:root {
  --bg: #f6f6f4;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --line: #deded8;
  --accent: #2f6f4f;
  --accent-text: #ffffff;
  --alert: #fff3d6;
  --alert-line: #e0b443;
  --danger: #a33a2f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161715;
    --card: #20211f;
    --text: #ececea;
    --muted: #a0a09a;
    --line: #34352f;
    --accent: #5fae84;
    --accent-text: #0e1a13;
    --alert: #3a3120;
    --alert-line: #b8902e;
    --danger: #e0786c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding-top: 16px; }
h1 { font-size: 1.3rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
#summary { margin: 0; color: var(--muted); flex: 1 1 auto; }

section, details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin: 14px 0;
}

summary { cursor: pointer; font-weight: 600; }
.alert { background: var(--alert); border-color: var(--alert-line); }

ul, ol { list-style: none; margin: 0; padding: 0; }
li { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 8px 0; border-top: 1px solid var(--line); }
li:first-child { border-top: 0; }
li .who { flex: 1 1 12rem; }
li .meta { display: block; color: var(--muted); font-size: 0.875rem; }
li.empty { color: var(--muted); }
.log li { display: block; font: 0.8125rem/1.4 ui-monospace, monospace; overflow-wrap: anywhere; }

button {
  font: inherit;
  min-height: 40px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }

form { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; margin-bottom: 8px; }
label { display: flex; flex-direction: column; font-size: 0.875rem; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 6px; min-height: 40px; }
input[type=number] { font: inherit; width: 5.5rem; min-height: 40px; padding: 4px 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }

.message { background: var(--card); border: 1px solid var(--accent); border-radius: 10px; padding: 12px 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.error { color: var(--danger); }
code { overflow-wrap: anywhere; }