:root {
  color-scheme: light;
  --ink: #1d2521;
  --muted: #5d6a63;
  --line: #d9dfdb;
  --paper: #ffffff;
  --wash: #f5f7f5;
  --green: #17693f;
  --green-dark: #10512f;
  --warn-bg: #fff4d6;
  --warn-ink: #5c4300;
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { background: var(--wash); }
.button.primary { border-color: var(--green); background: var(--green); color: #fff; }
.button.primary:hover { background: var(--green-dark); }
.button.large { min-height: 48px; padding: 0 24px; font-size: 16px; }
:is(.button, input, a):focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.note { margin: 0; color: var(--muted); font-size: 14px; }

/* Home and error pages */
.home { max-width: 640px; margin: 0 auto; padding: 48px 16px; }
.brand { display: flex; align-items: center; gap: 10px; margin: 0 0 64px; font-weight: 700; }
.home h1 { margin: 0 0 16px; font-size: clamp(32px, 7vw, 48px); line-height: 1.1; letter-spacing: -0.02em; }
.lede { margin: 0 0 28px; color: var(--muted); font-size: 19px; }
.fineprint { margin-top: 48px; }
.recent { margin-top: 56px; }
.recent h2 { margin: 0 0 8px; font-size: 16px; }
.recent ul { margin: 0 0 12px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.recent li { border-bottom: 1px solid var(--line); }
.recent a { display: block; padding: 10px 0; color: var(--ink); overflow-wrap: anywhere; }

/* Sheet page */
.sheet-page { overflow: hidden; }
.app { display: flex; flex-direction: column; height: 100dvh; }
.bar { display: flex; flex: none; align-items: center; gap: 12px; min-height: 52px; padding: 8px 16px; border-bottom: 1px solid var(--line); }
.logo { display: flex; flex: none; }
.title { flex: 0 1 360px; min-width: 0; padding: 5px 8px; border: 1px solid transparent; border-radius: 6px; background: none; color: inherit; font: inherit; font-weight: 600; }
.title:not(.static):hover { border-color: var(--line); }
.title.static { flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status { flex: 1; min-width: 0; overflow: hidden; color: var(--muted); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.badge { flex: none; margin-right: auto; padding: 2px 8px; border-radius: 999px; background: var(--wash); color: var(--muted); font-size: 12px; font-weight: 600; }
.banner { display: flex; flex: none; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 8px 16px; background: var(--warn-bg); color: var(--warn-ink); font-size: 14px; }
.banner[hidden] { display: none; }
.banner-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.grid { position: relative; flex: 1; min-height: 0; }

/* Share dialog */
.share { width: min(520px, calc(100vw - 32px)); padding: 24px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); }
.share::backdrop { background: rgb(0 0 0 / 0.35); }
.share h2 { margin: 0 0 16px; font-size: 20px; }
.share label { display: block; margin-top: 16px; font-weight: 600; }
.copy-row { display: flex; gap: 8px; margin-top: 8px; }
.copy-row input { flex: 1; min-width: 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit; font-size: 14px; }
.share form { margin-top: 24px; text-align: right; }

@media (max-width: 560px) {
  .status { display: none; }
  .title { flex: 1; }
  .badge { margin-right: 0; }
}