:root {
  --bg: #fafbfd;
  --fg: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --card: #ffffff;
  --primary: #2949c7;
  --primary-glow: #38bdf8;
  --accent: #f1f5f9;
  --danger: #dc2626;
  --gradient: linear-gradient(135deg, #2949c7, #38bdf8);
  --shadow: 0 10px 30px -15px rgba(20, 30, 70, 0.15);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 12px; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

button { font: inherit; cursor: pointer; }
.btn-primary {
  background: var(--gradient); color: white; border: 0;
  padding: 8px 14px; border-radius: 8px; font-weight: 600;
}
.btn-primary:hover { opacity: 0.92; }
.btn-ghost {
  background: white; border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 8px; color: var(--fg); font-weight: 500;
}
.btn-ghost:hover { background: var(--accent); }
.btn-danger {
  background: white; border: 1px solid #fecaca; color: var(--danger);
  padding: 6px 10px; border-radius: 8px;
}
.btn-danger:hover { background: #fef2f2; }
.icon-btn { background: transparent; border: 0; color: var(--muted); padding: 4px; border-radius: 6px; }
.icon-btn:hover { background: var(--accent); color: var(--danger); }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); }
.stat-l { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); font-weight: 500; }
.stat-v { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }

.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-radius: 12px; margin-bottom: 20px; font-size: 13px;
}
.banner-ok { background: var(--card); border: 1px solid var(--border); }
.banner-warn { background: #fffbeb; border: 1px solid #fcd34d; }

.layout { display: grid; grid-template-columns: 280px 1fr; gap: 20px; align-items: start; }
@media (max-width: 800px) { .layout { grid-template-columns: 1fr; } }

.sidebar { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.search { padding: 10px; border-bottom: 1px solid var(--border); }
.search input { width: 100%; padding: 8px 12px; border: 0; background: var(--accent); border-radius: 8px; outline: none; font: inherit; }
.invoice-list { list-style: none; margin: 0; padding: 6px; max-height: 65vh; overflow: auto; }
.invoice-list li { }
.invoice-item {
  width: 100%; text-align: left; background: transparent; border: 0;
  padding: 10px 12px; border-radius: 8px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.invoice-item:hover { background: var(--accent); }
.invoice-item.active { background: var(--accent); }
.invoice-item .num { font-weight: 600; }
.invoice-item .client { font-size: 12px; color: var(--muted); display: block; }
.invoice-item .total { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.dot { display: inline-flex; align-items: center; gap: 4px; background: var(--accent); padding: 1px 6px; border-radius: 999px; font-size: 10px; margin-left: 6px; }
.dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.dot.draft::before { background: #94a3b8; }
.dot.sent::before { background: var(--primary-glow); }
.dot.paid::before { background: #22c55e; }

.editor { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); padding: 24px; }
.empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 300px; text-align: center; color: var(--muted); }

.editor-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; align-items: flex-end; }
.editor-top .fields { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.editor-top .actions { display: flex; gap: 8px; }

label { display: block; }
label > span, .lbl { font-size: 11px; color: var(--muted); font-weight: 500; }
input, select, textarea {
  margin-top: 4px; padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 8px; font: inherit; background: white; outline: none; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input[type="date"] { width: auto; }
.field-sm input { width: 110px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.grid2 .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; }
table th { background: var(--accent); text-align: left; font-size: 11px; text-transform: uppercase; color: var(--muted); padding: 8px 10px; font-weight: 600; }
table td { padding: 4px 6px; border-top: 1px solid var(--border); }
table input { border: 0; background: transparent; padding: 6px 8px; margin: 0; }
table input:focus { background: var(--accent); }
.line-table { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-top: 14px; }
.line-total { text-align: right; font-variant-numeric: tabular-nums; }
.add-line { margin-top: 10px; padding: 8px 12px; border: 1px dashed var(--border); background: white; border-radius: 8px; color: var(--muted); }
.add-line:hover { background: var(--accent); }

.totals { display: flex; justify-content: flex-end; margin-top: 20px; }
.totals-box { width: 260px; }
.totals-row { display: flex; justify-content: space-between; padding: 4px 0; color: var(--muted); }
.totals-row.total { font-weight: 700; color: var(--fg); font-size: 16px; border-top: 1px solid var(--border); padding-top: 10px; margin-top: 8px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; box-shadow: var(--shadow); }
h1 { font-size: 24px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 4px; }

.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 12px; }

.notes-label { display: block; margin-top: 20px; font-weight: 500; }

.company-logo-row{display:flex;gap:18px;align-items:center;margin:18px 0 4px;padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--accent)}
.logo-preview{width:92px;height:92px;border:1px dashed var(--border);border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;font-weight:700;overflow:hidden;flex:0 0 auto}
.logo-preview img{width:100%;height:100%;object-fit:contain;padding:8px}
.file-label input{display:block;margin-top:6px;padding:7px;background:white}
.btn-ghost.small{padding:6px 10px;margin-top:8px;font-size:12px}

@media (max-width: 700px){ .topbar{align-items:flex-start;flex-direction:column}.editor-top .actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.editor-top .actions button{width:100%}.line-table{overflow-x:auto}.company-logo-row{align-items:flex-start;flex-direction:column}.logo-preview{width:110px;height:110px} }