:root {
  --bg-0: #1c1c1f;
  --bg-1: #232326;
  --bg-2: #2a2a2d;
  --bg-3: #313135;
  --line: rgba(255,255,255,0.09);
  --txt-1: #eaeaec;
  --txt-2: #9d9da6;
  --txt-3: #68686f;
  --gold: #f97316;
  --green: #4ade80;
  --red: #f87171;
  --r1: 5px; --r2: 9px; --r3: 13px; --r4: 17px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--txt-1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--gold); text-decoration: none; }

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

.sidebar {
  width: 220px;
  background: var(--bg-1);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar .brand {
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 24px;
  color: var(--txt-1);
}
.sidebar .brand span { color: var(--gold); }

.sidebar a.nav-link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--r2);
  color: var(--txt-2);
  font-weight: 600;
  font-size: 14px;
}
.sidebar a.nav-link:hover { background: var(--bg-2); color: var(--txt-1); }
.sidebar a.nav-link.active { background: var(--bg-3); color: var(--gold); }

.sidebar .logout {
  margin-top: auto;
  color: var(--txt-3);
  font-size: 13px;
}

.main { flex: 1; padding: 32px 40px; max-width: 1100px; }

h1 { font-size: 24px; font-weight: 800; margin: 0 0 4px; }
.subtitle { color: var(--txt-3); font-size: 14px; margin: 0 0 28px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r3);
  padding: 18px 20px;
}
.card .value { font-size: 28px; font-weight: 800; color: var(--gold); }
.card .label { font-size: 13px; color: var(--txt-3); margin-top: 4px; }

.panel {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r3);
  padding: 24px;
  margin-bottom: 24px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--txt-3); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td { padding: 10px; border-bottom: 1px solid var(--line); color: var(--txt-2); }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge.on { background: rgba(74,222,128,0.12); color: var(--green); }
.badge.off { background: rgba(248,113,113,0.12); color: var(--red); }

.btn {
  display: inline-block;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--r2);
  padding: 10px 16px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.btn.secondary { background: var(--bg-3); color: var(--txt-1); }
.btn.danger { background: rgba(248,113,113,0.15); color: var(--red); }

input, select, textarea {
  width: 100%;
  background: var(--bg-3);
  border: 1.5px solid var(--line);
  border-radius: var(--r2);
  padding: 10px 12px;
  color: var(--txt-1);
  font-size: 14px;
  outline: none;
  font-family: inherit;
}
label { font-size: 12px; font-weight: 700; color: var(--txt-3); text-transform: uppercase; letter-spacing: .04em; display: block; margin-bottom: 6px; }
.field { margin-bottom: 16px; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { width: 100%; max-width: 380px; background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r4); padding: 36px; }
.login-box h1 { text-align: center; font-size: 20px; margin-bottom: 20px; }
.error-box { background: rgba(248,113,113,0.09); border: 1px solid rgba(248,113,113,0.25); border-radius: var(--r2); padding: 10px 14px; color: var(--red); font-size: 13px; margin-bottom: 16px; }
.success-box { background: rgba(74,222,128,0.09); border: 1px solid rgba(74,222,128,0.25); border-radius: var(--r2); padding: 10px 14px; color: var(--green); font-size: 13px; margin-bottom: 16px; }

.flex-between { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: none; align-items: center; justify-content: center; z-index: 50;
}
.modal-overlay.open { display: flex; }
.modal { width: 100%; max-width: 480px; background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r4); padding: 28px; }
.modal h2 { margin-top: 0; font-size: 18px; }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }