/* app.css — dark, responsive base */

:root{
  --bg:#0f1115;
  --panel:#161a22;
  --muted:#8b98a5;
  --text:#e6eef8;
  --accent:#6aa7ff;
  --danger:#ff6a6a;
  --ok:#5bd69f;
  --warn:#e2b86b;
  --border:#232a36;
  --focus:#2a3650;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5rem 0}

/* ---------------- Login (auth) ---------------- */
.auth{
  min-height:100%;
  display:grid;
  place-items:center;
  padding:24px;
}
.auth-card{
  width:min(420px,100%);
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;
  padding:22px;
  box-shadow:0 6px 30px rgba(0,0,0,.35);
}
.auth .brand{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
  color:var(--accent);font-weight:700;font-size:18px;
}
.auth h1{font-size:18px;margin-bottom:14px;color:var(--text)}
.auth .muted{color:var(--muted);font-size:12px;margin-top:8px}

.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
label{font-size:12px;color:var(--muted)}
.input, input[type="email"], input[type="password"], input[type="text"]{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:#121621;color:var(--text);outline:none;
}
.input:focus, input:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(106,167,255,.15)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:10px;border:1px solid var(--border);
  background:#1c2330;color:var(--text);cursor:pointer;font-weight:600;
}
.btn:hover{background:#20293a}
.btn.primary{background:linear-gradient(180deg,#29406b,#1f2d4a);border-color:#2a3a57}
.btn.primary:hover{filter:brightness(1.05)}
.btn.danger{background:#2a1414;color:#ffd7d7;border-color:#3b1a1a}
.help, .error{margin-top:8px;font-size:12px}
.error{color:var(--danger)}
.flash{background:#17202b;border:1px solid var(--border);padding:10px 12px;border-radius:8px;margin-bottom:12px}

/* ---------------- Sidebar ---------------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:240px;background:var(--panel);border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:16px;gap:16px;z-index:10;
}
.brand{font-weight:700;color:var(--accent)}
.sidebar nav{display:flex;flex-direction:column;gap:8px}
.sidebar nav a{color:var(--text);text-decoration:none;padding:10px 12px;border-radius:8px;display:block}
.sidebar nav a:hover{background:#1f2531}
.sidebar nav a.active{background:#20293a;border:1px solid var(--border)}
.sidebar nav a.danger{color:var(--danger)}
.userbox{margin-top:auto;padding:12px;background:#141923;border:1px solid var(--border);border-radius:8px}
.userbox .name{font-weight:600}
.userbox .role{color:var(--muted);font-size:12px}

/* ---------------- Header + Main ---------------- */
.content{margin-left:240px;min-height:100%;display:flex;flex-direction:column}
.topbar{
  position:sticky;
  top:0;
  background:linear-gradient(#0f1115,#0f1115cc);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  padding:16px 20px;
  z-index:5;
  margin-left:240px; /* <-- keep header clear of the sidebar */
}
.container{padding:20px}
.footer{margin-top:auto;padding:12px 20px;border-top:1px solid var(--border);color:var(--muted);font-size:12px}

/* ---------------- Cards / Tables / Badges ---------------- */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.card h3{margin:0 0 6px 0;font-size:13px;color:var(--muted);font-weight:500}
.metric{font-size:24px;font-weight:700}

.table{width:100%;border-collapse:collapse;margin-top:12px}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left}
.table th{color:var(--muted);font-weight:600}

.badge{padding:2px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;display:inline-block}
.badge.ok{background:#0f1a16;color:var(--ok)}
.badge.warn{background:#1a140f;color:var(--warn)}
.badge.off{background:#1a1010;color:var(--danger)}

/* ---------------- Responsive tweaks ---------------- */
@media (max-width:900px){
  .sidebar{width:72px;padding:12px}
  .sidebar .brand,.sidebar .userbox{display:none}
  .content{margin-left:72px}
  .topbar{margin-left:72px} /* keep header aligned with compact sidebar */
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
  .cards{grid-template-columns:1fr}
  .auth-card{padding:18px;border-radius:12px}
}