:root {
  --bg: #0d1117;
  --bg-panel: #151b23;
  --bg-panel-2: #1c232c;
  --border: #2a3340;
  --text: #e6edf3;
  --text-dim: #8b98a5;
  --accent: #2fb774;
  --accent-2: #3fb950;
  --danger: #f85149;
  --warn: #d29922;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.rt-shell { display: flex; min-height: 100vh; }

.rt-sidebar {
  width: 230px; flex-shrink: 0; background: var(--bg-panel);
  border-right: 1px solid var(--border); padding: 16px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.rt-brand { padding: 0 18px 16px; font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.rt-brand-logo { width: 26px; height: 26px; border-radius: 7px; object-fit: cover; }
.rt-nav { display: flex; flex-direction: column; padding: 8px; gap: 2px; }
.rt-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
  color: var(--text-dim); font-weight: 500;
}
.rt-nav a:hover { background: var(--bg-panel-2); text-decoration: none; color: var(--text); }
.rt-nav a.active { background: rgba(47,183,116,.15); color: var(--accent); }
.rt-sidebar .sep { margin: 10px 12px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #5b6672; }

.rt-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--bg-panel);
  position: sticky; top: 0; z-index: 20;
}
.rt-topbar .acc-switch { flex: 1; min-width: 0; }
.rt-topbar .acc-switch select { background: var(--bg-panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; max-width: 100%; }
.rt-user { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.rt-badge { padding: 2px 8px; border-radius: 20px; font-size: 11px; background: var(--bg-panel-2); border: 1px solid var(--border); color: var(--text-dim); }

.rt-hamburger {
  display: none; background: var(--bg-panel-2); border: 1px solid var(--border); color: var(--text);
  width: 36px; height: 36px; border-radius: 8px; font-size: 16px; cursor: pointer; flex-shrink: 0;
}
.rt-sidebar-backdrop { display: none; }

.rt-main { flex: 1; min-width: 0; }
.rt-content { padding: 20px 20px 40px; max-width: 1200px; }

.card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.card + .card { margin-top: 14px; }
h1, h2, h3 { margin-top: 0; }
h1 { font-size: 20px; } h2 { font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; border: none;
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13px;
}
.btn:hover { filter: brightness(1.1); }
.btn.secondary { background: var(--bg-panel-2); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.warn { background: var(--warn); color: #1a1300; }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

input, select, textarea {
  background: var(--bg-panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 10px; border-radius: 8px; font-size: 13px; width: 100%; font-family: inherit;
}
label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; margin-top: 12px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 160px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; }
.table-wrap { overflow-x: auto; }

.pill { padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; display: inline-block; }
.pill.ok { background: rgba(63,185,80,.15); color: var(--accent-2); }
.pill.warn { background: rgba(210,153,34,.15); color: var(--warn); }
.pill.off { background: rgba(139,148,165,.15); color: var(--text-dim); }
.pill.danger { background: rgba(248,81,73,.15); color: var(--danger); }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 13px; }
.flash.error { background: rgba(248,81,73,.12); border: 1px solid rgba(248,81,73,.4); color: #ffb4ae; }
.flash.success { background: rgba(63,185,80,.12); border: 1px solid rgba(63,185,80,.4); color: #9be8a5; }
.flash.info { background: rgba(47,129,247,.12); border: 1px solid rgba(47,129,247,.4); color: #a9cdfd; }

.rt-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.rt-stat-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.rt-stat-card .num { font-size: 24px; font-weight: 700; margin: 4px 0; }
.rt-stat-card .label { font-size: 12px; color: var(--text-dim); }

.rt-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.rt-tabs a { padding: 7px 14px; border-radius: 8px; background: var(--bg-panel-2); border: 1px solid var(--border); color: var(--text-dim); font-size: 12px; font-weight: 600; }
.rt-tabs a.active { background: rgba(47,183,116,.15); color: var(--accent); border-color: var(--accent); }
.rt-tabs a:hover { text-decoration: none; color: var(--text); }

.print-only { display: none; }
@media print {
  .rt-sidebar, .rt-topbar, .no-print { display: none !important; }
  .rt-content { padding: 0; max-width: 100%; }
  body { background: #fff; color: #000; }
  .print-only { display: block; }
}

@media (max-width: 860px) {
  .rt-shell { display: block; }
  .rt-sidebar {
    position: fixed; top: 0; left: -260px; width: 260px; height: 100vh;
    transition: left .2s; z-index: 70; box-shadow: 4px 0 16px rgba(0,0,0,.5);
  }
  .rt-sidebar.open { left: 0; }
  .rt-sidebar-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,0);
    z-index: 60; pointer-events: none; transition: background .2s;
  }
  .rt-sidebar-backdrop.open { background: rgba(0,0,0,.55); pointer-events: auto; }
  .rt-hamburger { display: block; }
  .rt-topbar { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .rt-user span:not(.rt-badge) { display: none; }
  .rt-topbar .btn.small { padding: 6px 8px; font-size: 11px; }
}