/* Shared styles for all pages: colours, fonts and the top navigation bar. */
:root {
  --bg: #f6f6f7;
  --card: #ffffff;
  --text: #202223;
  --muted: #6d7175;
  --line: #e1e3e5;
  --green: #008060;
  --green-dark: #006e52;
  --green-soft: #e3f1ec;
  --amber: #b98900;
  --red: #d72c0d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--green); }

/* ---- top navigation ---- */
.nav {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; gap: 28px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--text); text-decoration: none; margin-right: auto;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--green);
  color: #fff; display: grid; place-items: center; font-size: 14px; font-weight: 800;
}
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  text-decoration: none; color: var(--muted); padding: 7px 14px; border-radius: 8px; font-weight: 500;
}
.nav-links a:hover { background: var(--bg); color: var(--text); }
.nav-links a.active { background: var(--green-soft); color: var(--green-dark); }

@media (max-width: 600px) {
  .nav-inner { padding: 0 16px; gap: 10px; }
  .brand-text { display: none; }
  .nav-links a { padding: 7px 10px; }
}

/* owner login link in the top bar (added by nav.js) */
.nav-links a.nav-login { color: var(--green-dark); border: 1px solid var(--line); }
.nav-links { overflow-x: auto; scrollbar-width: none; }
@media (max-width: 600px) {
  .nav-links a { padding: 6px 8px; font-size: 14px; white-space: nowrap; }
}
@media (max-width: 600px) { .hide-sm { display: none; } }

/* Version 3: the client store you're working on (added by nav.js) */
.nav-links a.nav-store { background: #fff5d6; color: #6b5000; white-space: nowrap; }