/* Minimal, clean layout */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #0f172a;
  background: radial-gradient(1200px 700px at 20% 0%, #e0f2fe 0%, transparent 50%),
              radial-gradient(900px 500px at 90% 10%, #e0e7ff 0%, transparent 55%),
              #f8fafc;
}
.container { max-width: 980px; margin: 0 auto; padding: 28px 16px 60px; }
.header {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px 18px;
}
.header img { width: 160px; height: auto; }
.header h1 { font-size: 18px; margin: 0; font-weight: 700; }
.header p { margin: 4px 0 0; color: #475569; font-size: 13px; }

.card {
  margin-top: 18px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 18px;
}
.grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .grid { grid-template-columns: 1fr 1fr; } }

label { font-size: 12px; color: #334155; display: block; margin-bottom: 6px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.18); }
textarea { min-height: 90px; resize: vertical; }

.row { display:flex; gap: 10px; }
.row > * { flex: 1; }

.summary {
  margin-top: 14px;
  padding: 14px;
  border: 1px dashed #94a3b8;
  border-radius: 14px;
  background: #f1f5f9;
}
.summary .line { display:flex; justify-content: space-between; gap: 12px; font-size: 14px; padding: 4px 0; }
.summary .total { font-weight: 800; font-size: 16px; padding-top: 8px; border-top: 1px solid #cbd5e1; margin-top: 6px; }
.hint { color: #475569; font-size: 12px; margin-top: 8px; line-height: 1.35; }

.actions { display:flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; align-items: center; }
.btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 14px;
  background: #1d4ed8;
  color: #fff;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.03); }
.btn:active { transform: translateY(1px); }
.link { color: #1d4ed8; text-decoration: none; font-weight: 600; font-size: 14px; }
.error {
  padding: 12px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: 12px;
  margin-top: 12px;
  font-size: 13px;
}
.ok {
  padding: 12px 14px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: 12px;
  margin-top: 12px;
  font-size: 13px;
}