:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --primary: #1f6f50;
  --primary-dark: #16523a;
  --text: #1c1f22;
  --muted: #6b7280;
  --border: #e2e4e8;
  --danger: #b3261e;
  --ok: #1f6f50;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

.contenedor {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 96px;
}

.centrado {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.tarjeta {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

h1 { font-size: 1.3rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 24px 0 8px; }
p.subt { color: var(--muted); margin: 0 0 20px; font-size: 0.9rem; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  margin-top: 14px;
}

input, select {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

button {
  font-size: 1rem;
  font-weight: 600;
  padding: 13px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}

.btn-primario {
  background: var(--primary);
  color: #fff;
  width: 100%;
  margin-top: 20px;
}
.btn-primario:active { background: var(--primary-dark); }
.btn-primario:disabled { opacity: 0.6; }

.btn-secundario {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-chico {
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 8px;
}

.error {
  background: #fdecea;
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-top: 14px;
}

.ok {
  background: #e9f5ef;
  color: var(--ok);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-top: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar .nombre { font-size: 0.85rem; opacity: 0.9; }
.topbar button { background: rgba(255,255,255,0.15); color: #fff; }

.grupo-selects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 10px;
  font-size: 0.9rem;
}
th, td {
  padding: 9px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th { background: #f0f1f3; font-size: 0.78rem; text-transform: uppercase; color: var(--muted); }
td input { padding: 8px; font-size: 0.95rem; }
.col-num { width: 78px; }
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
}
.badge.sabor { background: #fff4e5; color: #92400e; }

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.tabs button {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}
.tabs button.activo {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.barra-acciones {
  position: sticky;
  bottom: 0;
  background: linear-gradient(to top, var(--bg) 70%, transparent);
  padding: 14px 0 6px;
}

textarea {
  width: 100%;
  min-height: 160px;
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.fila-usuario {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.fila-usuario .rol { color: var(--muted); font-size: 0.78rem; }