:root{
  --bg:#0f172a;
  --panel:#111827;
  --panel-2:#1f2937;
  --soft:#334155;
  --text:#f8fafc;
  --muted:#94a3b8;
  --accent:#22c55e;
  --accent-2:#16a34a;
  --danger:#ef4444;
  --white:#ffffff;
  --shadow:0 20px 50px rgba(0,0,0,.22);
  --radius:22px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#0b1220 0%, #111827 100%);
  color:var(--text);
  min-height:100vh;
}

a{color:#93c5fd;text-decoration:none}
a:hover{text-decoration:underline}

.app-shell{
  width:min(1200px,100%);
  margin:0 auto;
  padding:18px;
}

.topbar{
  background:rgba(17,24,39,.92);
  border:1px solid rgba(148,163,184,.15);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px 20px;
}

.brand{
  display:flex;
  gap:14px;
  align-items:center;
}

.brand h1{
  margin:0;
  font-size:1.5rem;
}

.brand p{
  margin:4px 0 0;
  color:var(--muted);
  font-size:.95rem;
}

.brand-badge{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-weight:700;
  background:linear-gradient(135deg,var(--accent),#14b8a6);
  color:#052e16;
}

.layout{
  display:grid;
  grid-template-columns:250px 1fr;
  gap:18px;
  margin-top:18px;
}

.sidebar{
  background:rgba(17,24,39,.92);
  border:1px solid rgba(148,163,184,.15);
  border-radius:var(--radius);
  padding:14px;
  height:fit-content;
  box-shadow:var(--shadow);
}

.nav-item{
  display:block;
  padding:14px 16px;
  border-radius:16px;
  color:var(--text);
  margin-bottom:8px;
  background:transparent;
  border:1px solid transparent;
}

.nav-item.active,
.nav-item:hover{
  text-decoration:none;
  background:rgba(34,197,94,.12);
  border-color:rgba(34,197,94,.35);
}

.mobile-nav{
  display:none;
  gap:10px;
  margin-top:16px;
}

.mobile-nav a{
  flex:1;
  text-align:center;
  padding:12px 10px;
  border-radius:14px;
  background:rgba(17,24,39,.92);
  border:1px solid rgba(148,163,184,.15);
  color:var(--text);
}

.mobile-nav a.active{
  background:rgba(34,197,94,.12);
  border-color:rgba(34,197,94,.35);
}

.content{min-width:0}

.page-card,
.form-card,
.mini-card,
.stat-card{
  background:rgba(17,24,39,.92);
  border:1px solid rgba(148,163,184,.15);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.page-card{padding:22px}
.form-card{padding:18px;margin:20px 0}
.mini-card,.stat-card{padding:18px}

.page-head{
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:flex-start;
  flex-wrap:wrap;
}

.page-head h2{
  margin:6px 0 6px;
  font-size:1.8rem;
}

.page-head p{
  margin:0;
  color:var(--muted);
  max-width:700px;
}

.eyebrow{
  display:inline-block;
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:#86efac;
}

.label{
  display:block;
  font-weight:700;
  margin-bottom:10px;
}

.input-row{
  display:flex;
  gap:12px;
}

.input-row input{
  flex:1;
  min-width:0;
  background:#0b1220;
  color:var(--text);
  border:1px solid rgba(148,163,184,.22);
  border-radius:16px;
  padding:14px 16px;
  font-size:1rem;
}

.input-row input:focus{
  outline:none;
  border-color:rgba(34,197,94,.7);
  box-shadow:0 0 0 3px rgba(34,197,94,.12);
}

.primary-btn{
  border:none;
  border-radius:16px;
  padding:14px 22px;
  font-weight:700;
  cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#052e16;
}

.primary-btn:disabled{
  opacity:.7;
  cursor:not-allowed;
}

.message{
  min-height:20px;
  margin:10px 2px 0;
  color:var(--muted);
}

.message.error{color:#fca5a5}
.message.success{color:#86efac}

.info-grid,
.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.mini-card h3,
.stat-card .stat-label{
  margin-top:0;
}

.stat-card strong{
  display:block;
  font-size:2rem;
  margin-top:10px;
}

.stat-label{
  color:var(--muted);
}

.pill{
  background:rgba(34,197,94,.12);
  border:1px solid rgba(34,197,94,.35);
  color:#bbf7d0;
  padding:10px 14px;
  border-radius:999px;
  font-weight:700;
}

.list-wrap{
  display:grid;
  gap:12px;
  margin-top:20px;
}

.link-card{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  background:rgba(31,41,55,.92);
  border:1px solid rgba(148,163,184,.15);
  border-radius:18px;
  padding:16px;
}

.link-content{
  min-width:0;
  display:grid;
  gap:8px;
}

.link-content a{
  overflow-wrap:anywhere;
  font-weight:700;
}

.meta-row{
  color:var(--muted);
  font-size:.92rem;
}

.meta-row span{color:var(--text)}

.delete-btn{
  width:40px;
  height:40px;
  min-width:40px;
  border:none;
  border-radius:12px;
  cursor:pointer;
  background:rgba(239,68,68,.14);
  color:#fecaca;
  font-size:1.4rem;
  line-height:1;
}

.delete-btn:hover{
  background:rgba(239,68,68,.22);
}

.empty-state{
  padding:28px 20px;
  text-align:center;
  color:var(--muted);
  border:1px dashed rgba(148,163,184,.24);
  border-radius:18px;
}

@media (max-width: 900px){
  .layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .mobile-nav{display:flex}
}

@media (max-width: 640px){
  .app-shell{padding:14px}
  .page-card{padding:18px}
  .input-row{flex-direction:column}
  .info-grid,
  .stats-grid{grid-template-columns:1fr}
  .page-head h2{font-size:1.45rem}
}