* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin: 0; background: #0f0f0f; color: #f5f5f5; font: 15px/1.45 ui-sans-serif, system-ui, -apple-system, sans-serif; }
a { color: inherit; text-decoration: none; }
.app { min-height: 100vh; display: grid; grid-template-columns: 236px 1fr; }
.side { border-right: 1px solid #2a2a2a; background: #171717; padding: 20px 16px; display: flex; flex-direction: column; gap: 22px; }
.brand { font-weight: 800; font-size: 18px; }
nav { display: flex; flex-direction: column; gap: 4px; }
nav a { padding: 10px 12px; border-radius: 8px; color: #c9c9c9; }
nav a:hover { background: #242424; color: #fff; }
.userline { margin-top: auto; color: #999; font-size: 13px; }
.main { max-width: 1180px; width: 100%; padding: 24px; }
h1, h2 { margin: 0 0 16px; font-size: 24px; line-height: 1.2; }
h3 { margin: 0 0 12px; font-size: 17px; }
.toolbar, .nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.card, .panel { background: #1d1d1d; border: 1px solid #303030; border-radius: 8px; padding: 14px; margin-bottom: 12px; }
.btn, button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 14px; border-radius: 8px; border: 1px solid #3a3a3a; background: #242424; color: #f5f5f5; font-weight: 650; cursor: pointer; }
.btn:hover, button:hover { background: #2d2d2d; }
.btn.primary, button.primary, .btn.in { background: #0f766e; border-color: #0f766e; color: #fff; }
.btn.danger, button.danger, .btn.out { background: #991b1b; border-color: #991b1b; color: #fff; }
.btn.transfer { background: #3f3f46; border-color: #52525b; }
.btn.inventory { background: #854d0e; border-color: #854d0e; }
.btn.big { min-height: 48px; font-size: 16px; }
input, select { width: 100%; min-height: 42px; padding: 10px 11px; border: 1px solid #3a3a3a; border-radius: 8px; background: #121212; color: #f5f5f5; font: inherit; margin-bottom: 10px; }
input:focus, select:focus { outline: 2px solid #0f766e; outline-offset: 0; }
label { display: block; margin: 0 0 5px; color: #d4d4d4; font-weight: 650; font-size: 13px; }
table { width: 100%; border-collapse: collapse; background: #1d1d1d; border: 1px solid #303030; border-radius: 8px; overflow: hidden; }
th, td { padding: 10px; border-bottom: 1px solid #303030; text-align: left; vertical-align: top; font-size: 14px; }
th { color: #cfcfcf; background: #242424; font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.muted { color: #9b9b9b; }
.ok { color: #34d399; } .err { color: #f87171; }
.qty { font-weight: 800; }
.row-name { font-weight: 750; }
.row-sub { color: #aaa; font-size: 13px; margin: 4px 0 8px; }
.wh { display: inline-block; border: 1px solid #333; border-radius: 6px; padding: 2px 6px; margin: 2px 4px 2px 0; color: #ddd; font-size: 12px; }
.ops { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.ops .btn, .ops button { min-height: 34px; padding: 7px 10px; font-size: 13px; }
.result { padding: 28px 0; }
.result .icon { display: none; }
.line-grid { display: grid; grid-template-columns: 1.6fr 1fr .6fr .6fr; gap: 8px; align-items: end; }
.status { font-weight: 750; }
.status.reserved, .status.new { color: #fbbf24; }
.status.shipped, .status.done { color: #34d399; }
.status.cancelled { color: #a1a1aa; }
@media (max-width: 760px) {
  .app { display: block; }
  .side { position: static; border-right: 0; border-bottom: 1px solid #2a2a2a; padding: 12px; }
  nav { flex-direction: row; overflow-x: auto; padding-bottom: 2px; }
  nav a { white-space: nowrap; }
  .userline { margin-top: 0; }
  .main { padding: 14px; }
  .grid, .line-grid { grid-template-columns: 1fr; }
  .btn, button { width: 100%; }
}