* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0f1117;
  color: #e6e8ec;
}
.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: #161922;
  border-bottom: 1px solid #262a36;
}
.brand { font-weight: 700; font-size: 1.1rem; }
.brand span { color: #7c9cff; font-weight: 400; }
.links a {
  color: #c6c9d2;
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.92rem;
}
.links a:hover { color: #ffffff; }
.btn-nav {
  background: #7c9cff;
  color: #0f1117 !important;
  padding: 6px 12px;
  border-radius: 6px;
  font-weight: 600;
}
.container { max-width: 1080px; margin: 0 auto; padding: 28px; }
h1 { margin-bottom: 4px; }
h2 { margin-top: 36px; font-size: 1.15rem; color: #c6c9d2; }
.meta { color: #8a8f9c; margin-top: 0; }

.cards { display: flex; gap: 16px; margin: 20px 0 8px; flex-wrap: wrap; }
.card {
  background: #161922;
  border: 1px solid #262a36;
  border-radius: 10px;
  padding: 16px 20px;
  min-width: 160px;
  flex: 1;
}
.card-label { font-size: 0.8rem; color: #8a8f9c; margin-bottom: 6px; }
.card-value { font-size: 1.5rem; font-weight: 700; }
.card-value.pos { color: #4ade80; }
.card-value.neg { color: #f87171; }

.table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 0.92rem; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #262a36; }
.table th { color: #8a8f9c; font-weight: 600; font-size: 0.82rem; text-transform: uppercase; }
.table a { color: #7c9cff; text-decoration: none; }
.table tr.zero-stock { opacity: 0.55; }
.pos { color: #4ade80; }
.neg { color: #f87171; }

.btn {
  display: inline-block;
  background: #7c9cff;
  color: #0f1117;
  padding: 9px 16px;
  border-radius: 7px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
}
.btn:hover { background: #93aeff; }
.link-btn {
  background: none;
  border: none;
  color: #f87171;
  cursor: pointer;
  padding: 0;
  font-size: 0.88rem;
  text-decoration: underline;
}

.form fieldset {
  border: 1px solid #262a36;
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
}
.form legend { padding: 0 8px; color: #8a8f9c; font-size: 0.85rem; text-transform: uppercase; }
.form label, .inline-form label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: #c6c9d2;
}
.inline-form label { display: inline-block; margin-right: 14px; }
input, select, textarea {
  display: block;
  margin-top: 4px;
  width: 100%;
  padding: 8px 10px;
  background: #0f1117;
  border: 1px solid #333846;
  border-radius: 6px;
  color: #e6e8ec;
  font-size: 0.9rem;
}
.inline-form input { width: auto; display: inline-block; }
textarea { min-height: 60px; }

.flash {
  padding: 10px 16px;
  border-radius: 7px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.flash-success { background: #16321f; color: #4ade80; border: 1px solid #22452c; }
.flash-error { background: #3a1a1a; color: #f87171; border: 1px solid #4d2323; }