:root {
  --orange: #FF9000;
  --orange-dark: #E07E00;
  --gray: #777777;
  --dark: #121212;
  --dark-2: #1c1c1c;
  --card: #1e1e1e;
  --border: #2c2c2c;
  --text: #f2f2f2;
  --text-muted: #a3a3a3;
  --success: #3ecf6e;
  --danger: #ff5c5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--dark-2);
  padding: 12px 24px;
  border-bottom: 3px solid var(--orange);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar .brand img {
  height: 40px;
}

.topbar .brand-text .name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}
.topbar .brand-text .name .accent { color: var(--orange); }

.topbar .brand-text .subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar nav a {
  color: var(--text);
  margin-left: 20px;
  font-size: 14px;
  font-weight: 500;
}
.topbar nav a:hover { color: var(--orange); text-decoration: none; }

.topbar .user-info {
  font-size: 13px;
  color: var(--text-muted);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.center-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.auth-card .logo-wrap {
  text-align: center;
  margin-bottom: 20px;
}
.auth-card .logo-wrap img { height: 70px; }

.auth-card h1 {
  font-size: 20px;
  text-align: center;
  margin: 0 0 4px;
}
.auth-card p.sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 16px;
}

input[type=text], input[type=email], input[type=password], input[type=file], select {
  width: 100%;
  padding: 10px 12px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}
input:focus, select:focus { outline: none; border-color: var(--orange); }

button, .btn {
  display: inline-block;
  background: var(--orange);
  color: #111;
  border: none;
  padding: 11px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  margin-top: 20px;
}
button:hover, .btn:hover { background: var(--orange-dark); text-decoration: none; }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--orange); color: var(--orange); background: transparent; }

.btn-danger { background: var(--danger); color: #fff; }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}
.alert-error { background: rgba(255,92,92,0.12); border: 1px solid var(--danger); color: #ffb3b3; }
.alert-success { background: rgba(62,207,110,0.12); border: 1px solid var(--success); color: #a6f0c1; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.kpi-card .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.kpi-card .value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 6px;
  color: var(--orange);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}
.page-header h1 { margin: 0 0 4px; font-size: 22px; }
.page-header .meta { color: var(--text-muted); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 22px;
}

.toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  align-items: center;
}
.toolbar input[type=text], .toolbar select { max-width: 260px; }
.toolbar form { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
tr:hover td { background: rgba(255,144,0,0.05); }

.badge {
  display: inline-block;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 11.5px;
  margin: 2px 4px 2px 0;
  color: var(--text-muted);
}
.badge b { color: var(--text); }

.stock-low { color: var(--danger); font-weight: 700; }
.stock-zero { color: var(--gray); }

.pagination { display: flex; gap: 6px; margin-top: 18px; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.pagination a:hover { border-color: var(--orange); color: var(--orange); text-decoration: none; }
.pagination .current { background: var(--orange); color: #111; border-color: var(--orange); font-weight: 700; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

footer.app-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 20px;
}

.table-scroll { overflow-x: auto; }