:root {
      --muted: rgba(255,255,255,0.62);
      --shadow: 0 12px 40px rgba(0,0,0,0.45);
      --radius: 18px;
    }

.simplegrid{
  display:flex;
  align-items: stretch;
  justify-content: space-between;
  flex-wrap: wrap;
}

/* full-width button inside the flex grid */
.simplegrid .btn-fullrow{
  flex: 0 0 100%;   /* take the whole row */
  width: 100%;
    border: 1px;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    margin: 1cm 0;   /* 1cm before + 1cm after */
}


    .icard {
      border: 1px solid var(--border);
      background: linear-gradient(180deg, var(--card), rgba(255,255,255,0.03));
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(8px);
      overflow: hidden;
      display: grid;
    }

    .icardHeader {
      padding: 14px 14px 10px 14px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      background: linear-gradient(180deg, rgba(255,255,255,0.06), transparent);
    }

    .icardTitle {
      margin: 0;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.2px;
    }

    .icardHint {
      margin: 4px 0 0 0;
      font-size: 12px;
      color: var(--muted);
      line-height: 1.35;
    }