* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  color: #333;
}

/* ── Navigation ── */
nav {
  background: #222;
  color: #fff;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav .nav-brand { font-weight: bold; font-size: 1.1rem; text-decoration: none; color: #fff; }
nav .nav-links a, nav .nav-links button {
  color: #fff;
  text-decoration: none;
  margin-left: 16px;
  font-size: 0.9rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
nav .nav-links a:hover, nav .nav-links button:hover { text-decoration: underline; }

/* ── Container ── */
.container { max-width: 860px; margin: 40px auto; padding: 0 20px; }

/* ── Card ── */
.card {
  background: #fff;
  border-radius: 6px;
  padding: 28px;
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
  margin-bottom: 24px;
}

/* ── Typography ── */
h2 { margin-bottom: 20px; }

/* ── Forms ── */
label { display: block; margin-bottom: 4px; font-weight: bold; font-size: 0.9rem; }
input, textarea, select {
  width: 100%;
  padding: 9px 10px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #555;
}
textarea { resize: vertical; min-height: 80px; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 9px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  text-decoration: none;
  text-align: center;
}
.btn-primary  { background: #222; color: #fff; }
.btn-primary:hover  { background: #444; }
.btn-danger   { background: #c0392b; color: #fff; }
.btn-danger:hover   { background: #e74c3c; }
.btn-secondary { background: #888; color: #fff; }
.btn-secondary:hover { background: #aaa; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ── Alerts ── */
.alert {
  padding: 10px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error   { background: #fdecea; color: #c0392b; border: 1px solid #f5c6cb; }
.alert-success { background: #eafaf1; color: #1e8449; border: 1px solid #a9dfbf; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid #e5e5e5; font-size: 14px; }
th { background: #222; color: #fff; font-weight: bold; }
tr:hover td { background: #fafafa; }
.actions { display: flex; gap: 6px; }

/* ── Auth pages ── */
.auth-wrapper {
  max-width: 400px;
  margin: 80px auto;
  padding: 0 20px;
}
.auth-footer { margin-top: 16px; font-size: 14px; text-align: center; }