/* Excel Print Fixer — page styles. System fonts only: the page loads nothing from the network. */

:root {
  color-scheme: light dark;
  --bg: #f4f6f5;
  --card: #ffffff;
  --ink: #14201c;
  --muted: #5c6b66;
  --line: #dde4e1;
  --accent: #0f7b5f;
  --accent-ink: #ffffff;
  --accent-soft: #e6f2ee;
  --err: #9b2226;
  --err-soft: #fbeaea;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 40, 33, .06), 0 8px 24px rgba(16, 40, 33, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1614;
    --card: #16211e;
    --ink: #e9f0ed;
    --muted: #a2b3ac;
    --line: #273632;
    --accent: #3fbe96;
    --accent-ink: #06231a;
    --accent-soft: #1b2f29;
    --err: #ff9d9d;
    --err-soft: #33201f;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

h1 {
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.badge {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
  padding: 3px 10px;
}

.sub {
  color: var(--muted);
  margin: 0 0 22px;
  max-width: 68ch;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin: 0 0 16px;
}

.card h2 {
  font-size: .95rem;
  font-weight: 650;
  letter-spacing: .01em;
  margin: 0 0 12px;
  color: var(--ink);
}

.hint {
  color: var(--muted);
  font-size: .87rem;
  margin: 8px 0 0;
}

.hint:empty { display: none; }

.drop {
  display: block;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 55%, transparent);
  border-radius: 12px;
  padding: 30px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.drop:hover,
.drop:focus-visible,
.drop.over {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.drop b {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.drop small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: .86rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.btn {
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 9px 16px;
  cursor: pointer;
  transition: filter .15s ease, background .15s ease;
}

.btn:hover { filter: brightness(1.06); }

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn.ghost {
  background: transparent;
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.btn.ghost:hover { background: var(--accent-soft); filter: none; }

.btn.sm { font-size: .84rem; padding: 6px 12px; }

.sheets {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.sheet {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  background: transparent;
}

.sheet.active {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.sheet input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  flex: 0 0 auto;
  cursor: pointer;
  margin: 0;
}

.sheet .name {
  font-size: .93rem;
  cursor: pointer;
  flex: 1 1 auto;
  border-radius: 6px;
  padding: 2px 4px;
  margin-left: -4px;
}

.sheet .name:hover { text-decoration: underline; }

.sheet .name:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.foot {
  color: var(--muted);
  font-size: .82rem;
  margin: 18px 0 0;
  text-align: center;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translate(-50%, 18px);
  max-width: min(560px, calc(100vw - 32px));
  background: #14201c;
  color: #f2f7f5;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: .9rem;
  line-height: 1.45;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 40;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.toast.err { background: var(--err); color: #fff; }

@media (prefers-color-scheme: dark) {
  .toast { background: #e9f0ed; color: #101915; }
  .toast.err { background: #7a2424; color: #ffe9e9; }
}

@media (max-width: 520px) {
  .wrap { padding: 20px 14px 44px; }
  .card { padding: 15px; }
  .drop { padding: 24px 14px; }
}