:root {
  --bg: #1e1e1e;
  --bg-alt: #2a2a2a;
  --border: #3c3c3c;
  --text: #e8e8e8;
  --muted: #8a8a8a;
  --accent: #4a9eff;
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  height: 52px;
  gap: 16px;
}
.brand { font-weight: bold; font-size: 16px; }
.tabs { display: flex; flex: 1; gap: 4px; }
.tab {
  padding: 8px 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
}
.tab:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.tab.active {
  background: var(--accent);
  color: white;
  font-weight: bold;
}
.user { display: flex; align-items: center; gap: 12px; }
.user-name { color: var(--muted); }
.logout { color: var(--accent); text-decoration: none; font-size: 13px; }
.logout:hover { text-decoration: underline; }

.content { padding: 20px 24px; }
.content h1 { margin-top: 0; }

.muted { color: var(--muted); }
.error { color: var(--error); }
.warning { color: var(--warning); }
.success { color: var(--success); }

.statusbar {
  position: fixed;
  left: 0; bottom: 0; right: 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 6px 16px;
  font-size: 12px;
  color: var(--muted);
}

/* Forms */
form .row {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}
form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  font-size: 13px;
  color: var(--muted);
}
form label.wide { flex: 3; }
form label input {
  padding: 6px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-size: 14px;
}
form .actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
form.inline-form {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 16px;
}

button {
  padding: 7px 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
}
button:hover { opacity: 0.9; }
button.danger { background: var(--error); }
button[type="reset"] { background: var(--bg-alt); border: 1px solid var(--border); }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 13px;
}
.data-table th, .data-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.data-table th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--muted);
}
.data-table tr:hover { background: rgba(255,255,255,0.03); }
.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.status { font-family: monospace; font-size: 12px; }
.status-in_stock { color: var(--success); }
.status-sold { color: var(--muted); }
.status-cancelled { color: var(--warning); }

/* Login page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
.login-box {
  background: var(--bg-alt);
  padding: 32px;
  border-radius: 8px;
  width: 340px;
  border: 1px solid var(--border);
}
.login-box h1 { margin-top: 0; }
.login-box form { margin-top: 16px; }
.login-box label { margin-bottom: 12px; }
.login-box button { width: 100%; padding: 10px; font-size: 14px; }

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