hidden; }

#app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100dvh;
}
.shell { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: calc(0.7rem + var(--safe-top)) 1rem 0.7rem;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 17, 24, 0.88);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}
.menu-btn {
  width: var(--tap);
  height: var(--tap);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-backdrop {
  display: none;
}

.sidebar {
  background: rgba(18, 26, 38, 0.96);
  border-right: 1px solid var(--border);
  padding: 1.15rem 0.9rem calc(1rem + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 100dvh;
  position: sticky;
  top: 0;
}
.brand {
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  padding: 0.55rem 0.8rem 0.2rem;
}
.brand-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.15rem;
}
nav { display: flex; flex-direction: column; gap: 0.2rem; flex: 1; overflow: auto; }
.nav, .logout {
  background: transparent;
  border: 0;
  color: var(--muted);
  text-align: left;
  min-height: var(--tap);
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
}
.nav:hover, .nav.active { background: var(--panel-2); color: var(--text); }
.nav.active { box-shadow: inset 3px 0 0 var(--accent); }
.logout { color: var(--err); margin-top: auto; }

main { padding: 1.35rem 1.6rem calc(1.5rem + var(--safe-bottom)); }
.page-head { display: none; }
header h1 { margin: 0 0 1.15rem; font-size: 1.55rem; font-weight: 650; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.35rem;
}
.card {
  background: rgba(22, 32, 46, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow);
}
.card .label { color: var(--muted); font-size: 0.82rem; }
.card .value { font-size: 1.5rem; font-weight: 750; margin-top: 0.3rem; }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(22, 32, 46, 0.72);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
th, td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.92rem;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; background: rgba(0,0,0,0.18); }
tr:last-child td { border-bottom: 0; }
td[data-label=""] { }

.badge {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--panel-2);
}
.badge.on { color: var(--ok); }
.badge.off { color: var(--warn); }
.badge.err { color: var(--err); }

.toolbar { display: flex; gap: 0.65rem; margin-bottom: 1rem; flex-wrap: wrap; }
input:not([type="checkbox"]):not([type="radio"]), textarea, select, button.btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-size: 16px;
  width: 100%;
}
select { min-height: var(--tap); }
button.btn {
  width: auto;
  min-height: var(--tap);
  background: var(--accent);
  border-color: transparent;
  cursor: pointer;
  color: #061018;
  font-weight: 700;
  padding: 0.7rem 1rem;
}
button.btn:disabled { opacity: 0.55; }
button.btn.secondary { background: var(--panel-2); color: var(--text); }
button.btn.danger { background: #8b2e36; color: #fff; }

.overlay {
  position: fixed; inset: 0;
  background: rgba(6, 10, 16, 0.78);
  display: grid; place-items: center;
  z-index: 50;
  padding: 0.75rem;
  padding-bottom: calc(0.75rem + var(--safe-bottom));
}
.overlay.hidden { display: none; }
.login-card {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow);
}
.login-card h2 { margin: 0 0 0.2rem; }
.login-card button[type="submit"] {
  min-height: var(--tap);
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #061018;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.error { color: var(--err); min-height: 1.2em; margin: 0; }
.muted { color: var(--muted); }
.form-grid { display: grid; gap: 0.85rem; max-width: 760px; }
.form-grid.two { grid-template-columns: 1fr 1fr; max-width: 960px; }
.form-grid label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.9rem; color: var(--muted); }
.form-grid .check {
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  min-height: var(--tap);
}
.form-grid .check input { width: 1.15rem; height: 1.15rem; }
.form-actions { display: flex; gap: 0.65rem; flex-wrap: wrap; margin-top: 0.5rem; }
.form-actions .btn { flex: 1 1 140px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; word-break: break-all; }
.modal-card {
  width: min(760px, 100%);
  max-height: min(90dvh, 920px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.15rem 1.2rem calc(1.15rem + var(--safe-bottom));
  box-shadow: var(--shadow);
}
.modal-card h2 { margin: 0 0 1rem; font-size: 1.15rem; }
.preview-box {
  background: rgba(0,0,0,0.28);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  white-space: pre-wrap;
  margin: 0.5rem 0 1rem;
  overflow-wrap: anywhere;
}
.targets-list { display: grid; gap: 0.35rem; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.row-actions .btn { padding: 0.55rem 0.7rem; font-size: 0.82rem; min-height: 40px; width: auto; }

.fmt-field { gap: 0.4rem; }
.fmt-bar { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.fmt-btn {
  min-width: var(--tap);
  min-height: 40px;
  padding: 0.4rem 0.55rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  line-height: 1;
}
.fmt-btn:hover { border-color: var(--accent); color: #fff; }
.fmt-btn b { font-weight: 700; }
.fmt-btn i { font-style: italic; }
.fmt-btn u { text-decoration: underline; }
.fmt-btn s { text-decoration: line-through; }
.fmt-hint { font-size: 0.75rem; color: var(--muted); }
.ok-msg { color: var(--ok); margin: 0.35rem 0 0.75rem; }
.warn-msg { color: var(--warn); margin: 0.35rem 0 0.75rem; }

@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; }
  .page-head { display: none; }
  header.desktop-only { display: none; }
  .topbar { display: flex; }
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(4, 8, 14, 0.55);
    z-index: 80;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(300px, 86vw);
    z-index: 90;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    padding-top: calc(1rem + var(--safe-top));
    padding-left: calc(0.9rem + var(--safe-left));
    box-shadow: var(--shadow);
    min-height: 100dvh;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  main { padding: 1rem 0.9rem calc(1.25rem + var(--safe-bottom)); }
  .form-grid.two { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overlay {
    place-items: end center;
    padding: 0;
  }
  .modal-card, .login-card {
    width: 100%;
    max-height: 94dvh;
    border-radius: 18px 18px 0 0;
    padding-bottom: calc(1.2rem + var(--safe-bottom));
  }
  .login-card { margin-top: auto; }
  table { min-width: 0; }
  .table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }
  table, thead, tbody { display: block; width: 100%; }
  thead { display: none; }
  tbody tr {
    display: block;
    background: rgba(22, 32, 46, 0.92);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.7rem 0.85rem 0.85rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow);
  }
  tbody td {
    display: grid;
    grid-template-columns: 34% 1fr;
    gap: 0.45rem;
    padding: 0.42rem 0;
    border-bottom: 1px solid rgba(45, 58, 79, 0.55);
    font-size: 0.92rem;
  }
  tbody td:last-child { border-bottom: 0; }
  tbody td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding-top: 0.15rem;
  }
  tbody td.row-actions {
    display: flex;
    grid-template-columns: none;
  }
  tbody td.row-actions::before {
    content: attr(data-label);
    width: 100%;
    margin-bottom: 0.25rem;
  }
  .row-actions .btn { flex: 1 1 calc(50% - 0.4rem); }
}

@media (max-width: 420px) {
  .cards { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .card .value { font-size: 1.28rem; }
}