:root{
  --bg:#0b1220;
  --card:#0f172a;
  --panel:#111c33;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --border:rgba(255,255,255,.10);
  --accent:#60a5fa;
  --accent2:#34d399;
  --danger:#fb7185;
  --shadow:0 12px 34px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:14px;
  --pad:16px;
  --pad2:22px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg, #060a14 0%, #0b1220 30%, #050a14 100%); color:var(--text); font-family:var(--font);}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.container{padding: 18px; }

header, nav{background:rgba(255,255,255,.04); border-bottom:1px solid var(--border); backdrop-filter: blur(8px);}
.navbar{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;gap:16px;}
.nav-left{display:flex;align-items:center;gap:14px;}
.nav-links{display:flex;gap:12px;flex-wrap:wrap;}
.nav-links a{padding:8px 10px;border-radius:12px;color:var(--text);opacity:.92}
.nav-links a.active, .nav-links a:hover{background:rgba(96,165,250,.12);}

.card{
  max-width: 1200px;
  margin: 18px auto;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-inner{padding: var(--pad2);}

h1{font-size: 28px; margin:0 0 6px;}
h2{font-size: 20px; margin:0 0 8px;}
h3{font-size: 16px; margin:0 0 8px; color: var(--text); opacity:.95}
p{color: var(--muted); line-height:1.45}

hr{border:none;border-top:1px solid var(--border); margin:16px 0}

label{display:block; font-weight:600; margin:0 0 6px; color:var(--text); opacity:.95}
input, select, textarea{
  width:100%;
  background: rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  outline:none;
}
input:focus, select:focus, textarea:focus{border-color: rgba(96,165,250,.7); box-shadow: 0 0 0 3px rgba(96,165,250,.15)}
textarea{min-height:120px; resize:vertical}

button, .btn{
  background: rgba(96,165,250,.18);
  border:1px solid rgba(96,165,250,.35);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  cursor:pointer;
  font-weight:700;
}
button:hover, .btn:hover{background: rgba(96,165,250,.26)}
.btn-secondary{background: rgba(255,255,255,.07); border-color: var(--border)}
.btn-success{background: rgba(52,211,153,.16); border-color: rgba(52,211,153,.35)}
.btn-danger{background: rgba(251,113,133,.14); border-color: rgba(251,113,133,.35)}
.small{font-size:12px;color:var(--muted)}
.muted{color:var(--muted)}

.grid-3{display:grid; grid-template-columns: 1fr 240px 240px; gap: 14px; align-items:end;}
.grid-2{display:grid; grid-template-columns: 1fr 1fr; gap: 14px;}
@media (max-width: 980px){ .grid-3{grid-template-columns:1fr} .grid-2{grid-template-columns:1fr} }

.table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius: var(--radius2)}
table{width:100%; border-collapse:collapse; min-width: 980px; background: rgba(0,0,0,.10)}
th,td{padding:12px; border-bottom:1px solid var(--border); vertical-align:top}
th{font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); background: rgba(255,255,255,.04)}
td{color:var(--text)}
.t-right{text-align:right}
.t-center{text-align:center}

.pill{display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid var(--border); background: rgba(255,255,255,.06); font-size:12px;color:var(--text)}
.pill.draft{border-color: rgba(96,165,250,.45)}
.pill.sent{border-color: rgba(251,191,36,.55)}
.pill.paid{border-color: rgba(52,211,153,.55)}

.invoice-head{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.invoice-brand{display:flex;flex-direction:column;gap:8px}
.invoice-meta{display:grid;gap:6px;min-width:280px}
.kv{display:flex;justify-content:space-between;gap:10px}
.kv span{color:var(--muted)}
.kv strong{font-variant-numeric: tabular-nums}

.totals{
  max-width: 380px; margin-left:auto;
  border:1px solid var(--border); border-radius: var(--radius2);
  padding: 12px; background: rgba(255,255,255,.04)
}
.totals .kv{padding:6px 0}
.totals .kv.total{border-top:1px solid var(--border); padding-top:10px; margin-top:6px}