:root {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Arial, sans-serif;
  color: #111827;
}

body {
  margin: 0;
  padding: 24px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  background: #f6f7f9;
}

html, body {
  width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}

.card {
  max-width: 680px;
  margin: 0 auto;
  background: #fff;
  padding: 20px;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(0,0,0,.08);
}

.header h1 { margin: 0 0 6px; font-size: 22px; }
.subtitle { margin: 0 0 14px; color: #4b5563; font-size: 13px; }

.grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.col-span-2 { grid-column: 1 / -1; }

.field { display: grid; gap: 6px; }
.field span { font-size: 13px; }
.hint { color: #6b7280; font-size: 12px; }

input, textarea, select, button {
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #d0d7de;
  background: #fff;
}

textarea { resize: vertical; }

button {
  cursor: pointer;
  border: 0;
  background: #111827;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
}

button:disabled { opacity: .6; cursor: not-allowed; }

button.secondary {
  background: #eef2ff;
  color: #111827;
  border: 1px solid #d0d7de;
}

button.ghost {
  background: transparent;
  color: #374151;
  border: 1px dashed #d0d7de;
}

.inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.spacer { flex: 1; }

.hidden { display: none !important; }

.section {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 12px;
  background: #fafafa;
}

.sectionHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.sectionHeader h2 {
  margin: 0;
  font-size: 16px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #374151;
}

.participantsList {
  display: grid;
  gap: 10px;
}

.participantRow {
  display: grid;
  grid-template-columns: 1fr 110px 40px;
  gap: 10px;
  align-items: center;
}

.participantRow .pctWrap {
  display: grid;
  gap: 4px;
}

.participantRow input[type="number"] {
  text-align: right;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  background: #fff;
  font-size: 12px;
  color: #374151;
}

.actionsRow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.note {
  margin: 10px 0 0;
  font-size: 12px;
  color: #6b7280;
}

.footer {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

#submitBtn {
  width: 100%;
}

.status { margin: 0; font-size: 13px; }
.status.ok { color: #0a7a2f; }
.status.err { color: #b4231a; }


/* Adaptaciones para pantallas grandes (desktop) */
@media (min-width: 769px) {
  .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .col-span-2 {
    grid-column: 1 / -1;
  }
}

select {
  max-width: 100%;
  min-width: 0;
}

/* Mejoras generales de legibilidad táctil */
input, select, textarea, button {
  font-size: 16px; /* evita zoom automático en iOS al enfocar */
}