:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-2: #1d2740;
  --border: #2a3550;
  --text: #e7ecf7;
  --text-dim: #9aa7c2;
  --accent: #5b7cfa;
  --accent-2: #7c5cfa;
  --success: #34d399;
  --error: #f87171;
  --warn: #fbbf24;
  --radius: 10px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1a2340 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(22, 29, 46, 0.7);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.nav {
  display: flex;
  gap: 4px;
}
.nav a {
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}
.nav a.active, .nav a:hover {
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.narrow { max-width: 460px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 12px;
  flex-wrap: wrap;
}
.page-header h1 { margin: 0; font-size: 22px; }
.page-header p.sub { color: var(--text-dim); margin: 4px 0 0; font-size: 14px; }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel) 60%, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card + .card { margin-top: 16px; }

.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat .num { font-size: 28px; font-weight: 700; }
.stat .label { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.on { background: rgba(52,211,153,0.15); color: var(--success); }
.badge.off { background: rgba(248,113,113,0.15); color: var(--error); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-danger { background: rgba(248,113,113,0.12); border-color: rgba(248,113,113,0.4); color: var(--error); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

form.inline { display: inline; }

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
input[type=text], input[type=email], input[type=tel], input[type=url], input[type=password], select, textarea {
  width: 100%;
  background: #0d1322;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.checkbox-row input { width: auto; margin: 0; }
.checkbox-row label { margin: 0; }

.help { color: var(--text-dim); font-size: 12px; margin-top: -10px; margin-bottom: 16px; }

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid transparent;
}
.flash.success { background: rgba(52,211,153,0.1); color: var(--success); border-color: rgba(52,211,153,0.3); }
.flash.error { background: rgba(248,113,113,0.1); color: var(--error); border-color: rgba(248,113,113,0.3); }
.flash.info { background: rgba(91,124,250,0.1); color: var(--accent); border-color: rgba(91,124,250,0.3); }

.login-shell {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .dot { width: 14px; height: 14px; margin: 0 auto 10px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.login-brand h1 { font-size: 18px; margin: 0; }
.login-brand p { color: var(--text-dim); font-size: 13px; margin: 6px 0 0; }
.sp-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 20px; font-size: 13px;
}
.sp-chip .sp-icon { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }

.otp-input {
  letter-spacing: 8px;
  font-size: 22px;
  text-align: center;
  font-family: var(--mono);
}

pre.code-block {
  background: #0d1322;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: var(--mono);
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.kv { display: grid; grid-template-columns: 200px 1fr; gap: 8px 16px; font-size: 14px; margin-bottom: 4px; }
.kv .k { color: var(--text-dim); }
.kv .v { font-family: var(--mono); font-size: 13px; word-break: break-all; }

.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); margin: 26px 0 12px; font-weight: 700; }
.section-title:first-child { margin-top: 0; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-dim); }

.dev-banner {
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.35);
  color: var(--warn);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
  font-family: var(--mono);
}