:root {
  --bg: #0b1220;
  --bg-soft: #0f172a;
  --panel: #111a2e;
  --panel-2: #16203a;
  --border: rgba(148, 163, 184, .14);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #22c55e;
  --accent-2: #4ade80;
  --danger: #ef4444;
  --warn: #f59e0b;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { color-scheme: dark; }
body { font-family: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 14.5px; line-height: 1.5; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: rgba(148, 163, 184, .12); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
.mono { font-family: Consolas, 'Courier New', monospace; }
.muted { color: var(--muted); }
.sm-text { font-size: 12.5px; }
.ta-r { text-align: right; }
.inline { display: inline; }

/* ---- layout ---- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--bg-soft); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 18px 16px 14px; border-bottom: 1px solid var(--border); }
.brand-logo { width: 36px; height: 36px; }
.brand-name { font-weight: 800; letter-spacing: .01em; }
.brand-sub { font-size: 11.5px; color: var(--muted); }
.sidebar nav { padding: 10px 8px; display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px;
  color: var(--muted); font-weight: 500;
}
.sidebar nav a:hover { background: rgba(148, 163, 184, .08); color: var(--text); text-decoration: none; }
.sidebar nav a.active { background: rgba(34, 197, 94, .12); color: var(--accent-2); }
.sidebar nav .ico { width: 18px; text-align: center; opacity: .9; }
.sidebar-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.admin-email { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.main { flex: 1; padding: 26px 30px 60px; max-width: 1280px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { font-size: 22px; font-weight: 750; }
.page-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---- cards & stats ---- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card-narrow { max-width: 640px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { font-size: 15.5px; font-weight: 700; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 1000px) { .two-col { grid-template-columns: 1fr; } }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 26px; font-weight: 800; margin-top: 2px; }
.stat-value.sm { font-size: 18px; }
.stat-value.ok { color: var(--accent-2); }
.stat-value.accent { color: #60a5fa; }

/* ---- router cards ---- */
.router-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.router-card { display: block; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; color: var(--text); }
.router-card:hover { text-decoration: none; border-color: rgba(34, 197, 94, .4); }
.router-card.offline:hover { border-color: rgba(239, 68, 68, .4); }
.router-card-top { display: flex; align-items: center; gap: 8px; }
.router-card-top .muted { margin-left: auto; font-size: 12px; }
.router-card-meta { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--muted); }
.err-text { color: #fca5a5; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot-ok { background: var(--accent); box-shadow: 0 0 8px rgba(34, 197, 94, .8); }
.dot-bad { background: var(--danger); }

/* ---- tables ---- */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--border); }
.table td { padding: 10px; border-bottom: 1px solid rgba(148, 163, 184, .08); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: rgba(148, 163, 184, .04); }
.row-muted td { opacity: .55; }
.actions { white-space: nowrap; }
.actions form { margin-left: 4px; }
.voucher-code { font-size: 15px; font-weight: 700; letter-spacing: .06em; color: var(--accent-2); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: rgba(148, 163, 184, .15); color: var(--muted); }
.badge-ok { background: rgba(34, 197, 94, .15); color: var(--accent-2); }
.badge-bad { background: rgba(239, 68, 68, .15); color: #fca5a5; }
.badge-accent { background: rgba(96, 165, 250, .15); color: #93c5fd; }

/* ---- forms ---- */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=color], select, textarea {
  width: 100%; padding: 10px 12px; background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; font-family: inherit;
}
input:focus, select:focus, textarea:focus { border-color: rgba(34, 197, 94, .55); }
select { cursor: pointer; }
.page-actions select { width: auto; padding: 8px 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { margin-bottom: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); margin-bottom: 12px; cursor: pointer; }
.check input { width: auto; }
.hint { margin-top: 16px; padding: 12px 14px; border-radius: 8px; background: rgba(96, 165, 250, .08); border: 1px solid rgba(96, 165, 250, .2); color: var(--muted); font-size: 13px; }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px; border: 1px solid transparent; font-size: 13.5px; font-weight: 600; cursor: pointer; background: transparent; color: var(--text); font-family: inherit; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #06210f; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { border-color: var(--border); color: var(--text); background: rgba(148, 163, 184, .06); }
.btn-ghost:hover { background: rgba(148, 163, 184, .12); }
.btn-danger { background: rgba(239, 68, 68, .12); color: #fca5a5; border-color: rgba(239, 68, 68, .3); }
.btn-danger:hover { background: rgba(239, 68, 68, .22); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .55; cursor: wait; }

/* ---- flash & misc ---- */
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 500; }
.flash-success { background: rgba(34, 197, 94, .12); border: 1px solid rgba(34, 197, 94, .35); color: var(--accent-2); }
.flash-error { background: rgba(239, 68, 68, .12); border: 1px solid rgba(239, 68, 68, .35); color: #fca5a5; }
.empty { color: var(--muted); padding: 14px 4px; }
.danger-zone { border-color: rgba(239, 68, 68, .3); }
.portal-preview { width: 100%; height: 560px; border: 1px solid var(--border); border-radius: 10px; background: #0b1220; }

/* ---- auth ---- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px;
  background: radial-gradient(900px 500px at 15% -10%, rgba(34, 197, 94, .16), var(--bg)); }
.auth-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 34px 30px; }
.auth-brand { text-align: center; margin-bottom: 22px; }
.auth-brand h1 { font-size: 21px; margin-top: 10px; }
.auth-brand p { color: var(--muted); font-size: 13px; }
.auth-card label { margin-top: 14px; }
.auth-card .btn { margin-top: 22px; }
.auth-foot { text-align: center; color: var(--muted); font-size: 12px; margin-top: 20px; }

@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .main { padding: 18px 14px 40px; }
}