:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #18202a;
  --muted: #637083;
  --line: #d9dee7;
  --accent: #126b68;
  --danger: #9f2d2d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; }
nav { display: flex; gap: 14px; align-items: center; }
nav a { color: var(--text); text-decoration: none; }
nav form { margin: 0; }
.page { max-width: 1180px; margin: 24px auto; padding: 0 16px; }

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  border-radius: 6px;
  padding: 9px 12px;
  cursor: pointer;
}
button:disabled { opacity: .5; cursor: not-allowed; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
}

.toolbar {
  display: grid;
  grid-template-columns: 2fr auto auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}
.toolbar form { display: flex; gap: 8px; }

.table-wrap {
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; }
td span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.inline-form { display: grid; grid-template-columns: minmax(160px, 1fr) auto; gap: 8px; }

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.login-panel {
  width: min(420px, calc(100vw - 32px));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}
.login-panel form, .settings form {
  display: grid;
  gap: 14px;
}
label { display: grid; gap: 6px; color: var(--muted); }

@media (max-width: 760px) {
  .topbar, nav { align-items: flex-start; flex-direction: column; }
  .toolbar { grid-template-columns: 1fr; }
  .toolbar form, .inline-form { grid-template-columns: 1fr; }
}