:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --hover: rgba(42, 120, 214, 0.06);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --hover: rgba(57, 135, 229, 0.10);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --hover: rgba(57, 135, 229, 0.10);
}

* { box-sizing: border-box; }

body { margin: 0; background: var(--page); color: var(--text-primary); font-size: 15px; line-height: 1.45; }
h1 { font-size: 22px; margin: 0; font-weight: 600; }
h2 { font-size: 17px; margin: 0; font-weight: 600; }
p { margin: 4px 0 0; }
.muted { color: var(--text-secondary); font-size: 14px; }

.topbar {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  max-width: 1100px; margin: 0 auto; padding: 28px 24px 12px;
}
.user { display: flex; gap: 12px; align-items: center; }
button.link {
  background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary);
  padding: 4px 10px; font: inherit; font-size: 13px; cursor: pointer;
}
button.link:focus-visible, .app-tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

main { max-width: 1100px; margin: 0 auto; padding: 12px 24px 48px; }
.state { color: var(--text-secondary); padding: 32px 0; }

.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.app-tile {
  display: flex; flex-direction: column; gap: 4px; min-height: 140px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
  color: inherit; text-decoration: none; transition: background 120ms;
}
.app-tile:hover { background: var(--hover); }
.app-tile .open { margin-top: auto; padding-top: 12px; color: var(--accent); font-size: 14px; font-weight: 600; }

@media (max-width: 600px) {
  .topbar, main { padding-left: 16px; padding-right: 16px; }
}