:root {
  --bg: #f1f1f1;
  --panel: #ffffff;
  --border: #dadada;
  --text: #2b2b2b;
  --muted: #6c868e;
  --accent: #25b9d7;
  --accent-dark: #1c9bb5;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
}

.topbar {
  background: #2c3e50;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 17px; margin: 0; font-weight: 600; }
.topbar .nav { display: flex; align-items: center; gap: 16px; }
.topbar a { color: #b8c7d1; text-decoration: none; font-size: 13px; }
.topbar a:hover { color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.filters input, .filters select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 13px;
  background: #fff;
  color: var(--text);
}
.filters input[type="text"] { min-width: 220px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 3px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: var(--accent-dark); }
.btn-secondary { background: #eaeaea; color: var(--text); }
.btn-secondary:hover { background: #dcdcdc; }

table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:hover { background: #f8fcfd; cursor: pointer; }

.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.status-new { background: #5bc0de; }
.status-confirmed { background: #4a90d9; }
.status-packing { background: #e8a33d; }
.status-shipped { background: #8e6fce; }
.status-delivered { background: #52a852; }
.status-on_hold { background: #8c8c8c; }
.status-cancelled { background: #d9534f; }
.status-returned { background: #a94442; }

.stuck-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  background: #d9534f;
  color: #fff;
  vertical-align: middle;
}

.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 16px; }
.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
}
.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.stat-strip { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.stat-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 14px 20px;
  min-width: 140px;
}
.stat-box .num { font-size: 24px; font-weight: 700; }
.stat-box .label { font-size: 12px; color: var(--muted); text-transform: uppercase; }

.login-wrap { max-width: 360px; margin: 12vh auto; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 5px; }
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 14px;
}

.status-msg { margin-top: 12px; padding: 10px 12px; border-radius: 3px; font-size: 13px; display: none; }
.status-msg.show { display: block; }
.status-msg.ok { background: #eafaf0; color: #1e7e34; border: 1px solid #b7e3c6; }
.status-msg.err { background: #fbeaea; color: #b52d2d; border: 1px solid #f0bcbc; }

.order-detail-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.order-detail-meta .field label { margin: 0 0 4px; }
.order-detail-meta .field .value { font-size: 14px; font-weight: 600; }

.history-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.history-item:last-child { border-bottom: none; }
.history-item .time { color: var(--muted); min-width: 140px; }

.empty-state { text-align: center; color: var(--muted); padding: 40px 16px; }