:root {
  --bg: #f6f7f9; --fg: #1d2330; --muted: #5b6475; --card: #fff; --line: #e2e5ea;
  --accent: #2ca01c; --accent-fg: #fff; --error: #b42318;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #12151b; --fg: #e8ebf0; --muted: #9aa3b2; --card: #1b2029; --line: #2b313c; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 40rem; margin: 0 auto; padding: 2rem 1rem; }
header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
h1 { font-size: 1.5rem; margin: 0; }
.brand { display: flex; align-items: center; gap: .6rem; }
h2 { font-size: 1.1rem; margin-top: 0; }
.badge { font-size: .8rem; padding: .2rem .6rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge[data-env="prod"] { border-color: var(--accent); color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .75rem; padding: 1.5rem; margin: 1.5rem 0; }
.greeting { font-size: 1.4rem; font-weight: 600; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.button, button { display: inline-block; padding: .6rem 1rem; border-radius: .5rem; border: 0; font: inherit; cursor: pointer; text-decoration: none; background: var(--accent); color: var(--accent-fg); }
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.error { color: var(--error); }
.muted { color: var(--muted); }
form { margin: 1rem 0; }
.field { display: flex; flex-direction: column; gap: .25rem; margin-bottom: .75rem; }
.range { display: flex; gap: 1rem; flex-wrap: wrap; }
label { font-size: .9rem; color: var(--muted); }
select, input[type="date"] { font: inherit; padding: .45rem .6rem; border-radius: .5rem; border: 1px solid var(--line); background: var(--card); color: var(--fg); max-width: 100%; }
button:disabled { opacity: .6; cursor: progress; }
progress { width: 100%; height: .6rem; margin-bottom: .75rem; accent-color: var(--accent); }
footer { display: flex; gap: 1rem; color: var(--muted); font-size: .9rem; }
footer a { color: inherit; }
[hidden] { display: none !important; }