:root { --ink: #1f2933; --muted: #5f6b7a; --line: #d9dee5; --accent: #1565c0; --warn: #b3261e; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: #fff; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.top h1 { font-size: 18px; margin: 0; }
.top h1 a { color: inherit; text-decoration: none; }
.who { display: flex; align-items: center; gap: 12px; }
.who a { color: var(--ink); }
main, .narrow { max-width: 640px; margin: 0 auto; padding: 16px; }
h2 { margin: 8px 0 0; }
h3 { margin: 24px 0 8px; font-size: 15px; }
.muted { color: var(--muted); margin: 4px 0; }
.warn { color: var(--warn); }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
ul { margin: 0; padding-left: 20px; }
button, .button { font: inherit; padding: 6px 14px; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: #fff; text-decoration: none; cursor: pointer; display: inline-block; }
#signout { background: #fff; color: var(--accent); }

/* Calendar page */
.cal-page { height: 100vh; height: 100dvh; display: flex; flex-direction: column; }
.layout { flex: 1; min-height: 0; display: grid; grid-template-columns: 220px 1fr; }
.side { border-right: 1px solid var(--line); padding: 12px 14px; overflow: auto; }
.side h2 { font-size: 13px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.cals { list-style: none; padding: 0; }
.cals li { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 4px 0; }
.cals label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.cals input[type=color] { width: 26px; height: 22px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: none; cursor: pointer; }
.hint { color: var(--muted); font-size: 12px; margin-top: 16px; }
.main { min-width: 0; min-height: 0; padding: 8px 12px 12px; }
#ec { height: 100%; }
.ec-event { cursor: pointer; }

dialog { border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; max-width: 420px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
dialog h2 { margin: 0 0 12px; font-size: 18px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0 0 16px; }
dt { color: var(--muted); }
dd { margin: 0; white-space: pre-wrap; }

@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); padding: 8px 12px; }
  .side h2, .hint { display: none; }
  .cals { display: flex; flex-wrap: wrap; gap: 4px 16px; }
  .main { padding: 6px; }
  .ec-toolbar { flex-wrap: wrap; gap: 6px; }
}