:root { color-scheme: light dark; --fg: #1a1d21; --bg: #f6f7f9; --card: #fff; --line: #cfd4da; --accent: #1f5fbf; --bad: #b3261e; --ok: #1b6e3c; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8eaed; --bg: #14171a; --card: #1d2125; --line: #3a4048; --accent: #7aa7f0; --bad: #f2877f; --ok: #6fcf97; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 52rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
section, fieldset { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem; margin: 1rem 0; }
legend { padding: 0 .4rem; font-weight: 600; }
.field { margin: .6rem 0; }
label { display: block; font-weight: 600; margin-bottom: .2rem; }
input, select, textarea { width: 100%; padding: .5rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
input[type="checkbox"] { width: auto; }
textarea.json { font: .9rem/1.4 ui-monospace, monospace; }
button { padding: .55rem 1rem; border: 0; border-radius: 6px; background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; margin: .3rem .4rem .3rem 0; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger { background: var(--bad); }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.hint, .meta { color: #6b7380; font-size: .9rem; }
.clients, .users, .dates { list-style: none; padding: 0; }
.clients li, .users li, .dates li { padding: .5rem 0; border-bottom: 1px solid var(--line); }
.result.ok { color: var(--ok); }
.result.bad, .error { color: var(--bad); }
.error, .status { min-height: 1.5rem; margin-top: 1rem; }
.notice { border-left: 4px solid var(--bad); padding-left: .6rem; }